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AP1184

4A ULTRA LOW DROPOUT POSITIVE ADJUSTABLE OR FIXED-MODE REGULATOR

Diodes Incorporated. 

AP1184

4A ULTRA LOW DROPOUT POSITIVE ADJUSTABLE OR

FIXED-MODE REGULATOR

Electrical Characteristics ( Under Operating Conditions )

Unless otherwise specified, these specifications apply over, Cin = 1uF, Cout = 10uF, and Tj = 0 to 150oC. Typical value refer to TA = 25oC.

Vout = Vsense.

Sym. Parameter

VREF Reference Voltage

Line Regulation

Vout Output Voltage

Load

Regulation

Test Condition

AP1184-Adj

AP1184-XXX

Io =10mA, TA = 25oC, (Vin-Vout) = 0.7V,

Vctrl = VIN+1V

IO = 10mA, VOUT+0.7V<VIN<12V, TA = 25oC

Vctrl = VIN+1V

AP1184-1.5 IOUT = 10mA, TA = 25oC, 2.2V≦VIN≦12V

Vctrl = VIN+1V

AP1184-1.8 IOUT = 10mA, TA = 25oC, 2.5V≦VIN≦12V

Vctrl = VIN+1V

AP1184-2.5 IOUT = 10mA, TA = 25oC, 3.2V≦VIN≦12V

Vctrl = VIN+1V

AP1184-3.3 IOUT = 10mA, TA = 25oC, 4.0V≦VIN≦12V

Vctrl = VIN+1V

AP1184-5.0 IOUT = 10mA, TA = 25oC, 5.7V≦VIN≦12V

Vctrl = VIN+1V

AP1184-Adj

0mA<Io<4A, TA= 25oC

(VIN - VOUT) =2V ,Vctrl = VIN + 1V

AP1184-1.5

VIN = 3V, 0mA<Io<4A, TA = 25oC

Vctrl = 4V

AP1184-1.8

VIN = 3.3V, 0mA<Io<4A, TA = 25oC

Vctrl = 4.3V

AP1184-2.5

VIN = 4V, 0mA<Io<4A, TA = 25oC

Vctrl = 5V

AP1184-3.3

VIN = 5V, 0mA<Io<4A, TA = 25oC

Vctrl = 6V

AP1184-5.0

VIN = 8V, 0mA<Io<4A, TA = 25oC

Vctrl = 9V

Min. Typ. Max. Unit

1.225 1.250 1.275 V

0.2 %

1.470 1.500 1.530 V

1.764 1.800 1.836 V

2.450 2.500 2.550 V

3.235 3.300 3.365 V

4.900 5.000 5.100 V

1

%

12 15 mV

15 18 mV

20 25 mV

26 33 mV

40 50 mV

Dropout Voltage

(Vctrl –Vout)

Vadj = 0V for all conditions below.

Vin = 2.05V, Io = 1.5A

Vin = 2.05V, Io = 3A

Vin = 2.05V, Io = 4A

1.15

1.18

V

1.10 1.25

Dropout Voltage

(Vin – Vout)

Vadj = 0V for all conditions below.

Vctrl = 2.75V, Io = 1.5A

Vctrl = 2.75V, Io = 3A

Vctrl =2.75V, Io =4A

0.26 0.38

0.50 0.60

V

0.70 0.85

Current Limit

Vctrl = 2.75V, Vin = 2.05V, ∆Vo = 100mV, Vadj = 0V

4.2

A

Minimum Load

Current

Vctrl = 5V, Vin = 3.3V, Vadj = 0V

5

10 mA

Thermal Regulation 30mS Pulse

0.01 0.02 %/W

Ripple Rejection

Vctrl = 5V, Vin = 5V, Io = 4A, Vadj = 0V, Tj = 25, Vripple =1Vpp

at 120Hz

60

70

dB

Vadj = 0V for all conditions below.

Control Pin Current

Vctrl = 2.75V, Vin = 2.05V, Io = 1.5A

Vctrl = 2.75V, Vin = 2.05V, Io = 3A

6

25

30 60 mA

Vctrl = 2.75V, Vin = 2.05V, Io = 4A

33 70

AP1184 Rev. 1

4 of 12

www.diodes.com

MARCH 2007

© Diodes Incorporated

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