ap2121ak-3.3tre1 BCD Semiconductor Manufacturing Limited, ap2121ak-3.3tre1 Datasheet

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ap2121ak-3.3tre1

Manufacturer Part Number
ap2121ak-3.3tre1
Description
High Speed, Extremely Low Noise Ldo Regulator
Manufacturer
BCD Semiconductor Manufacturing Limited
Datasheet

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AP2121AK-3.3TRE1
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General Description
The AP2121 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 and a chip-enable circuit
(5-pin products only).
The AP2121 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 AP2121 series have 1.2V, 1.3V, 1.5V, 1.8V, 2.5V,
2.8V, 3.0V, 3.2V and 3.3V versions.
The AP2121 are available in standard SOT-23-3 and
SOT-23-5 packages.
May 2008 Rev. 2. 0
HIGH SPEED, EXTREMELY LOW NOISE LDO REGULATOR
SOT-23-3
Figure 1. Package Types of AP2121
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Features
Applications
Low Dropout Voltage at I
Typical (Except 1.2V, 1.3V and 1.5V Versions)
Low Standby Current: 0.1µA Typical
Low Quiescent Current: 25µA Typical
High Ripple Rejection: 70dB Typical (f=1kHz)
Output Current: More Than 200mA
Limit)
Extremely Low Noise: 30µVrms (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)
Mobile Phones, Cordless Phones
Wireless Communication Equipment
Portable Games
Cameras, Video Recorders
Sub-board Power Supplies for Telecom Equip-
ment
Battery Powered Equipment
BCD Semiconductor Manufacturing Limited
SOT-23-5
OUT
=100mA: 150mV
Data Sheet
AP2121
(300mA

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ap2121ak-3.3tre1 Summary of contents

Page 1

... Mobile Phones, Cordless Phones · Wireless Communication Equipment · Portable Games · Cameras, Video Recorders · Sub-board Power Supplies for Telecom Equip- ment · Battery Powered Equipment SOT-23-3 Figure 1. Package Types of AP2121 1 Data Sheet =100mA: 150mV OUT SOT-23-5 BCD Semiconductor Manufacturing Limited AP2121 (300mA ...

Page 2

... CE V OUT Figure 2. Pin Configuration of AP2121 (Top View) V Input voltage IN GND Ground CE Active high enable input pin. Logic high=enable, logic low=shutdown NC No connection V Regulated output voltage OUT 2 Data Sheet K Package (SOT-23- OUT Function BCD Semiconductor Manufacturing Limited AP2121 ...

Page 3

... HIGH SPEED, EXTREMELY LOW NOISE LDO REGULATOR Functional Block Diagram VREF CURRENT LIMIT SOT-23-3 May 2008 Rev OUT GND Figure 3. Functional Block Diagram of AP2121 3 Data Sheet VREF CURRENT LIMIT SOT-23-5 BCD Semiconductor Manufacturing Limited AP2121 5 V OUT 2 GND ...

Page 4

... Active High (Pull-down resistor built-in) AP2121AK-2.8TRE1 Active High (Pull-down resistor built-in) AP2121AK-3.0TRE1 Active High (Pull-down resistor built-in) AP2121AK-3.2TRE1 Active High (Pull-down resistor built-in) AP2121AK-3.3TRE1 BCD Semiconductor's Pb-free products, as designated with "E1" suffix in the part number, are RoHS compliant. May 2008 Rev ...

Page 5

... CE I OUT STG T LEAD SOT-23-3 θ JA SOT-23-5 ESD ESD the junction-to-ambient thermal resistance, θ J(max), Symbol Min -40 J BCD Semiconductor Manufacturing Limited 5 Data Sheet AP2121 Value Unit 6 300 mA 150 o C -65 to 150 o C 260 o C 250 o C/W ...

Page 6

... BCD Semiconductor Manufacturing Limited AP2121 Unit µ A µ µ ppm µ Vrms V V MΩ ...

Page 7

... BCD Semiconductor Manufacturing Limited AP2121 Unit µ A µ µ ppm µ Vrms V V MΩ ...

Page 8

... Typ Max 1.47 1.5 1.53 6 200 400 600 400 600 400 600 400 600 ± 150 ± 100 50 30 1.5 0.25 2 BCD Semiconductor Manufacturing Limited AP2121 Unit µ A µ µ ppm µ Vrms V V MΩ ...

Page 9

... Max 1.764 1.8 1.836 6 200 150 300 200 400 250 500 ± 180 ± 100 50 30 1.5 0.25 2 BCD Semiconductor Manufacturing Limited AP2121 Unit µ A µ µ ppm µ Vrms V V MΩ ...

Page 10

... Min Typ Max 2.45 2.5 2.55 6 200 150 300 200 400 250 500 ± 250 ± 100 50 30 1.5 0.25 2 BCD Semiconductor Manufacturing Limited AP2121 Unit µ A µ µ ppm µ Vrms V V MΩ ...

