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HY3844, HY3842 Datasheet - Hooyi

HY3844 (HY3842 / HY3845) PWM controller

The HY3842D-N/3843D-N/3844D-N/3845D-N, are fixed frequency current mode PWM controller. They are specially designed for OFF *Line and DC to DC converter applications with a minimal external components. Internally implemented circuits include a trimmed oscillator for precise duty cycle control.

HY3844 Features

* Low Start-Up and Operating Current High Current Totem Pole Output Under voltage Lockout With Hysteresis Operating Frequency Up To 500KHz BLOCK DIAGRAM (toggle flip flop used only in HY3844, HY3845) Absolute Maximum Ratings Characteristic Supply Voltage (low

HY3842-Hooyi.pdf

This datasheet PDF includes multiple part numbers: HY3844, HY3842. Please refer to the document for exact specifications by model.
HY3844 Datasheet Preview Page 2 HY3844 Datasheet Preview Page 3

Datasheet Details

Part number:

HY3844, HY3842

Manufacturer:

Hooyi

File Size:

932.37 KB

Description:

(hy3842 / hy3845) pwm controller.

Note:

This datasheet PDF includes multiple part numbers: HY3844, HY3842.
Please refer to the document for exact specifications by model.

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TAGS

HY3844 HY3842 HY3842 HY3845 PWM controller Hooyi

HY3844 Distributor