NCP1271ADAPGEVB ON Semiconductor, NCP1271ADAPGEVB Datasheet

NCP1271ADAPGEVB

Manufacturer Part Number

NCP1271ADAPGEVB

Description

EVAL BOARD FOR NCP1271ADAPG

Manufacturer

ON Semiconductor

Datasheets

1.NCP1271P100G.pdf (21 pages)

2.NCP1271ADAPGEVB.pdf (1 pages)

3.NCP1271ADAPGEVB.pdf (10 pages)

Specifications of NCP1271ADAPGEVB

Design Resources

NCP1271 Adapter EVB BOM NCP1271ADAPGEVB Gerber Files NCP1271EVB Schematic

Main Purpose

AC/DC, Primary Side

Outputs And Type

1, Isolated

Voltage - Output

19V

Current - Output

Voltage - Input

85 ~ 265VAC

Regulator Topology

Flyback

Frequency - Switching

65kHz

Board Type

Fully Populated

Utilized Ic / Part

NCP1271

Silicon Manufacturer

On Semiconductor

Silicon Core Number

NCP1271

Kit Application Type

Power Management

Application Sub Type

PWM Controller

Peak Reflow Compatible (260 C)

Rohs Compliant

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

Power - Output

Lead Free Status / Rohs Status

Lead free / RoHS Compliant

Other names

NCP1271ADAPGEVBOS

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1/4/2007

Required Equipment

Test Procedure

* High Voltage is dangerous. Please be extra careful when dealing with high voltage.

1. >100VA 1-to-1 Isolated Transformer at AC line voltage

2. AC Power Supply with sinusoidal voltage output, 50 to 60 Hz, 85 to 264 Vac, at least 80 W

3. Digital Power Meter with low-power-range power consumption measurement capability

4. Oscilloscope or Voltmeter

5. NCP1271EVB Demo Board

6. Electronic Load that can handle at least 6.4 A 19 V 57 W

1. Connect the equipment as shown in the following figure.

2. The electronic load is will draw up to 3 A in constant current mode. Make sure that the wires connecting

3. Set the AC Power Supply to 85 Vac. Limit the maximum input current to 2 A.

4. Then, turn on the system and apply an 85 Vac input to the Demo Board with no load on the output.

5. Check if the output voltage is close to the nominal output 19 V and stable (no bouncing around). Note

6. Increase the load to 3A and check that the output voltage is 19 V.

7. Sweep the input voltage up to 264 Vac with 3A load on the output. Ensure that the output is 19 V and

8. Decrease the output load to 0.5 A and sweep the input voltage from 264 Vac to 85 Vac. Ensure that the

between the electronic load and demo board can handle 3 A current.

that there may be significant voltage drop across the output wire.

there is no noise.

output is 19 V and there is no noise.

Test Procedure for the NCP1271 (19 V 3 A) Evaluation Board

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