PFCfosc:110KHz

PWMfosc:90KHz

BlockDiagram

2000WFrontEndPowerSupply

FileName:RCP-2000-SPEC2011-05-09

LIMITING

ACTIVE

CURRENT

INRUSH

CONTROL

I/P

RECTIFIERS

&

FILTER

SWITCHING

POWER

RECTIFIERS

FILTER

EMI

PWM

CIRCUIT

DETECTION

POWER

AUX

&

PFC

FILTER

&

12V/0.8A

AUXPOWER

PFC

CONTROL

5V/0.3A

AC-OK

MCU

DETECTION

CIRCUIT

O.V.P.

MCU

O.T.P.

DA/DB

PV

DC-OK

T-Alarm

SDA/SCL

ON/OFF

PMBUS

FANFAIL

FAN

+V

-S

+S

RECTIFIERS

ORING

FET

-V

ORINGFET

CONTROL

TRANSCEIVERS

DATA

ISOLATION

FunctionD

ofCN501

escription

PinNo.

1,2,3,4

10

9

5,6,7,8

12,13

17

22

23

24

25

26

28

31

32

33

34

Note1:Non-isolatedsignal,referencedtotheoutputterminals(-V).

Note2:Isolatedsignal,referencedtoGND-AUX.

11

14

15

27

29

30

16,18,19,

20,21

Function

+V

+V

-V

-V

DA,DB

ON/OFF

NC

SDA

SCL

AC-OK

DC-OK

FAN-FAIL

GND-AUX

FG

AC/L

AC/N

PV

+S

-S

T-ALARM

+5V-AUX

+12V-AUX

A0,A1,A2,

A3,A4

Description

Positiveoutputvoltage

+VSignal

-VSignal

Negativeoutputvoltage.

Differentialdigitalsignalforparallelcontrol.(Note.1)

Theunitcanturntheoutputonandoffbyelectricalsignalordrycontact.(Note.2)

Notuse.

SerialDatausedinthePMBusinterface.(Note.2)

SerialClockusedinthePMBusinterface.(Note.2)

Low:Whentheinputvoltageis

87Vrms.High:whentheinputvoltagein

75Vrms.(Note.2)

High:WhentheVout

80% 5%.Low:WhenVout

80% 5%.(Note.2)

AuxiliaryvoltageoutputGND. Thesignalreturnisisolatedfromtheoutputterminals(+V&-V).

ACGroundconnection.

ACLineconnection.

ACNeutralconnection.

Connectionforoutputvoltagetrimming. Thevoltagecanbetrimmedwithinitsdefinedrange.(Note.1)

Positivesensing. The+Ssignalshouldbeconnectedtothepositiveterminaloftheload. The+Sand-Sleadsshouldbe

Negativesensing. The-Ssignalshouldbeconnectedtothenegativeterminaloftheload. The-Sand+Sleadsshouldbe

High:Whentheinternaltemperature(TSW1or TSW2open)exceedsthelimitoftemperaturealarm.

Auxiliaryvoltageoutput,4.5~5.5V,referencedtoGND-AUX(pin31). Themaximumloadcurrentis0.3A. Thisoutputhasthe

Auxiliaryvoltageoutput,10.8~13.2V,referencedtoGND-AUX(pin31). Themaximumloadcurrentis0.8A. Thisoutputhas

PMBusinterfaceaddresslines.(Note.1)

twistedinpairtominimizenoisepick-upeffect. Themaximumlinedropcompensationis0.5V.

twistedinpairtominimizenoisepick-upeffect. Themaximumlinedropcompensationis0.5V.

built-in"Oringdiodes"andisnotcontrolledbytheremoteON/OFFcontrol.

thebuilt-in"Oringdiodes"andisnotcontrolledbytheremoteON/OFFcontrol.