THN 20 Series Application Note DC/DC Converter 9 to 18Vdc and 18 to 36Vdc and 36 to 75Vdc input, 20 Watt Output Power; 3.3 to 15Vdc Single Output and ±12Vdc to ±15Vdc Dual Output Features Pending Applications Wireless Network Telecom/Datacom Industry Control System Measurement Semiconductor Equipment 20 watts maximum output power Ultra low quiescent current Single output current up to 4.5A Dual output current up to ±0.
Application Note 20W Single & Dual Output Absolute Maximum Rating Parameter Model Input Voltage Continuous Transient (1 sec max.) Operating Ambient Temperature (with derating)* Operating Case Temperature Storage Temperature Min THN 20-12xx THN 20-24xx THN 20-48xx THN 20-12xx THN 20-24xx THN 20-48xx All -40 All -55 Max Unit 18 36 75 25 50 100 +101 +105 +125 Vdc °C °C °C * Test condition with vertical direction by natural convection (20LFM).
Application Note 20W Single & Dual Output Output Specification (continue) Parameter Output Over Voltage Protection (Voltage Clamped) Output Over Current Protection Output Short Circuit Protection Model THN 20-xx10 THN 20-xx11 THN 20-xx12 THN 20-xx13 THN 20-xx22 THN 20-xx23 All All Min 3.7 5.6 13.5 16.8 ±13.5 ±16.8 Typ Max 5.4 7.0 19.6 20.5 ±19.6 ±20.5 Unit Vdc 150 % FL.
Application Note 20W Single & Dual Output Input Specification (continue) Parameter Remote ON/OFF Control (See Page 48) (The ON/OFF pin voltage is referenced to -Vin) Negative Logic DC-DC ON (Short) DC-DC OFF(Open) Positive Logic DC-DC ON (Open) DC-DC OFF(Short) Remote Off Input Current Input Current of Remote Control Pin Model All All All Min Typ 0 3 3 0 Max 1.2 15 15 1.2 2.0 -0.5 1.
Application Note 20W Single & Dual Output Environmental Specifications Thermal shock Vibration Relative humidity MIL-STD-810F MIL-STD-810F 5% to 95% RH EMC Characteristics EMI (See Page 43 - 45) EN55022 ESD EN61000-4-2 Radiated immunity Fast transient (Burst)* Surge* Conducted immunity EN61000-4-3 EN61000-4-4 EN61000-4-5 EN61000-4-6 Class B Air ±8KV Contact ±6KV 10 V/m ±2KV ±2KV 10 Vr.m.
Application Note 20W Single & Dual Output Characteristic Curves All test conditions are at 25°C. The figures are identical for THN 20-1210 Efficiency versus Output Current Power Dissipation versus Output Current Efficiency versus Input Voltage. Full Load Derating Output Current versus Ambient Temperature with Airflow Vin = Vin nom Derating Output Current Versus Ambient Temperature with Heat Sink and Airflow, Vin = Vin nom Created by Traco Electronic AG Arp. www.tracopower.
Application Note 20W Single & Dual Output Characteristic Curves (Continued) All test conditions are at 25°C. The figures are identical for THD 20-1210 Transient Response to Dynamic Load Change from 100% to 75% to 100% of Full Load; Vin = Vin nom Typical Output Ripple and Noise.
Application Note 20W Single & Dual Output Characteristic Curves (Continued) All test conditions are at 25°C. The figures are identical for THN 20-1211 Efficiency versus Output Current Power Dissipation versus Output Current Efficiency versus Input Voltage. Full Load Derating Output Current versus Ambient Temperature with Airflow Vin = Vin nom Derating Output Current Versus Ambient Temperature with Heat Sink and Airflow, Vin = Vin nom Created by Traco Electronic AG Arp. www.tracopower.
Application Note 20W Single & Dual Output Characteristic Curves (Continued) All test conditions are at 25°C. The figures are identical for THN 20-1211 Transient Response to Dynamic Load Change from 100% to 75% to 100% of Full Load; Vin = Vin nom Typical Output Ripple and Noise.
