Datasheet

ManualsBrandsTEXAS INSTRUMENTS ManualsPMICsDCP010507DBPE4

SBVS012E − DECEMBER 2000 − REVISED DECEMBER 2007



  

!"# 

FEATURES

D Up To 85% Efficiency

D Thermal Protection

D Device-to-Device Synchronization

D Short-Circuit Protection

D EN55022 Class B EMC Performance

D UL1950 Recognized Component

D JEDEC DIP-14 and SOP-14 Packages

APPLICATIONS

D Point-of-Use Power Conversion

D Ground Loop Elimination

D Data Acquisition

D Industrial Control and Instrumentation

D Test Equipment

DESCRIPTION

The DCP01B series is a family of 1W, unregulated,

isolated DC/DC converters. Requiring a minimum of

external components and including on-chip device

protection, the DCP01B series provides extra features

such as output disable and synchronization of switching

frequencies.

The use of a highly-integrated package design results in

highly reliable products with a power density of 40W/in

(2.4W/cm

). This combination of features and small sizes

makes the DCP01B suitable for a wide range of

applications.

BIAS

Power

Stage

OUT

Reset

800kHz

Oscillator

Watch−dog/

start−up

PSU

Thermal

Shutdown

SYNC

OUT

SYNC

Power Controller IC

www.ti.com

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments

semiconductor products and disclaimers thereto appears at the end of this data sheet.

All trademarks are the property of their respective owners.

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Summary of content (22 pages)

