Copyright

 ANPEC Electronics Corp. Rev. A.

Rev.A.1 - Dec., 2001

APW7055

www.anpec.com.tw

3

Electrical Characteristics

Thermal Characteristics

Symbol

Parameter

Value

Unit

R

JA

Thermal Resistance in Free Air

SOIC

75

65

°C/W

1. Recommended operating conditions, Unless otherwise noted.

2. Refer to Block and Simplified Power System Diagrams , and Typical Application Schematic.

APW 7055

Sym bol

Param eter

Test Conditions

Min.

Typ.

Max.

Unit

Supply Current

Nominal Supply Current

SD=0V, GATE Drive Open

7

I

CC

Shutdown Supply Current

SD=5V

2.7

mA

Power-on Reset

Rising VCC Threshold

Vocset=3V

4.2

4.6

V

CC

Falling VCC Threshold

Vocset=3V

3.6

V

V

OCSET

Rising V

1.26

V

Shutdown Input High

Voltage

2.0

V

SD

Shutdown Input Low Voltage

0.8

V

Oscillator

F

OSC

Free Running Frequency

185

200

215

kHz

∆V

OSC

Ramp Am plitude

1.9

V

PW M Controller Reference Voltage

V

DAC

DAC Voltage Accuracy

-1.5

+1.5

%

MEM 0-1 Input High Voltage

2.0

MEM 0-1 Input Low Voltage

0.8

V

Source-Sink Linear Controller

V

SOURCE

Source Regulation Voltage

-10mV 0.495VIN +10mV

V

SINK

Sink Regulation Voltage

-10mV 0.505VIN +10mV

V

I

Source

Source Drive Current

0.8

I

SINK

Sink Drive Current

0.8

mA

PW M Controllers Gate Drivers

1

I

UGATE

UGATE Source

1

A

3

R

GATE

UGATE Sink

3

3.5

Ω