HA16163T Datasheet, PDF (3/30 Pages) Renesas Technology Corp – Synchronous Phase Shift Full-Bridge Control IC

HA16163T
Block Diagram
VCC
REMOTE
RT
SYNC
FB
COMP
RAMP
SS
CS
H
UVL
UVLO
L
+
ON: 1.417V
OFF: 1.333V
−
VREF
Current Ref.
Generator
5V
Generator
VREF ^H
GOODL
Start-up
counter
32 clock
VREFGOOD
DELAY
SYNC. I/O
Oscillator
RES
Q
Error Amp
VREF
500µ
−
+
1.25V
20k
10k
Comparator
−
+
0.4V
R
Q
S
1.55V
1.46V
−+
DELAY
DELAY
DELAY
Clamp Circuit
VREF
87µA
4V RES
10µ
R
Q
S
R
Q
S
VREFGOOD
SS IN
LOCKOUT
SEQ.
ONE PULSE
DISCHARGE
Zero Delay
DELAY
+
0.4V ^−
+
0.6V ^−
PULSE BY PULSE
ONE SHOT
FAULT
LOGIC
LIMIT IN
Zero delay
DELAY
GND
Note that all switches in the block diagram are turned on when control signal is high.
VREF
Circuit Bias
VREF
OUT-A
VREF
VREF
DELAY-1
OUT-B
OUT-C
VREF
DELAY-2
OUT-D
VREF
OUT-E
VREF
DELAY-3
OUT-F
Rev.5.0, Mar.15.2004, page 3 of 29