Page 11

... Max 2.744 2.8 2.856 6 200 150 300 200 400 250 500 ± 280 ± 100 50 30 1.5 0.25 2 BCD Semiconductor Manufacturing Limited AP2121 Unit µ A µ µ ppm µ Vrms V V MΩ ...

Page 12

... C, unless otherwise specified.) J Min Typ Max 2.94 3.0 3.06 200 150 300 200 400 250 500 25 0.1 70 ± 300 ± 100 50 30 1.5 0.25 2.5 5 BCD Semiconductor Manufacturing Limited Data Sheet AP2121 Unit µ µ µ ppm µ Vrms V ...

Page 13

... Max 3.136 3.2 3.264 6 200 150 300 200 400 250 500 ± 320 ± 100 50 30 1.5 0.25 2 BCD Semiconductor Manufacturing Limited AP2121 Unit µ A µ µ ppm µ Vrms V V MΩ ...

Page 14

... Max 3.234 3.3 3.366 6 200 150 300 200 400 250 500 ± 330 ± 100 50 30 1.5 0.25 2 BCD Semiconductor Manufacturing Limited AP2121 Unit µ A µ µ ppm µ Vrms V V MΩ ...

Page 15

... AP2121-3.0 2.5 2.0 1.5 1.0 0.5 0.0 0 250 300 350 Figure 5. Output Voltage vs. Output Current 3.50 3.25 3.00 2.75 2.50 AP2121-1.2 2.25 I =30mA OUT 2. Figure 7. Output Voltage vs. Input Voltage BCD Semiconductor Manufacturing Limited 15 Data Sheet AP2121 V = 100 150 200 250 300 Output Current (mA) AP2121-3.0 I =30mA OUT ...

Page 16

... Figure 9. Dropout Voltage vs. Output Current 3.10 3.08 3.06 3.04 3.02 3.00 2.98 2.96 AP2121-1.2 V =2.2V 2. =30mA OUT 2.92 2.90 75 100 125 o C) Figure 11. Output Voltage vs. Junction Temperature BCD Semiconductor Manufacturing Limited 16 Data Sheet AP2121 AP2121-3 120 160 Output Current (mA) AP2121-3 =30mA OUT - Junction Temperature ( C) 200 ...

Page 17

... Figure 13. Supply Current vs. Input Voltage AP2121-1 =2. =0mA 5 OUT 0 75 100 125 o C) Figure 15. Supply Current vs. Junction Temperature BCD Semiconductor Manufacturing Limited 17 Data Sheet AP2121 AP2121-3.0 I =0mA OUT Input Voltage (V) AP2121-3 =0mA OUT -25 0 ...

Page 18

... OUT AP2121-1.2 3.1 3.0 2.9 200 100 0 (Conditions: V =1µF) OUT 18 Data Sheet AP2121-3.0 Time (20µs/Div) Figure 17. Line Transient =30mA, C =1µF, C OUT IN AP2121-3.0 Time (200µs/Div) Figure 19. Load Transient =4V, C =1µ OUT BCD Semiconductor Manufacturing Limited AP2121 =1µF) OUT =1µF) ...

Page 19

... May 2008 Rev 100 AP2121-1 =2. =30mA OUT µ OUT 10k 100k 10 BCD Semiconductor Manufacturing Limited 19 Data Sheet AP2121 AP2121-3 =30mA OUT µ OUT 100 1k 10k Frequency (Hz) Figure 21. PSRR vs. Frequency 100k ...

Page 20

... Ceramic capacitors are recommended. May 2008 Rev AP2121-1 OUT GND C IN 1µF AP2121-3 OUT GND 1µF Figure 22. Typical Application of AP2121 BCD Semiconductor Manufacturing Limited 20 Data Sheet AP2121 V =1.2V OUT V OUT C OUT 1µF V =3V OUT V OUT C OUT 1µF ...

Page 21

... HIGH SPEED, EXTREMELY LOW NOISE LDO REGULATOR Mechanical Dimensions May 2008 Rev SOT-23-3 BCD Semiconductor Manufacturing Limited 21 Data Sheet AP2121 Unit: mm(inch) ...

Page 22

... HIGH SPEED, EXTREMELY LOW NOISE LDO REGULATOR Mechanical Dimensions (Continued) 2.820(0.111) 3.020(0.119) 0.950(0.037) 1.800(0.071) 2.000(0.079) May 2008 Rev SOT-23-5 0.200(0.008) 0.300(0.012) 0.400(0.016) BCD Semiconductor Manufacturing Limited 22 Data Sheet AP2121 Unit: mm(inch) 0.100(0.004) 0.200(0.008) 0° 8° ...

Page 23

... BCD Semiconductor Manufacturing Limited does not convey any license under its patent rights or of any its products or circuits. BCD Semiconductor Manufacturing Limited does not convey any license under its patent rights or other rights nor the rights of others. ...

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