SC1452XIMSTRT 查看數據表（PDF） - Semtech Corporation
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SC1452XIMSTRT Datasheet PDF : 15 Pages
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SC1452
POWER MANAGEMENT
Evaluation Board Schematic
J6
OUTA
J7
OUTB
J8
RSTA
J9
RSTB
J3
RIPPLE A
12345
J4
RIPPLE B
12345
R3
Open
R4
Open
C2
2.2uF
C3
2.2uF
JP4
150mA
1
2
Short
3
OUTA LOAD
R5
R6
(1)
(1)
JP5
1
150mA
2
3
Short
OUTB LOAD
U2
8
7
6
5
D
D
D
D
S
S
S
G
1
2
3
4
Si4410
J10
OUTB LOAD DRV
JP6
1
EN
2
3
OFF
OUTB LOAD
U3
8
7
6
5
D
D
D
D
S
S
S
G
1
2
3
4
Si4410
J11
OUTA LOAD DRV
JP7
1
EN
2
3
OFF
OUTA LOAD
U1
1 OUTA
2 OUTB
3 GND
4 RSTA
5 RSTB
IN 10
ENA 9
BYP 8
ENB 7
DLYB 6
SC1452xIMS
JP3
1
2
IQ MON
J1
J2
ENA
ENB
JP1
1
2
3
OUTA ENABLE
JP2
1
2
3
OUTB ENABLE
C4
C5
C6
1uF
10nF
10nF
R1 10k
R2 10k
NOTE:
(1) See table below for resistor values
Output Voltage
1.8
2.5
2.8
3.0
3.3
R (Ohms) (1W)
12
16
18
20
22
J12 J13 J14 J15 J16 J17 J18
GND GND GND GND GND GND GND
J5
VIN
+ C1
220uF
Evaluation Board Gerber Plots
Top Copper
2006 Semtech Corp.
Bottom Copper
13
www.semtech.com
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