AP2125N-1.8TRE1 datasheet, PDF

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AP2125N-1.8TRE1: DescriptionLDO Regulator Pos 1.8V 0.36A 3-Pin SOT-23 T/R; File Size467KB，27 Pages; ManufacturerDiodes Incorporated; Environmental Compliance

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AP2125N-1.8TRE1 Overview

LDO Regulator Pos 1.8V 0.36A 3-Pin SOT-23 T/R

AP2125N-1.8TRE1 Parametric

Parameter Name	Attribute value
EU restricts the use of certain hazardous substances	Compliant
ECCN (US)	EAR99
Part Status	Unconfirmed
Type	LDO
Number of Outputs	1
Polarity	Positive
Accuracy (%)	±2
Output Type	Fixed
Output Voltage (V)	1.8
Maximum Output Current (A)	0.36(Typ)
Minimum Input Voltage (V)	2.3
Maximum Input Voltage (V)	6
Maximum Dropout Voltage @ Current (V)	0.36@300mA\|0.012@10mA\|0.12@100mA
Line Regulation	15mV
Load Regulation	15mV
Maximum Quiescent Current (mA)	0.09
Junction to Ambient	200°C/W
Special Features	Current Limit\|Thermal Shutdown Protection
Minimum Operating Temperature (°C)	-40
Maximum Operating Temperature (°C)	85
Packaging	Tape and Reel
Supplier Package	SOT-23
Pin Count	3
Standard Package Name	SOT-23
Mounting	Surface Mount
Package Height	0.98
Package Length	2.9
Package Width	1.3
PCB changed	3
Lead Shape	Gull-wing

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Data Sheet

300mA HIGH SPEED, EXTREMELY LOW NOISE CMOS LDO REGULATOR

AP2125

General Description

The AP2125 series are 300mA, positive voltage regu-

lator ICs fabricated by CMOS process.

Each of these ICs is equipped with a voltage reference,

an error amplifier, a resistor network for setting output

voltage, a chip enable circuit, a current limit circuit and

OTSD (over temperature shut down) circuit to prevent

the IC from over current and over temperature.

The AP2125 series have features of high ripple rejec-

tion, low dropout voltage, low noise, high output volt-

age accuracy and low current consumption which

make them ideal for use in various battery-powered

apparatus.

The AP2125 have 1.8V, 2.5V, 2.8V, 3.0V, 3.3V, 4.15V

and 4.2V fixed voltage versions.

These ICs are available in tiny SC-70-5 and SC-82

packages as well as industry standard SOT-23-3 and

SOT-23-5 packages.

Features

Excellent Ripple Rejection: 70dB Typical (1.8V

Version)

Low Dropout Voltage: 65mV (I

OUT

=100mA,

3.3V Version)

Low Standby Current: 0.01µA Typical

Low Quiescent Current: 60µA Typical

Extremely Low Noise: 50µVrms Typical

Maximum Output Current: 300mA (Min.)

High Output Voltage Accuracy:

Compatible with Low ESR Ceramic Capacitor

Excellent Line/Load Regulation

Applications

CDMA/GSM Cellular Handsets

Battery-powered Equipments

Laptops, Palmtops, Notebook Computers

Hand-held Instruments

PCMCIA Cards

Portable Information Appliances

SOT-23-3

SOT-23-5

SC-70-5

SC-82

Figure 1. Package Types of AP2125

Sep. 2012 Rev. 1. 5

BCD Semiconductor Manufacturing Limited

AP2125N-1.8TRE1 Related Products

	AP2125N-1.8TRE1	AP2125N-3.0TRE1	AP2125K-2.8TRE1	AP2125K-3.3TRE1	AP2125N-3.3TRE1
Description	LDO Regulator Pos 1.8V 0.36A 3-Pin SOT-23 T/R	LDO Regulator Pos 3V 0.36A 3-Pin SOT-23 T/R	LDO Regulator Pos 2.8V 0.36A 5-Pin SOT-25 T/R	LDO Regulator Pos 3.3V 0.36A 5-Pin SOT-25 T/R	LDO Regulator Pos 3.3V 0.36A 3-Pin SOT-23 T/R
EU restricts the use of certain hazardous substances	Compliant	Compliant	Compliant	Compliant	Compliant
ECCN (US)	EAR99	EAR99	EAR99	EAR99	EAR99
Part Status	Unconfirmed	Unconfirmed	Unconfirmed	Active	Unconfirmed
Type	LDO	LDO	LDO	LDO	LDO
Number of Outputs	1	1	1	1	1
Polarity	Positive	Positive	Positive	Positive	Positive
Accuracy (%)	±2	±2	±2	±2	±2
Output Type	Fixed	Fixed	Fixed	Fixed	Fixed
Output Voltage (V)	1.8	3	2.8	3.3	3.3
Maximum Output Current (A)	0.36(Typ)	0.36(Typ)	0.36(Typ)	0.36(Typ)	0.36(Typ)
Minimum Input Voltage (V)	2.3	3.5	3.3	3.8	3.8
Maximum Input Voltage (V)	6	6	6	6	6
Maximum Dropout Voltage @ Current (V)	0.36@300mA\|0.012@10mA\|0.12@100mA	0.01@10mA\|0.1@100mA\|0.3@300mA	0.01@10mA\|0.1@100mA\|0.3@300mA	0.01@10mA\|0.3@300mA\|0.1@100mA	0.01@10mA\|0.1@100mA\|0.3@300mA
Line Regulation	15mV	15mV	15mV	15mV	15mV
Load Regulation	15mV	15mV	15mV	15mV	15mV
Maximum Quiescent Current (mA)	0.09	0.09	0.09	0.09	0.09
Junction to Ambient	200°C/W	200°C/W	200°C/W	200°C/W	200°C/W
Special Features	Current Limit\|Thermal Shutdown Protection	Current Limit\|Thermal Shutdown Protection	Current Limit\|Thermal Shutdown Protection	Current Limit\|Thermal Shutdown Protection	Current Limit\|Thermal Shutdown Protection
Minimum Operating Temperature (°C)	-40	-40	-40	-40	-40
Maximum Operating Temperature (°C)	85	85	85	85	85
Packaging	Tape and Reel	Tape and Reel	Tape and Reel	Tape and Reel	Tape and Reel
Supplier Package	SOT-23	SOT-23	SOT-25	SOT-25	SOT-23
Pin Count	3	3	5	5	3
Standard Package Name	SOT-23	SOT-23	SOT-23	SOT-23	SOT-23
Mounting	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Package Height	0.98	0.98	1.1	1.1	0.98
Package Length	2.9	2.9	3	3	2.9
Package Width	1.3	1.3	1.6	1.6	1.3
PCB changed	3	3	5	5	3
Lead Shape	Gull-wing	Gull-wing	Gull-wing	Gull-wing	Gull-wing

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