AIC1735
500mA Low Dropout Linear Regulator
`FEATURES
Low Dropout Voltage of 650mV at 500mA
Output Current (3V Output Version).
Guaranteed 500mA Output Current.
Low Ground Current at 65µA.
2% Accuracy Output Voltage of 1.8V/ 2.0V
/2.5V /2.7V/ 3.0V/ 3.3V/ 3.5V/ 3.7V/ 3.8V/ 5.0V/
5.2V.
Only needs 4.7µF Output Capacitor for Stability.
Current and Thermal Limiting.
DESCRIPTION
The AIC1735 is a 3-pin low dropout linear
regulator. The superior characteristics of the
AIC1735 include zero base current loss, very
low dropout voltage, and 2% accuracy output
voltage.
Typical
ground
current
remains
approximately 65µA, for loading ranging from
zero to maximum. Dropout voltage turns
substantially low when output current is
100mA.
Built-in output current limiting and
thermal limiting provide maximal protection to
APPLICATIONS
CD-ROM Drivers.
LAN Cards.
Microprocessor.
RAM Module.
Wireless Communication Systems.
Battery Powered Systems.
the AIC1735 against fault conditions.
The AIC1735 is available in popular SOT-23,
SOT-223, SOT-89 and TO-252 packages.
TYPICAL APPLICATION CIRCUIT
VOUT
VIN
V
IN
AIC1735
V
OUT
+
1µF
C
IN
GND
+
4.7µF
C
OUT
(Note1)
Low Dropout Linear Regulator
Analog Integrations Corporation
Si-Soft Research Center
3A1, No.1, Li-Hsin Rd. I , Science Park , Hsinchu 300, Taiwan , R.O.C.
TEL: 886-3-5772500
FAX: 886-3-5772510
www.analog.com.tw
DS-1735G-01 040606
1
AIC1735
ABSOLUTE MAXIMUM RATINGS
Input Supply Voltage
Operating Temperature Range
Maximum Junction Temperature
Storage Temperature Range
Lead Temperature (Soldering) 10 sec.
Thermal Resistance Junction to Case
SOT-23 Package
TO-252 Package
SOT-89 Package
SOT-223 Package
Thermal Resistance Junction to Ambient
(Assume no Ambient Airflow, no Heatsink)
SOT-23 Package
TO-252 Package
SOT-89 Package
SOT-223 Package
-0.3~12V
-40°C~
85°C
150°C
-65°C~150°C
260°C
130°C/W
12.5°C/W
100°C/W
15°C/W
180°C/W
100°C/W
160°C/W
130°C/W
Absolute Maximum Ratings are those values beyond which the life of a device may be impaired.
TEST CIRCUIT
Refer to the TYPICAL APPLICATION CIRCUIT
4
AIC1735
ELECTRICAL CHARACTERISTICS
otherwise specified.) (Note2)
(T
A
=25°C, C
IN
=1µF, C
OUT
=4.7µF, unless
PARAMETER
TEST CONDITIONS
No Load
AIC1735-52
AIC1735-50
AIC1735-38
AIC1735-37
AIC1735-35
AIC1735-33
AIC1735-30
AIC1735-27
AIC1735-25
AIC1735-20
AIC1735-18
(Note 3)
I
L
=1mA,
1.4V≤V
OUT
≤3.2V
3.3V≤V
OUT
≤5.2V
I
L
=0.1~500mA
1.4V≤V
OUT
≤3.9V
4.0V≤V
OUT
≤5.2V
V
IN
=7V, V
OUT
=0V
4.0V≤V
OUT
≤5.2V
3.0V≤V
OUT
≤3.9V
2.5V≤V
OUT
≤2.9V
2.0V≤V
OUT
≤2.4V
1.4V≤V
OUT
≤1.9V
V
IN
=5~12V
V
IN
=7~12V
V
IN
=5.5~12V
V
IN
=5.5~12V
V
IN
=4.7~12V
V
IN
=4.7~12V
V
IN
=4.7~12V
V
IN
=4.7~12V
V
IN
=4.0~12V
V
IN
=4.0~12V
V
IN
=4.0~12V
V
IN
=4.0~12V
V
IN
=4.0~12V
MIN.
5.100
4.900
3.725
3.625
3.430
3.235
2.940
2.646
2.450
1.960
1.764
TYP.
5.200
5.000
3.800
3.700
3.500
3.300
3.000
2.700
2.500
2.000
1.800
50
MAX.
5.300
5.100
3.875
3.775
3.570
3.365
3.060
2.754
2.550
2.040
1.836
UNIT
Output Voltage
V
Output Voltage
Temperature
Coefficiency
Line Regulation
PPM/°C
V
IN
=4V~12V
V
IN
=5.5V~12V
V
IN
=5V
V
IN
=7V
500
3
3
10
20
10
10
30
50
mV
Load Regulation
(Note 4)
Current Limit
(Note 5)
Dropout Voltage
(Note 6)
mV
mA
I
L
=500mA
510
650
780
1100
1400
65
65
710
850
980
1300
1600
90
90
mV
Ground Current
I
O
=0.1mA~I
MAX
1.4V≤V
OUT
≤3.9V
4.0V≤V
OUT
≤5.2V
µA
Note 1: To avoid output oscillation, aluminum electrolytic output capacitor is recommended and ceramic
capacitor is not suggested.
Note 2:
Specifications are production tested at T
A
=25°C. Specifications over the -40°C to 85°C
operating temperature range are assured by design, characterization and correlation with
Statistical Quality Controls (SQC).
Note 3:
Guaranteed by design.
Note 4:
Regulation is measured at constant junction temperature, using pulse testing with a low ON
time.
Note 5:
Current limit is measured by pulsing a short time.
Note 6:
Dropout voltage is defined as the input to output differential at which the output voltage drops
100mV below the value measured with a 1V differential.
5
FPGA/CPLD
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