AP1084D datasheet(4/10 Pages) DIODES

4 / 10 page

AP1084

5A LOW DROPOUT POSITIVE ADJUSTABLE OR

FIXED-MODE REGULATOR

AP1084 Rev. 1

4 of 10

FEBRUARY 2007

www.diodes.com

Electrical Characteristics (Under Operating Conditions)

Sym.

Parameter

Conditions

Min.

Typ.

Max.

Unit

VREF

Reference Voltage Io = 10mA, TA = 25oC, (Vin-Vout) = 1.5V

1.225

1.250

1.275

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

Line

Regula

tion

AP1084-5.0

IOUT = 10mA, TA = 25

oC, 6.5V≦V

IN≦12V

4.900

5.000

5.100

AP1084-Adj

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

AP1084-1.5

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

(Note 4, 5)

AP1084-1.8

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

TA = 25

oC (Note 4, 5)

AP1084-2.5

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

TA = 25

oC (Note 4, 5)

AP1084-3.3

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

(Note 4, 5)

Load

Regula

tion

AP1084-5.0

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

(Note 4, 5)

∆Vo

Dropout Voltage

Io = 5.0A (∆Vout = 1% Vout)

1.3

1.4

Current Limit

Vin-Vout = 5V

5.1

Minimum Load

Current

Temperature

Stability

Io = 10mA

0.5

θJA

Thermal Resistance

Junction-to-Ambient

(No heat sink; No

air flow)

TO252-3L

TO263-3L

TO220-3L

OC/W

θJC

Thermal Resistance

Junction-to-Case

TO252-3L: Control Circuitry/Power Transistor

TO263-3L: Control Circuitry/Power Transistor

TO220-3L: Control Circuitry/Power Transistor

OC/W

Note:

4. 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.

5. 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.

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