LNBH29EQTR LINERA Integrated circuit Chip IC Electronics 1.25A High Efficiency Switching Regulator

LT1072CN8

1.25A High Efficiency Switching Regulator

Features

■ Available in MiniDiP, TO-220, and TO-3 Packages

■ Wide Input Voltage Range 3V to 60V

■ Low Quiescent Current—6mA

■ Internal 1.25A Switch

■ Very Few External Parts Required

■ Self-Protected Against Overloads

■ Operates in Nearly All Switching Topologies

■ Shutdown Mode Draws Only 50µA Supply Current

■ Flyback-Regulated Mode has Fully Floating Outputs

■ Can be Externally Synchronized

APPLICATIO

■ Logic Supply 5V at 2.5A

■ 5V Logic to ±15V Op Amp Supply

■ Offline Converter up to 50W

■ Battery Upconverter

■ Power lnverter (+ to –) or (– to +)

■ Fully Floating Multiple Outputs

■ Driver for High Current Supplies

ABSOLUTE AXI U RATI GS

Supply Voltage LT1072HV (See Note 1) ......................................... 60V

LT1072 (See Note 1) ............................................. 40V

Switch Output Voltage LT1072HV ............................................................. 75V

LT1072 .................................................................. 65V

LT1072S8 .............................................................. 60V

Feedback Pin Voltage (Transient, 1ms) ................. ±15V

Operating Junction Temperature Range LT1072HVM, LT1072M (OBSOLETE) .... –55°C to 150°C LT1072HVC, LT1072C (Oper.)*............0°C to 100°C

LT1072HVC, LT1072C (Sh. Ckt.)* ........0°C to 125°C

LT1072HVI ....................................... –40°C to 125°C

Storage Temperature Range ............... –65°C to 150°C

Lead Temperature (Soldering, 10 sec) ...............300°C

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