AP5004

PWM CONTROL 2.5A STEP-DOWN CONVERTER

AP5004

Document number: DS31444 Rev. 5 - 2

4 of 11

www.diodes.com

August 2010

© Diodes Incorporated

Symbol

Parameter

Conditions

Min

Typ.

Max

Unit

Feedback Voltage

0.780

0.8

0.820

V

Input Voltage

10

-

32

V

Standby Current

-

2

-

µA

∆V

Line Regulation

-

±1.0

±1.5

%/V

∆V

Load Regulation

-

1

1.5

%

Oscillation Frequency

Measure waveform at SW pin

240

300

360

KHz

Frequency of Current Limit or

Short Circuit Protect

Measure waveform at SW pin

-

50

-

KHz

DC

Maximum Duty Cycle

-

90

-

%

Minimum Duty Cycle

-

0

-

%

EN Pin Logic Input Threshold

Voltage

Regulator ON

2.0

-

-

V

Regulator OFF

-

-

0.8

EN Pin Input Leakage Current

-

20

-

µA

-

-10

-

µA

-

80

120

m

Ω

Current Limit

3.5

-

-

A

η

Efficiency

-

90

-

%

θ

JA

Thermal Resistance Junction-

to-Ambient

SOP-8L (Note 3)

-

124

-

θ

JC

Thermal Resistance Junction-

to-Case

SOP-8L (Note 3)

-

25

-

Notes:

3. Test condition for SOP-8L: Device mounted on 2oz copper, minimum recommended pad layout, FR-4 PCB.