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TLE4251

Features: • Output tracking tolerance ± 0.2%• 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 Tj 150 • Output protected against short circuit̶...

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SeekIC No. : 004520969 Detail

TLE4251: Features: • Output tracking tolerance ± 0.2%• 400 mA output current capability• Enable Function• Very low current consumption in OFF mode• Wide operation range: up to ...

TLE4251 Data Sheet

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Part Number:
TLE4251
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2025/1/11

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Product Details

Description



Features:

• Output tracking tolerance ± 0.2%
• 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 Tj 150
• Output protected against short circuit
• Overtemperature protection
• Reverse polarity proof


Specifications

Parameter Symbol Limit Values Unit Remarks
min. max.
Input
Voltage VI 42 45 V
Current II mA internally limited
Output
Voltage VQ 42 45 V
Current IQ mA internally limited
Adjust
Voltage VADJ 40 45 V
Current IADJ 50 mA internally limited
Enable
Voltage VEN 42 45 V
Current IEN A internally limited
Temperatures
Junction temperature Tj 40 150
Storage temperature Tstg 50 150
Thermal Resistances
Junction case Rthjc 4 K/W TLE 4251 D
Junction ambient Rthja 78 K/W TLE 4251 D1)
Junction case Rthjc 3 K/W TLE 4251 G
Junction ambient Rthja 52 K/W TLE 4251 G1)



Description

The TLE4251 is a monolithic integrated low-drop voltage tracker in the very small SMD package P-TO252-5-1. It is designed to supply e.g. sensors under the severe conditions of automotive applications. Therefore the device is equipped with additional protection functions against over load, short circuit and reverse polarity.

Supply voltages of TLE4251 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 0.5%. For loads up to 300 mA the tracking accuracy is 0.2%.

The TLE4251 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.




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