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LT1304-5.0V

UTC
Part Number LT1304-5.0V
Manufacturer UTC
Description MICROPOWER DC/DC CONVERTERS
Published Apr 14, 2007
Detailed Description UTC LT1304/LT1304-3.3V/LT1304-5.0V LINEAR INTEGRATED CIRCUIT MICROPOWER DC/DC CONVERTERS WITH LOW-BATTERY DETECTOR ACTIV...
Datasheet PDF File LT1304-5.0V PDF File

LT1304-5.0V
LT1304-5.0V

Overview
UTC LT1304/LT1304-3.
3V/LT1304-5.
0V LINEAR INTEGRATED CIRCUIT MICROPOWER DC/DC CONVERTERS WITH LOW-BATTERY DETECTOR ACTIVE IN SHUTDOWN DESCRIPTION The UTC LT1304 is a micropower step-up DC/DC converter ideal for use in small, low voltage, battery-operated systems.
The devices operate from a wide input supply range of 1.
5V to 8V.
The UTC LT1304-3.
3 and LT1304-5.
0 generate regulated outputs of 3.
3V and 5V and the adjustable LT1304 can deliver output voltages up to 25V.
Quiescent current,120 μ A in active mode, decreases to just 10 μ A in shutdown with the low-battery detector still active.
Peak switch current, internally set at 1A,can be reduced by adding a single resistor from the ILIM pin to ground.
The high speed operation of the UTC LT1304 allows the use of small, surface-mountable inductors and capacitors.
SOP-8 DIP-8 FEATURES *5V at 200mA from two cells.
*10μA quiescent current in shutdown.
*Operates with VIN as low as1.
5V *Low battery detector active in shutdown *Low switch VCESAT:370mV at 1A typical.
*120μA quiescent current in active mode.
*Switching frequency up to 300kHz *Programmable peak current with one resistor.
.
www.
DataSheet4U.
com APPLICATIONS *2-,3-,or 4-cell to 5V or 3.
3V step-up *Portable instruments *Bar code scanners *Palmtop computers *Diagnostic medical instrumentation.
*Personal data communicators/computers.
PIN CONFIGURATION LBI LBO V IN SW 1 2 3 4 8 7 6 5 FB(SENSE)* SHDN IL I M GND UTC UNISONIC TECHNOLOGIES CO.
, LTD.
1 QW-R103-018,A UTC LT1304/LT1304-3.
3V/LT1304-5.
0V LINEAR INTEGRATED CIRCUIT ABSOLUTE MAXIMUM RATINGS PARAMETER Input Voltage SW Voltage FB Voltage(LT1304) ILIM Voltage(LT1304-3.
3/LT1304-5.
0) SHDN Voltage LBI Voltage LBO Voltage Maximum Power Dissipation Junction Temperature Operating Temperature Range Storage Temperature Range Lead Temperature (soldering,10sec) SYMBOL VIN RATING 8 -0.
4 ~ +25 VIN+0.
3 5 6 VIN 8 500 125 0 ~ 70 -65 ~ +150 300 UNIT V V V V V V V mW PD Tj Topr Tstg °C °C °C °C ELECTRICAL CHARACTER...


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