LTC3786 LINER [Linear Technology], LTC3786 Datasheet - Page 37

• Manufacturer Part Number: LTC3786
• Description: Multi-Phase Current Mode Step-Up DC/DC Controller
• Manufacturer: LINER [Linear Technology]

Typical applicaTions
10nF
I
I
C
L1A
L2A
C1
10A/DIV
10A/DIV
5V/DIV
5V/DIV
V
+ I
+ I
V
R12
56k
R13
10k
RUN
OUT
OUT
100pF
L1B
L2B
D3
PBZ6.8B
C
C2
V
V
R
IN
OUT
L
= 12Ω
6.34k
= 12V
R
C1
= 12V
113k
R2
Q2
PMST5550
R9
220k
10nF
C
SS
12.4k
R1
Start-Up
R
66.5k
500µs/DIV
3V8
OSC
Q5
PMST5550
R5
10k
R27
22k
A 6V to 60V Input, 12V/6A Output 2-Phase SEPIC Application Circuit
PBSS9110T
Q3
D
SLOPE
BLANK
PHASEMODE
FREQ
SS
ITH
FB
SGND
CLKOUT
SYNC
PLLFLTR
MAX
LTC3862-2
BAS516
38622 TA04b
SENSE1
SENSE1
SENSE2
SENSE2
D4
INTV
38621 TA02a
GATE1
GATE2
PGND
91
90
89
88
87
86
85
84
83
82
81
80
RUN
3V8
V
NC
100
CC
IN
+
–
+
–
V
V
OUT
OUT
= 12V
6V TO 60V
1nF
C
1µF
C1
LOAD CURRENT (mA)
V
U1
IN
Efficiency
4.7µF
C
5× 2.2µF
100V
IN1-5
C2
1000
R3
845k
R11
249k
AC-COUPLED
BSC060N10NS3G
V
V
V
IN
IN
IN
38622 TA01b
= 6V
= 12V
= 14V
5A/DIV
1V/DIV
V
10000
I
OUT
OUT
10,11,12
V
V
∆I
C3
10nF
C4
10nF
Q1
IN
OUT
10
OUT
1,2,3
= 12V
VP5-0083-R
= 12V
3 × 2.2µF
= 1A TO 6A
•
CD1-3
100V
L1
10
R4
R6
0.004
•
4,5,6
7,8,9
Load Step
500µs/DIV
10,11,12
Q4
BSC060N10NS3G
R8
0.004
V8P10
D1
1,2,3
VP5-0083-R
3 × 2.2µF
CD4-6
100V
•
L2
•
4,5,6
7,8,9
LTC3862-2
C
6× 6.8µF
50V
OUT1-6
38622 TA04c
V8P10
D2
+
C
2× 150µF
16V
OUT 7-8
V
12V AT 6A
OUT
37
38622f