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 IOUT =1.5A
•Current Limit : 1.5A Min. at TJ=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 adjustable 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 combination of overload that would create excessive junction temperatures.
The APL1086 is available in the industry standard 3- pin SOT-223, TO-252, TO-220 or TO-263 power packages.
Applications
• Active SCSI Terminators |
Pin Description |
•Low Voltage Logic Supplies
• Battery-Powered Circuitry |
TAB IS VOUT |
TAB IS VOUT |
•Post Regulator for Switching Power Supply
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3 |
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ADJ/GND OUT |
IN |
ADJ/GND OUT |
IN |
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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. |
1 |
www.anpec.com.tw |
Rev. A.4 - Jun., 2003 |
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APL1086
Pin Description
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VIN |
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VIN |
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TAB is VO UT |
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VO UT |
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OUT |
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ADJ |
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ADJ |
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Front View for TO-263 |
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Front View for TO-220 |
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Ordering and Marking Information
A P L 1 0 8 6 - |
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P a c k a g e C o d e |
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F : T O -2 2 0 |
G : T O -2 6 3 |
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U : T O -2 5 2 |
V : S O T -2 2 3 |
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H a n d lin g C o d e |
T e m p . R a n g e |
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T e m p . R a n g e |
C : 0 to 7 0 ° C |
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H a n d lin g C o d e |
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P a c k a g e C o d e |
T U : T u b e |
T R : T a p e & R e e l |
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V o lta g e C o d e |
V o lta g e C o d e |
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1 8 : 1 .8 V |
2 5 : 2 .5 V |
2 8 5 : 2 .8 5 V |
3 3 : 3 .3 V |
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B la n k : A d ju s ta b le V e rs io n |
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A P L 1 0 8 6 F /G /U : |
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A P L 1 0 8 6 |
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X X X X X - D a te C o d e |
A P L 1 0 8 6 V : |
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A P L 1 0 8 6 |
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X X X X X - D a te C o d e |
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A P L 1 0 8 6 -1 8 F /G /U : |
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- D a te C o d e |
A P L 1 0 8 6 - 1 8 V : |
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A P L 1 0 8 6 |
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X X X X X - D a te C o d e |
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A P L 1 0 8 6 |
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2 5 |
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A P L 1 0 8 6 -2 5 F /G /U : |
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X X X X X - D a te C o d e |
A P L 1 0 8 6 - 2 5 V : |
A P L 1 0 8 6 |
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X X X X X - D a te C o d e |
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A P L 1 0 8 6 |
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A P L 1 0 8 6 -2 8 5 F /G /U : |
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2 8 5 |
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X X X X X - D a te C o d e |
A P L 1 0 8 6 - 2 8 5 V |
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A P L 1 0 8 6 |
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X X X X X - D a te C o d e |
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A P L 1 0 8 6 |
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3 3 |
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A P L 1 0 8 6 -3 3 F /G /U : |
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X X X X X - D a te C o d e |
A P L 1 0 8 6 - 3 3 V : |
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A P L 1 0 8 6 |
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X X X X X - D a te C o d e |
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A P L 1 0 8 6 |
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Absolute Maximum Ratings
Symbol |
Parameter |
Rating |
Unit |
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VI |
Input Voltage |
12 |
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TJ |
Operating Junction Temperature Range |
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° C |
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Control Section |
0 to 125 |
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Power Transistor |
0 to 150 |
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TSTG |
Storage Temperature Range |
-65 to +150 |
° C |
TL |
Lead Temperature (Soldering, 10 second) |
260 |
° C |
Copyright ANPEC Electronics Corp. |
2 |
www.anpec.com.tw |
Rev. A.4 - Jun., 2003 |
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APL1086
Electrical Characteristics
Symbol |
Parameter |
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Test Conditions |
APL1086 |
Unit |
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Min. |
Typ. |
Max. |
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VREF |
Reference |
10mA≤ |
