ISL8036 Просмотр технического описания (PDF) - Renesas Electronics
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ISL8036 Datasheet PDF : 26 Pages
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ISL8036, ISL8036A
TABLE 1. COMPONENT VALUE SELECTION FOR DUAL OPERATION
VOUT
C1
0.8V
2x22µF
1.2V
2x22µF
1.5V
2x22µF
1.8V
2x22µF
C2 (or C4)
2X22µF
2X22µF
2X22µF
2X22µF
L1 (or L2)*
1.0~2.2µH
1.0~2.2µH
1.0~2.2µH
1.0~3.3µH
R2 (or R5)
0
50k
87.5k
124k
R3 (or R6)
100k
100k
100k
100k
*For ISL8036A, the values used for L1 (or L2) are half the values specified above for each VOUT.
2.5V
2x22µF
2X22µF
1.0~3.3µH
212.5k
100k
TABLE 2. COMPONENT VALUE SELECTION FOR CURRENT SHARING OPERATION
VOUT
C1
0.8V
2x22µF
1.2V
2x22µF
1.5V
2x22µF
1.8V
2x22µF
2.5V
2x22µF
C2 (or C4)
2X22µF
2X22µF
2X22µF
2X22µF
2X22µF
L1 (or L2)*
1.0~2.2µH
1.0~2.2µH
1.0~2.2µH
1.0~3.3µH
1.0~3.3µH
R2
0
50k
87.5k
124k
212.5k
R3
100k
100k
100k
100k
100k
R6
30k
33k
31k
30k
29k
C6
250pF
180pF
150pF
150pF
150pF
*For ISL8036A, the values used for L1 (or L2) are half the values specified above for each VOUT.
NOTE: C5 value (22nF) is given by Equation 1 corresponding to the desired soft-start time.
PART NUMBER
ISL8036
ISL8036A
TABLE 3. SUMMARY OF DIFFERENCES
SWITCHING FREQUENCY
Internally fixed switching frequency FSW = 1MHz
Internally fixed switching frequency FSW = 2.5MHz
3.3V
2x22µF
2X22µF
1.0~4.7µH
312.5k
100k
3.3V
2x22µF
2X22µF
1.0~4.7µH
312.5k
100k
28k
150pF
FN6853 Rev 3.00
August 17, 2012
Page 3 of 26
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