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Data Sheet

Mar. 2013 Rev. 1. 4 BCD Semiconductor Manufacturing Limited

HIGH SPEED, EXTREMELY LOW NOISE LDO REGULATOR AP2120

General Description

The AP2120 series are positive voltage regulator ICs

fabricated by CMOS process. Each of these ICs con-

sists of a voltage reference, an error amplifier, a resis-

tor network for setting output voltage, a current limit

circuit for current protection.

The AP2120 series feature high supply voltage ripple

rejection, low dropout voltage, low noise, high output

voltage accuracy, and low current consumption which

make them ideal for use in various battery-powered

devices.

The AP2120 series have 1.2V, 1.3V, 1.5V, 1.8V, 2.5V,

2.8V, 3.0V, 3.2V, 3.3V, 3.6V, 4.0V and 5.0V versions.

The AP2120 are available in standard SOT-23, SOT-89

and TO-92 packages.

Features

· Low Dropout Voltage at I

OUT

=100mA: 200mV

Typical (Except 1.2V, 1.3V and 1.5V Versions)

· Low Quiescent Current: 25μA Typical

· High Ripple Rejection: 65dB Typical （f=1kHz）

· Output Current: More Than 150mA (250mA

Limit)

· Extremely Low Noise: 15μVrms@V

OUT

=1.2V,

1.3V, 1.5V (10Hz to 100kHz)

· Excellent Line Regulation: 4mV Typical

· Excellent Load Regulation: 12mV Typical

· High Output Voltage Accuracy: ±2%

· Excellent Line Transient Response and Load

Transient Response

· Compatible with Low ESR Ceramic Capacitor (as

Low as 1μF)

Applications

· Mobile Phones, Cordless Phones

· Wireless Communication Equipment

· Portable Games

· Cameras, Video Recorders

· Sub-board Power Supplies for Telecom Equip-

ment

· Battery Powered Equipment

Figure 1. Package Types of AP2120

SOT-23

TO-92 (Bulk Packing)

TO-92 (Ammo Packing)

SOT-89

Summary of content (27 pages)

