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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

LINEAR TECHNOLOGY LT1129CQ-3.3#PBF
Technical Data Sheet (176.54KB) EN See all Technical Docs

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Product Overview

The LT1129CQ-3.3#PBF is a 3.3V fixed output low-dropout (LDO) Linear Regulator with shutdown. The device is capable of supplying 700mA of output current with a dropout voltage of 400mV at maximum output. 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 (LDO) PNP regulators. Other features of the device include the ability to operate with small output capacitors. Also the input may be connected to ground or a reverse voltage without reverse current flow from output to input. This makes the device 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.
  • No protection diodes needed
  • Controlled quiescent current in dropout
  • Stable with 3.3μF output capacitor
  • Reverse battery protection
  • No reverse output current
  • Thermal limiting

 

Product Information

Output Type:
Fixed
Input Voltage Min:
4.15V
Input Voltage Max:
30V
Fixed Output Voltage Nom.:
3.3V
Adjustable Output Voltage Min:
-
Adjustable Output Voltage Max:
-
Output Current:
700mA
Dropout Voltage Vdo:
450mV
LDO Regulator Case Style:
TO-263
No. of Pins:
5Pins
Operating Temperature Min:
0°C
Operating Temperature Max:
125°C
Packaging:
Each
Product Range:
700mA 3.3V LDO Voltage Regulators
Automotive Qualifications Standard:
-
Output Voltage Nom.:
3.3 V
MSL:
-
SVHC:
No SVHC (17-Dec-2015)

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Applications

  • Industrial;
  • Portable Devices;
  • Power Management

Legislation and Environmental

Moisture Sensitivity Level:
-
Product Traceability
RoHS Compliant:
Yes
Authorized Distributor

Substitutes

Associated Products