ADP1110
ADP1110 is Step-Up/Step-Down Switching Regulator manufactured by Analog Devices.
Micropower, Step-Up/Step-Down Switching a Regulator; Adjustable and Fixed 3.3 V, 5 V, 12 V
Features
Operates at Supply Voltages From 1.0 V to 30 V Step-Up or Step-Down Mode Minimal External ponents Required Low-Battery Detector User-Adjustable Current Limiting Fixed or Adjustable Output Voltage Versions 8-Pin DIP or SO-8 Package
APPLICATIONS Cellular Telephones Single-Cell to 5 V Converters Laptop and Palmtop puters Pagers Cameras Battery Backup Supplies Portable Instruments Laser Diode Drivers Hand-Held Inventory puters
FUNCTIONAL BLOCK DIAGRAMS
A2
VIN GAIN BLOCK/ ERROR AMP
220mV REFERENCE
A1 OSCILLATOR
A0 ILIM SW1
Q1
PARATOR R2 R1...