IOUT ≤ 1.5A, 1.4V≤ (VIN -VOUT) ≤ 9.75V, |
1.225 |
1.250 |
1.275 |
V |
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Voltage |
TJ =0~125° C |
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Output Voltage |
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APL1086-18 |
TJ =25°C, IOUT =0mA, |
1.782 |
1.800 |
1.818 |
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TJ =0~125° C, |
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1.764 |
1.800 |
1.836 |
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0≤ IOUT≤ |
1.5A, 3.5V≤ VIN≤ 9V, |
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APL1086-25 |
TJ =25°C, IOUT =0mA, |
2.475 |
2.500 |
2.525 |
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TJ =0~125° C, |
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2.450 |
2.500 |
2.550 |
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VOUT |
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0≤ IOUT≤ |
1.5A, 4V≤ VIN≤ 9V, |
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V |
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APL1086-28 |
TJ =25°C, IOUT =0mA, |
2.822 |
2.850 |
2.878 |
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TJ =0~125° C, |
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2.792 |
2.850 |
2.910 |
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0≤ IOUT≤ |
1.5A, 4.25V≤ VIN≤ 9V, |
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APL1086-33 |
TJ =25°C, IOUT =0mA, |
3.267 |
3.300 |
3.333 |
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TJ =0~125° C, |
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3.235 |
3.300 |
3.365 |
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0≤ IOUT≤ |
1.5A, 4.75V≤ VIN≤ 9V, |
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Line Regulation |
TJ =0~125° C |
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APL1086 |
IOUT=10mA, 1.5V≤ VIN –VOUT≤ 9V, (note1) |
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0.03 |
0.2 |
% |
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REGLINE |
APL1086-18 |
IOUT=0mA, 3.5V≤ VIN≤ |
9V, (note1) |
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APL1086-25 |
IOUT=0A, 4V≤ VIN≤ 9V, (note 1) |
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6 |
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APL1086-28 |
IOUT=0A, 4.25V≤ |
VIN ≤ |
9V, (note 1) |
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6 |
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APL1086-33 |
IOUT=0A, 4.75V≤ |
VIN ≤ |
9V, (note 1) |
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6 |
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Load Regulation |
TJ =0~125° C |
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APL1086 |
(VIN -VOUT)=3V, 0≤ IOUT ≤ 1.5A ,(note 1) |
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0.1 |
0.4 |
% |
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REGLOAD |
APL1086-18 |
VIN=3.5V, 0≤ |
IOUT ≤ 1.5A ,(note 1) |
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APL1086-25 |
VIN=4V, 0≤ IOUT ≤ |
1.5A ,(note 1) |
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10 |
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APL1086-28 |
VIN=4.25V, 0≤ |
IOUT ≤ |
1.5A ,(note 1) |
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10 |
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APL1086-33 |
VIN=4.75V, 0≤ |
IOUT ≤ |
1.5A ,(note 1) |
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10 |
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VD |
Dropout Voltage |
IOUT=1.5A ,TJ =0~125° C |
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1.3 |
1.45 |
V |
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ILIMIT |
Current Limit |
(VIN -VOUT)=5V, TJ=25° C |
1500 |
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mA |
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IADJ |
Adjust Pin Current |
(VIN -VOUT)=3V, IOUT=10mA, TJ=0~125° C |
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120 |
A |
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∆ IADJ |
Adjust Pin Current |
TJ= 0~125° C, 10mA≤ IOUT ≤ 1.5A, |
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0.2 |
5 |
A |
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Change |
1.4V≤ (VIN -VOUT) ≤ 7.75V |
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IO |
Minimum Load |
TJ=0~125° C, (VIN -VOUT)=7.75V, (note 3) |
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1.7 |
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mA |
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Current |
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PSRR |
Ripple Rejection |
FRIPPLE=120Hz, VRIPPLE=1VP-P, |
60 |
75 |
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dB |
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(VIN -VOUT)=3V, TJ=0~125° C |
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TR |
Thermal |
TJ=25° C, 30ms Pulse |
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0.01 |
0.02 |
%/ W |
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Regulation |
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TS |
Temperature |
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0.5 |
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% |
Stability |
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LS |
Long -Term |
TJ =125° C,1000Hrs. |
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0.3 |
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% |
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Stability |
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Copyright ANPEC Electronics Corp. |
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3 |
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www.anpec.com.tw |
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Rev. A.4 - Jun., 2003 |
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APL1086
Electrical Characteristics (Cont.)
