Datasheet Details
Part number:
HY3845, HY3842
Manufacturer:
Hooyi
File Size:
932.37 KB
Description:
(hy3842 / hy3845) pwm controller.
Note:
This datasheet PDF includes multiple part numbers: HY3845, HY3842.
Please refer to the document for exact specifications by model.
HY3845, HY3842, (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
HY3845 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
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