AP1684

Document number: DS36547 Rev. 3 - 2

4 of 13

www.diodes.com

February 2014

© Diodes Incorporated

AP1684

A Product Line of

Diodes Incorporated

C, unless otherwise specified.)

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

UVLO Section

Start-up Threshold

–

18

19

20

V

Minimum Operating Voltage

After turn on

5.5

6.5

7.5

V

VCC OVP Voltage

–

30

32

34

V

–

VCC Delatch Voltage (Note 5)

–

3

4

5

V

Standby Current Section

Start-up Current

Before start up

–

–

20

μA

Operating Current

Static

–

900

1300

μA

Drive Output Section

Output Current (Note 5)

–

–

60

mA

UVLO Saturation Voltage

–

–

1.1

V

Current Sense Section

Current Sense Reference

–

–

1

–

V

Current Sense Reference

Clamp

–

1.2

1.4

–

V

–

700

–

1000

ns

Delay to Output (Note 5)

–

50

150

250

ns

Feedback Input Section

Feedback Pin Input Leakage

Current

–

–

4

μA

FB CV Threshold

–

3.8

4

4.2

V

FB OVP Threshold

–

4.5

6

7.5

V

Output Current

–

System Output Current on Final

Test Board

–

–

–

±2

%

Over Temperature Protection Section

–

Shutdown Temperature (Note 5)

–

+150

–

–

°C

–

Temperature Hysteresis (Note 5)

–

–

+20

–

°C

Note 5: These parameters, although guaranteed by design, are not 100% tested in production.