APL5885
500mA Low Dropout Linear Regulator of Adjustable and Fixed Voltages
Features
•Low Dropout Voltage of 1.3V at 500mA
•Output Voltage Accuracy ± 2.0%
•Line Regulation - 3mV (typ.)
•Load Regulation - 13mV (typ.)
•Input Voltage Range up to 9V
•Internal Current Limiting and Thermal Shutdown Protections
•Available Output Voltages -ADJ, 1.8V, 2.5V, 3.3V
•Various SOT-89 and TO-92 Packages Available
Applications
•Voltage Regulator for CD-ROM Drivers
•Voltage Regulator for LAN Cards
•Wireless Communication Systems
•Portable Instrument
•Portable Consumer Equipment
•Low Voltage Systems
General Description
The APL5885 is a 3-pin low dropout linear regulator with 2.0% accuracy of output voltage over line , load and temperature variations . Dropout voltage at 500mA output current is less than 1.3V . Both output current limiting and thermal shutdown are built in to provide maximal protection to the APL5885 against fault conditions . The over current and thermal shutdown circuits become active when the current exceed 500mA , or the junction temperature reach 150° C . Normal operation is recovered when junction temperature drops below 130° C .
Pin Configuration
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3 |
VO U T |
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2 |
VIN |
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1 |
GND |
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GND |
VIN |
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VOUT |
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SOT-89 (Top View) |
TO-92 (Top View) |
Ordering and Marking Information
A P L 5 8 8 5 - |
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P a c k a g e C o d e |
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D : S O T - 8 9 |
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E : T O - 9 2 |
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T e m p . R a n g e |
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H a n d lin g C o d e |
C : 0 t o |
7 0 |
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C |
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T e m p . R a n g e |
H a n d lin g |
C o d e |
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T U : T u b e |
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T R : T a p e & R e e l |
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P a c k a g e C o d e |
V o lt a g e C o d e |
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V o lt a g e C o d e |
1 8 : 1 . 8 V |
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2 5 : 2 . 5 V |
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3 3 : 3 . 3 V |
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B la n k : A d ju s t a b le V e r s io n |
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A P L 5 8 8 5 |
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A P L |
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A P L 5 8 8 5 D : |
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X X X X X - D a t e C o d e |
A P L 5 8 8 5 E : |
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5 8 8 5 |
X X X X X - D a t e C o d e |
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X X X X X |
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A P L 5 8 8 5 |
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A P L |
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A P L 5 8 8 5 - 1 8 D : |
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X X X X X - D a t e C o d e |
A P L 5 8 8 5 - 1 8 E : |
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5 8 8 5 |
X X X X X - D a t e C o d e |
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X X X X X 1 8 |
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X X X X X 1 8 |
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A P L |
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A P L 5 8 8 5 - 2 5 D : |
A P L 5 8 8 5 |
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X X X X X - D a t e C o d e |
A P L 5 8 8 5 - 2 5 E : |
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5 8 8 5 |
X X X X X - D a t e C o d e |
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X X X X X 2 5 |
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A P L 5 8 8 5 |
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A P L |
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A P L 5 8 8 5 - 3 3 D : |
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X X X X X - D a t e C o d e |
A P L 5 8 8 5 - 3 3 E : |
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5 8 8 5 |
X X X X X - D a t e C o d e |
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X X X X X 3 3 |
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X X X X X 3 3 |
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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.6 - Apr., 2003 |
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APL5885
Absolute Maximum Ratings
Symbol |
Parameter |
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Rating |
Unit |
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VIN |
Input Voltage |
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9 |
V |
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IOUT |
Output Current |
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500 |
mA |
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TA |
Operating Ambient Temperature Range |
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0 to 70 |
°C |
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TJ |
Operating Ambient Temperature Range |
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-40 to +150 |
°C |
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TSTG |
Storage Temperature Range |
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-65 to +150 |
°C |
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PD |
Power Dissipation Package |
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Interanl Limited |
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θ JA |
Thermal Resistance |
SOT-89 |
180 |
°C / W |
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TO-92 |
180 |
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Electrical Characteristics (TA=25° C, unless otherwise noted)
Symbol |
Parameter |
Test Condition |
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APL5885 |
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Unit |
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Min. |
Typ. |
Max. |
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VN |
Input Voltage |
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VOUT +1.45V |
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V |
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VOUT |
Output Voltage |
IOUT=10mA |
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0.9 VOUT |
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1.02 VOUT |
V |
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IOUT |
Output Current |
∆ VOUT=2% |
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500 |
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mA |
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Capability |
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ISC |
Short Circuit Current |
VOUT<0.4V |
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800 |
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mA |
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IQ |
Quiescent Current |
VIN=5V,NoLoad |
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6 |
10 |
mA |
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Line Regulation |
