LTC3370_15 Datasheet, PDF (14/24 Pages) Linear Technology – 4-Channel 8A Configurable Buck DC/DCs

LTC3370
Block Diagram
29 ^VCC
REF
BANDGAP _OT
UV
UVLO
RT
27
PLL/MODE
28
OSCILLATOR
4 _CLK
MODE
14 ^PGOODALL
SD
4 PGOOD
PGOOD LOGIC
EN1
31
FB1
32
10 ^EN2
9 ^FB2
EN3
15
16 ^FB3
EN4
26
FB4
25
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
11 12 13
GND
(EXPOSED PAD)
33
TEMP
MONITOR
TEMP
30
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
1
SWA ₂
V_INB
4
SWB ₃
V_INC
5
SWC ₆
V_IND
8
SWD ₇
V_INE
17
SWE ₁₈
V_INF
20
SWF ₁₉
V_ING
21
SWG
22
V_INH
24
SWH ₂₃
3370 BD
C3 C2 C1 BUCK1 BUCK2 BUCK3 BUCK4
0
0
0
2A
2A
2A
2A
0
0
1
3A
1A
2A
2A
0
1
0
3A
1A
1A
3A
0
1
1
4A
1A
1A
2A
1
0
0
3A 2A
–
3A
1
0
1
4A
–
2A 2A
1
1
0
4A
–
1A 3A
1
1
1
4A
–
–
4A
3370f
14
For more information www.linear.com/LTC3370