APL1086
1.5A Low Dropout Fast Response Positive Adjustable Regulator and Fixed
1.8V, 2.5V, 2.85V and 3.3V
Features
•
•
•
•
•
•
•
•
•
•
Guaranteed Output Voltage Accuracy within 2%
Fast Transient Response
Guaranteed Dropout Voltage at Multiple
Currents
Load Regulation : 0.1% Typ.
Line Regulation : 0.03% Typ.
Low Dropout Voltage : 1.3V Typ. at I
OUT
=1.5A
Current Limit : 1.5A Min. at T
J
=125°C
On-Chip Thermal Limiting : 150
°C
Typ.
Adjustable Output : 1.25~10.7V
Standard 3-pin SOT-223, TO-252 , TO-220 and
TO-263 Power Packages.
General Description
The APL1086 is a low dropout three-terminal adjust-
able regulators with 1.5A output current capability.
In order to obtain lower dropout voltage and faster
transient response, which is critical for low voltage
applications , the APL1086 has been optimized.
The device is available in an adjustable version and
fixed output voltages of 1.8V, 2.5V,2.85V and 3.3V,
the output available voltage range is from 1.25~10.
7V with an input supply below 12V. Dropout voltage
is guaranteed at a maximum of 1.45V at 1.5A.
Current limit is trimmed to ensure specified output
current and controlled short-circuit current. On-chip
thermal limiting provides protection against any com-
bination of overload that would create excessive junc-
tion temperatures.
The APL1086 is available in the industry standard 3-
pin SOT-223, TO-252, TO-220 or TO-263 power
packages.
Applications
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•
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Active SCSI Terminators
Low Voltage Logic Supplies
Battery-Powered Circuitry
Post Regulator for Switching Power Supply
1
2
3
Pin Description
TAB IS V
OUT
TAB IS V
OUT
1
2
3
ADJ/GND OUT
IN
ADJ/GND OUT
IN
Front View for SOT-223
Front View for TO-252
ANPEC reserves the right to make changes to improve reliability or manufacturability without notice, and advise
customers to obtain the latest version of relevant information to verify before placing orders.
Copyright
ANPEC Electronics Corp.
Rev. A.4 - Jun., 2003
1
www.anpec.com.tw
APL1086
Pin Description
3
2
1
V
IN
V
OUT
ADJ
TA B is V
O U T
3
2
1
V
IN
V
OUT
AD J
Front View for TO-220
Front View for TO-263
Ordering and Marking Information
APL1086-
H a n d lin g C o d e
Tem p. R ange
Package Code
V o lta g e C o d e
Package Code
F : T O -2 2 0
G : T O -2 6 3
U : T O -2 5 2
V : S O T -2 2 3
Tem p. R ange
C : 0 to 7 0
°
C
H a n d lin g C o d e
TU : Tube
TR : Tape & R eel
V o lta g e C o d e
1 8 : 1 .8 V
2 5 : 2 .5 V
2 8 5 : 2 .8 5 V
B la n k : A d ju s ta b le V e rs io n
AP L1086
XXXXX
3 3 : 3 .3 V
A P L 1 0 8 6 F /G /U :
AP L1086
XXXXX
18
AP L1086
XXXXX
25
AP L1086
XXXXX
285
AP L1086
XXXXX
33
AP L1086
XXXXX
XXXXX
- D a te C o d e
AP L1086 V :
X X X X X - D a te C o d e
A P L 1 0 8 6 -1 8 F /G /U :
XXXXX
- D a te C o d e
AP L1086- 18V :
AP L1086
XX XXX 18
X X X X X - D a te C o d e
A P L 1 0 8 6 -2 5 F /G /U :
XXXXX
- D a te C o d e
AP L1086- 25V :
AP L1086
XX XXX 25
X X X X X - D a te C o d e
A P L 1 0 8 6 -2 8 5 F /G /U :
XXXXX
- D a te C o d e
AP L1086- 285V
:
AP L1086
XX XXX 285
X X X X X - D a te C o d e
A P L 1 0 8 6 -3 3 F /G /U :
XXXXX
- D a te C o d e
AP L1086- 33V :
AP L1086
XX XXX 33
X X X X X - D a te C o d e
Absolute Maximum Ratings
Symbol
V
I
T
J
Parameter
Input Voltage
Operating Junction Temperature Range
Control Section
Power Transistor
Storage Temperature Range
Lead Temperature (Soldering, 10 second)
Rating
12
0 to 125
0 to 150
-65 to +150
260
Unit
V
°C
T
STG
T
L
°C
°C
Copyright
ANPEC Electronics Corp.
Rev. A.4 - Jun., 2003
2
www.anpec.com.tw
APL1086
Electrical Characteristics (Cont.)
Symbol
V
N
θ
th
OT
Parameter
RMS Output
Noise
Thermal
Resistance
Over Temperature
Point
Quiescent Current
APL1086-18
APL1086-25
APL1086-28
APL1086-33
Test Conditions
T
J
=25°C,10Hz≤F≤10kHz, (% of V
OUT
)
Junction to Case, at Tab
Junction to ambient
APL1086
Min. Typ. Max.
0.003
15
50
150
T
J
=0~125°C,
V
IN
≤9V
V
IN
≤9V
V
IN
≤9V
V
IN
≤9V
5.5
5.5
5.5
5.5
10
10
10
10
Unit
%
°C/
W
°C
mA
Note 1: See thermal regulation specifications for changes in output voltage due to heating effects. Load line regulations are mea-
sured at a constant junction temperature by low duty cycle pulse testing.
Note 2: Dropout voltage is specified over the full output current range of the device. Dropout voltage is defined as the minimum input/
output differential measured at the specified output current. Test points and limits are also shown on the Dropout Voltage curve.
Note 3: Minimum load current is defined as the minimum output current required to maintain regulation.
Application Circuits
1.25V to 10.7V Adjustable Regulator
APL1086
V
IN
IN
ADJ
OUT
R1
121
Ω
+
10µ
F
Improving Ripple Rejection
V
OUT 1
V
IN
10µ
F
+
APL1086
IN
OUT
ADJ
R1
121
Ω
1%
+
C1
10µ
F
V
OUT
150
µ
F
+
R2
1k
100µ
F
C
1*
C
2
* Needed if device is far from filter capacitors
* C1 improves ripple rejection.
X
C
should be approximately
equal to R1 at ripple frequency
R2
365
Ω
1%
V
OUT
=
1.250V
×
R1
+
R2
R1
5V Regulator with Shutdown
APL1086
IN
OUT
ADJ
+
TTL
1k
10µ
F
V
IN
5V
121
Ω
1%
+
365
Ω
1%
1k
100µ
F
Copyright
ANPEC Electronics Corp.
Rev. A.4 - Jun., 2003
4
www.anpec.com.tw
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