AP1116YLA [ANACHIP]
Regulator,;
ANACHIP CORP 
AP1116
0.5A Low Dropout Positive Adjustable or Fixed-Mode Regulator (Preliminary)
ꢀGeneral Description
ꢀFeatures
AP1116 is a low dropout positive adjustable or
fixed-mode regulator with minimum of 0.5A 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.
AP1116 is also well suited for other applications
such as VGA cards. AP1116 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.
• 1.3V maximum dropout at full load current
• Fast transient response
• Output current limiting
• Built-in thermal shutdown
• Packages: SOT89
• Good noise rejection
• 3-Terminal Adjustable or Fixed 1.5V / 1.8V / 2.5V
/ 3.3V / 5.0V
ꢀApplications
• PC peripheral
• Communication
ꢀ Ordering Information
AP 1116 X XX X
X
Low Dropout Regulator
Package
Vout
Lead Free
Packing
Y : SOT89-3L
Blank : ADJ
15 : 1.5V
18 : 1.8V
25 : 2.5V
33 : 3.3V
50 : 5.0V
Blank : Normal
L : Lead Free Package
Blank : Tube
A
: Taping
ꢀTypical Circuit
5V
5V
C1
C1
100uF
100uF
Vin
Vout
Adj
Vin
Vo
2.5V/
0.5A
3.3V/
0.5A
Vout
R1
121
R2
Ω
C2
100uF
C2
GND
100uF
Ω
121
Tab is Vout
Tab is Vout
( 5V/3.3V fixed output )
( 5V/2.5V ADJ output )
R2
R1
Note:
Vo = VREF ∗(1+
)
This datasheet contains new product information. Anachip Corp. reserves the rights to modify the product specification without notice. No liability is assumed as a result of the use of
this product. No rights under any patent accompany the sale of the product.
Rev. 0.2 Feb.10, 2004
1/5
AP1116
0.5A Low Dropout Positive Adjustable or Fixed-Mode Regulator (Preliminary)
ꢀConnection Diagram
3 PIN SOT89
Vin
3
2
1
Vout
Adj (GND)
Tab is Vout
ꢀPin Descriptions
NAME
I/O
PIN #
FUNCTION
A resistor divider from this pin to the Vout pin and ground sets the
output voltage. (Ground only for Fixed-Mode)
Adj (GND)
I
1
The output of the regulator. A minimum of 10uF capacitor must be
connected from this pin to ground to insure stability.
Vout
Vin
O
I
2
3
The input pin of regulator. Typically a large storage capacitor 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
Vout in order for the device to regulate properly.
ꢀAbsolute Maximum Ratings
Symbol
VIN
PD
TST
TOP
Parameter
Rating
-0.3 to 18 V
Internally Limited
-65 to +150
0 to +150
Unit
V
DC Supply Voltage
Power Dissipation
Storage Temperature
oC
oC
Operating Junction Temperature Range
Anachip Corp.
www.anachip.com.tw
Rev. 0.2 Feb.10, 2004
2/5
AP1116
0.5A Low Dropout Positive Adjustable or Fixed-Mode Regulator (Preliminary)
(Under Operating Conditions)
ꢀElectrical Characteristics
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNIT
TJ=25oC,(VIN-OUT)=1.5V
IO=10mA
Reference Voltage
AP1116-ADJ
AP1116-1.5
AP1116-1.8
AP1116-2.5
AP1116-3.3
AP1116-5.0
1.225 1.250
1.470 1.500
1.764 1.800
2.450 2.500
3.235 3.300
4.900 5.000
1.275
V
IOUT = 10mA, TJ = 25oC,
3V≦VIN≦12V
1.530
1.836
2.550
3.365
5.100
V
V
V
V
V
I
OUT = 10mA, TJ = 25oC,
3.3V≦VIN≦12V
I
OUT = 10mA, TJ = 25oC,
Output Voltage
Line Regulation
4V≦VIN≦12V
IOUT = 10mA, TJ = 25oC,
4.8V≦VIN≦12V
I
OUT = 10mA, TJ = 25oC,
6.5V≦VIN≦12V
IO=10mA,VOUT+1.5V<VIN<15V,
AP1116-XXX
AP1116-ADJ
AP1116-1.5
AP1116-1.8
AP1116-2.5
AP1116-3.3
0.2
1
%
TJ=25oC
VIN=3.3V,Vadj=0,0mA<Io<0.5A
, TJ=25oC (Note 1,2)
VIN=3V, 0mA<Io<0.5A,
TJ=25oC (Note 1,2)
%
12
15
18
25
33
mV
mV
mV
mV
VIN=3.3V, 0mA<Io<0.5A,
15
TJ=25oC (Note 1,2)
Load Regulation
Dropout Voltage
VIN=4V, 0mA<Io<0.5A,
TJ=25oC (Note 1,2)
20
VIN = 5V, 0≦IOUT≦0.5A,
26
TJ=25oC (Note 1,2)
VIN = 8V, 0≦IOUT≦0.5A,
TJ=25oC (Note 1,2)
AP1116-5.0
40
50
mV
V
AP1116-ADJ/1.5/
1.82.5/3.3/5.0
AP1116-ADJ/1.5/
1.82.5/3.3/5.0
1.1
1.3
IOUT = 0.5A, ∆VOUT=0.1%VOUT
(VIN-VOUT
)
Current Limit
(VIN-VOUT) = 5V
0.6
A
Minimum Load
Current
Thermal Regulation
0oC≦Tj≦125oC
AP1116-XXX
5
10
mA
TA=25℃, 30ms pulse
0.008
0.04
%/W
F=120Hz,COUT=25uF Tantalum, IOUT=0.5A
Ripple Rejection
AP1116-XXX
VIN=VOUT+3V
60
0.5
70
dB
%
OC/W
Temperature Stability IO=10mA
SOT89 Thermal Resistance Junction-to-Ambient
θ JA
300
(No heat sink; No air flow)
SOT89: Control Circuitry/Power Transistor
Thermal Resistance Junction-to-Case
OC/W
θ JC
100
Note1: 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.
