CAT3606 Datasheet, PDF (2/11 Pages) Catalyst Semiconductor – 6-Channel Low Noise Charge Pump White LED Driver

CAT3606
1 mF
1 mF
Li−Ion
Battery ₊
−
C_IN
1 mF
ON/OFF
ENABLE
LED1−4
ENABLE
LED5−6
RSET
24 kW
C1+ C1− C2+ C2−
VIN
VOUT
CAT3606
EN
LED1
ENM
LED2
LED3
ENS
LED4
LED5
RSET
GND ^LED6
Main Display
Sub Display
C_OUT
1 mF
20 mA
Figure 1. Typical Application Circuit
Table 1. PIN DESCRIPTION
Pin #
Name
Function
1
LED6
LED6 cathode terminal
2
EN
Enable/shutdown input, active high
3
ENM
Enable “main” input for LED1 to LED4, active low
4
ENS
Enable “sub” input for LED5 and LED6, active low
5
RSET
The LED output current is set by the current sourced out of the RSET pin
6
VOUT
Charge pump output connected to the LED anodes
7
VIN
Supply voltage
8
C1+
Bucket capacitor 1 terminal
9
C1
Bucket capacitor 1 terminal
10
C2
Bucket capacitor 2 terminal
11
C2+
Bucket capacitor 2 terminal
12
LED1
LED 1 cathode terminal
13
LED2
LED 2 cathode terminal
14
LED3
LED 3 cathode terminal
15
LED4
LED 4 cathode terminal
16
LED5
LED 5 cathode terminal
PAD
GND
Ground reference
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