LTC3722-1 LINER [Linear Technology], LTC3722-1 Datasheet - Page 9

• Manufacturer Part Number: LTC3722-1
• Description: Synchronous Dual Mode Phase Modulated Full Bridge Controllers
• Manufacturer: LINER [Linear Technology]

BLOCK DIAGRA S
COMP
RAMP
SS
CS
FB
6
1.2V
4
2
7
3
10.25V = ON
650mV
–
+
V
BLANK
6V = OFF
270mV
650mV
CC
V
+
–
18
UVLO
CC
AMPLIFIER
ERROR
+
–
+
–
SHUTDOWN
CURRENT
LIMIT
5V
UVLO
PULSE BY PULSE
CURRENT LIMIT
12 A
50k
R1
12
M2
W
–
V
+
REF
SYSTEM
UVLO
–
+
REF AND LDO
QB
Q
REF GOOD
MODULATOR
FAULT
LOGIC
GOOD
V
1.2V
V
5V
PHASE
14
LTC3722-2 Voltage Mode SYNC Phase Shift PWM
REF
CC
R
S
1 = ENABLE
0 = DISABLE
GND
OSC
C
24
23
T
T
S
R
SYNC
QB
QB
1
Q
SPRG
LTC3722-1/LTC3722-2
13
DPRG
5
SBUS
10
RECTIFIER
PASSIVE
ACTIVE
DELAY
DELAY
DRIVE
LOGIC
SYNC
3722 • BD02
372212i
OUTD
PGND
9
OUTA
OUTB
OUTE
OUTF
OUTC
ADLY
PDLY
21
20
16
15
19
17
11
22
9