Copyright

© ANPEC Electronics Corp.

Rev. A.2 - Jan., 2008

APW7136A/B/C

www.anpec.com.tw

3

Electrical Characteristics (Cont.)

APW7136A/B/C

Symbol

Parameter

Test Condition

Min.

Typ.

Max.

Unit

REFERENCE AND OUTPUT VOLTAGES

237

250

263

Regulated Feedback Voltage

230

-

270

mV

FB Input Current

-50

-

50

nA

INTERNAL POWER SWITCH

Switching Frequency

FB=GND

0.8

1.0

1.2

MHz

Power Switch On Resistance

-

0.6

-

Ω

Power Switch Current Limit

0.7

0.9

1.2

A

LX Leakage Current

-1

-

1

µA

LX Maximum Duty Cycle

92

95

98

%

OUTPUT OVER VOLTAGE PROTECTION

APW7136A

-

20

-

APW7136B

-

28

-

Over Voltage Threshold

APW7136C

-

35

-

V

OVP Hysteresis

-

3

-

V

OVP Leakage Current

-

-

50

µA

ENABLE AND SHUTDOWN

EN Voltage Threshold

0.4

0.7

1

V

EN Voltage Hysteresis

-

0.1

-

V

EN Leakage Current

-1

-

1

µA

OVER-TEMPERATURE PROTECTION

Over-Temperature Protection

-

150

-

°C

Over-Temperature Protection

Hysteresis

-

40

-

°C

(Refer to Figure 1 in the “Typical Application Circuits”. These specifications apply over V

noted. Typical values are at T