Symbol |
Parameter |
Test Conditions |
APL1086 |
Unit |
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Min. |
Typ. |
Max. |
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VN |
RMS Output |
TJ=25° C,10Hz≤ F≤ 10kHz, (% of VOUT) |
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0.003 |
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Noise |
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θ th |
Thermal |
Junction to Case, at Tab |
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15 |
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° C/ W |
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Resistance |
Junction to ambient |
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50 |
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OT |
Over Temperature |
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150 |
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° C |
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Point |
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Quiescent Current |
TJ=0~125° C, |
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mA |
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APL1086-18 |
VIN≤ 9V |
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5.5 |
10 |
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APL1086-25 |
VIN≤ 9V |
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5.5 |
10 |
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APL1086-28 |
VIN≤ 9V |
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5.5 |
10 |
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APL1086-33 |
VIN≤ 9V |
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5.5 |
10 |
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Note 1: See thermal regulation specifications for changes in output voltage due to heating effects. Load line regulations are measured 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
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APL1086 |
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VIN |
IN |
OUT |
R1 |
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V |
OUT1 |
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ADJ |
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121Ω |
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+ |
1 0 µ F |
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1 0 0 µ |
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F |
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C1* |
R2 |
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C |
2 |
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1k |
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* Needed if device is far from filter capacitors
Improving Ripple Rejection
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APL1086 |
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VIN |
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IN |
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V |
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R1 |
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ADJ |
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121Ω |
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1 0µ |
F |
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1% |
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150µ F |
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R2 |
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365Ω |
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1 0µ |
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* C1 improves ripple rejection. 1% |
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XC should be approximately |
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equal to R1 at ripple frequency |
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VOUT = |
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R1+ R2 |
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R1 |
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5V Regulator with Shutdown |
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APL1086 |
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VIN |
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ADJ |
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121Ω |
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1 0 µ F |
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1% |
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TTL |
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1k |
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1 0 0 µ |
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365Ω |
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1k |
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Copyright ANPEC Electronics Corp. |
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4 |
www.anpec.com.tw |
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Rev. A.4 - Jun., 2003 |
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APL1086
Typical Characteristics
Load Transient Response
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5 |
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0.02 |
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4.5 |
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4 |
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0.01 |
(V) |
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Output Current (A) |
3.5 |
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Output Voltage Deviation |
3 |
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0 |
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2.5 |
CIN=10uF |
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2 |
Cout=10 F Tantalum |
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-0.01 |
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V |
IN |
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u |
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1.5 |
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-0.02 |
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0.5 |
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0 |
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-0.03 |
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-100 |
100 |
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300 |
500 |
700 |
900 |
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Time ( s)
Line Transient Response
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6 |
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0.15 |
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5 |
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(V) |
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0.1 |
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Output Voltage Deviation |
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Input Voltage (V) |
4 |
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3 |
CIN=10uF |
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0.05 |
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IOUT=0.1A |
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2 |
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1 |
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0 |
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-0.05 |
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-20 |
30 |
80 |
130 |
180 |
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Time ( s)
Dropout Voltage vs. Output Current
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1.35 |
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1.3 |
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1.25 |
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(V) |
1.2 |
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Voltage |
1.15 |
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1.1 |
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Dropout |
1.05 |
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1 |
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0.95 |
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0.9 |
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1 |
1.5 |
Output Current (A)
Output Voltage vs. Input Voltage
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3.5 |
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3 |
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(V) |
2.5 |
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Voltage |
2 |
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1.5 |
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Output |
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1 |
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0.5 |
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0 |
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0 |
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
Input Voltage (V)
Copyright ANPEC Electronics Corp. |
5 |
www.anpec.com.tw |
Rev. A.4 - Jun., 2003 |
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