UMLP Pin Configuration
4
1
5
16
8
13
9
12
Bottom View
Figure 3. UMLP-16, 0.5mm Pitch, 3mm x 3mm
Pin Definitions
Pin #
11
6
12
10,9
8,7
1, 2
15, 16
13, 14
4
5
3
Name
VIN
GND
VOUT
C1+, C1 –
C2+, C2 –
D2A, D1A
D4,D3
D6,D5
EN / PWM
SDA
SCL
Description
Input Supply Voltage . Connect to 2.7 – 5.5V DC input power source.
Ground
Charge Pump Output Voltage . Connect to LED anodes.
Charge pump flying capacitor #1
Charge pump flying capacitor #2
LED Outputs
Enable / PWM dimming input. By default, this pin acts as a simple enable / disable function.
When this pin is HIGH, normal operation is enabled. When LOW, the IC is reset and all functions
(including I 2 C communications) are disabled. By setting General Purpose register bit 7 = 1, the pin
functions as a PWM dimming input for Group A. To restore the Enable function, the General
Purpose register bit 7 must be set LOW.
I 2 C interface serial data
I 2 C interface serial clock
? 2010 Fairchild Semiconductor Corporation
FAN5702 ? Rev. 1.0.4
4
www.fairchildsemi.com
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