AP1084

5A LOW DROPOUT POSITIVE ADJUSTABLE OR

FIXED-MODE REGULATOR

AP1084 Rev. 9

5 of 11

JANUARY 2010

DS31070

www.diodes.com

Symbol

Parameter

Conditions

Min

Typ.

Max

Unit

Reference

Voltage

1.225

1.250

1.275

V

Line

Regulation

0.2

%

AP1084-1.5

1.470

1.500

1.530

V

AP1084-1.8

1.764

1.800

1.836

V

AP1084-2.5

2.450

2.500

2.550

V

AP1084-3.3

3.235

3.300

3.365

V

AP1084-5.0

4.900

5.000

5.100

V

Load

Regulation

AP1084-Adj

1

%

AP1084-1.5

(Note 3, 4)

12

15

mV

AP1084-1.8

15

18

mV

AP1084-2.5

20

25

mV

AP1084-3.3

26

33

mV

AP1084-5.0

(Note 3, 4)

40

50

mV

ΔVo

Dropout

Voltage

1.3

1.4

V

Current Limit

5.1

A

Minimum Load

Current

5

10

mA

Temperature

Stability

0.5

%

Thermal

Shutdown

Temperature

150

θ

JA

Thermal

Resistance

Junction-to-

Ambient

(Note 5)

TO220-3L

78

TO252-3L

73

TO263-3L

60

θ

JC

Thermal

Resistance

Junction-to-

Case (Note 5)

TO220-3L:Control Circuitry/Power Transistor

3.5

TO252-3L:Control Circuitry/Power Transistor

12

TO263-3L:Control Circuitry/Power Transistor

3.5

Notes:

3. See thermal regulation specifications for changes in output voltage due to heating effects. Line and load regulation are measured at a constant

junction temperature by low duty cycle pulse testing. Load regulation is measured at the output lead = 1/18” from the package.

4. Line and load regulation are guaranteed up to the maximum power dissipation of 15W. Power dissipation is determined by the difference

between input and output and the output current. Guaranteed maximum power dissipation will not be available over the full input/output range.

5. Test conditions for TO220-3L, TO252-3L and TO263-3L: Devices mounted on FR-4 substrate, single sided PC board, 2oz copper, with minimum

recommended pay layout, no air flow. The case point of

θ