ADP123 - ADI

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

ADP123
Manufacturer

ADI
ChipWorker Part#

CW205544715
RoHS

Lead free / RoHS Compliant
Description

5.5V Input, 300mA, Low Quiescent Current, CMOS Linear Regulator, Adjustable Output Voltage
Documentation

Datasheet

ADP123 Global Supplier

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ADP123 Specifications

Attribute	Attribute Value

Part Number	ADP123
Manufacturer	ADI
ChipWorker Part#	CW205544715
Documentation	Datasheet
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Product Lifecycle Status	Active
RoHS	RoHS Compliant

Product Description

Product Details
The ADP122/ADP123 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 300 mA of output current. The low 85 mV dropout voltage at a 300 mA load improves efficiency and allows operation over a wide input voltage range.
The low 170 μA of quiescent current at full load makes the ADP122 ideal for battery-operated portable equipment.
The ADP122 is capable of 31 fixed output voltages from 1.75 V to 3.3 V. The ADP123 is the adjustable version of the device and allows the output voltage to be set between 0.8 V and 5.0 V by an external voltage divider.
The ADP122/ADP123 are specifically designed for stable operation with tiny 1 μF ceramic input and output capacitors to meet the requirements of high performance, space constrained applications.
The ADP122/ADP123 have an internal soft start that gives a constant start-up time of 350 μs. Short-circuit protection and thermal overload protection circuits prevent damage in adverse conditions. The ADP122/ADP123 are available in a tiny, 5-lead TSOT package and 6-lead LFCSP package for the smallest footprint solution to meet a variety of portable applications.
**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-sale equipment
### Features and Benefits
Input voltage supply range:
2.3 V to 5.5 V
300 mA maximum output current
Fixed and adjustable output voltage versions
Very low dropout voltage:
85 mV at 300 mA load
Low quiescent current:
45 μA at no load
Low shutdown current: <1 μA
Initial accuracy: ±1% accuracy
See Data Sheet for additional features

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