The following content is an automatically extracted verbatim text
from the original manufacturer datasheet and is provided for reference purposes only.
View original datasheet text
UCC25705, UCC25706, UCC35705, UCC35706 HIGH-SPEED VOLTAGE MODE PULSE WIDTH MODULATOR
D Greater Than 4-MHz Operation D Integrated Oscillator / Voltage Feed Forward
Compensation
D >4:1 Input Voltage Range D 25-ns Current Limit Delay D Programmable Maximum Duty Cycle Clamp D Optocoupler Interface D 50-μA Start-Up Current D 4.2-mA Operating Current @ 1 MHz D Smallest Footprint of the 8-pin MSOP
Package Minimizes Board Area and Height
SLUS473B -- NOVEMBER 1999 -- REVISED OCTOBER 2010 D, OR P PACKAGE (TOP VIEW)
DGK PACKAGE (TOP VIEW)
ILIM FB
VFF DISCH
1 2 3 4
1 ILIM 2 FB 3 VFF 4 DISCH
VDD OUT GND
RC
8 7 6 5
8 VDD 7 OUT 6 GND 5 RC
description
The UCC35705 and UCC35706 devices are 8-pin voltage mode primary side controllers with fast over-current protection.