diodes incorporated AP1117 Service Manual

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Features

• 1.4V Maximum Dropout at Full Load Current

• Fast Transient Response

• Output Current Limiting

• Built-in Thermal Shutdown

• Good Noise Rejection

• 3-Terminal Adjustable or Fixed 1.5V, 1.8V, 2.5V, 3.3V,

• SOT223-3L, TO252-3L, SOT89-3L, TO263-3L and

• SOT223-3L and TO252-3L: Available in “Green”

• Lead Free Finish/RoHS Compliant (Note 1)

Applications

• PC Peripheral

• Communication

5.0V

TO220-3L Packages

Molding Compound (No Br, Sb)

AP1117

1A LOW DROPOUT POSITIVE ADJUSTABLE OR

FIXED-MODE REGULATOR

General Description

AP1117 is a low dropout positive adjustable or fixed-mode
regulator with 1A output current capability. The product is voltage
specifically designed to provide well-regulated supply for low IC
applications such as high-speed bus termination and low current

3.3V logic supply. AP1117 is also well suited for other
applications such as VGA cards. AP1117 is guaranteed to have
lower than 1.4V dropout at full load current making it ideal to
provide well-regulated outputs of 1.25 to 5.0 with 6.4V to 18V
input supply. AP1117 is available in both commercial and
industrial temperature grade.

Ordering Information

XX X X

A P 1 1 1 7

Package

D : TO252-3L
E : SOT223-3L

K : TO263-3L

T : TO220-3L
Y : SOT89-3L

Blank: Adj
15: 1.5V
18: 1.8V
25: 2.5V
33: 3.3V
50: 5.0V

Note: 1. Green is only for SOT223-3L and TO252-3L.

2. RoHS revision 13.2.2003. Glass and High Temperature Solder Exemptions Applied, see EU Directive Annex Notes 5 and 7.

Device

AP1117D D TO252-3L 80 -U 2500/Tape & Reel -13
AP1117E E SOT223-3L 75 -U 2500/Tape & Reel -13

Lead-free

Lead-free

Note: 3. Pad layout as shown on Diodes Inc. suggested pad layout document AP02001, which can be found on our website at
http://www.diodes.com/datasheets/ap02001.pdf.

Lead-free

AP1117K K TO263-3L 50 -U 800/Tape & Reel -13
AP1117T T TO220-3L 50 -U NA NA
AP1117Y Y SOT89-3L NA NA 2500/Tape & Reel -13

Package

Code

Packaging

(Note 3)

X

Lead Free

L : Lead Free

:

Green (Note 1)

G

Quantity

PackingVout

-U :

Tube

:

Taping

-13

Tube 13” Tape and Reel

Part Number

Suffix

Quantity

Part Number

Suffix

AP1117 Rev. 6 1 of 11 MARCH 2007

www.diodes.com © Diodes Incorporated

AP1117

Pin Assignments

SOT89-3L

3

2

1

Tab is Vout

TO220-3L

FRONT VIEW

3

2

1

Tab is V

Vin

Vout

Adj (GND)

out

V

in

V

out

Adj (GND)

1A LOW DROPOUT POSITIVE ADJUSTABLE OR

FIXED-MODE REGULATOR

SOT223-3L

( Top View )

3

Vin

Vout

2

1

Adj (GND)

TO252-3L / TO263-3L

Tab is Vout

( Top View )

3

2

1

Tab is Vout

Vin

Vout

Adj (GND)

Pin Descriptions

NAME I/O PIN # FUNCTION

Adj (GND) I 1

V

Vin

out

O 2

I 3

A resistor divider from this pin to the V

(Ground only for Fixed-Mode).

The output of the regulator. A minimum of 10uF capacitor (0.15Ω ≤ ESR ≤ 20Ω)

must be connected from this pin to ground to insure stability.

The input pin of regulator. Typically a large storage capacitor (0.15Ω ≤ ESR ≤ 20Ω)

is connected from this pin to ground to insure that the input voltage does not sag
below the minimum dropout voltage during the load transient response. This pin

must always be 1.3V higher than V

pin and ground sets the output voltage

out

in order for the device to regulate properly.

out

AP1117 Rev. 6 2 of 11 MARCH 2007
www.diodes.com © Diodes Incorporated

AP1117

Block Diagram

3

V

in

Thermal

Shutdown

1A LOW DROPOUT POSITIVE ADJUSTABLE OR

FIXED-MODE REGULATOR

2

V

out

+

+

-

1.25V

CURRENT

LIMIT

+

-

+

1

GND

(FIXED)

1

Adj

Absolute Maximum Ratings

Symbol Parameter Rating Unit

Vin DC Supply Voltage -0.3 to 18 V

TOP

TMJ Maximum Junction Temperature 150

PD

TST Storage Temperature -65 to +150

Note: 4. AP1117 contains an internal thermal limiting circuit that is designed to protect the regulator in the event that the maximum junction temperature

exceeded. When activated, typically at 150°C, the regulator output switches off and then back on as the die cools.

