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Diodes Semiconductor Electronic Components Datasheet

AP1086 Datasheet

1.5A LOW DROPOUT POSITIVE ADJUSTABLE OR FIXED-MODE REGULATOR

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AP1086 pdf
Features
AP1086
1.5A LOW DROPOUT POSITIVE ADJUSTABLE OR
FIXED-MODE REGULATOR
General Description
3-Terminal Adjustable or Fixed 1.5V, 1.8V, 2.5V,3.3V,
5.0V
1.4V Maximum Dropout at Full Load Current
Fast Transient Response
Built-in Thermal Shutdown
Output Current Limiting
Packages: TO252-3L, TO263-3L, and TO220-3L
Lead Free Finish/RoHS Compliant for Lead Free
products (Note 1)
AP1086 is a low dropout positive adjustable or fixed-mode
regulator with 1.5A output current capability. The product is
specifically designed to provide well-regulated supply for low
voltage IC applications such as high-speed bus termination and
low current 3.3V logic supply. AP1086 is also well suited for other
applications such as VGA cards. AP1086 is guaranteed to have
lower than 1.4V dropout at full load current making it ideal to
provide well-regulated outputs of 1.25V to 5.0V with 4.7 to 12V
input supply by different output voltage.
Ordering Information
AP1086 X X X X
Low Dropout Regulator
Package
D : TO252-3L
K : TO263-3L
T : TO220-3L
Vout
Blank : Adj
15 = 1.5V
18 = 1.8V
25 = 2.5V
33 = 3.3V
50 = 5.0V
Lead Free
Packing
L : Lead Free Package -U : Tube
-13 : Taping
Note: 1. RoHS revision 13.2.2003. Glass and High Temperature Solder Exemptions Applied, see EU Directive Annex Notes 5 and 7.
Note:
Device
Package
Code
Packaging
(Note 2)
Tube/Bulk
Quantity
Part Number
Suffix
13” Tape and Reel
Quantity
Part Number Suffix
AP1086D
D
TO252-3L
80
-U 2500/Tape & Reel
-13
Lead-free
AP1086K
K
TO263-3L
50
-U 800/Tape & Reel
-13
AP1086TLead-free
T
TO220-3L
50
-U
NA
NA
Lead-free
2. 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.
Block Diagram
Vin 3
Thermal
Shutdown
2 Vout
+
+-
CURRENT
LIMIT
1.25V +
+
1 Adj
AP1086 Rev. 2
1 of 8
www.diodes.com
MARCH 2007
© Diodes Incorporated



Diodes Semiconductor Electronic Components Datasheet

AP1086 Datasheet

1.5A LOW DROPOUT POSITIVE ADJUSTABLE OR FIXED-MODE REGULATOR

No Preview Available !

AP1086 pdf
Connection Diagram
3 PIN TO263
FRONT VIEW
3 Vin
2 Vout
1
Adj
(GND)
Tab is Vout
AP1086
1.5A LOW DROPOUT POSITIVE ADJUSTABLE OR
FIXED-MODE REGULATOR
3 PIN TO252
FRONT VIEW
3 Vin
2 Vout
1
Tab is Vout
Adj
(GND)
3 PIN TO220
FRONT VIEW
3
2
1
Vin
Vout
Adj
(GND)
Tab is Vout
Pin Descriptions
NAME
Adj
(GND)
Vout
Vin
I/O PIN #
FUNCTION
1 Adjustable (Ground only for fixed mode)
O
2
The output of the regulator. A minimum of 10uF capacitor must be
connected from this pin to ground to insure stability.
The input pin of regulator. Typically a large storage capacitor is
connected from this pin to ground to insure that the input voltage does
I 3 not sag below the minimum dropout voltage during the load transient
response. This pin must always be 1.4V higher than Vout in order for the
device to regulate properly.
Absolute Maximum Ratings
Symbol
Vin
PD
TST
TOP
Parameter
DC Supply Voltage
Power Dissipation
Storage Temperature
Operating Junction Temperature Range
Rating
Unit
-0.3 to 12
V
Internally Limited
-65 to +150
oC
0 to +150
oC
AP1086 Rev. 2
2 of 8
www.diodes.com
MARCH 2007
© Diodes Incorporated



Diodes Semiconductor Electronic Components Datasheet

AP1086 Datasheet

1.5A LOW DROPOUT POSITIVE ADJUSTABLE OR FIXED-MODE REGULATOR

No Preview Available !

