NCP1650EVB ON Semiconductor, NCP1650EVB Datasheet

NCP1650EVB

Manufacturer Part Number

NCP1650EVB

Description

Power Management IC Development Tools EVALUATION BOARD

Manufacturer

ON Semiconductor

Type

AC/DC Convertersr

Datasheet

1.NCP1650EVB.pdf (8 pages)

Specifications of NCP1650EVB

Product

Evaluation Boards

Tool Is For Evaluation Of

NCP1650

Input Voltage

85 V to 265 V

Output Voltage

400 V

Current page: 1 of 8
Download datasheet (62Kb)

AND8106/D

100 Watt, Universal Input,

PFC Converter

ON Semiconductor

General Description

features found on the NCP1650. This chip is capable of

controlling PFC converters well into the kilowatt range.

frequency operation in continuous and discontinuous modes

of operation. It has a wide variety of protection features,

including instantaneous current limiting, average current

limiting, and true power limiting.

an input source with a frequency range from 50 Hz to 60 Hz,

and a voltage range of 85 V

contained and includes a high voltage start-up circuit, and

bias supply that operates off of the boost inductor.

Features

Circuit Description

Start-Up Circuit

input line to begin operation, and then shuts down to allow

operation off of the bias winding, which reduces losses in the

circuit.

used for starting the NCP1650 when the chip is functional,

one is for bias power during shutdown operation, and the

third is the off state.

pass transistor will be high, and the FET will be fully

enhanced. The current into the V

be limited by the three 10 kW resistors in series with the FET.

February, 2003 - Rev. 2

This 100 watt converter demonstrates the wide range of

In addition to excellent power factor, this chip offers fixed

This unit will provide 400 V of well regulated power from

The start-up circuit allows the unit to use power from the

The start-up circuit has three modes of operation. One is

When power is initially applied to the unit, the gate of the

Fixed Frequency Operation

Shutdown Circuit

Operation Over the Universal Input Range

Multiple Protection Schemes

True Power Limiting

Start-Up and Bias Circuits Included

Semiconductor Components Industries, LLC, 2003

rms

to 265 V

capacitance at pin 1 will

rms

. It is fully self

enhanced. For this to occur, the gate to source voltage must

be greater than the gate threshold voltage. For this device

that value is nominally, 4.0 V. The zener breakdown voltage

is 18 V, so the FET will turn off at:

sequence, the bias supply voltage will also increase until the

source of the FET exceeds 14 V. At this point, the FET will

cease conduction, and all of the V

via the bias circuit from the power inductor.

will reduce its bias current to 0.5 mA and the start-up circuit

will then maintain a regulated voltage of approximately

14 V on the V

This circuit will provide current as long as the FET is

As the output capacitor is charged up during the turn-on

If the unit is commanded into the shutdown mode, the chip

Figure 1. Start-Up Circuit Schematic

FQP1N60

Vchg max + 18 V * 4.0 V + 14 Volts

NCP1650

1 mF

pin until the device becomes operational.

APPLICATION NOTE

10 k

http://onsemi.com

bias

10 k

MMSZ5248BT1

Publication Order Number:

power will be supplied

10 k

1.2 M

AND8106/D

out

Related parts for NCP1650EVB

NCP1650EVB Summary of contents

Page 1

... AND8106/D 100 Watt, Universal Input, PFC Converter ON Semiconductor General Description This 100 watt converter demonstrates the wide range of features found on the NCP1650. This chip is capable of controlling PFC converters well into the kilowatt range. In addition to excellent power factor, this chip offers fixed frequency operation in continuous and discontinuous modes of operation ...

Page 2

470 mH D2 C21 0.47 mF C20 V in 0.1 mF 470 Loop 178 k Comp R7 C22 7 3 Error 22 mF 0.1 mF FB/SD Amp + 6 ...

Page 3

... If this circuit is not being used, the terminals can be left open, as there is enough resistance built in to the circuit to keep the transistor (Q2) in it’s off state. PCB The printed circuit board Gerber files are located on the ON Semiconductor website under the name NCP650- PCB1. C25 Q1 C23 D7 ...

Page 4

... TDK TDK TDK TDK TDK TDK TDK TDK TDK Panasonic Vishay-Sprague TDK Panasonic Panasonic TDK ON Semiconductor ON Semiconductor ON Semiconductor ON Semiconductor Bussman Coiltronics TDK TDK Fairchild ON Semiconductor Fairchild Vishay Vishay Vishay Vishay Vishay Vishay Vishay Vishay Vishay Vishay Vishay Vishay Vishay Vishay Vishay ...

Page 5

... V 405.6 rms 220 V 405.4 rms 265 V 438.4 rms http://onsemi.com 5 Manufacturer Vishay Vishay Vishay Vishay Vishay ON Semiconductor www.onsemi.com Weidmuller Weidmuller Keystone Keystone HH Smith HH Smith HH Smith HH Smith Aavid Thermalloy Aavid Thermalloy 50 Watts 100 Watts 405.1 403.9 405.2 404.3 405.5 404 ...

Page 6

Table 4. Harmonics and Distortion THD (A) I fund Table 5. Efficiency Load in Pin Vo ...

Page 7

Notes AND8106/D http://onsemi.com 7 ...

Page 8

... Phone: 303-675-2175 or 800-344-3860 Toll Free USA/Canada Fax: 303-675-2176 or 800-344-3867 Toll Free USA/Canada Email: ONlit@hibbertco.com N. American Technical Support: 800-282-9855 Toll Free USA/Canada AND8106/D JAPAN: ON Semiconductor, Japan Customer Focus Center 2-9-1 Kamimeguro, Meguro-ku, Tokyo, Japan 153-0051 Phone: 81-3-5773-3850 ON Semiconductor Website: http://onsemi.com For additional information, please contact your local Sales Representative ...

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