HI-SINCERITY
MICROELECTRONICS CORP.
Spec.
No.
: IC200908 Issued Date : 2009.
05.
27 Revised Date : 2009.
12.
08 Page No.
: 1/14
H970
Switching Power Controller IC
General Description
H970 is a high performance current mode PWM controller.
It’s specifically designed for AC/DC adapter, providing as high as 12W continuous power output in a wide input voltage range from 85V AC to 265V AC.
The peak
Package Type : DIP-8 Package Code : P
Fig.
1
output power can reach as high as 18W.
The controller can be typically used in fly-back circuit topology,
formed a simplicity AC/DC adapter.
The distinctively start-up circuit, by using bootstrap circuit and the
amplified of power
transistors, significantl...