AN4003 View Datasheet(PDF) - Fairchild Semiconductor

Part Name

Description

Manufacturer

AN4003

PC POWER SUPPLY DESIGN WITH KA3511

Fairchild Semiconductor 

5. ELECTRICAL CHARACTERISTICS (continued)

Value

Characteristic

Symbol

Test Condition Min. Typ. Max. Unit

Over voltage protection for 5V

Over voltage protection for 12V

Input threshold voltage for PT

Under voltage protection for 3.3V

Under voltage protection for 5V

Under voltage protection for 12V

Charging current for UVP delay

UVP Delay Time

REMOTE ON/OFF SECTION

VOVP2

VOVP3

VPT

VUVP1

VUVP2

VUVP3

ICHG.UVP

TD.UVP

–

5.8 6.2 6.6 V

–

13.5 14.2 15.0 V

–

1.20 1.25 1.30

–

2.1 2.3 2.5 V

–

3.7 4.0 4.3 V

–

9.2 10 10.8 V

C=2.2µF, VTH =1.8V -10 -15 -23 uA

C=2.2µF

100 260 500 ms

REM on input voltage

REM off input voltage

REM off input bias voltage

REM on open voltage

REM on delay time

VREMH

VREML

IREML

VREM(OPEN)

Ton

IREM = -200µA

–

VREM =0.4V

–

C=0.1µF

2.0 – – V

– – 0.8 V

– – -1.6 mA

2.0 – 5.25 V

4 8 14 ms

REM off delay time

REMOTE ON/OFF SECTION(2)

Toff

C=0.1µF

16 24 34 ms

Detecting input voltage

Detecting V5 voltage

Hysteresis voltage 1

VIN(DET)

V5(DET)

HY1

–

–

COMP1, 2

1.20 1.25 1.30 V

4.1 4.3 4.5 V

10 40 80 mV

Hysteresis voltage 2

HY2

COMP3

0.6 1.2 – V

PG output load resistor

Charging current for PG delay

PG delay time

PG output saturation voltage

TOTAL DEVICE

RPG

ICHG.PG

TD.PG

VSAT(PG)

–

0.5 1 2 kΩ

C=2.2µF, VTH =1.8V -10 -15 -23 uA

C=2.2µF

100 260 500 ms

IPG =10mA

– 0.4 0.2 V

Standby supply current

ICC

–

– 10 20 mA

Notes:

1. These Parameters, although guaranteed over their recommended operating conditions are not 100%

tested in production.

2. REM on delay time (Pin6 REM: “L” → “H”),

REM off delay time (Pin6 REM: “H” → “L”)

Rev C, November 1999

7

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