ISL78236 Datasheet, PDF (4/24 Pages) Intersil Corporation – Dual 3A Current Sharing 2.5MHz High Efficiency Synchronous Buck Regulator

V_OUT
C1
C2
L1 (or L2)
R2 (or R5)
R3 (or R6)
V_OUT
C1
C2 (or C4)
L1 (or L2)
R2
R3
R6
C6
ISL78236
TABLE 1. COMPONENT VALUE SELECTION FOR DUAL OUTPUT OPERATION
1.2V
1.5V
1.8V
2.5V
2x22µF
2x22µF
2x22µF
2x22µF
4x22µF
4X22µF
4x22µF
4x22µF
0.5~1.1µH
0.5~1.1µH
0.5~1.68µH
0.5~1.68µH
50k
87.5k
124k
212.5k
100k
100k
100k
100k
TABLE 2. COMPONENT VALUE SELECTION FOR CURRENT SHARING OPERATION
1.2V
1.5V
1.8V
2.5V
2x22µF
2x22µF
2x22µF
2x22µF
2x22µF
2x22µF
2x22µF
2x22µF
0.5~1.1µH
0.5~1.1µH
0.5~1.68µH
0.5~1.68µH
50k
87.5k
124k
212.5k
100k
100k
100k
100k
33k
31k
30k
29k
180pF
150pF
150pF
150pF
3.3V
2x22µF
4x22µF
0.5~2.2µH
312.5k
100k
3.3V
2x22µF
2x22µF
0.5~2.2µH
312.5k
100k
28k
150pF
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FN8624.0
April 28, 2014