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POWER MANAGEMENT
SC600
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.
Frequency selection is defi ned in Table 1 on page 9.
5 CX8
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.
Pin Descriptions
EN
CX8
CD4
GND
VIN
6
5
4
8
3
MODE
SELECT
DRIVERS
SWITCH
BLOCK
TIMER
COMPARATORS
VIN
VOUT
VREF
CX8
CD4
VIN
CF1+
CF1-
CF2+
CF2-
VOUT
2
9
10
7
1
EN
OSC
CLK/16
CLK/8
262kHz
650kHz
X
X
X
X
A
B
X
650kHz, 262kHz, 32kHz, or 8kHz
0
1
2
3
Block Diagram
