ISL8225MIRZ-T Intersil, ISL8225MIRZ-T Datasheet - Page 12

• Manufacturer Part Number: ISL8225MIRZ-T
• Description: ISL8225M Series 20 Vin 1.5 Mhz Dual 15 A Single 30 A Step-Down Power Module
• Manufacturer: Intersil

Typical Application Circuits
*SEE TABLE 1 ON PAGE 17 FOR R5/R6
VALUES.
*SEE TABLE 1 ON PAGE 17 FOR R3/R4
VALUES.
VIN
VIN
330µF
330µF
CIN1
CIN1
4.5V TO 20V
4.5V TO 20V
+
+
4x22µF
4x22µF
CIN2
CIN2
R4*
R6*
12
R3*
R5*
470pF
C2
SEE “LAYOUT GUIDE” ON PAGE 23 FOR SHORTING SGND TO PGND
SEE “LAYOUT GUIDE” ON PAGE 23 FOR SHORTING SGND TO PGND
C1
4.7µF
C1
4.7µF
FIGURE 19. PARALLEL USE FOR SINGLE 1.5V/30A OUTPUT
FIGURE 18. DUAL OUTPUTS FOR 1.2V/15A AND 1.5V/15A
14
15
16
17
19
20
14
15
16
17
19
20
8
7
3
5
2
8
7
3
5
2
VIN1
VIN2
EN/FF1
EN/FF2
VCC
CLKOUT
MODE
ISHARE
SYNC
COMP1
COMP2
VIN1
VIN2
EN/FF1
EN/FF2
VCC
CLKOUT
MODE
ISHARE
SYNC
COMP1
COMP2
6
6
ISL8225M
ISL8225M
ISL8225M
9
9
PHASE1
PHASE2
PHASE1
PHASE2
VSEN1+
VSEN2+
VSEN1+
VSEN2+
PGOOD
PGOOD
VSEN1-
VSEN2-
VSEN1-
VSEN2-
VMON1
VMON2
VMON1
VMON2
VOUT1
VOUT2
VOUT1
VOUT2
23
22
21
25
26
1
18
4
12
10
24
23
22
21
25
26
1
18
4
12
10
24
(OPTIONAL)
(OPTIONAL)
665Ω
665Ω
SIZE:1210
1kΩ
SIZE:1210
R2*
R4*
VCC
R2
2Ω
2Ω
CFF
CFF
KELVIN REMOTE SENSING LINES
OPTIONAL SNUBBER FOR NOISE
ATTENUATION. SEE FIGURE 32,
“RECOMMENDED LAYOUT,” ON PAGE 23.
*SEE TABLE 4 ON PAGE 19, RESISTORS
SET ON VSEN+ AND VSEN- PINS.
2200pF
2200pF
1kΩ
R1
1kΩ
1kΩ
R3*
R1*
COUT
5x100µF
COUT1
2x47µF
COUT3
2x47µF
1.5V@30A
1.2V@15A
1.5V@15A
December 3, 2012
+
+
COUT2
330µF
COUT4
330µF
FN7822.0
LOAD
VOUT1
VOUT2
VOUT