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LT1129 Datasheet PDF

Part Series:LT1129 Series
Category:Voltage Regulators
Description:LINEAR TECHNOLOGY LT1129CST-3.3#PBF Fixed LDO Voltage Regulator, 4.2V to 30V, 450mV Dropout, 3.3Vout, 700mAout, SOT-223-3
Document:LT1129CS8-5 Datasheet PDF (20 Pages)

LT1129 Voltage Regulators Datasheet PDF

LT1129 Datasheet PDF Voltage Regulators

17 Pages
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LINEAR TECHNOLOGY LT1129IS8-5#PBF Fixed LDO Voltage Regulator, 4.2V to 30V, 450mV Dropout, 5Vout, 700mAout, SOIC-8
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LINEAR TECHNOLOGY LT1129IS8#PBF LDO Voltage Regulator, Adjustable, 4.2V to 30V in, 450mV drop, 3.8V to 30V/0.7A out, SOIC-8
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LINEAR TECHNOLOGY LT1129CQ-3.3#PBF Fixed LDO Voltage Regulator, 4.15V to 30V, 450mV Dropout, 3.3Vout, 700mAout, TO-263-5
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LINEAR TECHNOLOGY LT1129CS8-5#PBF Fixed LDO Voltage Regulator, 4.15V to 30V, 450mV Dropout, 5Vout, 700mAout, SOIC-8
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LINEAR TECHNOLOGY LT1129CS8-3.3#PBF Fixed LDO Voltage Regulator, 4.15V to 30V, 450mV Dropout, 3.3Vout, 700mAout, SOIC-8
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LINEAR TECHNOLOGY LT1129CS8#PBF LDO Voltage Regulator, Adjustable, 4.2V to 30V in, 450mV drop, 3.8V to 30V/0.7A out, SOIC-8
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LINEAR TECHNOLOGY LT1129IQ-5#PBF Fixed LDO Voltage Regulator, 4.2V to 30V, 450mV Dropout, 5Vout, 700mAout, TO-263-5
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LINEAR TECHNOLOGY LT1129CQ-5#PBF Fixed LDO Voltage Regulator, 4.15V to 30V, 450mV Dropout, 5Vout, 700mAout, TO-263-5
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LINEAR TECHNOLOGY LT1129IST-3.3#PBF Fixed LDO Voltage Regulator, 4.2V to 30V, 450mV Dropout, 3.3Vout, 700mAout, SOT-223-3
16 Pages
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LINEAR TECHNOLOGY LT1129CST-5#PBF Fixed LDO Voltage Regulator, 4.2V to 30V, 450mV Dropout, 5Vout, 700mAout, SOT-223-3
16 Pages
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LINEAR TECHNOLOGY LT1129CQ#PBF LDO Voltage Regulator, Adjustable, 4.2V to 30V in, 450mV drop, 3.8V to 30V/0.7A out, TO-263-5
16 Pages
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IC REG LDO 5V 0.7A D2PAK
16 Pages
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LINEAR TECHNOLOGY LT1129IQ-3.3#PBF Fixed LDO Voltage Regulator, 4.2V to 30V, 450mV Dropout, 3.3Vout, 700mAout, TO-263-5
16 Pages
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LDO Regulator Pos 5V 0.7A 4Pin(3+Tab) SOT-223
16 Pages
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IC REG LDO 3.3V 0.7A SOT223
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IC REG LDO 3.3V 0.7A D2PAK

LT1129CST-3.3#PBF - Linear Technology Specifications

TYPE
DESCRIPTION
Mounting Style
Surface Mount
Number of Pins
3 Pin
Case/Package
TO-261-4
Number of Outputs
1 Output
Input Voltage (DC)
20.0V (max)
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LT1129CST-3.3#PBF - Linear Technology Function Overview

The LT1129CST-3.3#PBF is a micropower Low Dropout Regulator with Shutdown capable of supplying 700mA of output current with a dropout voltage of 400mV at maximum output. Designed for use in battery-powered systems, the low quiescent current, 50µA operating and 16µA in shutdown, make them an ideal choice. The quiescent current does not rise in dropout as it does with many other low dropout PNP regulators. Other features of the LT1129 include the ability to operate with small output capacitors. It is stable with only 3.3µF on the output while older devices require between 10 and 100µF for stability. Also the input may be connected to ground or a reverse voltage without reverse current flow from output to input. This makes the LT1129-3.3 ideal for backup power situations where the output is held high and the input is at ground or reversed. Under these conditions, only 16µA will flow from the output pin to ground.
50µA Quiescent current
No protection diodes needed
Adjustable output from 3.8 to 30V
3.3 and 5V Fixed output voltages
Controlled quiescent current in dropout shutdown
16µA Quiescent current in shutdown
Stable with 3.3µF output capacitor
Reverse battery protection
No reverse output current
Thermal limiting
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