PAM2800 Datasheet, PDF (1/7 Pages) Power Analog Micoelectronics – High Power White LED Driver

Features
n High Efficiency 92%
n Up to 350mA Constant Source Current
n Low Quiescent Current: Typ. 65 μA
n 0.5μA Shutdown Current
n Short Circuit Protection
n Open Load LED Protection
n Thermal Protection
n Space Saving Package SOT23-5
n Pb-Free Package
Applications
n High Power White LED Driver
Typical Application Circuit
PAM2800
High Power White LED Driver
General Description
The PAM2800 is a high power white LED driver
with 350mA constant rated source current. It
features high efficiency and low quiescent current,
making it ideal for battery powered applications.
Efficiency vs Supply Voltage
100
IN
VIN _PAM2800VOUT
95
90
EN GND FB
R1
85
C_O
80
C_IN
1W
2.2μF
1μF
R2
WLED
75
70
R_S
65
60
4.8
4.5
4.2
3.9
3.6
3.3
Supply Voltage(V)
Figure 1
Power Analog Microelectronics,Inc
www.poweranalog.com
1
09/2008 Rev 1.1