PAGE 1
Data Sheet HIGH SPEED, EXTREMELY LOW NOISE LDO REGULATOR General Description Features The AP2120 series are positive voltage regulator ICs fabricated by CMOS process. Each of these ICs consists of a voltage reference, an error amplifier, a resistor network for setting output voltage, a current limit circuit for current protection.
PAGE 2
Data Sheet HIGH SPEED, EXTREMELY LOW NOISE LDO REGULATOR AP2120 Pin Configuration N/NA Package R Package (SOT-89) (SOT-23) N NA VIN GND 3 3 2 1 2 1 GND VOUT VIN VOUT Z Package (TO-92 (Bulk Packing)) 1 2 3 GND VIN VOUT Z Package (TO-92 (Ammo Packing)) 3 VOUT 3 VOUT 2 VIN 2 VIN 1 GND 1 GND Figure 2.
PAGE 3
Data Sheet HIGH SPEED, EXTREMELY LOW NOISE LDO REGULATOR AP2120 Functional Block Diagram VIN 2(2){3} 3(1){2} VOUT VREF CURRENT LIMIT 1(3){1} GND A(B){C} A for SOT-23 (N) B for SOT-23 (NA) C for SOT-89/TO-92 Figure 3. Functional Block Diagram of AP2120 Mar. 2013 Rev. 1.
PAGE 4
Data Sheet HIGH SPEED, EXTREMELY LOW NOISE LDO REGULATOR AP2120 Ordering Information AP2120 G1: Green Circuit Type TR: Tape and Reel or Ammo Blank: Bulk 1.2: 1.3: 1.5: 1.8: 2.5: 2.8: 3.0: 3.2: 3.3: 3.6: 4.0: 5.0: Package N/NA: SOT-23 R: SOT-89 Z: TO-92 Package SOT-23 Temperature Range -40 to 85oC Output Voltage SOT-89 -40 to 85oC -40 to 85oC Marking ID Packing Type 1.2V(N) AP2120N-1.2TRG1 GR4 Tape & Reel 1.3V(N) AP2120N-1.3TRG1 GR5 Tape & Reel 1.5V(N) AP2120N-1.
PAGE 5
Data Sheet HIGH SPEED, EXTREMELY LOW NOISE LDO REGULATOR AP2120 Ordering Information (Continued) Package SOT-89 TO-92 Temperature Range -40 to 85oC -40 to 85oC Output Voltage Part Number Marking ID Packing Type 2.5V AP2120R-2.5TRG1 G28Q Tape & Reel 2.8V AP2120R-2.8TRG1 G31Q Tape & Reel 3.0V AP2120R-3.0TRG1 G33Q Tape & Reel 3.2V AP2120R-3.2TRG1 G37Q Tape & Reel 3.3V AP2120R-3.3TRG1 G41Q Tape & Reel 3.6V AP2120R-3.6TRG1 G42Q Tape & Reel 4.0V AP2120R-4.
PAGE 6
Data Sheet HIGH SPEED, EXTREMELY LOW NOISE LDO REGULATOR AP2120 Absolute Maximum Ratings (Note 1) Parameter Symbol Value Unit Input Voltage VIN 6.5 V Enable Input Voltage VCE -0.3 to VIN+0.
PAGE 7
Data Sheet HIGH SPEED, EXTREMELY LOW NOISE LDO REGULATOR AP2120 Electrical Characteristics AP2120-1.2 Electrical Characteristics (VIN=2.2V, TJ=25oC, CIN=1μF, COUT=1μF, Bold typeface applies over -40oC≤TJ≤85oC, unless otherwise specified.) Parameter Output Voltage Symbol VOUT Input Voltage VIN Output Current IOUT Conditions VIN=2.2V 1mA≤IOUT≤30mA VIN-VOUT=1V Min Typ Max Unit 1.176 1.2 1.224 V 6 V 150 mA Load Regulation VRLOAD VIN=2.
PAGE 8
Data Sheet HIGH SPEED, EXTREMELY LOW NOISE LDO REGULATOR AP2120 Electrical Characteristics (Continued) AP2120-1.3 Electrical Characteristics (VIN=2.3V, TJ=25oC, CIN=1μF, COUT=1μF, Bold typeface applies over -40oC≤TJ≤85oC, unless otherwise specified.) Parameter Output Voltage Symbol VOUT Input Voltage VIN Output Current IOUT Conditions VIN=2.3V 1mA≤IOUT≤30mA VIN-VOUT=1V Min Typ Max Unit 1.274 1.3 1.326 V 6 V 150 mA Load Regulation VRLOAD VIN=2.
