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ISL78208_14 Datasheet, PDF (5/24 Pages) Intersil Corporation – Wide VIN Dual Standard Buck Regulator with 3A/3A Continuous Output Current
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ISL78208
Typical Application Schematics
VOUT2
R5
25.5k
C4
68pF
R6
8.06k
C5
470pF
R8
69.8k
R2
8.06k
C2
470pF
R4
69.8k
R1
42.2k
C1
68pF
VOUT1
VOUT2
3A
24
25
VCC
VCC
VCC
FS 30
SS2 23
SS1 2
PGOOD2
26
L2
7µH
PGOOD1 31
PHASE2
18/19
C13
47µF
D2
B340B
C12
10nF
BOOT2 20
28 27
32
ISL78208
13
11 29 12
1
9/10 VIN1
15/16 VIN2
10µF C72
6/7 PHASE1
C8
5 BOOT1 10nF
C71
20µF
L1
7µH
C9
D1
47µF
B340B
VOUT1
3A
4.7µF
FIGURE 2. DUAL 3A OUTPUT (VIN RANGE FROM 4.5V TO 28V)
VOUT1
R5
42.2k
C4 R7
68pF 0
FB2
R6
8.06k
C5
1nF
R8
34k
COMP2
FB2
Css2
47nF
VOUT1
Css1
47nF
VCC
24 25
FS 30
SS2 23
SS1 2
PGOOD2 26
PGOOD1 31
L2
C13 7µH
47µF
D2
B340B
PHASE2 18/19
C12
10nF
20
BOOT2
28 27
32
ISL78208
13
11 29 12
1
9/10 VIN1
VIN2
15/16
10µF C72
PHASE1
6/7
C8
5 BOOT1 10nF
C71
20µF
L1
7µH C9
D1
47µF
B340B
VOUT1
6A
4.7µF
FIGURE 3. SINGLE 6A OUTPUT (VIN RANGE FROM 4.5V TO 28V) CURRENT SHARING
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5
FN8354.1
July 29, 2014
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