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LT1614

Linear Technology
Part Number LT1614
Manufacturer Linear Technology
Description Inverting 600kHz Switching Regulator
Published Mar 22, 2005
Detailed Description + U U FEATURES s Better Regulation Than a Charge Pump s 0.1Ω Effective Output Impedance s – 5V at 200mA from a 5V Input...
Datasheet PDF File LT1614 PDF File

LT1614
LT1614

Overview
+ U U FEATURES s Better Regulation Than a Charge Pump s 0.
1Ω Effective Output Impedance s – 5V at 200mA from a 5V Input s 600kHz Fixed Frequency Operation s Operates with VIN as Low as 1V s 1mA Quiescent Current s Low Shutdown Current: 10µA s Low-Battery Detector s Low VCESAT Switch: 295mV at 500mA U APPLICATIO S s MR Head Bias s LCD Bias s GaAs FET Bias s Positive-to-Negative Conversion LT1614 Inverting 600kHz Switching Regulator DESCRIPTIO The LT®1614 is a fixed frequency, inverting mode switching reglator that operates from an input voltage as low as 1V.
Utilizing a low noise topology, the LT1614 can generate a negative output down to – 24V from a 1V to 5V input.
Fixed frequency switching ensures a clean output free from low frequency noise.
The device contains a lowbattery detector with a 200mV reference and shuts down to less than 10µA.
No load quiescent current of the LT1614 is 1mA and the internal NPN power switch handles a 500mA current with a voltage drop of just 29...


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