TLE4251GNTMA1

TLE4251GNTMA1 Datasheet

TLE 4251

Part	Datasheet
TLE4251GNTMA1	TLE4251GNTMA1 (pdf)

Related Parts	Information
TLE4251DNTMA1	TLE4251DNTMA1

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Low Drop Voltage Tracker TLE 4251 • Output tracking tolerance • 400 mA output current capability • Enable Function • Very low current consumption in OFF mode • Wide operation range up to 40 V • Wide temperature range -40 °C Tj 150 °C P-TO252-5-11 Functional Description The TLE 4251 is a monolithic integrated low drop voltage tracker in the very small SMD package PG-TO252-5-1. It is designed to supply e.g. sensors under the severe P-TO263-5-1 conditions of automotive applications. Therefore the device is equipped with additional protection functions against overload, short circuit and Supply voltages up to 40 V are tracked to a reference voltage given to the adjust input via an external resistor. The output is able to drive loads up to 400 mA while it follows e.g. the 5 V output of a main voltage regulator within an accuracy of For loads up to 300 mA the tracking accuracy is The TLE 4251 can be switched in stand-by mode via the enable EN input which causes the current consumption to drop to very low values. This feature makes the IC suitable for low power battery applications. Type TLE 4251 D TLE 4251 G Data Sheet Package PG-TO252-5-11 PG-TO263-5-1 PG-TO252-5-11 TLE 4251 PG-TO263-5-1 ADJ Q AEP02810 I EN GND ADJ Q AEP03119 Figure 1 Pin Configuration top view Table 1 Pin No. 1 2 3 4 Pin Definitions and Functions Symbol Function Input voltage Enable high-active input Ground Adjust connect directly to the reference or with a voltage divider to the reference for reference-proportional output voltages, Output voltage must be blocked by a capacitor CQ 22 uF, ESR 3 Ω to GND Data Sheet TLE 4251 TLE 4251 Saturation Control and Protection Circuit

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Low Drop Voltage Tracker

TLE 4251
• Output tracking tolerance
• 400 mA output current capability
• Enable Function
• Very low current consumption in OFF mode
• Wide operation range up to 40 V
• Wide temperature range -40 °C Tj 150 °C

P-TO252-5-11

Functional Description

The TLE 4251 is a monolithic integrated low drop voltage
tracker in the very small SMD package PG-TO252-5-1. It is designed to supply e.g. sensors under the severe

P-TO263-5-1
conditions of automotive applications. Therefore the
device is equipped with additional protection functions against overload, short circuit and

Supply voltages up to 40 V are tracked to a reference voltage given to the adjust input via an external resistor.

The output is able to drive loads up to 400 mA while it follows e.g. the 5 V output of a main voltage regulator within an accuracy of For loads up to 300 mA the tracking accuracy is

The TLE 4251 can be switched in stand-by mode via the enable EN input which causes the current consumption to drop to very low values. This feature makes the IC suitable for low power battery applications.

Type TLE 4251 D TLE 4251 G

Data Sheet

Package PG-TO252-5-11 PG-TO263-5-1

PG-TO252-5-11

TLE 4251

PG-TO263-5-1

ADJ Q

AEP02810

I EN GND ADJ Q

AEP03119

Figure 1 Pin Configuration top view

Table 1 Pin No. 1 2 3 4

Pin Definitions and Functions

Symbol Function

Input voltage

Enable high-active input

Ground

Adjust connect directly to the reference or with a voltage
divider to the reference for reference-proportional output
voltages,

Output voltage must be blocked by a capacitor

CQ 22 uF, ESR 3 Ω to GND

Data Sheet

TLE 4251

TLE 4251

Saturation Control and Protection

Circuit

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Datasheet ID: TLE4251GNTMA1 638734