TJ =0~125°C |
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APL5885 |
IOUT=10mA, VOUT+1.7V≤ VIN ≤ 8V |
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REGLINE |
APL5885-18 |
IOUT=0A, 3.5V≤ VIN≤ 8V |
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6 |
mV |
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APL5885-25 |
IOUT=0A, 4.2V≤ VIN≤ 8V |
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APL5885-33 |
IOUT=0A, 5V≤ |
VIN ≤ 8V |
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Load Regulation |
TJ =0~125°C |
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APL5885 |
(VIN -VOUT)=1.7V, 0≤ IOUT ≤ 0.5A |
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REGLOAD |
APL5885-18 |
VIN=3.5V, 0≤ |
IOUT ≤ |
0.5A |
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0.4 |
0.6 |
% |
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APL5885-25 |
VIN =4.2V, 0≤ |
IOUT ≤ |
0.5A |
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APL5885-33 |
VIN=5V, 0≤ IOUT ≤ 0.5A |
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VDROPOUT |
Dropout Voltage |
IOUT=500mA , ∆ VOUT=1% |
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1300 |
1450 |
mV |
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PSRR |
Power Supply |
at 1kHz |
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55 |
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dB |
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Rejection Ratio |
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OTS |
Over Temperature |
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150 |
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Shutdown |
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EN |
Output Noise |
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100 |
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µ Vrms |
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Output Voltage |
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TC |
Temperature |
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100 |
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ppm/° C |
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Coefficient |
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Copyright ANPEC Electronics Corp. |
2 |
www.anpec.com.tw |
Rev. A.6 - Apr., 2003 |
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APL5885
Block Diagram
VIN
Thermal
Shutdown
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- |
Current |
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Limit |
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VOUT |
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VREF
GND
Application Schematic
1.25V to 7V Adjustable Regulator |
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Fixed 1.8V, 2.5V and 3.3V Regulator |
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AP L5885 |
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APL5885 |
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VIN |
IN |
OUT |
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V O U T |
VIN |
IN |
OUT |
VOUT |
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ADJ |
R1 |
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GND |
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F |
1 F |
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1 0 |
F |
1 |
F |
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1 0 |
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R2 |
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VOUT = 1.250V× R1+ R2
R1
Copyright ANPEC Electronics Corp. |
3 |
www.anpec.com.tw |
Rev. A.6 - Apr., 2003 |
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APL5885
Typical Characteristics
Output Voltage vs. Temperature
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2.6 |
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2.5 |
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2.4 |
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(V) |
2.3 |
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Voltage |
2.2 |
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2.1 |
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Output |
2 |
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1.9 |
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1.8 |
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1.7 |
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1.6 |
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-50 |
-25 |
0 |
25 |
50 |
75 |
100 |
125 |
Temperature (°C)
Output Voltage vs. Temperature
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3.4 |
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(V) |
3.3 |
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Output Voltage |
3.2 |
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3.1 |
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3 |
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-50 |
-25 |
0 |
25 |
50 |
75 |
100 |
125 |
Temperature (°C)
Line Transient Response |
Load Transient Response |
(mV) |
50 |
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7 |
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40 |
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6 |
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Deviation |
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30 |
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5 |
(V) |
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VIN=3.3V |
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Voltage |
20 |
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4 |
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0 |
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2Voltage |
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Output |
10 |
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3 |
Input |
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-10 |
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V |
OUT |
=3.3V |
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1 |
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-20 |
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0 |
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0 |
0.2 |
0.4 |
0.6 |
0.8 |
1 |
1.2 |
1.4 |
1.6 |
1.8 |
2 |
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Time ( s)
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10 |
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3.5 |
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VOUT=1.25V |
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(mV) |
5 |
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3 |
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0 |
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|
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|
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|
2.5 |
Load Current (A) |
|
Output Voltage Deviati |
|
|
|
|
|
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|||
-5 |
|
|
|
VOUT |
|
|
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|
2 |
|||
-10 |
|
|
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|
1.5 |
||
-15 |
|
|
|
|
|
|
|
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|
1 |
||
-20 |
|
|
|
|
|
|
|
|
|
0.5 |
||
-25 |
|
|
|
IOUT |
|
|
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|
0 |
|||
|
|
|
|
|
|
|
|
|
|
|
||
|
-30 |
|
|
|
|
|
|
|
|
|
-0.5 |
|
|
0 |
0.1 |
0.2 |
0.3 |
0.4 |
0.5 |
0.6 |
0.7 |
0.8 |
0.9 |
1 |
|
Time (ms)
Copyright ANPEC Electronics Corp. |
4 |
www.anpec.com.tw |
Rev. A.6 - Apr., 2003 |
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