Datasheet

Volt Meter 2
500V
DC Supply
Current
Meter 5
J1
J2
TP17
TP13
TP14
0 to 20V
Bias
Supply
5V, 300Hz
Square Wave Generator
100%,10% Duty Cycle
5V
0V
Volt Meter 1
Current
Meter 3
Current
Meter 2
Current
Meter 1
LED4 - LED4 +
Current
Meter 4
LED3 -
LED3 +
LED2 -
LED2 +
LED1 - LED1 +
TP1
TP2
Oscilloscope
Current Probe
Capable of Measuring2A
Current
Direction
TP5
4X 32 X (275mA LED Diode, Vf = 3.06V)
D1 D32
D1 D32
D1 D32
D1 D32
TP4
Volt Meter 3
TP7
TP6
Volt Meter 4
TP9
TP8
Volt Meter 5
TP11
TP10
www.ti.com Recommended Test Setups
6 Recommended Test Setups
Figure 3. Setup 1 Evaluate Current Sharing With 4 x 32 x 275-mA LED Strings
7
SLUU487A–March 2011–Revised March 2011 98-W Resonant LLC, 4-String LED Driver
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