STMICROELECTRONICS  

KF50 Series 500 mA 5 V Fixed Output VLDO Regulator with Inhibit - TO-252

Mfr Part#: KF50BDT-TR
Mounting Method:  Surface Mount
Package Style:  TO-252-3 (DPAK)
Packaging:  REEL
Std Packaging Qty:  2,500

 
 

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Prices

$0.3600 USD (each)
2500+ $0.3600

Availability

Qty in Stock : 0
On Order :
2,500
Min. Order Qty: 2,500
Multiple of: 2,500
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Overview

Product Highlight

  • Input Voltage-Max: 20 V
  • Output Voltage Fixed: 5 V
  • Dropout Voltage-Max: 0.7 V
  • Output Current-Max: 500 mA
  • Tolerance (%): ±2 %
  • Operating Temp Range: -40 to +125 °C
  • Regulator Topology: Fixed
  • Quiescent Current: 12 mA
  • No. of Outputs: 1
  • Noise rms: 50 µV
  • Load Regulation: 50 mV
  • Current - Limit: 1 A
  • Line Regulation: 18 mV
The KF50BDT-TR is a very low drop regulators available in SO-8 package and in a wide range of output voltages. The very low drop voltage (0.4 V) and the very low quiescent current make them particularly suitable for low noise, low power applications and specially in battery powered systems.

A shutdown logic control function is available (pin 5, TTL compatible). This means that when the device is used as a local regulator, it is possible to put a part of the board in standby, decreasing the total power consumption. It requires only a 2.2 μF capacitor for stability allowing space and cost saving.

Features:

  • Very low dropout voltage (0.4 V)
  • Very low quiescent current (typ. 50 μA in OFF mode, 500 μA in ON mode)
  • Output current up to 500 mA
  • Logic-controlled electronic shutdown
  • Output voltages of 1.5; 2.5; 3.3; 4; 5; 8 V
  • Internal current and thermal limit
  • Only 2.2 μF for stability
  • Available in ± 2 % accuracy at 25 °C
  • Supply voltage rejection: 70 db (typ.)
  • Temperature range: -40 to 125 °C

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