CAT3606
Block Diagram
1 m F
1 m F
C1 ?
C1+ C2 ?
C2+
Battery
V IN
3 V to 4.2 V
VIN
C IN
1 m F
1x mode (LDO)
1.5x Charge Pump
1 MHz
Oscillator
Mode Control
VOUT
C OUT
1 m F
EN
LED1
LED2
LED3
LED4
LED5
20 mA
1.2 V Ref
LED6
R SET
24 k W
RSET
Current
Setting
Main
Sub
6 Current
Sink Regulators
ENM
ENS
LED Output
Select
GND
Figure 2. CAT3606 Functional Block Diagram
http://onsemi.com
4
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