SC600 데이터 시트보기 (PDF) - Semtech Corporation
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SC600 Datasheet PDF : 19 Pages
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SC600
POWER MANAGEMENT
Pin Descriptions
Pin# Pin Name Pin Function
1
VOUT Output voltage regulated to 5.0V, 4.5V, or 4.0V.
2
CF1+ Positive terminal of bucket capacitor 1.
3
VIN
Input voltage ranging from 2.5V to 6.5V.
4
CD4
Bits select the charge pump operating frequency from 8kHz, 32kHz, 262kHz, and 650kHz.
5
CX8
Frequency selection is defined in Table 1 on page 9.
6
EN
Active high enable. Bias current is less than 1μA when set low.
7
CF2- Negative terminal of bucket capacitor 2.
8
GND Ground.
9
CF1- Negative terminal of buck capacitor 1.
10
CF2+ Positive terminal of bucket capacitor 2.
Block Diagram
VIN 3
EN 6
CX8 5
CD4 4
GND 8
CLK/16 X0
X
650kHz, 262kHz, 32kHz, or 8kHz
MODE
SELECT
DRIVERS
SWITCH
BLOCK
1 VOUT
EN
CLK/8
X1
OSC
262kHz
650kHz
X2
X3 A
B
VIN
VOUT
VREF
COMPARATORS
2 CF1+
9 CF1-
10 CF2+
7 CF2-
CX8
TIMER
CD4
VIN
© 2006 Semtech Corp.
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