LP5526TLEV National Semiconductor, LP5526TLEV Datasheet - Page 10

• Manufacturer Part Number: LP5526TLEV
• Description: BOARD EVAL LP5526 LMU LED DRIVER
• Manufacturer: National Semiconductor
• Series: PowerWise®r

Specifications of LP5526TLEV

• Current - Output / Channel: 150mA
• Outputs And Type: 2 (25mA), 1 (150mA)
• Voltage - Output: 20 V
• Features: Camera Flash, Dimmable, RGB Controller
• Voltage - Input: 3 ~ 5.5V
• Utilized Ic / Part: LP5526
• Lead Free Status / RoHS Status: Not applicable / Not applicable

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Board Layout
Figure 11. LP5526 Evaluation board and layout picture
The evaluation board layers are:
1.
2.
3.
4.
For the good performance of the circuit, it is essential to place the input, output capacitors, the inductor and the schottky diode
very close to the circuit and use wide routing for those components. Sensitive components should be placed far from those com-
ponents with fast changing current. Decoupling capacitors should be close to circuit’s V
Good design practices for switching mode power supplies should be used. See Application Note AN 1149, Layout Guidelines for
Switching Mode Power Supplies.
Top, component side
Signal layer
GND plane
Bottom, solder side, V
DD_USB
20198216
10
DD
pins.
20198210