LT1107 General Description
LT1107 Maximum Ratings
Supply Voltage (VIN) ...............................................36V
SW1 Pin Voltage (VSW1) .........................................50V
SW2 Pin Voltage (VSW2) .......................... 0.5V to VIN
Feedback Pin Voltage (LT1107) ................................ 5V
Sense Pin Voltage (LT1107-5, LT1107-12) .......... .. 36V
Maximum Power Dissipation ............................ 500mW
Set Pin Voltage ......................................................5.5V
Maximum Switch Current ...................................... 1.5A
Operating Temperature Range
LT1107C ................................................ 0 to 70
LT1107M ........................................ 55 to 125
Storage Temperature Range ................. 65 to 150
Lead Temperature (Soldering, 10 sec).................. 300
LT1107 Features
· Operates at Supply Voltages from 2V to 30V
· Consumes Only 320mA Supply Current
· Works in Step-Up or Step-Down Mode
· Only Three External Components Required
· Low-Battery Detector Comparator On-Chip
· User Adjustable Current Limit
· Internal 1A Power Switch
· Fixed or Adjustable Output Voltage Versions
· Space Saving 8-Pin MiniDIP or SO-8 Package
LT1107 Typical Application
· Palmtop Computers
· 3V to 5V, 5V to 12V Converters
· 24V to 5V, 12V to 5V Converters
· LCD Bias Generators
· Peripherals and Add-On Cards
· Battery Backup Supplies
· Cellular Telephones
· Portable Instruments
LT1107 Connection Diagram
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