AP1117 Rev. 6 3 of 11 MARCH 2007
www.diodes.com © Diodes Incorporated

Operating Junction Temperature Range
(Commercial Grade)

Power Dissipation

SOT89-3L
SOT223-3L
TO220-3L
TO252-3L
TO263-3L

0 to +125

Internally limited by

maximum junction

temperature

of 150 oC (Note 4)

o

C

oC

mW

o

C

θ

θ

AP1117

1A LOW DROPOUT POSITIVE ADJUSTABLE OR

FIXED-MODE REGULATOR

Electrical Characteristics (Under Operating Conditions)

PARAMETER CONDITIONS MIN TYP MAX UNIT

= 25oC, (VIN-

T

Reference Voltage AP1117-ADJ

AP1117-1.5

AP1117-1.8

Output Voltage

AP1117-2.5

AP1117-3.3

AP1117-5.0

Line Regulation AP1117-XXX

AP1117-ADJ

AP1117-1.5

AP1117-1.8

Load Regulation

AP1117-2.5

AP1117-3.3

AP1117-5.0

Dropout Voltage

IN-VOUT

)

(V

Current Limit

Minimum Load Current
(Note 7)

AP1117-ADJ/1.5/1.8
/2.5/3.3/5.0

AP1117-ADJ/1.5/1.8
/2.5/3.3/5.0

AP1117-XXX

A

= 10mA

I

O

= 10mA, TA = 25oC,

I

OUT

≦12V

3V≦V

IN

= 10mA, TA = 25oC,

I

OUT

3.3V≦V

IN

= 10mA, TA = 25oC,

I

OUT

≦12V

4V≦V

IN

= 10mA, TA = 25oC,

I

OUT

4.8V≦V

IN

= 10mA, TA = 25oC,

I

OUT

6.5V≦V

IN

I

= 10mA,V

O

= 25oC

T

A

=3.3V,Vadj=0,0mA<Io<1A,

V

IN

= 25oC (Note 5, 6)

T

A

= 3V, 0mA<Io<1A,

V

IN

= 25oC (Note 5, 6)

T

A

= 3.3V, 0mA<Io<1A,

V

IN

= 25oC (Note 5, 6)

T

A

= 4V, 0mA<Io<1A,

V

IN

= 25oC (Note 5, 6)

T

A

V

= 5V, 0≦I

IN

= 25oC (Note 5, 6)

T

A

V

= 8V, 0≦I

IN

= 25oC (Note 5, 6)

T

A

= 1A, ∆V

I

OUT

(V

0

) = 5V 1. 1 A

IN-VOUT

o

C≦Tj≦125oC

Thermal Regulation TA = 25oC, 30ms pulse 0.008 0.04 %/W

Ripple Rejection

F = 180Hz, C
AP1117-XXX V

= 25uF Tantalum, I

OUT

= V

IN

OUT

+3V 60 70 dB

Temperature Stability IO = 10mA 0.5 %

SOT223-3L: Control Circuitry/Power Transistor (Note 8)

Thermal Resistance

JA

Junction-to-Ambient

TO252-3L: Control Circuitry/Power Transistor (Note 9)
SOT89-3L: Control Circuitry/Power Transistor (Note 10)
TO220-3L: Control Circuitry/Power Transistor (Note 11)
TO263-3L: Control Circuitry/Power Transistor (Note 12)

SOT223-3L: Control Circuitry/Power Transistor (Note 8)

Thermal Resistance

JC

Junction-to-Case

TO252-3L: Control Circuitry/Power Transistor (Note 9)
SOT89-3L: Control Circuitry/Power Transistor (Note 10)
TO220-3L: Control Circuitry/Power Transistor (Note 11)
TO263-3L: Control Circuitry/Power Transistor (Note 12)

Notes: 5. See thermal regulation specifications for changes in output voltage due to heating effects. Line and load regulation are measured at a constant

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

7. Quiescent current is defined as the minimum output current required in maintaining regulation. At 12V input/output differential the
device is guaranteed to regulate if the output current is greater than 10mA.

8. Test condition for SOT223: Ta=27°C, no air flow, 2 oz copper, 5mmx5mm pad.

9. Test condition for TO252: Ta=27°C, no air flow, 2 oz copper, 5mmx5mm pad.

10. Test condition for SOT89-3L: no air flow, no heat sink.

11. Test condition for TO220-3L: with copper area of approximately 3in

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

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

12. Test condition for TO263-3L: with copper area of approximately 2cmX2cm, 1 oz, no air flow.

) = 1.5V

OUT

1.225 1.250 1.275 V

1.470 1.500 1.530 V

≦12V

1.764 1.800 1.836 V

2.450 2.500 2.550 V

≦12V

≦12V

+1.5V<VIN<12V,

OUT

3.235 3.300 3.365 V

4.900 5.000 5.100 V

0.2 %

1 %

18 15 mV

15 18 mV

20 25 mV

≦1A,

OUT

OUT

OUT

≦1A,

= 0.1%V

OUT

26 33 mV

40 50 mV

1.3 1.4 V

5 10 mA

= 1A

OUT

107

182

31.35

73

O

C/W

95
12

16
42

5.25

O

C/W

19

2

, 1 oz, no air flow.

AP1117 Rev. 6 4 of 11 MARCH 2007
www.diodes.com © Diodes Incorporated