AP1086 pdf
AP1086
1.5A LOW DROPOUT POSITIVE ADJUSTABLE OR
FIXED-MODE REGULATOR
Electrical Characteristics ( Under Operating Conditions )
PARAMETER
CONDITIONS
MIN TYP MAX UNIT
Reference Voltage AP1086-Adj
AP1086-1.5
AP1086-1.8
Output Voltage
AP1086-2.5
AP1086-3.3
AP1086-5.0
TA = 25οC,(VIN-VOUT)= 1.5V,IO = 10mA
IOUT = 10mA, TA = 25οC, 3VVIN
12V
IOUT = 10mA, TA = 25οC, 3.3VVIN
12V
IOUT = 10mA, TA = 25οC, 4VVIN
12V
IOUT = 10mA, TA = 25οC, 4.8VVIN
12V
IOUT = 10mA, TA = 25οC, 6.5VVIN
12V
1.225
1.470
1.764
2.450
3.235
4.900
1.250
1.500
1.800
2.500
3.300
5.000
1.275
1.530
1.836
2.550
3.365
5.100
V
V
V
V
V
V
Line Regulation
Load Regulation
Dropout Voltage
(VIN-VOUT)
AP1086-XXX
AP1086-Adj
AP1086-1.5
AP1086-1.8
AP1086-2.5
AP1086-3.3
AP1086-5.0
AP1086-Adj/-
2.5
/-3.3/-3.6/-5.0
IO = 10mA, VOUT+1.5V<VIN<12V
VIN = 3.3V, 0mA<Io<1.5A, TA = 25οC
(Note 3, 4)
VIN = 3V, 0mA<Io<1.5A, TA = 25οC
(Note 3, 4)
VIN = 3.3V, 0mA<Io<1.5A, TA = 25οC
(Note 3, 4)
VIN = 4V, 0mA<Io<1.5A, TA = 25οC
(Note 3, 4)
VIN = 5V, 0IOUT1.5A, TA = 25οC ,
TJ = 25oC (Note 3, 4)
VIN = 8V, 0IOUT1.5A, TA = 25οC ,
TJ = 25oC (Note 3, 4)
IOUT = 1.5A, VOUT = 1%VOUT
-
-
-
-
-
-
-
-
- 0.2 %
- 1%
12 15 mV
15 18 mV
20 25 mV
26 33 mV
40 50 mV
1.3 1.4 V
AP1086-Adj/-
Current Limit
2.5 (VIN-VOUT) = 5V
/-3.3/-3.6/-5.0
1. 6 -
-A
Minimum Load
Current
AP1086-XXX 0oCTj125oC
- 5 10 mA
Thermal
Regulation
TA = 25οC, 30ms pulse
- 0.008 0.04 %/W
Ripple Rejection
f = 120Hz,COUT = 25uF Tantalum, IOUT = 1.5A
AP1086-XXX
VIN = VOUT+3V
RMS Noise (% of VOUT)
10Hz f 10KHz
Temperature Stability
IO = 10mA
Thermal Resistance
TO252-3L
Junction-to-Ambient
TO263-3L
- 60 70 dB
- 0.003 -
%
- 0.5 - %
101
- 83 - OC/W
(No heat sink ;No air flow) TO220-3L
86
Thermal Resistance
Junction-to-Case
TO252-3L: Control Circuitry/Power Transistor
15
TO263-3L: Control Circuitry/Power Transistor - 0.65/2.7 - OC/W
TO220-3L: Control Circuitry/Power Transistor
0.65/2.7
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 in input
and output and the output current. Guaranteed maximum power dissipation will not be available over the full input/output range.
5. 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.
AP1086 Rev. 2
3 of 8
www.diodes.com
MARCH 2007
© Diodes Incorporated




Part Number AP1086
Description 1.5A LOW DROPOUT POSITIVE ADJUSTABLE OR FIXED-MODE REGULATOR
Maker Diodes Incorporated
Total Page 8 Pages
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