Application Note 20W Single & Dual Output Characteristic Curves (Continued) All test conditions are at 25°C. The figures are identical for THN 20-1212 Efficiency versus Output Current Power Dissipation versus Output Current Efficiency versus Input Voltage. Full Load Derating Output Current versus Ambient Temperature with Airflow Vin = Vin nom Derating Output Current Versus Ambient Temperature with Heat Sink and Airflow, Vin = Vin nom Created by Traco Electronic AG Arp. www.tracopower.
Application Note 20W Single & Dual Output Characteristic Curves (Continued) All test conditions are at 25°C. The figures are identical for THN 20-1212 Transient Response to Dynamic Load Change from 100% to 75% to 100% of Full Load; Vin = Vin nom Typical Output Ripple and Noise.
Application Note 20W Single & Dual Output Characteristic Curves (Continued) All test conditions are at 25°C. The figures are identical for THN 20-1213 Efficiency versus Output Current Power Dissipation versus Output Current Efficiency versus Input Voltage. Full Load Derating Output Current versus Ambient Temperature with Airflow Vin = Vin nom Derating Output Current Versus Ambient Temperature with Heat Sink and Airflow, Vin = Vin nom Created by Traco Electronic AG Arp. www.tracopower.
Application Note 20W Single & Dual Output Characteristic Curves (Continued) All test conditions are at 25°C. The figures are identical for THN 20-1213 Transient Response to Dynamic Load Change from 100% to 75% to 100% of Full Load; Vin = Vin nom Typical Output Ripple and Noise.
Application Note 20W Single & Dual Output Characteristic Curves All test conditions are at 25°C. The figures are identical for THN 20-1222 Efficiency versus Output Current Power Dissipation versus Output Current Efficiency versus Input Voltage. Full Load Derating Output Current versus Ambient Temperature with Airflow Vin = Vin nom Derating Output Current Versus Ambient Temperature with Heat Sink and Airflow, Vin = Vin nom Created by Traco Electronic AG Arp. www.tracopower.
Application Note 20W Single & Dual Output Characteristic Curves (Continued) All test conditions are at 25°C. The figures are identical for THN 20-1222 Transient Response to Dynamic Load Change from 100% to 75% to 100% of Full Load; Vin = Vin nom Typical Output Ripple and Noise.
Application Note 20W Single & Dual Output Characteristic Curves (Continued) All test conditions are at 25°C. The figures are identical for THN 20-1223 Efficiency versus Output Current Power Dissipation versus Output Current Efficiency versus Input Voltage. Full Load Derating Output Current versus Ambient Temperature with Airflow Vin = Vin nom Derating Output Current Versus Ambient Temperature with Heat Sink and Airflow, Vin = Vin nom Created by Traco Electronic AG Arp. www.tracopower.
Application Note 20W Single & Dual Output Characteristic Curves (Continued) All test conditions are at 25°C. The figures are identical for THN 20-1223 Transient Response to Dynamic Load Change from 100% to 75% to 100% of Full Load; Vin = Vin nom Typical Output Ripple and Noise.
Application Note 20W Single & Dual Output Characteristic Curves (Continued) All test conditions are at 25°C. The figures are identical for THN 20-2410 Efficiency versus Output Current Power Dissipation versus Output Current Efficiency versus Input Voltage. Full Load Derating Output Current versus Ambient Temperature with Airflow Vin = Vin nom Derating Output Current Versus Ambient Temperature with Heat Sink and Airflow, Vin = Vin nom Created by Traco Electronic AG Arp. www.tracopower.
Application Note 20W Single & Dual Output Characteristic Curves (Continued) All test conditions are at 25°C. The figures are identical for THN 20-2410 Transient Response to Dynamic Load Change from 100% to 75% to 100% of Full Load; Vin = Vin nom Typical Output Ripple and Noise.
Application Note 20W Single & Dual Output Characteristic Curves (Continued) All test conditions are at 25°C. The figures are identical for THN 20-2411 Efficiency versus Output Current Power Dissipation versus Output Current Efficiency versus Input Voltage. Full Load Derating Output Current versus Ambient Temperature with Airflow Vin = Vin nom Derating Output Current Versus Ambient Temperature with Heat Sink and Airflow, Vin = Vin nom Created by Traco Electronic AG Arp. www.tracopower.
