SC1151 查看數據表（PDF） - Semtech Corporation
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SC1151 Datasheet PDF : 7 Pages
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POWER MANAGEMENT
Block Diagram
SC1151
VCC CS- CS+
VID4
VID3
VID2
VID1
VID0
VOSENSE
PWRGOOD
VCC
OVP
REF
SHUTDOWN
D/A
+
-
+
-
+
-
70mV
CURRENT
LIMIT
+
-
OSCILLATOR
R
Q
S
-
+
-
+
ERROR
AMP
LEVEL SHIFT AND
HIGH SIDE DRIVE
BST
DH
PGND
GND
EN
Evaluation Board Bill of Materials
Quantity Reference Part/Description Vendor
Notes
4
C1, C11-C13 0.1µF Ceramic
Various
9
C2-C10
1000µF/6.3V
SANYO
MV-GX or equiv. Low ESR
1
D1
PSR16C30CT
PHOTRON
1
L1
4µH
8 Turns 16AWG on MICROMETALS T50-52D core
1
Q1
IRL3302S
I.R.
Logic Level FET, ≤22mΩ, 30V
1
R1
5mΩ
IRC
OAR-1 Series
1
R2
10kΩ, 5%, 1/8W Various
1
R3
2.32k Ω, 1%, 1/8W Various
1
R4
1kΩ, 1%, 1/8W
Various
1
R5
10Ω, 5%, 1/8W
Various
1
U1
SC1151CS
SEMTECH
© 2000 Semtech Corp.
5
www.semtech.com
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