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STMICROELECTRONICS  LF33CDT-TR  Fixed LDO Voltage Regulator, 3V to 16V, 450mV Dropout, 3.3Vout, 0.5Aout, TO-252-3

STMICROELECTRONICS LF33CDT-TR
Technical Data Sheet (1.09MB) EN See all Technical Docs

Image is for illustrative purposes only. Please refer to product description.

Product Overview

The LF33CDT-TR is a Low-drop Voltage Regulator with inhibit function and 3.3V output voltage. Low quiescent current make it particularly suitable for low-noise, low power applications and especially in battery powered systems. In the 5-pin configuration (PPAK) a shutdown logic control function is available (pin 2, TTL compatible). This means that when the device is used as a local regulator, a part of the board can be put in standby, decreasing the total power consumption. In the 3-terminal configuration, the device has the same electrical performance, but it is fixed in ON state. It requires a capacitor of only 2.2µF for stability, saving board space and costs.
  • Very low drop-out voltage (0.45V)
  • Very low quiescent current (typical 50µA in OFF mode, 500µA in ON mode)
  • 500mA Output current
  • Logic-controlled electronic shutdown
  • Internal current and thermal limit
  • Available in ±1% (AB) or ±2% (C) selection at 25°C
  • 80dB Typical supply voltage rejection

 

Product Information

Output Type:
Fixed
Input Voltage Min:
3V
Input Voltage Max:
16V
Fixed Output Voltage Nom.:
3.3V
Adjustable Output Voltage Min:
-
Adjustable Output Voltage Max:
-
Output Current:
500mA
Dropout Voltage Vdo:
450mV
LDO Regulator Case Style:
TO-252
No. of Pins:
3Pins
Operating Temperature Min:
-40°C
Operating Temperature Max:
125°C
Packaging:
Cut Tape
Product Range:
0.5A 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

  • Automotive;
  • Power Management

Legislation and Environmental

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

Substitutes

Fixed LDO Voltage Regulator, 3V to 16V, 450mV Dropout, 3.3Vout, 0.5Aout, TO-252-3

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