PAGE 9
Data Sheet HIGH SPEED, EXTREMELY LOW NOISE LDO REGULATOR AP2120 Electrical Characteristics (Continued) AP2120-1.5 Electrical Characteristics (VIN=2.5V, TJ=25oC, CIN=1μF, COUT=1μF, Bold typeface applies over -40oC≤TJ≤85oC, unless otherwise specified.) Parameter Output Voltage Symbol VOUT Input Voltage VIN Output Current IOUT Conditions VIN=2.5V 1mA≤IOUT≤30mA VIN-VOUT=1V Min Typ Max Unit 1.47 1.5 1.53 V 6 V 150 mA Load Regulation VRLOAD VIN=2.
PAGE 10
Data Sheet HIGH SPEED, EXTREMELY LOW NOISE LDO REGULATOR AP2120 Electrical Characteristics (Continued) AP2120-1.8 Electrical Characteristics (VIN=2.8V, TJ=25oC, CIN=1μF, COUT=1μF, Bold typeface applies over -40oC≤TJ≤85oC, unless otherwise specified.) Parameter Output Voltage Symbol VOUT Input Voltage VIN Output Current IOUT Conditions VIN=2.8V 1mA≤IOUT≤30mA VIN-VOUT=1V Min Typ Max Unit 1.764 1.8 1.836 V 6 V 150 mA Load Regulation VRLOAD VIN=2.
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Data Sheet HIGH SPEED, EXTREMELY LOW NOISE LDO REGULATOR AP2120 Electrical Characteristics (Continued) AP2120-2.5 Electrical Characteristics (VIN=3.5V, TJ=25oC, CIN=1μF, COUT=1μF, Bold typeface applies over -40oC≤TJ≤85oC, unless otherwise specified.) Parameter Output Voltage Symbol VOUT Input Voltage VIN Output Current IOUT Conditions VIN=3.5V 1mA≤IOUT≤30mA VIN-VOUT=1V Min Typ Max Unit 2.45 2.5 2.55 V 6 V 150 mA Load Regulation VRLOAD VIN=3.
PAGE 12
Data Sheet HIGH SPEED, EXTREMELY LOW NOISE LDO REGULATOR AP2120 Electrical Characteristics (Continued) AP2120-2.8 Electrical Characteristics (VIN=3.8V, TJ=25oC, CIN=1μF, COUT=1μF, Bold typeface applies over -40oC≤TJ≤85oC, unless otherwise specified.) Parameter Output Voltage Symbol VOUT Input Voltage VIN Output Current IOUT Conditions VIN=3.8V 1mA≤IOUT≤30mA VIN-VOUT=1V Min Typ Max Unit 2.744 2.8 2.856 V 6 V 150 mA Load Regulation VRLOAD VIN=3.
PAGE 13
Data Sheet HIGH SPEED, EXTREMELY LOW NOISE LDO REGULATOR AP2120 Electrical Characteristics (Continued) AP2120-3.0 Electrical Characteristics (VIN=4V, TJ=25oC, CIN=1μF, COUT=1μF, Bold typeface applies over -40oC≤TJ≤85oC, unless otherwise specified.) Parameter Output Voltage Symbol VOUT Input Voltage VIN Output Current IOUT Conditions VIN=4V 1mA≤IOUT≤30mA VIN-VOUT=1V Min Typ Max Unit 2.94 3.0 3.
PAGE 14
Data Sheet HIGH SPEED, EXTREMELY LOW NOISE LDO REGULATOR AP2120 Electrical Characteristics (Continued) AP2120-3.2 Electrical Characteristics (VIN=4.2V, TJ=25oC, CIN=1μF, COUT=1μF, Bold typeface applies over -40oC≤TJ≤85oC, unless otherwise specified.) Parameter Output Voltage Symbol VOUT Input Voltage VIN Output Current IOUT Conditions VIN=4.2V 1mA≤IOUT≤30mA VIN-VOUT=1V Min Typ Max Unit 3.136 3.2 3.264 V 6 V 150 mA Load Regulation VRLOAD VIN=4.
PAGE 15
