SC417/SC427
7
RTON
154K&
SC417/SC427
FB
1
FBL
2
V5V
3
AGND
4
VOUT
5
VIN
6
VLDO
7
BST
8
17
18
19
20
21
PGND
22
LX
23
LX
24
AGND
PAD 1
LX
PAD 3
RILIM
10K&
RLDO2
10K&
RLDO1
57.6K&
CIN
4 x 10礔
(see note)
RGND
0
1礔
CBST
1礔
VIN
+12V
Note:
V5V is tied to VLDO
PGND
PGND
PGND
PGND
PGND
+
10nF
CFF
100pF
RFB1
11K&
L1
0.88礖
RFB2
10K&
VOUT
1.05V @ 10A, 250kHz
COUT1
220礔
15m&
ENABLE/
PSAVE
ENABLE
LDO
+
COUT2
15m&
220礔
PGOOD
1礔
Component
Value
Manufacturer
Part Number
Web
CIN
4 x 10礔/25V
Murata
GRM32DR71E106KA12L www.murata.com
www.panasonic.com
COUT1,2 (option 1) 2 x 220礔/15m&
Panasonic
EEFUE0J221R
Key Components
All other small signal components (resistors and capacitors) are standard SMT devices.
www.nec-tokin.com
L1 (option 1)
0.88礖/2.3m&
NEC-Tokin
IHLP4040DZER1R0M11
www.vishay.com
L1 (option 2)
1.0礖/2.3m&
Vishay
MPC1040LR88C
COUT1,2 (option 2)
NOTE: The quantity of 10礔 input capacitors required varies with the application requirements.
www.panasonic.com
330礔/9m&
Panasonic
EEF-SX0E331ER
Detailed Application Circuit
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