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ANPEC

APL541 Datasheet Preview

APL541 Datasheet

Regulator

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APL1541
1A Low Dropout Fast Response Positive Adjustable Regulator and Fixed 3.3V
Features
General Description
Guaranteed Output Voltage Accuracy within 2% The APL1541 is a low dropout three-terminal adjust-
able regulators with 1A output current capability. In
Fast Transient Response
order to obtain lower dropout voltage and faster tran-
Guaranteed Dropout Voltage at Multiple Cur-
sient response, which is critical for low voltage ap-
plications , the APL1541 has been optimized.
rents
Load Regulation : 0.1% Typ.
Line Regulation : 0.03% Typ.
The device is available in an adjustable version and
fixed output voltages of 3.3V, the output available
voltage range is from 1.25~7.75V with an input sup-
Low Dropout Voltage : 1.1V Typ. at IOUT =1A
Current Limit : 1A Typ. at TJ=125 °C
On-Chip Thermal Limiting : 150 °C Typ.
Adjustable Output : 1.25~7.75V
ply below 12V. Dropout voltage is guaranteed at a
maximum of 1.3V at 1A.
Current limit is trimmed to ensure specified output
current and controlled short-circuit current. On-chip
thermal limiting provides protection against any com-
Standard 8-pin SO Power Package
bination of overload that would create excessive junc-
tion temperatures.
Applications
The APL1541 is available in the industry standard 8-
pin SO power package which can be used in appli-
cations where space is limited.
Peripheral Cards
Active SCSI Terminators
Low Voltage Logic Supplies
Post Regulator for Switching Power Supply
Pin Description
NC 1
8
VOUT
ADJ/GND
VIN
2
7
APL1541-33
3
6
VOUT
VOUT
NC 4
5
VOUT
Front View for SO - 8
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
Rev. A.2 - Oct., 2003
www.anpec.com.tw




ANPEC

APL541 Datasheet Preview

APL541 Datasheet

Regulator

No Preview Available !

APL1541
Ordering and Marking Information
APL1541-
APL1541
APL1541- XXXXX
Lead Free Code
H andling Code
Temp. Range
Package Code
V oltage C ode
XXXXX - Date Code
Package Code
K : SOP-8
Temp. Range
C : 0 to 70 ° C
H andling Code
TU : Tube
TR : Tape & Reel
V oltage C ode
33: 3.3V
Blank : Adjustable Version
Lead Free Code
L : Lead Free Device B lank : O riginal Device
APL1541- 33 :
APL1541
XXXXX33
XXXXX - Date Code
Absolute Maximum Ratings
Symbol
VI
TJ
TSTG
TL
Parameter
Input Voltage
Operating Junction Temperature Range
Control Section
Power Transistor
Storage Temperature Range
Lead Temperature (Soldering, 10 second)
Rating
Unit
13.2
V
0 to 125
°C
0 to 150
-65 to +150
°C
260
°C
Electrical Characteristics
Symbol Parameter
Test Conditions
VREF
Reference Voltage 10mAIOUT 1A, 1.4V(VIN -VOUT) 9.75V,
APL1541 TJ =0~125°C
Output Voltage TJ =0~125°C,
VOUT
APL1541-33 0IOUT1A, 4.75VVIN12V,
APL1541
Min. Typ. Max.
Unit
1.225 1.250 1.275 V
3.235 3.300 3.365 V
Line Regulation TJ =0~125°C
REGLINE
APL1541 IOUT=10mA, 1.5V(VIN -VOUT) 9.75V, (note1)
APL1541-33 IOUT=0A, 4.75V(VIN -VOUT) 7.75V, (note 1)
Load Regulation TJ =0~125°C
REGLOAD
APL1541 (VIN -VOUT)=3V, 0IOUT 1A ,(note 1)
APL1541-33 VIN=4.75V, 0IOUT 1A ,(note 1)
Dropout Voltage IOUT=100mA ,TJ =0~125°C
VD
IOUT=500mA ,TJ =0~125°C
IOUT=1A ,TJ =0~125°C
0.03 0.2 %
1
6 mV
0.1
0.4
%
1
10 mV
1
1.1
1.05 1.2 V
1.1 1.3
Copyright ANPEC Electronics Corp.
2
Rev. A.2 - Oct., 2003
www.anpec.com.tw



Part Number APL541
Description Regulator
Maker ANPEC
Total Page 3 Pages
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