Copyright

© ANPEC Electronics Corp.

Rev. A.6 - Nov., 2010

APW7142

www.anpec.com.tw

4

Electrical Characteristics (Cont.)

APW7142

Symbol

Parameter

Test Conditions

Min.

Typ.

Max.

Unit

CURRENT-MODE PWM CONVERTER (CONT.)

Current-Sense to COMP Voltage

Transresistance

-

0.048

-

V/A

-

90

110

High-side Switch Resistance

-

70

90

m

Ω

-

90

110

Low-side Switch Resistance

-

70

90

m

Ω

PROTECTIONS

High-Side Switch Current-Limit

Peak Current

4.0

5.5

7.0

A

FB Under-Voltage Threshold

45

50

55

%

FB Over-Voltage Threshold

118

123

128

%

FB Under-Voltage Debounce

-

1

-

µs

Over-Temperature Trip Point

-

150

-

Over-Temperature Hysteresis

-

40

-

Dead-Time

-

20

-

ns

SOFT-START, SOFT-STOP, ENABLE AND INPUT CURRENTS

Soft-Start / Soft-Stop Interval

1.5

2

2.5

ms

EN Logic Low Voltage

-

-

0.5

V

EN Logic High Voltage

2.1

-

-

V

High-Side Switch Leakage Current

-

-

2

µA

FB Pin Input Current

-100

-

+100

nA

EN Pin Input Current

-100

-

+100

nA

Refer to the typical application circuits. These specifications apply over V

unless otherwise specified. Typical values are at T