AIC1722 AIC [Analog Intergrations Corporation], AIC1722 Datasheet - Page 5
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AIC1722
Manufacturer Part Number
AIC1722
Description
300mA Low Dropout Linear Regulator
Manufacturer
AIC [Analog Intergrations Corporation]
Datasheet
1.AIC1722.pdf
(6 pages)
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TYPICAL PERFORMANCE CHARACTERISTICS
BLOCK DIAGRAM
PIN DESCRIPTION
APPLICATION INFORMATIONS
VOUT PIN - Output pin.
GND PIN - Power GND.
VIN PIN
A 1µF (or greater) capacitor is required between
the AIC1722 output and ground for stability.
Without this capacitor the part will oscillate. Even
though most types of capacitor may work, the
equivalent series resistance (ESR) should be held
to 5Ω or less if Aluminum electrolytic type is used.
Many Aluminum electrolytics have electrolytes
that freeze at about -30°C, so solid tantalums are
recommended for operation below -25°C. The
-100
-200
150
100
0.1
0
0
VIN
0.5
- Power Supply Input.
1.0
C
V
Load Transient Response
OUT
OUT
1.5
= 1 µ F
= 5.2V
CURRENT
LIMITING
2.0
Time (mS)
2.5
-
-
3.0
1.235V
Reference
+
ERROR
AMP
3.5
4.0
SHUTDOWN
THERMAL
4.5
5.0
400
300
200
100
0
4
value of this capacitor may be increased without
limit.
A 0.1µF capacitor (or greater) should be placed
from the AIC1722 input to ground if the lead
inductance between the input and power source
exceeds 500nH (approximately 10 inches of trace).
3.3V
Recommended Max. Output Current v.s. Input Voltage
3.5V
5
3.7V
VOUT
3.8V
GND
6
Input Voltage V
(Continued)
7
5V
8
5.2V
IN
9
(V)
AIC1722
10
11
12
5