LTC3371_15 Datasheet, PDF (14/26 Pages) Linear Technology – 4-Channel 8A Configurable Buck DC/DCs with Watchdog and Power-On Reset

LTC3371
Block Diagram (Pin numbers reflect TSSOP package)
1 ^VCC
REF
BANDGAP _OT
RT
37
4 _CLK
PLL/MODE ^OSCILLATOR
38
MODE
UV
UVLO
SD
CT
22
WDI
20
WDO
21
RST1
3
RST2
16
RST3
23
36 ^RST4
CT
OSCILLATOR
WATCHDOG TIMER
STATE MACHINE
CT
CLOCK
DELAY
DELAY
RST LOGIC
4 PGOOD
DELAY
DELAY
EN1
4
FB1
5
15 ^EN2
14 ^FB2
24 ^EN3
25 ^FB3
EN4
35
34 ^FB4
SD REF CLK MODE
4
V_INB
BUCK REGULATOR 1
CONTROL
V_IND
BUCK REGULATOR 2
CONTROL
V_INE
BUCK REGULATOR 3
CONTROL
V_ING
BUCK REGULATOR 4
CONTROL
CONFIGURATION LINES
C1 C2 C3
17 18 19
GND
(EXPOSED PAD)
39
TEMP
MONITOR
TEMP
2
1A POWER
STAGE A
1A POWER
STAGE B
1A POWER
STAGE C
1A POWER
STAGE D
1A POWER
STAGE E
1A POWER
STAGE F
1A POWER
STAGE G
1A POWER
STAGE H
V_INA
6
SWA ₇
V_INB
9
SWB ₈
V_INC
10
SWC ₁₁
V_IND
13
SWD ₁₂
V_INE
26
SWE ₂₇
V_INF
29
SWF ₂₈
V_ING
30
SWG ₃₁
V_INH
33
SWH ₃₂
3371 BD
14
For more information www.linear.com/LTC3371
3371fa