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LT1574CS-516P, LT1575, LT1575(824)

Table of contents:
Info of LT1574CS-516P
Info of LT1575
Info of LT1575(824)

LT1574CS-516P, LT1575, LT1575(824) Selling Leads, Datasheet

MFG:LT Package Cooled:. D/C:.

LT1574CS-516P, LT1575, LT1575(824) Picture

LT1574CS-516P, LT1575, LT1575(824) Datasheet download

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Part Number: LT1574CS-516P

MFG: LT

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D/C: .

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LT1575 General Description

The LT^®1575/LT1577 are single/dual controller ICs that drive low cost external N-channel MOSFETs as source followers to produce ultrafast transient response, low dropout voltage regulators. The LT1575/LT1577 achieve unprecedented transientload performance by eliminating expensive tantalum or bulk electrolytic output capacitors in the most demanding modern microprocessor applications. Precision-trimmed adjustable and fixed output voltage versions accommodate any required microprocessor power supply voltage. Selection of the N-channel MOSFET R _DS(ON) allows very low dropout voltages to be achieved.

Unique protection features include a high side current limit amplifier that activates a fault protection timer circuit. A multifunction Shutdown pin provides either current limit time-out with latchoff, overvoltage protection, thermal shutdown or a combination of these functions. The LT1575 is available in 8-pin SO or PDIP and the LT1577 is available in 16-pin narrow body SO.

LT1575 Maximum Ratings

V_IN, IPOS, INEG ...................................................... 22V
SHDN....................................................................... VIN
Operating Ambient Temperature Range ..... 0°C to 70°C
Junction Temperature (Note 2) ................ 0°C to 100°C
Storage Temperature Range ................ 65°C to 150°C
Lead Temperature (Soldering, 10 sec) ................. 300°C

LT1575 Features

UltraFast^TMTransient Response Eliminates
Tantalum and Electrolytic Output Capacitors
FET R_DS(ON) Defines Dropout Voltage
1% Reference/Output Voltage Tolerance Over Temperature
Typical Load Regulation: 1mV
High Side Sense Current Limit
Multifunction Shutdown Pin with Latchoff

LT1575 Typical Application

Pentium^®Processor Supplies
PowerPC^TMSupplies
5V to 3.XXV or 3.3V to 2.XXV Microprocessor Supplies
GTL Termination
Low Voltage Logic Supplies

LT1575 Connection Diagram

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