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Updated at 29/11/2025 10:30:15(UTC+8)

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Description

DESCRIPTION
The KF00 series are very Low Drop regulators availablein SO-8 package and in a wide range of output voltages.
The very Low Drop voltage (0.4V) 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.
■ VERY LOW DROPOUT VOLTAGE (0.4V)
■ 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 1.25; 1.5; 2.5; 2.7; 3; 3.3; 3.5; 4; 4.5; 4.7; 5; 5.2; 5.5; 6; 8; 8.5; 12V
■ 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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KF50BD Specifications

Attribute	Attribute Value

Datasheet	Datasheet
3D Model	3D Model
Number of Pins	8 Pin
Case/Package	SOIC
Number of Outputs	1 Output
Output Voltage	5 V
Output Current	500 mA
Number of Positions	8 Position
voltage rating	400 mV
Input Voltage (Max)	20 V
Input Voltage (Min)	2.5 V
Operating Temperature (Max)	125 ℃
Operating Temperature (Min)	-40 ℃
	Show
Product Lifecycle Status	Unknown
RoHS	RoHS Compliant
REACH SVHC Compliance	No SVHC
REACH SVHC Compliance Edition	2015/12/17

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