Datasheet

34
LTC1703
1703fa
TYPICAL APPLICATIO S
U
V
CC
BOOST1
TG1
SW1
BG1
COMP1
FB1
SENSE
RUN/SS1
I
MAX1
BOOST2
FAULT
47k
47k
22k
11k
120pF
220pF
220pF
0.1µF
1µF
Q1
Q3
Q2
330pF
1Ω
1Ω
1Ω
10Ω
10Ω
1Ω
1703 TA04
V
OUT
1.3V TO 3.5V
25A
TG2
SW2
BG2
COMP2
FB2
RUN/SS2
I
MAX2
PV
CC
SGND
PGND
VID4:0
FCB
MBR
330T
L2
1µH
MBR
330T
MBR0530T
MBR0530T
LTC1703
MBR
0530T
Q4
Q6
Q5
120pF
+
10k
10k
0.003Ω
0.5W
0.003Ω
0.5W
V
IN
5V ±10%
11k
20k
10k
10k
330pF
0.1µF
1µF
0.1µF
10µF
–
+
LT
®
1006
0.1µF
+
470µF*
+
470µF*
470µF*
× 2
*KEMET T510X477M006AS
Q1 TO Q6: FAIRCHILD FDS6670A
L1, L2: MURATA LQT12535C1R5N12
+
470µF*
+
L1
1µH
FAULT
VID4:0
Single Output, 2-Phase, 25A VID Converter
(V
IN
= 5V, V
OUT
= 0.9V to 2.0V)