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Up to 1 A step down switching regulator with adjustable current limit for automotive applications

Quantity $ per Unit Savings
1 - 9$2.750%
10 - 24$2.4810%
25 - 99$2.3415%
100 - 249$2.0326%
250 - 499$1.9330%
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In stock
Parameter NameParameter Value
Input Voltage Min Volt8.0
Input Voltage Max Volt36.0
Operating Temp Min Celsius-40.0
Operating Temp Max Celsius125.0
Packing TypeTube
RoHs compliantEcopack1
Package NameSO-8

The A6902D is a complete step down switching regulator with adjustable current limit. Based on a voltage mode structure it integrates an additional current error amplifier to implement both a constant voltage and constant current control.

The current limit programming is very simple and accurate (± 5%) selecting the proper sensing resistor.

The DC-DC converter can be used either as a voltage source with adjustable current limit (set by using the external sense resistor) or as current source to charge NiMH / NiCd batteries or drive voltage load like LEDs.

The internal P-Channel DMOS transistor (typ. RDSON 250 mΩ) assures high efficiency and minimum dropout even at high output current level.

Key features
  • Qualified following the AEC-Q100 requirements
  • Up to 1 A DC output current
  • Operating input voltage from 8 V to 36 V
  • Output voltage adjustable from 1.235 V to 35 V
  • Precise 3.3 V (±2 %) reference voltage
  • 250 kHz Internally fixed frequency
  • Voltage feedforward
  • Zero-load current operation
  • Internal current limiting
  • Protection against feedback disconnection
  • Thermal shutdown