Application Note 20W Single & Dual Output Characteristic Curves (Continued) All test conditions are at 25°C. The figures are identical for THN 20-2411 Transient Response to Dynamic Load Change from 100% to 75% to 100% of Full Load; Vin = Vin nom Typical Output Ripple and Noise.
Application Note 20W Single & Dual Output Characteristic Curves (Continued) All test conditions are at 25°C. The figures are identical for THN 20-2412 Efficiency versus Output Current Power Dissipation versus Output Current Efficiency versus Input Voltage. Full Load Derating Output Current versus Ambient Temperature with Airflow Vin = Vin nom Derating Output Current Versus Ambient Temperature with Heat Sink and Airflow, Vin = Vin nom Created by Traco Electronic AG Arp. www.tracopower.
Application Note 20W Single & Dual Output Characteristic Curves (Continued) All test conditions are at 25°C. The figures are identical for THN 20-2412 Transient Response to Dynamic Load Change from 100% to 75% to 100% of Full Load; Vin = Vin nom Typical Output Ripple and Noise.
Application Note 20W Single & Dual Output Characteristic Curves (Continued) All test conditions are at 25°C. The figures are identical for THN 20-2413 Efficiency versus Output Current Power Dissipation versus Output Current Efficiency versus Input Voltage. Full Load Derating Output Current versus Ambient Temperature with Airflow Vin = Vin nom Derating Output Current Versus Ambient Temperature with Heat Sink and Airflow, Vin = Vin nom Created by Traco Electronic AG Arp. www.tracopower.
Application Note 20W Single & Dual Output Characteristic Curves (Continued) All test conditions are at 25°C. The figures are identical for THN 20-2413 Transient Response to Dynamic Load Change from 100% to 75% to 100% of Full Load; Vin = Vin nom Typical Output Ripple and Noise.
Application Note 20W Single & Dual Output Characteristic Curves (Continued) All test conditions are at 25°C. The figures are identical for THN 20-2422 Efficiency versus Output Current Power Dissipation versus Output Current Efficiency versus Input Voltage. Full Load Derating Output Current versus Ambient Temperature with Airflow Vin = Vin nom Derating Output Current Versus Ambient Temperature with Heat Sink and Airflow, Vin = Vin nom Created by Traco Electronic AG Arp. www.tracopower.
Application Note 20W Single & Dual Output Characteristic Curves (Continued) All test conditions are at 25°C. The figures are identical for THN 20-2422 Transient Response to Dynamic Load Change from 100% to 75% to 100% of Full Load; Vin = Vin nom Typical Output Ripple and Noise.
Application Note 20W Single & Dual Output Characteristic Curves (Continued) All test conditions are at 25°C. The figures are identical for THN 20-2423 Efficiency versus Output Current Power Dissipation versus Output Current Efficiency versus Input Voltage. Full Load Derating Output Current versus Ambient Temperature with Airflow Vin = Vin nom Derating Output Current Versus Ambient Temperature with Heat Sink and Airflow, Vin = Vin nom Created by Traco Electronic AG Arp. www.tracopower.
Application Note 20W Single & Dual Output Characteristic Curves (Continued) All test conditions are at 25°C. The figures are identical for THN 20-2423 Transient Response to Dynamic Load Change from 100% to 75% to 100% of Full Load; Vin = Vin nom Typical Output Ripple and Noise.
Application Note 20W Single & Dual Output Characteristic Curves (Continued) All test conditions are at 25°C. The figures are identical for THN 20-4810 Efficiency versus Output Current Power Dissipation versus Output Current Efficiency versus Input Voltage. Full Load Derating Output Current versus Ambient Temperature with Airflow Vin = Vin nom Derating Output Current Versus Ambient Temperature with Heat Sink and Airflow, Vin = Vin nom Created by Traco Electronic AG Arp. www.tracopower.
Application Note 20W Single & Dual Output Characteristic Curves (Continued) All test conditions are at 25°C. The figures are identical for THN 20-4810 Transient Response to Dynamic Load Change from 100% to 75% to 100% of Full Load; Vin = Vin nom Typical Output Ripple and Noise.
