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LTC1923EGN#TRPBF

LTC1923EGN#TRPBF

LTC1923EGN#TRPBF

Linear Technology/Analog Devices

28 Terminations2.7V~5.5V 28 Pin LTC1923 Specialized Power Management ICs1 Functions

SOT-23

LTC1923EGN#TRPBF Datasheet

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In-Stock: 0 items
Specifications
Name Value
Type Parameter
Factory Lead Time 8 Weeks
Lifecycle Status PRODUCTION (Last Updated: 3 weeks ago)
Mounting Type Surface Mount
Package / Case 28-SSOP (0.154, 3.90mm Width)
Surface Mount YES
Number of Pins 28
Operating Temperature -40°C~85°C
Packaging Tape & Reel (TR)
Published 2001
JESD-609 Code e3
Part Status Active
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Number of Terminations 28
ECCN Code EAR99
Terminal Finish Matte Tin (Sn)
Applications Thermoelectric Cooler/Heater
HTS Code 8542.39.00.01
Subcategory Other Analog ICs
Technology CMOS
Voltage - Supply 2.7V~5.5V
Terminal Position DUAL
Terminal Form GULL WING
Peak Reflow Temperature (Cel) 250
Number of Functions 1
Supply Voltage 5V
Terminal Pitch 0.635mm
Base Part Number LTC1923
Pin Count 28
Input Voltage-Nom 5V
Power Supplies 5V
Analog IC - Other Type SWITCHING CONTROLLER
Operating Supply Current 2mA
Input Voltage (Min) 2.7V
Control Mode VOLTAGE-MODE
Input Voltage (Max) 5.5V
Control Technique PULSE WIDTH MODULATION
Switcher Configuration PUSH-PULL
Switching Frequency-Max 270kHz
Height Seated (Max) 1.75mm
Length 9.9mm
Width 3.9116mm
Radiation Hardening No
RoHS Status ROHS3 Compliant
Lead Free Lead Free
Pricing & Ordering
Quantity Unit Price Ext. Price
2,500 $22.56800 $45.136
LTC1923EGN#TRPBF Product Details

LTC1923EGN#TRPBF Description


LTC1923EGN#TRPBF developed by Linear Technology/Analog Devices is a type of pulse width modulator specifically designed for the thermoelectric cooler (TEC) or heater applications where either unidirectional or bidirectional drive circuits are required. It is integrated with all of the necessary control circuitry and two sets of complementary output drivers to drive a full bridge, providing an efficient means of bidirectional current flow to the TEC. Based on the addition of just a few external components, the temperature of a laser diode system can be stabilized through an accurate temperature control loop.



LTC1923EGN#TRPBF Features


Independent adjustable heating and cooling pulse-by-pulse current limit

Current soft-start for controlled start-up

High efficiency, low noise topology

TEC voltage clamping



LTC1923EGN#TRPBF Applications


Laser-based fiber optic links

Medical instruments

CPU temperature regulators

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