器件名称: ADP124ARHZ-3.3-R7
功能描述: 5.5 V Input, 500 mA, Low Quiescent Current, CMOS Linear Regulators
文件大小: 676.68KB 共20页
简 介:5.5 V Input, 500 mA, Low Quiescent Current, CMOS Linear Regulators ADP124/ADP125
FEATURES
Input voltage supply range: 2.3 V to 5.5 V 500 mA maximum output current Fixed and adjustable output voltage versions 1% initial accuracy Up to 31 fixed-output voltage options available from 1.75 V to 3.3 V Adjustable-output voltage range from 0.8 V to 5.0 V Very low dropout voltage: 130 mV Low quiescent current: 45 μA Low shutdown current: <1 μA Excellent PSRR performance: 60 dB at 100 kHz Excellent load/line transient response Optimized for small 1.0 μF ceramic capacitors Current limit and thermal overload protection Logic controlled enable Compact 8-lead exposed paddle MSOP package
TYPICAL APPLICATION CIRCUITS
VOUT = 3.3V C2
1
VOUT VOUT VOUT SENSE GND
VIN VIN NC EN
8
ADP124
2 7
VIN = 5.5V C1
3
6
4
5
OFF
Figure 1. ADP124 with Fixed Output Voltage
VOUT = 3.3V
1
VOUT VOUT ADJ GND
VIN VIN NC EN
8
ADP125
C2 R1
2 7
VIN = 5.5V C1
3
6
08476-002
R2
4 5
ON OFF
APPLICATIONS
Digital camera and audio devices Portable and battery-powered equipment Automatic meter reading (AMR) meters GPS and location management units Medical instrumentation Point of load power
Figure 2. ADP 125 with Adjustable Output Voltage
GENERAL DESCRIPTION
The ADP124/ADP125 are low quiescent current, low dropout linear regulators. They are designed to operate from an input voltage between 2.3 V and 5.5 V and to provide up to 500 mA of output current. The low 130 mV dropout voltage at a 500 mA load impro……
