PAM2842 Datasheet, PDF (3/17 Pages) Power Analog Micoelectronics – High Power LED Driver

PAM2842
High Power LED Driver
Block Diagram
HVIN
VDD-DR
Sense+
Sense-
EN
LDO1
LDO2
VDD_5V COMP
OV
SW SW
Comparator
-
PWM
+
PWM Logic
And Driver
100mV
Reference
FB
+
GM
-
Shutdown And
Soft-start
Σ
Ramp
Generator
Adjustable
Oscillator
+
CS
-
AGND
RT
PGND PGND
Power Analog Microelectronics,Inc
www.poweranalog.com
3
09/2008 Rev 1.1