NCP1351LEDGEVB ON Semiconductor, NCP1351LEDGEVB Datasheet

NCP1351LEDGEVB

Manufacturer Part Number

NCP1351LEDGEVB

Description

EVAL BOARD FOR NCP1351LEDG

Manufacturer

ON Semiconductor

Datasheets

1.NCP1351APG.pdf (27 pages)

2.NCP1351LEDGEVB.pdf (11 pages)

3.NCP1351LEDGEVB.pdf (3 pages)

Specifications of NCP1351LEDGEVB

Design Resources

NCP1351 EVB BOM NCP1351LEDGEVB Gerber Files NCP1351LED EVB Schematic

Current - Output / Channel

700mA

Outputs And Type

1, Isolated

Voltage - Output

33V

Features

Short-Circuit Protection

Voltage - Input

85 ~ 265 V

Utilized Ic / Part

NCP1351

Core Chip

NCP1351

Topology

Flyback

No. Of Outputs

Output Current

700mA

Output Voltage

33V

Development Tool Type

Hardware - Eval/Demo Board

Leaded Process Compatible

Yes

Rohs Compliant

Yes

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

For Use With/related Products

NCP1351LEDG

Other names

NCP1351LEDGEVBOS

Current page: 1 of 3
Download datasheet (139Kb)

Introduction:

The NCP1351 LED Driver Board is a universal input, off-line power supply intended to provide

a constant current output with a maximum “header” voltage for powering strings of LEDs. The

output has a constant current, constant voltage profile. While the user can adjusted the output

current and maximum voltage by changing a few discrete components, as shipped the board is

designed to provide a nominal output current of 700mA and has a maximum voltage of 34 Vdc.

A typical curve of the current regulation versus output voltage is illustrated below.

Test Equipment Required:

2/5/2009

1. Adjustable, isolated AC power source capable of zero to 265 Vac output and up to 500

2. Digital volt/amp meters to measure output current and voltage to the electronic load.

3. A variable electronic load or rheostat capable of up to a 2 amp load at 40 volts. If an

4. Oscilloscope with probe to monitor output ripple on the demo converter.

0.8

0.7

0.6

0.5

0.4

0.3

0.2

0.1

mA. AC source should have the capability of measuring output power in watts. If not, an

AC line analyzer or AC wattmeter should be used. Wattmeter should be capable if

reading down to 50 mW (for standby power measurements.)

electronic load is used it is preferable to have it operate in a constant resistance load

mode.

Test Procedure for the NCP1351LEDEVB Driver

3.5

NCP1351LED Current Regulation Versus Forward Voltage

10.5

Evaluation Board

LED Forward Voltage (Vf)

Vin = 115 / 230 Vac, Ta = 25 C

17.5

- 1 -

230 Vac

115 Vac

24.5

31.5

www.onsemi.com

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NCP1351LEDGEVB Summary of contents

Page 1

Test Procedure for the NCP1351LEDEVB Driver Introduction: The NCP1351 LED Driver Board is a universal input, off-line power supply intended to provide a constant current output with a maximum “header” voltage for powering strings of LEDs. The output has a ...

Page 2

Setup Procedure: Set the equipment as shown in the diagram on the next page so that the output voltage and current to the demo board can be measured. The oscilloscope should be set up so that the output ripple can ...

Page 3

Adjust the AC input to 230 Vac and repeat tests (3) through (7). 10. Set the electronic load to zero and switch the AC source off. End of Test. 2/5/2009 - 3 - www.onsemi.com ...

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