HA16163T Datasheet, PDF (1/30 Pages) Renesas Technology Corp – Synchronous Phase Shift Full-Bridge Control IC

HA16163T
Synchronous Phase Shift Full-Bridge Control IC
Features
• High frequency operation; oscillator frequency = 2 MHz max.
• Full-bridge phase-shift switching circuit with adjustable delay times
• Integrated secondary synchronous rectification control with adjustable delay times
• Three-level over current protection; pulse by pulse, timer Latch, one shot OCP
• Package: TSSOP-20
Application
• 48 V input isolated DC/DC converter
• Primary; Full-bridge circuit topology
• Secondary; current doubler or center-tapped rectification
Illustrative Circuit
+48V
REJ03F0001-0500Z
Rev.5.0
Mar.15.2004
+
–
Vbias
FET
Driver
FET
Driver
FET Driver
FET
Driver
FET
Driver
FET Driver
VCC OUT OUT
-A
-B
CS RAMP OUT OUT OUT OUT
-C
-D
-E
-F
Optical feedback circuitry
COMP
VREF
FB
GND
DELAY DELAY DELAY
RT SYNC SS REMOTE -1
-2
-3
Rev.5.0, Mar.15.2004, page 1 of 29