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ISL8225MEVAL4Z Datasheet(PDF) 14 Page - Renesas Technology Corp

Part # ISL8225MEVAL4Z
Description  Dual 15A/Single 30A Step-Down Power Module
PDF  34 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

ISL8225MEVAL4Z Datasheet(HTML) 14 Page - Renesas Technology Corp

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ISL8225M
FN7822 Rev 2.00
Page 14 of 34
December 8, 2014
FIGURE 20. DDR/TRACKING USE
FIGURE 21. 3.3V/5V VOLTAGE APPLICATION WITH THE FREQUENCY SET AT 900kHz
Typical Application Circuits (Continued)
2.5V
1.25V VDDQ/2
4.5V TO 20V
VDDQ
VTT
VDDQ
VIN
C2
1nF
ISL8225M
VIN1
SYNC
CLKOUT
VCC
ISHARE
VSEN1+
VSEN1-
EN/FF1
EN/FF2
VSEN2-
VSEN2+
VOUT1
VOUT2
PHASE1
PHASE2
MODE
VMON2
COMP1
PGOOD
COMP2
VMON1
VIN2
R6*
R7
1kΩ
C1
4.7µF
R8
324Ω
COUT2
CIN2
R5*
COUT1
1
14
8
15
16
7
17
3
19
5
20
2
23
22
21
25
26
18
4
12
10
24
69
*SET THE CLKOUT VOLTAGE CLOSE TO 0.612V.
SEE DETAILS IN “Functional Description” on page 23
4x22µF
3x100µF
3x100µF
R2
316Ω
R1
1kΩ
R4
931Ω
R3
1kΩ
CIN1
330µF
+
*SEE Table 1 on page 19 FOR
R5/R6 VALUES.
8V TO 20V
VIN
CIN2
R7
88.7kΩ
R5
7.15kΩ
R6
2.05kΩ
ISL8225M
VIN1
SYNC
CLKOUT
VCC
ISHARE
VSEN1+
VSEN1-
EN/FF1
EN/FF2
VSEN2-
VSEN2+
VOUT1
VOUT2
PHASE1
PHASE2
MODE
VMON2
COMP1
PGOOD
COMP2
VMON1
VIN2
C1
1
14
8
15
16
7
17
3
19
5
20
2
23
22
21
25
26
18
4
12
10
24
69
*SEE Figure 31, “RSYNC vs SWITCHING FREQUENCY,” ON
page 24 TO SELECT R7 FOR THE DESIRED FREQUENCY
OPERATION.
*SEE Figure 27 on page 22 FOR THE
FREQUENCY SETTING FOR I/O
CONDITIONS.
4x22µF
R2
221Ω
R1
1kΩ
R4
137Ω
R3
1kΩ
3.3V AT 10A
5V AT 10A
VOUT2
VOUT1
COUT2
COUT1
3x100µF
3x100µF
R1
1kΩ
R3
1kΩ
4.7µF
CIN1
330µF
+



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