Data Sheet HIGH SPEED, EXTREMELY LOW NOISE LDO REGULATOR AP2120 Electrical Characteristics (Continued) AP2120-3.3 Electrical Characteristics (VIN=4.3V, TJ=25oC, CIN=1μF, COUT=1μF, Bold typeface applies over -40oC≤TJ≤85oC, unless otherwise specified.) Parameter Output Voltage Symbol VOUT Input Voltage VIN Output Current IOUT Conditions VIN=4.3V 1mA≤IOUT≤30mA VIN-VOUT=1V Min Typ Max Unit 3.234 3.3 3.366 V 6 V 150 mA Load Regulation VRLOAD VIN=4.
PAGE 16
Data Sheet HIGH SPEED, EXTREMELY LOW NOISE LDO REGULATOR AP2120 Electrical Characteristics (Continued) AP2120-3.6 Electrical Characteristics (VIN=4.6V, TJ=25oC, CIN=1μF, COUT=1μF, Bold typeface applies over -40oC≤TJ≤85oC, unless otherwise specified.) Parameter Output Voltage Symbol VOUT Input Voltage VIN Output Current IOUT Conditions VIN=4.6V 1mA≤IOUT≤30mA VIN-VOUT=1V Min Typ Max Unit 3.528 3.6 3.672 V 6 V 150 mA Load Regulation VRLOAD VIN=4.
PAGE 17
Data Sheet HIGH SPEED, EXTREMELY LOW NOISE LDO REGULATOR AP2120 Electrical Characteristics (Continued) AP2120-4.0 Electrical Characteristics (VIN=5.0V, TJ=25oC, CIN=1μF, COUT=1μF, Bold typeface applies over -40oC≤TJ≤85oC, unless otherwise specified.) Parameter Output Voltage Symbol VOUT Input Voltage VIN Output Current IOUT Conditions VIN=5.0V 1mA≤IOUT≤30mA VIN-VOUT=1V Min Typ Max Unit 3.92 4.0 4.08 V 6 V 150 mA Load Regulation VRLOAD VIN=5.
PAGE 18
Data Sheet HIGH SPEED, EXTREMELY LOW NOISE LDO REGULATOR AP2120 Electrical Characteristics (Continued) AP2120-5.0 Electrical Characteristics (VIN=6.0V, TJ=25oC, CIN=1μF, COUT=1μF, Bold typeface applies over -40oC≤TJ≤85oC, unless otherwise specified.) Parameter Output Voltage Symbol VOUT Input Voltage VIN Output Current IOUT Conditions VIN=6.0V 1mA≤IOUT≤30mA VIN-VOUT=1V Min Typ Max Unit 4.9 5.0 5.1 V 6 V 150 mA Load Regulation VRLOAD VIN=4.
PAGE 19
Data Sheet HIGH SPEED, EXTREMELY LOW NOISE LDO REGULATOR AP2120 Typical Performance Characteristics 2.535 2.5 2.530 2.525 Output Voltage (V) Output Voltage (V) 2.0 1.5 AP2120-2.5 o TC=-40 C 1.0 TC=25 C o TC=85 C 0.0 0.00 0.10 0.15 0.20 0.25 2.510 AP2120-2.5 IOUT=10mA 2.505 IOUT=50mA IOUT=100mA IOUT=150mA VIN=3.5V 2.495 VIN=3.5V 0.05 2.515 2.500 o 0.5 2.520 2.490 -40 0.30 -20 0 20 40 60 80 100 120 o Output Current (A) Case Temperature ( C) Figure 4. Output Voltage vs.
PAGE 20
Data Sheet HIGH SPEED, EXTREMELY LOW NOISE LDO REGULATOR AP2120 50 400 45 350 40 300 Dropout Voltage (V) Quiescent Current (μA) Typical Performance Characteristics (Continued) 35 30 25 20 AP2120-2.5 VIN=3.5V 15 IOUT=0 10 -40 -20 0 20 40 60 80 100 AP2120-2.5 o TC=-40 C o TC=25 C o TC=85 C 250 200 150 100 50 0 0.00 120 o Case Temperature ( C) 0.02 0.04 0.06 0.08 0.10 0.12 0.14 0.16 Output Current (A) Figure 9. Dropout Voltage vs. Output Current Figure 8.
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Data Sheet HIGH SPEED, EXTREMELY LOW NOISE LDO REGULATOR AP2120 Typical Performance Characteristics (Continued) VIN (1V/Div) AP2120-2.5 2 IOUT=10mA 1 AP2120-2.5 0 VOUT (50mV/Div) IOUT=150mA 50 0 -50 Figure 12. Line Transient (Condition:VIN=2.5V to 3.5,IOUT=10mA) Figure 13. PSRR vs. Frequency 3.5 VIN (0.5V/Div) AP2120-2.5 2.5 3.0 2.0 2.5 2.0 1.5 Output Voltage 1.0 1.5 0.5 1.0 0 0.5 VOUT(0.5V/Div) Input Voltage 3.0 0 Figure 14.