Application Note 20W Single & Dual Output Characteristic Curves (Continued) All test conditions are at 25°C. The figures are identical for THN 20-4811 Efficiency versus Output Current Power Dissipation versus Output Current Efficiency versus Input Voltage. Full Load Derating Output Current versus Ambient Temperature with Airflow Vin = Vin nom Derating Output Current Versus Ambient Temperature with Heat Sink and Airflow, Vin = Vin nom Created by Traco Electronic AG Arp. www.tracopower.
Application Note 20W Single & Dual Output Characteristic Curves (Continued) All test conditions are at 25°C. The figures are identical for THN 20-4811 Transient Response to Dynamic Load Change from 100% to 75% to 100% of Full Load; Vin = Vin nom Typical Output Ripple and Noise.
Application Note 20W Single & Dual Output Characteristic Curves (Continued) All test conditions are at 25°C. The figures are identical for THN 20-4812 Efficiency versus Output Current Power Dissipation versus Output Current Efficiency versus Input Voltage. Full Load Derating Output Current versus Ambient Temperature with Airflow Vin = Vin nom Derating Output Current Versus Ambient Temperature with Heat Sink and Airflow, Vin = Vin nom Created by Traco Electronic AG Arp. www.tracopower.
Application Note 20W Single & Dual Output Characteristic Curves (Continued) All test conditions are at 25°C. The figures are identical for THN 20-4812 Transient Response to Dynamic Load Change from 100% to 75% to 100% of Full Load; Vin = Vin nom Typical Output Ripple and Noise.
Application Note 20W Single & Dual Output Characteristic Curves (Continued) All test conditions are at 25°C. The figures are identical for THN 20-4813 Efficiency versus Output Current Power Dissipation versus Output Current Efficiency versus Input Voltage. Full Load Derating Output Current versus Ambient Temperature with Airflow Vin = Vin nom Derating Output Current Versus Ambient Temperature with Heat Sink and Airflow, Vin = Vin nom Created by Traco Electronic AG Arp. www.tracopower.
Application Note 20W Single & Dual Output Characteristic Curves (Continued) All test conditions are at 25°C. The figures are identical for THN 20-4813 Transient Response to Dynamic Load Change from 100% to 75% to 100% of Full Load; Vin = Vin nom Typical Output Ripple and Noise.
Application Note 20W Single & Dual Output Characteristic Curves (Continued) All test conditions are at 25°C. The figures are identical for THN 20-4822 Efficiency versus Output Current Power Dissipation versus Output Current Efficiency versus Input Voltage. Full Load Derating Output Current versus Ambient Temperature with Airflow Vin = Vin nom Derating Output Current Versus Ambient Temperature with Heat Sink and Airflow, Vin = Vin nom Created by Traco Electronic AG Arp. www.tracopower.
Application Note 20W Single & Dual Output Characteristic Curves (Continued) All test conditions are at 25°C. The figures are identical for THN 20-4822 Transient Response to Dynamic Load Change from 100% to 75% to 100% of Full Load; Vin = Vin nom Typical Output Ripple and Noise.
Application Note 20W Single & Dual Output Characteristic Curves (Continued) All test conditions are at 25°C. The figures are identical for THN 20-4823 Efficiency versus Output Current Power Dissipation versus Output Current Efficiency versus Input Voltage. Full Load Derating Output Current versus Ambient Temperature with Airflow Vin = Vin nom Derating Output Current Versus Ambient Temperature with Heat Sink and Airflow, Vin = Vin nom Created by Traco Electronic AG Arp. www.tracopower.
Application Note 20W Single & Dual Output Characteristic Curves (Continued) All test conditions are at 25°C. The figures are identical for THN 20-4823 Transient Response to Dynamic Load Change from 100% to 75% to 100% of Full Load; Vin = Vin nom Typical Output Ripple and Noise.
Application Note 20W Single & Dual Output Testing Configurations Input reflected-ripple current measurement test up CURRENT PROBE MEASURE POINT +Vin L + BATTERY + C2 C1 -Vin Component L C1 C2 Value 12μH 10μF 10μF Voltage ---100V 100V Reference ---Aluminum Electrolytic Capacitor Aluminum Electrolytic Capacitor Peak-to-peak output ripple & noise measurement test up Output voltage and efficiency measurement test up Note: All measurements are taken at the module terminals.
