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HV9910DB1 Off-Line, High Brightness, LED Driver Demo Board

Board Layout and Connections

HV9910DB1 Off-Line, High Brightness, LED Driver Demo Board
General Description
Specifications
Board Layout and Connections
90-135Vac 60Hz
Enable Connection PWM Dimming (optional)
HV9910DB1
Instructions
Testing HV9910DB1 Connect the LED string to the output terminals. Check the polarity of the LED connection, anode end of the string should be connected to the positive output, cathode should
HV9910DB1
Schematic Diagram
V+ V+ C1 100uF, 160V D21 FR1G-13 F1 AC INPUT 2A, 125V 1 2 NTC1
C11 1uF, 250V
U2 AC1 POS NEG D20 FR1G-13
12 R2 178K 13 9 C7 0.1uF, 25V
RT GATE
R1 464K Q5
C13 0.1uF, 250V
HV9910B
HD EN IRF840 (D2PAK)
0.1uF, 250V
C4 2.2uF, 16V
D19 FR1G-13
100uF, 160V
GND R4 0.27 R6 0.27
Bill of Materials
HV9910DB1
Top Layer
Bottom Layer