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LF33 Pinout Diagram

Part Series:LF33 Series
Category:Voltage Regulators
Description:STMICROELECTRONICS LF33CDT-TR Fixed LDO Voltage Regulator, 3V to 16V, 400mV Dropout, 3.3Vout, 0.5Aout, TO-252-3
Document:LF33CDT-TR Datasheet PDF (53 Pages)

LF33 Voltage Regulators Pinout Diagram

#1
LF33CDT-TR
4.8
ST Microelectronics
#2
LF33ABDT-TR
4.2
ST Microelectronics
#3
LF33ABV
3.6
ST Microelectronics
#4
LF33CV
3.1
ST Microelectronics

LF33CDT-TR - ST Microelectronics Specifications

TYPE
DESCRIPTION
Mounting Style
Surface Mount
Number of Pins
3 Pin
Supply Voltage (DC)
40.0V (max)
Operating Voltage
4.3V ~ 16V
Case/Package
TO-252-3
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LF33CDT-TR - ST Microelectronics Function 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
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