Linear Technology Analog Devices LTM4636-1, Manual, Page: 28 / 36

LTM4636
28
4636f
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Typical applicaTions
Figure 21. 2-Phase 1V, 80A Regulator Design
7.5k
0.47µF
34.8k
4.70V TO 15V
4.70V TO 15V
+ +
COMPA
COMPB
TK/SS
RUNC
RUNP
HIZREG
FREQ
MODE/PLLIN
SW
TEMP
+
TEMP
–
SNSP1 SNSP2 SGND
V
IN
34.8k
CLK
INTV
CC2
22µF
1V
80A
22µF
16V
× 4
C
SS
0.22µF
COMP
5V, PV
CC2
TK/SS
RUNC
RUNP
OPTIONAL TEMP MONITOR
FOR TELEMETRY READBACK ICs
INTV
CC
INTV
CC2
5V PV
CC2
U2
LTM4636
PV
CC
PGND
V
OUTS1
+
V
OUT
V
OUTS1
–
V
FB
V
FB
R
FB2
7.5k
4636 F21
TMON
VOLTAGE OUT TEMP MONITOR
470µF
6.3V
470µF
6.3V
100µF
6.3V
× 4
+
COMPA
COMPB
TK/SS
RUNC
RUNP
HIZREG
PHMODE
FREQ
MODE/PLLIN
CLKOUT
TMON
SW
V
OUT
TEMP
+
TEMP
–
SNSP1 SNSP2 SGND
V
IN
22µF
2200pF
VOLTAGE OUT
TEMP MONITOR
2.2Ω, 0805
22µF
16V
× 4
V
IN
≤ 5.5V, TIE V
IN
, INTV
CC
AND PV
CC
TOGETHER, TIE RUNP TO GND.
V
IN
> 5.5V, THEN OPERATE AS SHOWN
INTV
CC1
RUNC
RUNP
CLK
COMP
TK/SS
OPTIONAL TEMP MONITOR
FOR TELEMETRY READBACK ICs
INTV
CC
INTV
CC1
5V PV
CC1
U1
LTM4636
PV
CC
PGND
V
OUTS1
–
V
FB
V
FB
INTV
CC1
470µF
6.3V
+
470µF
6.3V
+
100µF
25V
100µF
6.3V
× 4
PINS NOT USED IN CIRCUIT LTM4636 U1:
GMON, PGOOD, PWM, TEST1, TEST2, TEST3,
TEST4, V
OSNS1
PINS NOT USED IN CIRCUIT LTM4636 U2:
GMON, PGOOD, PHMODE, PWM, TEST1, TEST2,
TEST3, TEST4
2200pF
2.2Ω, 0805
SGND
SGND
SGND
SGND
SGND
100pF