DIODES INC.  ZLDO1117G33TA  Fixed LDO Voltage Regulator, 2.7V to 18V, 1.11V Dropout, 3.3Vout, 1Aout, SOT-223-3

Technical Data Sheet (206.40KB) EN See all Technical Docs

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Product Overview

The ZLDO1117G33TA is a fixed output low dropout (LDO) positive regulator in 3 pin SOT-223 package. This regulator has 2% tolerance across industrial temperature range. It has lower than 1.2V dropout at full load current making it ideal to provide well regulated outputs with input supply voltages up to 18V. The ZLDO1117 is ideally suited to provide well regulated supplies for low voltage IC application such as high speed bus termination and low current 3.3V logic supply across industrial temperature range.
  • Fixed output voltage of 3.3V
  • 1A output current
  • Dropout voltage of 1.11V at 1A output current
  • Input voltage range from 2.7V to 18V
  • Fast transient response
  • Output current limiting
  • Built-in thermal shutdown
  • Good noise rejection
  • Suitable for use with MLCC capacitors
  • Operating junction temperature range from -40°C to 125°C
This device is ESD sensitive and may be damaged by exposure to ESD events. Suitable ESD precautions should be taken when handling and transporting this device.


Product Information

Adjustable Output Voltage Max:
Adjustable Output Voltage Min:
Automotive Qualification Standard:
Fixed Output Voltage Nom.:
3.3 V
Input Voltage Max:
18 V
Input Voltage Min:
2.7 V
LDO Regulator Case Style:
No. of Pins:
3 Pins
Operating Temperature Max:
125 °C
Operating Temperature Min:
-40 °C
Output Current:
1 A
Output Type:
Cut Tape
Product Range:
3.3V 1A LDO Voltage Regulators
No SVHC (17-Dec-2015)

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  • Input Voltage Max: 18V
  • Fixed Output Voltage Nom.: 3.3V
  • Operating Temperature Min: -40°C
  • Output Current: 1A
  • Adjustable Output Voltage Max: -
  • Operating Temperature Max: 125°C
  • No. of Pins: 3Pins
  • Adjustable Output Voltage Min: -
  • Output Type: Fixed
  • Input Voltage Min: 2.7V
  • Product Range: 3.3V 1A LDO Voltage Regulators
  • Automotive Qualification Standard: -
  • LDO Regulator Case Style: SOT-223
  • Packaging: Cut Tape
  • Dropout Voltage Vdo: 1.11V