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Data Sheet HIGH SPEED, EXTREMELY LOW NOISE LDO REGULATOR AP2120 Typical Application AP2120-2.5 VIN=3.5V VIN VIN VOUT=2.5V VOUT VOUT GND COUT 1μF CIN 1μF Note: Filter capacitors are required at the AP2120's input and output. 1μF capacitor is required at the input. The minimum output capacitance required for stability should be more than 1μF with ESR from 0.01Ω to 100Ω. Ceramic capacitors are recommended. Figure 15. Typical Application of AP2120 Mar. 2013 Rev. 1.
PAGE 23
Data Sheet HIGH SPEED, EXTREMELY LOW NOISE LDO REGULATOR AP2120 Mechanical Dimensions SOT-23 3.0 ° 7.0° R0.100(0.004) 0.900(0.035) 1.100(0.043) 0.0°~10.0° 0.010(0.0004) 0.100(0.004) 0.200(0.008)MIN 2.800(0.110) 3.000(0.118) 0.550(0.022)REF 7.0° 0.080(0.003) 0.180(0.007) 1.200(0.047) 1.400(0.055) 2.300(0.091) 2.500(0.098) 0.890(0.035) 1.030(0.041) 0.100(0.004) GAUGE PLANE 4×R0.100(0.004) 0.500(0.020) 0.700(0.028) 2.0° 1.050(0.041)REF Unit: mm(inch) 0.300(0.012) 0.510(0.020) 1.900(0.
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Data Sheet HIGH SPEED, EXTREMELY LOW NOISE LDO REGULATOR AP2120 Mechanical Dimensions (Continued) Unit: mm(inch) SOT-89 1.550(0.061)REF 4.400(0.173) 4.600(0.181) 1.400(0.055) 1.600(0.063) 1.030(0.041)REF 45 2.300(0.091) 2.600(0.102) 3.950(0.156) 4.250(0.167) 2.060(0.081)REF 3 0.900(0.035) 1.100(0.043) 0.320(0.013) 0.520(0.020) 0.480(0.019) 0.320(0.013) 0.520(0.020) 10 0.350(0.014) 0.450(0.018) 3.000(0.118) TYP 1.500(0.059) 1.800(0.071) 0.320(0.013)REF 3 2.210(0.087)REF 1.620(0.
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Data Sheet HIGH SPEED, EXTREMELY LOW NOISE LDO REGULATOR AP2120 Mechanical Dimensions (Continued) TO-92 (Bulk Packing) Unit: mm(inch) 1.000(0. 039) 3.430(0.135) MIN 3.700(0.146) 3.300(0.130) 1.400(0.055) 0.320(0. 013) 0.510(0. 020) 0. 000(0. 000) 0. 380(0. 015) Φ1. 600(0. 063) MAX 4.700(0.185) 1.270(0. 050) TYP 15.500(0.610) 0.360(0. 014) 0.760(0. 030) 12.500(0.492) 4.300(0.169) 4.400(0.173) 4.800(0.189) 2.420(0. 095) 2.660(0.105) BCD Semiconductor Manufacturing Limited Mar. 2013 Rev. 1.
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Data Sheet HIGH SPEED, EXTREMELY LOW NOISE LDO REGULATOR AP2120 Mechanical Dimensions (Continued) TO-92 (Ammo Packing) Unit: mm(inch) 1. 100(0. 043) 3. 430(0. 135) MIN 1.270(0.050) Typ 2.500(0.098) 4.000 (0.157 ) 0.000(0.000) 0.380(0.015) Φ1.600(0. 063) MAX 14.500(0.571) 12.500(0.492) 0. 320(0. 013) 0. 510(0.020) 3.800(0.150) 3.300(0.130) 1. 400(0.055) 4.700(0.185) 4.300(0.169) 4.400(0.173) 4.800 (0.189 ) 13.000(0. 512) 15.000 (0.591 ) 0.380(0.015) 0.550(0.022 ) 2.540(0.100) Typ Mar.
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