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High Power White LED Driver
PAM2800
Features
n n n n n n n n n High Efficiency 92% Up to 350mA Constant Source Current Low Quiescent Current: Typ. 65 μ A 0.5 μ A Shutdown Current Short Circuit Protection Open Load LED Protection Thermal Protection Space Saving Package SOT23-5 Pb-Free Package
General Descriptio n
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.
Applications
n High Power White LED Driver
Typical Application Circuit
Efficiency vs Supply Voltage
100
IN
VIN
Efficiency(%)
VOUT PAM2800 EN GND FB
C IN 1μF
95
R1
CO 2.2 μ F
90 85 80 75 70
RS
R2
1W WLED
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65 60 4.8 4.5 4.2 3.9 3.6 3.