TECHNICAL DATA
500mA Low Dropout Linear Voltage Regulator
IL233-xx
Features
♦
Guaranteed 500 mA output current
♦
Line Regulation typically at 0.2% max
♦
Load Regulation typically at 0.4% max
♦
Current Limiting and Thermal Protection
♦
Three-terminal Adjustable Output Voltage 1.25V or
Fixed 1.5V,1.8V, 2.5V, 2.85V, 3.3V, 5V
♦
Input voltage range up to 15V
♦
Dropout voltage 1.2v (Typ.)
General Description
The IL233 is a series of low dropout voltage
regulators which can provide 500mA of output
current. The IL233 is available in seven fixed
voltage,,1.25, 1.5, 1.8, 2.5, 2.85, 3.3 and 5.0V.
Additionally it is also available in adjustable version. It
includes output current-limiting and thermal-limiting
curcuit
The IL233 series is available in TO-92 , SOT-89,
SOT-223 packages.
Applications
Post Regulator for switching DC/DC Converter
●
High Efficiency Linear Regulator
●
Battery Chargers
●
Wireless communication systems
●
Pin Assignment
Pin NO.
1
2
3
Funtion
GND
Output
Input
Absolute Maximum Ratings
Parameter
Input Voltage Vin
Operating Junction Temperature Range
Min.
-25
Typ.
Max.
15
125
Unit
V
°C
1
IL233-x
Electrical Characteristics
At Tj= +25°C, unless otherwise noted.
PARAMETER
OUTPUT VOLTAGE
IL 233 (Adjustable)
IL 233 -1.5
IL 233 -1.8
IL 233 -2.5
IL 233 -2.85
IL 233 -3.3
IL 233 -5.0
LINE REGULATION
IL 233 (Adjustable)
IL 233 -1.5
IL 233 -1.8
IL 233 -2.5
IL 233 -2.85
IL 233 -3.3
IL 233 -5.0
LOAD REGULATION
IL 233 (Adjustable)
(1)
IL 233 -1.5
IL 233 -1.8
IL 233 -2.5
IL 233 -2.85
IL 233 -3.3
IL 233 -5.0
DROPOUT VOLTAGE
(2)
All Models
OUTPUT CRRENT
MINIMUMLOAD
CURRENT
Adjustable Models
QUIESCENT CURRENT
Adjust Pin Current
Vs Load Current, IL 233
TEMPERATURE DRIFT
Io=0.5A
CONDITIONS
Tj = -25°C to +125°C
Io = 10mA to 0.5A, Vin = 2.8V to 12V
Io = 10mA to 0.5A, Vin = 3.0V to 12V
Io = 10mA to 0.5A, Vin = 3.3V to 12V
Io = 10mA to 0.5A, Vin = 4.0V to 12V
Io = 10mA to 0.5A, Vin = 4.4V to 12V
Io = 10mA to 0.5A, Vin = 4.8V to 12V
Io = 10mA to 0.5A, Vin = 6.5V to 15V
Tj = -25°C to +125°C
Io = 10mA, Vin = 2.8V to 12V
Io = 10mA, Vin = 3.0V to 12V
Io = 10mA, Vin = 3.3V to 12V
Io = 10mA, Vin = 4.0V to 12V
Io = 10mA, Vin = 4.4V to 12V
Io = 10mA, Vin = 4.8V to 12V
Io = 10mA, Vin = 6.5V to 15V
Tj = -25°C to +125°C
Io = 10mA to 0.5A, Vin = 2.8V
Io = 10mA to 0.5A, Vin = 3.0V
Io = 10mA to 0.5A, Vin = 3.3V
Io = 10mA to 0.5A, Vin = 4.0V
Io = 10mA to 0.5A, Vin = 4.4V
Io = 10mA to 0.5A, Vin = 4.8V
Io = 10mA to 0.5A, Vin = 6.5V
MIN
TYP
MAX
UNITS
1.225
1.470
1.764
2.450
2.790
3.235
4.900
1.250
1.500
1.800
2.500
2.850
3.300
5.000
1.275
1.530
1.836
2.550
2.910
3.365
5.100
V
-
-
-
-
-
-
-
-
-
-
-
-
-
-
0.2
7
7
7
7
7
10
%
mV
mV
mV
mV
mV
mV
-
-
-
-
-
-
-
-
-
-
-
-
-
-
0.4
10
10
10
10
10
15
%
mV
mV
mV
mV
mV
mV
Io=0.5A
(Tj = -25°C to +125°C.)
Vin -Vo = 5V
1.2
1.2
500
1.30
1.5
V
mA
Vin = 13.5V
Vin = 5V
Io = 10mA, Vin = 1.4 to 10V
Io = 10mA to 0.5A, Vin = 1.4 to 10V
Tj= -25°C to +125°C
10
5.2
50
0.5
0.5
10
120
5
mA
mA
uA
uA
%
NOTES: (1) IL 233 adjustable versions require a minimum load current for ±3% regulation. (2) The dropout voltage
is the input/output differential at which the circuit ceases to regulate against further reduction in input voltage. It is
measured when the output voltage has dropped 100 mV from the nominal value obtained at Vin=Vout+1.5V.
2
Industrial Control Electronics
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