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KF40B

Features: Very low dropout voltage (0.4 V) Very low quiescent current (typ. 50 A in OFF Mode, 500 A in ON Mode) Output current up to 500 mA Logic-controlled electronic shutdown Output voltages of 1.5; 2.5; 3; 3.3; 4; 5; 5.2; 6; 8 Internal current and thermal limit Only 2.2 F for stability Availab...

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SeekIC No. : 004385227 Detail

KF40B: Features: Very low dropout voltage (0.4 V) Very low quiescent current (typ. 50 A in OFF Mode, 500 A in ON Mode) Output current up to 500 mA Logic-controlled electronic shutdown Output voltages of 1...

KF40B Data Sheet

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Part Number:
KF40B
Supply Ability:
5000

Price Break

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

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Product Details

Description



Features:

Very low dropout voltage (0.4 V)
Very low quiescent current (typ. 50 A in OFF Mode, 500 A in ON Mode)
Output current up to 500 mA
Logic-controlled electronic shutdown
Output voltages of 1.5; 2.5; 3; 3.3; 4; 5; 5.2; 6; 8
Internal current and thermal limit
Only 2.2 F for stability
Available in ± 2 % accuracy at 25
Supply voltage rejection: 70 db (typ.)
Temperature range: -40 to 125


Pinout

Connection Diagram


Specifications

Symbol Parameter Value Unit
VI DC input voltage -0.5 to 20 V
IO Output current Internally Limited  
PTOT Power dissipation Internally Limited  
TSTG Storage temperature range -40 to 150
TOP Operating junction temperature range -40 to 125

Note: Absolute maximum ratings are those values beyond which damage to the device may occur. Functional operation under these condition is not implied.




Description

The KFxx series KF40B are 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, KF40B is possible to put a part of the board in standby, decreasing the total power consumption. KF40B requires only a 2.2 F capacitor for stability allowing space and cost saving.




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