AP1084 datasheet(5/11 Pages) DIODES

5 / 11 page

AP1084

5A LOW DROPOUT POSITIVE ADJUSTABLE OR

FIXED-MODE REGULATOR

AP1084 Rev. 9

5 of 11

JANUARY 2010

DS31070

www.diodes.com

Electrical Characteristics (Under Operating Conditions)

Symbol

Parameter

Conditions

Min

Typ.

Max

Unit

VREF

Reference

Voltage

Io = 10mA, TA = 25

oC, (V

IN-VOUT) = 1.5V

1.225

1.250

1.275

Line

Regulation

AP1084-XXX IO = 10mA, VOUT+1.5V<VIN<12V, TA = 25

0.2

AP1084-1.5

IOUT = 10mA, TA = 25

oC, 3V≦V

IN≦12V

1.470

1.500

1.530

AP1084-1.8

IOUT = 10mA, TA = 25

oC, 3.3V≦V

IN≦12V

1.764

1.800

1.836

AP1084-2.5

IOUT = 10mA, TA = 25

oC, 4V≦V

IN≦12V

2.450

2.500

2.550

AP1084-3.3

IOUT = 10mA, TA = 25

oC, 4.8V≦V

IN≦12V

3.235

3.300

3.365

AP1084-5.0

IOUT = 10mA, TA = 25

oC, 6.5V≦V

IN≦12V

4.900

5.000

5.100

Load

Regulation

AP1084-Adj

VIN = 3.3V, 0mA<Io<5A, TA = 25

AP1084-1.5

VIN = 3V, 0mA<Io<5A, TA = 25

(Note 3, 4)

AP1084-1.8

VIN = 3.3V, 0mA<Io<5A

TA = 25

oC (Note 3, 4)

AP1084-2.5

VIN = 4V, 0mA < Io < 5A

TA = 25

oC (Note 3, 4)

AP1084-3.3

VIN = 5V, 0mA < Io < 5A, TA = 25

oC (Note 3, 4)

AP1084-5.0

VIN = 8V, 0mA < Io < 5A, TA = 25

(Note 3, 4)

ΔVo

Dropout

Voltage

Io = 5.0A (ΔVOUT = 1% VOUT)

1.3

1.4

Current Limit

VIN-VOUT = 5V

5.1

Minimum Load

Current

Temperature

Stability

Io = 10mA

0.5

TSD

Thermal

Shutdown

Temperature

150

Thermal

Resistance

Junction-to-

Ambient

(Note 5)

TO220-3L

OC/W

TO252-3L

TO263-3L

Thermal

Resistance

Junction-to-

Case (Note 5)

TO220-3L:Control Circuitry/Power Transistor

3.5

OC/W

TO252-3L:Control Circuitry/Power Transistor

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

JC is located on the thermal tab.

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