SC657ULTRT Semtech, SC657ULTRT Datasheet - Page 9

• Manufacturer Part Number: SC657ULTRT
• Description: Backlight Driver For 5 LEDs With SemPulseTM Interface
• Manufacturer: Semtech

Block Diagram
SPIF
GND
IN
12
5
6
SemPulse
and Logic
Interface
Control
Digital
C1+
Fractional Charge Pump
9
(1x, 1.5x, 2x)
C1-
Oscillator
Current
Setting
8
DAC
C2+
10
C2-
7
11
13
14
1
2
3
4
OUT
BL1
BL2
BL3
BL4
BL5
NC
SC657
9