Application Note 20W Single & Dual Output EMI considerations Suggested schematic to comply with EN55022 Class B limits Recommended layout To comply with EN55022 CLASS B following components are recommended: THN 20-121x Component C1 C2, C3 C4, C5 L1 Value 4.7μF ---470pF 325μH Voltage 25V ---2KV ---- Reference 1812 MLCC ---1808 MLCC Common Choke, P/N: TCK-050 THN 20-241x Component C1 C2, C3 C4, C5 L1 Value 4.
Application Note 20W Single & Dual Output EMI Considerations Suggested schematic to comply with EN55022 Class B limits Recommended layout To comply with EN55022 CLASS B following components are recommended: THN 20-122x Component C1 C2, C3 C4, C5 L1 Value 4.7μF ---470pF 325μH Voltage 25V ---2KV ---- Reference 1812 MLCC ---1808 MLCC Common Choke, P/N: TCK-050 THN 20-242x Component C1 C2, C3 C4, C5 L1 Value 4.
Application Note 20W Single & Dual Output EMI considerations (Continued) This Common Choke L1 has been define as follow： ■ TCK-050 L: 325mH ±35% / DCR: 35Ω, max A: (Height): 8.8 mm, Max ■ Test condition: 100KHz / 100mV ■ Recommended through hole: Φ0.8mm ■ All dimensions in millimeters Input Source Impedance The power module should be connected to a low impedance input source. Highly inductive source impedance can affect the stability of the power module.
Application Note 20W Single & Dual Output Output Voltage Adjustment Output voltage set point adjustment allows the user to increase or decrease the output voltage set point of a module. This is accomplished by connecting an external resistor between the TRIM pin and either the +Vout or -Vout pins. With an external resistor between the TRIM and -Vout pin, the output voltage set point increases. With an external resistor between the TRIM and +Vout pin, the output voltage set point decreases.
Application Note 20W Single & Dual Output Short Circuitry Protection Continuous, hiccup and auto-recovery mode. During short circuit, converter still shut down. The average current during this condition will be very low and the device can be safety in this condition. Thermal Consideration The power module operates in a variety of thermal environments. However, sufficient cooling should be provided to help ensure reliable operation of the unit.
Application Note 20W Single & Dual Output Remote ON/OFF Control The Remote ON/OFF Pin is controlled DC/DC power module to turn on and off; the user must use a switch to control the logic voltage high or low level of the pin referenced to -Vin. The switch can be open collector transistor, FET and Photo-Couple. The switch must be capable of sinking up to 1 mA at low-level logic Voltage. High-level logic of the ON/OFF signal maximum voltage is allowable leakage current of the switch at 15V is 50μA.
Application Note 20W Single & Dual Output Mechanical Data PIN CONNECTION PIN THN 20 SERIES 1 2 3 4 5 6 + INPUT - INPUT ON/OFF +VOUT TRIM -VOUT 1. All dimensions in inches(mm) Tolerance: x.xx ±0.02 (x.x ±0.5) x.xxx ±0.01 (x.xx ±0.25) 2. Pin pitch tolerance: ±0.01 (±0.25) 3. Pin dimension tolerance: ±0.004 (±0.1) EXTERNAL OUTPUT TRIMMING Output can be externally trimmed by using the method shown below.
Application Note 20W Single & Dual Output Recommended Pad Layout Soldering Considerations Lead free wave solder profile for THN 20 – SERIES Zone Reference Parameter. Preheat zone Rise temperature speed: Preheat temperature: Peak temperature: Peak time (T1+T2 time): Actual heating Reference Solder: Sn-Ag-Cu: Hand Welding: Soldering iron: Welding Time: Temperature: Created by Traco Electronic AG Arp. 3°C/sec max. 100~130°C 250~260°C 4~6 sec Sn-Cu Power 90W 2～4 sec 380～400°C www.tracopower.
Application Note 20W Single & Dual Output Packaging Information 300 26.5 19 6 All dimensions in millimeters 10 PCS per TUBE Part Number Structure THN 10: 3.
Application Note 20W Single & Dual Output Safety and Installation Instruction Fusing Consideration Caution: This power module is not internally fused. An input line fuse must always be used. This encapsulated power module can be used in a wide variety of applications, ranging from simple stand-alone operation to an integrated part of sophisticated power architecture.