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!" # SBVS012E − DECEMBER 2000 − REVISED DECEMBER 2007 FEATURES D Up To 85% Efficiency D Thermal Protection D Device-to-Device Synchronization D Short-Circuit Protection D EN55022 Class B EMC Performance D UL1950 Recognized Component D JEDEC DIP-14 and SOP-14 Packages DESCRIPTION The DCP01B series is a family of 1W, unregulated, isolated DC/DC converters.
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!" # www.ti.com SBVS012E − DECEMBER 2000 − REVISED DECEMBER 2007 This integrated circuit can be damaged by ESD. Texas Instruments recommends that all integrated circuits be handled with appropriate precautions. Failure to observe proper handling and installation procedures can cause damage. ESD damage can range from subtle performance degradation to complete device failure.
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!" # www.ti.com SBVS012E − DECEMBER 2000 − REVISED DECEMBER 2007 ELECTRICAL CHARACTERISTICS At TA = +25°C, VS = nominal, CIN = 2.2µF, and COUT = 0.1µF, unless otherwise noted. DCP01B SERIES PARAMETER TEST CONDITIONS MIN TYP MAX UNITS Output Power 100% full load Ripple O/P capacitor = 1µF, 50% load Voltage vs temperature 0.97 W 20 Room to cold 0.046 mVPP %/°C Room to hot 0.
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!" # www.ti.com SBVS012E − DECEMBER 2000 − REVISED DECEMBER 2007 PIN ASSIGNMENTS (Single Voltage Version) PIN ASSIGNMENTS (Dual Voltage Version) NVA and DUA PACKAGES (TOP VIEW) VS 1 0V 2 NVA and DUA PACKAGES (TOP VIEW) 14 SYNCIN VS 1 0V 2 14 SYNCIN DCP01B DCP01DB 0V 5 0V 5 +VOUT 6 +VOUT 6 NC 7 −VOUT 7 8 SYNCOUT Terminal Functions (Single Voltage) SYNCOUT Terminal Functions (Dual Voltage) TERMINAL NAME 8 TERMINAL NO. I/O NO.
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!" # www.ti.com SBVS012E − DECEMBER 2000 − REVISED DECEMBER 2007 TYPICAL CHARACTERISTICS At TA = 25°C, unless otherwise noted. DCP010505B OUTPUT RIPPLE vs LOAD (20MHz BW) DCP010505B VOUT vs VS 5.5 50 1µF Ceramic 4.7µF Ceramic 10µF Ceramic 45 40 5.4 5.3 5.2 5.1 30 VOUT (V) Ripple (mVPP) 35 25 20 5.0 4.9 4.8 15 4.7 10 4.6 5 4.5 4.4 0 10 20 30 40 50 60 70 80 90 4.5 100 4.6 4.7 4.8 4.9 5.0 5.1 5.2 5.3 5.4 5.
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!" # www.ti.com SBVS012E − DECEMBER 2000 − REVISED DECEMBER 2007 TYPICAL CHARACTERISTICS (continued) At TA = 25°C, unless otherwise noted. DCP010507DB VOUT vs LOAD DCP010507DB EFFICIENCY vs LOAD 7.6 85 +VOUT 7.4 −VOUT 80 75 Efficiency (%) VOUT (V) 7.2 7.0 6.8 6.6 70 65 60 6.4 55 6.2 50 6.0 10 20 30 40 50 60 70 80 90 10 100 20 30 40 Load (%) DCP010512B VOUT vs LOAD 60 70 80 90 100 90 100 90 100 DCP010512B EFFICIENCY vs LOAD 14.5 90 14.
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!" # www.ti.com SBVS012E − DECEMBER 2000 − REVISED DECEMBER 2007 TYPICAL CHARACTERISTICS (continued) At TA = 25°C, unless otherwise noted. DCP010515B VOUT vs LOAD DCP010515B EFFICIENCY vs LOAD 18.0 85 17.5 80 75 Efficiency (%) VOUT (V) 17.0 16.5 16.0 15.5 70 65 60 15.0 55 14.5 50 14.
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!" # www.ti.com SBVS012E − DECEMBER 2000 − REVISED DECEMBER 2007 TYPICAL CHARACTERISTICS (continued) At TA = 25°C, unless otherwise noted. DCP010505B CONDUCTED EMISSIONS (8% Load) 60 60 50 50 Emission Level, Peak (dBµA) Emission Level, Peak (dBµA) DCP010505B CONDUCTED EMISSIONS (125% Load) 40 30 20 10 0 −10 −20 0.15 1 10 40 30 20 10 0 −10 −20 0.15 30 1 Frequency (MHz) 30 DCP011512DBP EFFICIENCY vs LOAD DCP011512DBP VOUT vs LOAD 13.50 80 +VOUT −VOUT 13.
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!" # www.ti.com SBVS012E − DECEMBER 2000 − REVISED DECEMBER 2007 TYPICAL CHARACTERISTICS (continued) At TA = 25°C, unless otherwise noted. DCP012415DBP EFFICIENCY vs LOAD DCP012415DBP VOUT vs LOAD 90 16.50 80 16.00 15.50 VOUT (V) Efficiency (%) 70 +VOUT −VOUT 60 50 15.00 14.50 40 14.00 30 20 13.
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!" # www.ti.com SBVS012E − DECEMBER 2000 − REVISED DECEMBER 2007 FUNCTIONAL DESCRIPTION OVERVIEW The DCP01B offers up to 1W of unregulated output power with a typical efficiency of up to 85%. This is achieved through highly integrated packaging technology and the implementation of a custom power stage and control IC. The circuit design uses an advanced BiCMOS/DMOS process. For additional information, refer to the application notes located in the DCP01B product folder at www.ti.com.
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!" # www.ti.com SBVS012E − DECEMBER 2000 − REVISED DECEMBER 2007 Connecting the DCP01B in Series The outputs on dual output DCP01B versions can also be connected in series to provide two times the magnitude of VOUT, as shown in Figure 2. For example, a dual 15V DCP01B could be connected to provide a 30V rail. Multiple DCP01B isolated 1W DC/DC converters can be connected in series to provide nonstandard voltage rails.
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!" # www.ti.com SBVS012E − DECEMBER 2000 − REVISED DECEMBER 2007 APPLICATION INFORMATION The DCP01B, DCV01, and DCP02 are three families of miniature DC/DC converters providing an isolated unregulated voltage output. All are fabricated using a CMOS/DMOS process with the DCP01B replacing the familiar DCP01 family that was fabricated from a bipolar process.
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!" # www.ti.com SBVS012E − DECEMBER 2000 − REVISED DECEMBER 2007 Decoupling Ceramic Capacitors Input Capacitor and the effects of ESR All capacitors have losses due to their internal equivalent series resistance (ESR), and to a lesser degree their equivalent series inductance (ESL). Values for ESL are not always easy to obtain. However, some manufacturers provide graphs of Frequency versus Capacitor Impedance.
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!" # www.ti.com SBVS012E − DECEMBER 2000 − REVISED DECEMBER 2007 DUAL OUTPUT VOLTAGE DCP AND DCVs The voltage output for the dual DCPs is half wave rectified; therefore, the discharge time is 1.25µs. Repeating the above calculations using the 100% load resistance of 25Ω (0.2A per output), the results are shown below: τ = 25µs tDIS = 1.25µs.
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!" # www.ti.com SBVS012E − DECEMBER 2000 − REVISED DECEMBER 2007 Figure 5. Example of PCB Layout, Component-Side View Figure 6.
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!" # www.ti.
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PACKAGE OPTION ADDENDUM www.ti.
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PACKAGE OPTION ADDENDUM www.ti.
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PACKAGE OPTION ADDENDUM www.ti.com 16-Apr-2009 to Customer on an annual basis.
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IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, modifications, enhancements, improvements, and other changes to its products and services at any time and to discontinue any product or service without notice. Customers should obtain the latest relevant information before placing orders and should verify that such information is current and complete.