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MFG:AD  Package Cooled:1000  D/C:01+  

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Part Number: ADP1173

 

MFG: AD

Package Cooled: 1000

D/C: 01+

Description: The ADP1173 is part of a family of step-up/step-down switching regulators that operates from an input ...


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ADP1173 General Description


The ADP1173 is part of a family of step-up/step-down switching regulators that operates from an input supply voltage of as little as 2 V to 12 V in step-up mode and to 30 V in step-down mode. The ADP1173 consumes as little as 110 µA in standby mode, making it ideal for applications that need low quiescent current. An auxiliary gain amplifier can serve as a low battery detector, linear regulator (under voltage lockout) or error amplifier. The ADP1173 can deliver 80 mA at 5 V from a 3 V input in step-up configuration or 100 mA at 5 V from a 12 V input in step-down configuration. For input voltages of less than 2 V use the ADP1073.

ADP1173 Maximum Ratings

Supply Voltage (VIN)  . . . . . . . . . . . . . . . . . . . . . . . . . . .. 36 V
SW1 Pin Voltage (VSW1)  . . . . . . . . . . . . . . . . . . . . . . . .. 50 V
SW2 Pin Voltage (VSW2)  . . . . . . . . . . . . . . . . . .0.5 V to VIN
Feedback Pin Voltage (ADP1173)  . . . . . . . . . . . . . . . . . . . 5 V
Sense Pin Voltage (ADP1173, 3.3, 5, 12)  . . . . . . . . . 36 V
Maximum Power Dissipation  . . . . . . . . . . . . . . . . . .  500 mW
Maximum Switch Current  . . . . . . . . . . . . . . . . . . . . . . . .1.5 A
Operating Temperature Range  . . . . . . . . . . . . 0°C to +70°C
Storage Temperature Range  . . . . . . . . . . . . 65°C to 150°C
Lead Temperature, (Soldering, 10 sec)  . . . . . . . . . . .+300°C

ADP1173 Features

Operates From 2.0 V to 30 V Input Voltages
Only 110 mA Supply Current (Typical)
Step-Up or Step-Down Mode Operation
Very Few External Components Required
Low Battery Detector On-Chip
User-Adjustable Current Limit
Internal 1 A Power Switch
Fixed or Adjustable Output Voltage Versions
8-Pin DIP or SO-8 Package

ADP1173 Typical Application

Notebook and Palmtop Computers
Cellular Telephones
Flash Memory Vpp Generators
3 V to 5 V, 5 V to 12 V Converters
9 V to 5 V, 12 V to 5 V Converters
Portable Instruments
LCD Bias Generators

ADP1173 Connection Diagram

ADP1173 Connection Diagram

ADP1173 datasheet

ADP1173
PDF/DataSheet Download

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