Note2: Line and load regulation are guaranteed up to the maximum power dissipation of 5W. Power dissipation is determined by the
input/output differential and the output current. Guaranteed maximum power dissipation will not be available over the full
input/output range.
Note3: Quiescent current is defined as the minimum output current required to maintain regulation. At 12V input/output differential the
device is guaranteed to regulate if the output current is greater than 10mA.
Anachip Corp.
www.anachip.com.tw
Rev. 0.2 Feb.10, 2004
3/5
AP1116
0.5A Low Dropout Positive Adjustable or Fixed-Mode Regulator (Preliminary)
ꢀ Typical Performance Characteristics
2. 0
1. 8
1. 6
1. 4
1. 2
1. 0
0. 8
0. 6
0. 4
0. 2
0
0.20
0
I load=500mA
-0.20
-0.40
-0.80
- 1
Tj = 25 oC
Tj = 125 oC
500
25
50
75
100
125
200
Output Current (mA)
Dropout Voltage vs Output Current
300
400
-25
0
100
0
Temperature (oC)
Load Regulation vs Temperature
2
1
1.5
1
0.8
0. 5
0
0.6
0.4
-0.5
- 1
0.2
0
-1.5
- 2
-50 -25
0
25
50
75
100 125 150
6
8
10
12
2
4
Temperature (oC)
Input Voltage (V)
Percent Change in Output Voltage vs Temperature
Line Regulation
7.5
30
20
Cin=1uF
C in = 1uF
C out = 10 uF Tantalum
Preload = 100mA
Cout=10uF Tantalum
6.5
10
0
5.5
40
-10
-20
2
20
0
1
-20
0
-40
-1
0
20 40 60 80 100 120 140 160 180 200
TIME (us)
20 30 40 50 60 70 80 90 100
TIME (us)
0
10
Line Transient Response
Load Transient Response
Anachip Corp.
www.anachip.com.tw
Rev. 0.2 Feb.10, 2004
4/5
AP1116
0.5A Low Dropout Positive Adjustable or Fixed-Mode Regulator (Preliminary)
ꢀMarking Information
Identification code
Output version
AP1116-ADJ
AP1116-1.5V
AP1116-1.8V
AP1116-2.5V
AP1116-3.3V
AP1116-5.0V
JE
JF
JG
JH
JI
XX
XX X
2
Identification Code
( See the table )
Date Code
Month: A~L
Year: 0~9
Blank: normal
3
1
L: Lead Free Package
SOT89-3
JJ
ꢀPackage Dimension
D1
50(2x)
e1
e
80(2x)
D
c
b
b
b1
Dimensions In Millimeters
Dimensions In Inches
Symbol
Min.
1.40
0.36
0.41
0.35
4.40
1.40
2.90
1.45
2.40
3.94
0.80
Nom.
1.50
0.42
0.47
0.39
4.50
1.60
3.00
1.50
2.50
-
Max.
1.60
0.48
0.53
0.43
4.60
1.75
3.10
1.55
2.60
4.25
1.20
Min.
Nom.
0.059
0.016
0.043
0.015
0.177
0.062
0.118
0.059
0.098
-
Max.
A
B
b1
C
D
D1
e
e1
E
HE
L
0.055
0.014
0.016
0.014
0.173
0.055
0.114
0.057
0.094
0.155
0.031
0.063
0.018
0.051
0.017
0.181
0.069
0.122
0.061
0.102
0.167
0.047
-
-
Anachip Corp.
www.anachip.com.tw
Rev. 0.2 Feb.10, 2004
5/5
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