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电流放大器芯片ichaiyang 2024-05-10 4:57 17
Input voltage :15VOutput voltage :5VOutput current :200mAFrequency :500kHzPower consumption :1WPackage form :DIPNumber of stitches :8Operating temperature range :0°C to 70°CPackage...

3844a chip details?

Input voltage :15V

Output voltage :5V

Output current :200mA

Frequency :500kHz

Power consumption :1W

Package form :DIP

Number of stitches :8

Operating temperature range :0°C to 70°C

Package type :DIP

Minimum operating temperature :0°C

Maximum operating temperature :70°C

Device number :3844

Controller type :PWM

Temperature range: commercial

Maximum power supply voltage :25V

Minimum power supply voltage :12V

Chip number :3844

Surface mount device: through hole mount

Maximum input voltage :25V

Input current :11mA

Maximum output current :4A

Output type :Totem Pole

Output energy, per cycle :5μJ

Logical function number :3844A

Power chip type :PWM controller


Fixed frequency, current mode controller, widely used in small and medium power DC-DC switching power supply. The main functions of the chip are: oscillator, reference of temperature compensation, high gain error amplifier, current sampling comparator and high current totem pole output, which is an ideal device to drive power MOSFET.