ISL8022 데이터 시트보기 (PDF) - Renesas Electronics
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ISL8022
Renesas Electronics
ISL8022 Datasheet PDF : 18 Pages
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ISL8022
Typical Applications
IN P U T 2.8V TO 5.5V
C1
2 x 10µF
LX1
PGND
V IN
FB1
EN1
EN2
IS L 8 0 2 2
PG
SYNC
LX2
PGND
FB2
L1
1 .2 µ H
C2
22µF
R2
316k
OUTPUT1
2 .5 V /2 A
C3
10pF
R3
100k
L2
1.2µH
OUTPUT2
1.8V /1.7A
C4
22µF
R5
200k
C5
10pF
R6
100k
FIGURE 2. TYPICAL APPLICATION DIAGRAM - DUAL INDEPENDENT OUTPUTS
VOUT
C1
C2 (or C4)
C3 (or C5)
L1 (or L2)
R2 (or R5)
R3 (or R6)
0.8V
2x10µF
22µF
10pF
1.0~2.2µH
33k
100k
TABLE 1. COMPONENT VALUE SELECTION
1.2V
1.5V
1.8V
2x10µF
2x10µF
2x10µF
22µF
22µF
22µF
10pF
10pF
10pF
1.0~2.2µH
1.0~2.2µH
1.2~3.3µH
100k
150k
200k
100k
100k
100k
In Table 1, the minimum output capacitor value is given for
different output voltage to make sure the whole converter
system is stable. Output capacitance should increase to support
faster load transient requirement.
2.5V
2x10µF
22µF
10pF
1.2~3.3µH
316k
100k
3.3V
2x10µF
22µF
10pF
1.5~4.7µH
450k
100k
FN7650 Rev 3.00
March 14, 2013
Page 2 of 18
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