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AP1115 Datasheet

0.6A LOW DROPOUT POSITIVE ADJUSTABLE OR FIXED-MODE REGULATOR

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PART OBSOLETE NO ALTERNATE PART
AP1115
0.6A LOW DROPOUT POSITIVE ADJUSTABLE
OR FIXED-MODE REGULATOR
Description
The AP1115 is a low dropout positive adjustable or fixed
mode regulator with 0.6A output current capability. The product is
specifically designed to provide a well-regulated supply for low-voltage
IC applications such as high-speed bus termination and low-current
3.3V logic supply. AP1115 is also well suited for other applications such
as VGA cards. AP1115 is guaranteed to have <1.3V dropout at full load
current, making it ideal to provide well regulated outputs of 1.25V to 5V
with up to 18V input supply.
Features
1.3V 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 / 2.8V/ 3.0V /
3.3V / 3.5V / 5.0V
Lead Free Package: SOT89-3L
Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
SOT89-3L: Available in GreenMolding Compound
(No Br, Sb)
Halogen and Antimony Free. “Green” Device (Note 3)
Pin Assignments
AP1115A
( Top View )
3 VIN
2 Adj (GND)
1 VOUT
Tab is Adj (GND)
SOT89-3
AP1115B
( Top View )
3
2
1
Tab is VIN
SOT89-3
VOUT
VIN
Adj (GND)
Applications
PC Peripheral
Communication
Notes:
1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant.
2. See http://www.diodes.com/quality/lead_free.html for more information about Diodes Incorporated’s definitions of Halogen- and Antimony-free, "Green"
and Lead-free.
3. Halogen- and Antimony-free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and
<1000ppm antimony compounds.
AP1115
Document number: DS31026 Rev. 6 - 4
1 of 8
www.diodes.com
April 2016
© Diodes Incorporated


Diodes Semiconductor Electronic Components Datasheet

AP1115 Datasheet

0.6A LOW DROPOUT POSITIVE ADJUSTABLE OR FIXED-MODE REGULATOR

No Preview Available !

Typical Applications Circuit
5V
VIN
GND
VOUT
C1
100 uF
3.3V/0.5A
C2
100 uF
AP1115 A (5V/3.3V Fixed Output)
AP1115
5V
C1
100uF
VIN
Adj
VOUT
R1 R2
121Ω 121Ω
VO
2.5V/0.5A
C2
100uF
AP1115 A (5V/2.5V Adj Output)
5V
VOUT
VIN
GND
C1
100uF
3.3V/0.5A
C2
100 uF
AP1115 B (5V/3.3V Fixed Output)
5V
C1
100uF
VOUT
VIN
Adj
VO
2.5V/0.5A
R1
121Ω
C2
100 uF
R2
121 Ω
AP1115B (5V/2.5V Adj Output)
Note
:
Vo
=
VREF
x
(1+
R2
R1
)
Pin Descriptions
Pin Name
Adj (GND)
VOUT
VIN
I/O Function
I A resistor divider from this pin to the VOUT pin and ground sets the output voltage (Ground only for Fixed-
Mode).
The output of the regulator. A minimum of 10uF capacitor (0.15Ω ≤ ESR 20Ω) must be connected from this
O
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
I 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 VOUT in order for the device to regulate properly.
AP1115
Document number: DS31026 Rev. 6 - 4
2 of 8
www.diodes.com
April 2016
© Diodes Incorporated


Part Number AP1115
Description 0.6A LOW DROPOUT POSITIVE ADJUSTABLE OR FIXED-MODE REGULATOR
Maker Diodes Incorporated
Total Page 8 Pages
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