SP6687 Datasheet, PDF (4/12 Pages) Sipex Corporation – 4 Channel Charge Pump White LED Driver

PIN DESCRIPTION
PIN #
1
2
PIN NAME
EN
Chip Enable (Active High)
DESCRIPTION
CTRL0
Output Control Bit 0 (See table 1)
3
4
5
6
7
8
9
10
11
12
13 to 16
Exposed
Pad
CTRL1 Output Control Bit 1 (See table 1)
CTRL2
I_SET
V_OUT
V
IN
C1P
C1N
C2N
C2P
GND
LED1 to 4
Output Control Bit 2 (See table 1)
LED current is set by the value of the resistor R connected from the I pin
SET
SET
to ground. Do not short the I_SET pin. Voltage for I_SET is typically 1.1V.
Output Voltage Source for connection to the LED anodes.
Power Input Voltage
Positive Terminal of Bucket Capacitor 1
Negative Terminal of Bucket Capacitor 1
Negative Terminal of Bucket Capacitor 2
Positive Terminal of Bucket Capacitor 2
Ground
Current Sink for LED. (If not in use, pin may be left open, grounded, or
connected to V_IN)
GND
Exposed pad should be soldered to PCB board and connected to GND
Date: 11/15/05
12 11 _{10 9}
LED4 13
8 C1P
LED3 ¹⁴
LED2 15
GND
7 _VIN
6 _VOUT
LED1 16
5 _ISET
1 23 4
Pin 1
Orientation
TOP VIEW
SP6687 4Channel Charge Pump White LED Driver
4
© Copyright 2005 Sipex Corporation