AP2014/A

SYNCHRONOUS PWM CONTROLLER

AP2014/A Rev. 5

8 of 14

FEBRUARY 2009

www.diodes.com

Absolute Maximum Ratings

Symbol

Parameter

Rating

Unit

20

V

Vc

Vc Supply Voltage (not rated for inductive load)

32

V

Storage Temperature Range

-65 to +150

Operating Junction Temperature Range

0 to +125

θ

JC

Thermal Resistance Junction to Case

7

θ

JA

Thermal Resistance Junction to Ambient

160

Notes:

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

Electrical Characteristics

duty cycle pulse testing is used which keeps junction and case temperatures equal to the ambient temperature.

Symbol

Parameter

Conditions

Min.

Typ.

Max.

Unit

Reference Voltage

FB Voltage

AP2014

1.225

1.25

1.275

V

AP2014A

0.784

0.800

0.816

FB Voltage Line Regulation

5 < Vcc < 12

-

0.2

0.35

%

UVLO

Supply Ramping Up

4.0

4.2

4.4

V

-

0.25

-

V

Supply Ramping Up

3.1

3.3

3.5

V

-

0.2

-

V

UVLO FB

UVLO Threshold - FB

FB Ramping Down

(AP2014)

0.4

0.6

0.8

V

FB Ramping Down

(AP2014A)

0.3

0.4

0.5

V

UVLO Hysteresis - FB

-

0.1

-

V

Supply Current

Freq=200KHz,

-

7

10

mA

Freq=200KHz,

-

7

10

mA

SS=0V

-

3.3

6

mA

SS=0V

-

1

4.5

mA

Soft-Start Section

Charge Current

SS=0V

10

20

30

μA

Error Amp

FB Voltage Input Bias Current

SS=3V, FB=1V

-

-0.1

-

μA

FB Voltage Input Bias Current

SS=0V, FB=1V

-

-64

-

μA

gm

Transconductance

450

600

750

μmho

Oscillator

Freq

Frequency

AP2014

170

200

230

KHz

AP2014A

340

400

460

KHz

Ramp-Amplitude Voltage

1.225

1.25

1.275

V

Output Drivers

Rise Time

-

50

100

ns

Fall Time

-

50

100

ns

Dead Band Time

50

150

250

ns

Max Duty Cycle

FB=1V, Freq=200KHz

85

90

95

%

Min Duty Cycle

FB=1.5V

0

0

-

%