ISL8540 View Datasheet(PDF) - Renesas Electronics
Part Name
Description
Manufacturer
ISL8540 Datasheet PDF : 17 Pages
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ISL8540
VIN 9V TO 40V
C9 + C4
150µF 0.1µF
PGND
VIN
R1
20k
C3
1µF C1
470pF
VIN
VIN
VIN
VIN
LX
LX
BOOT
EN
VCC5
LX
LX
ISL8540
PGND
PGOOD
SYNC
REF
RTCT
COMP
SGND
FB
SS
C5
0.1µF
C1
0.1µF
C10
100pF
R4
301k
L1
15µH
D1
B260
C8
470µF
+
R2
51.1k
R5
C11 100k
1µF VCC5
OUTPUT
5V
C7
100pF
R6
5.62k
C6
390pF
R3
16.2k
FIGURE 2. TYPICAL SCHEMATIC FOR ISL8540 (5V VOUT)
VIN 18V TO 40V
PGND
C9 + C4
150µF 0.1µF
VIN
R1
20k
C3
1µF C1
470pF
VIN
VIN
LX
LX
BOOT
EN
VCC5
SYNC
RTCT
SGND
VIN
VIN
LX
LX
ISL8540
PGND
PGOOD
REF
COMP
FB
SS
C5
0.1µF
C1
0.1µF
L1
22µH
D1
B260
C8 +
470µF R2
51.1k
C10
100pF
R5
C11
100k
1µF
VCC5
OUTPUT
12V
C7
330pF
R6
5.62k
R4
390k
C6
820pF
R3
5.62k
FIGURE 3. TYPICAL SCHEMATIC FOR ISL8540 (12V VOUT)
FN6495 Rev 5.00
September 9, 2008
Page 6 of 17
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