LRC LR7550-1

LESHAN RADIO COMPANY, LTD.
L R75XX
100mA CMOS Low Power LDO
Features
High output current : 100mA (Pd ≤ 250mW)
Output voltage accuracy: tolerance±3%
TO-92, SOT-89 and SOT-25 package
Low power consumption
Low voltage drop
Low temperature coefficient
High input voltage (up to 24V)
Applications
Battery-powered equipment
Communication equipment
Audio/Video equipment
General Description
The LR75XX- 1 series is a set of three-terminal high
current low voltage regulator implemented in CMOS
technology. They can deliver 100mA output current
and allow an input voltage as high as 24V. They are
available with several fixed output voltages ranging
from 3.0V to 5.0V. CMOS technology ensures low
voltage drop and low quiescent current. Although
designed primarily as fixed voltage regulators,
these devices can be used with external
components to obtain variable voltages and
currents.
Selection Table
Part No.
Output Voltage
Tolerance
Package
Marking
L R7530-1
3.0V
±3%
LR7533-1
3.3V
±3%
TO-92
75XX-1 (for TO-92)
LR7536-1
SOT-89
75XX-1 (for SOT-89)
3.6V
±3%
SOT-25
5XX (for SOT-25)
LR7544-1
4.4V
±3%
LR7550-1
5.0V
±3%
Note: “XX”stands for output voltages.
For lead free devices, TO-92 package will add a “#”mark at the end of the date code, whereas SOT-89 &
SOT-25 packages will add a “#”mark at the end of the marking.
Block Diagram
V IN
V O U T
V re f
G N D
1/9
LESHAN RADIO COMPANY, LTD.
L R75XX
Pin Assignment
T O -9 2
S O T -8 9
7 5 X X -1
S O T -2 5
N C
F r o n t V ie w
7 5 X X -1
G N D
V IN
V O U T
B o tto m
G N D
V IN
G N D
V IN
N C
5 X X
V O U T
T o p V ie w
G N D
V IN
V O U T
G N D
V IN
V O U T
V ie w
V O U T
Absolute Maximum Ratings
Supply Voltage ................. ................. 0.3V to 26V
Power Consumption (*1) .............. ............250mW
Power Consumption (*2) ...........................150mW
Storage Temperature .....................-50℃ to 125℃
Operating Temperature ......................-40℃ to 85℃
Note: These are stress ratings only. Stresses exceeding the range specified under”Absolute Maximum
Ratings”may cause substantial damage to the device. Functional operation of this device at other
conditions beyond those listed in the specification is not implied and prolonged exposure to extreme
conditions may affect device reliability.
*1: applied to SOT89 and TO-92
*2: applied to SOT-25
2/9
LESHAN RADIO COMPANY, LTD.
L R75XX
Electrical Characteristics
L R7530-1, +3.0V Output Type
Ta=25℃
VOUT
Output Voltage Tolerance
Test Conditions
VIN
Condition
5V
IOUT=10mA
IOUT
Output Current
5V
——
△VOUT
Load Regulation
VDIF
Voltage Drop
ISS
Current Consumption
Symbol
△VOUT
△VIN×△VOUT
VIN
△VOUT
△Ta
Parameter
Min.
Typ.
Max.
Unit
2.91
3.0
3.09
V
60
100
——
mA
5V
1mA≤IOUT≤50mA
60
150
mV
——
IOUT=1mA
——
100
——
mV
5V
No load
——
3.5
7
μA
——
0.2
——
%/V
——
——
24
V
——
±0.45
——
mV/℃
Line Regulation
——
Input Voltage
——
Temperature
Coefficient
5V
4V≤VIN≤24V
IOUT=1mA
——
IOUT=10mA
0℃<Ta<70℃
L R7533-1, +3.3V Output Type
Ta=25℃
VOUT
Output Voltage Tolerance
Test Conditions
VIN
Condition
5.5V
IOUT=10mA
IOUT
Output Current
5.5V
——
△VOUT
Load Regulation
5.5V
1mA≤IOUT≤50mA
VDIF
Voltage Drop
——
IOUT=1mA
——
100
——
mV
ISS
Current Consumption
5.5V
No load
——
3.5
7
μA
Line Regulation
——
——
0.2
——
%/V
Input Voltage
——
——
——
24
V
Temperature
Coefficient
5.5V
——
±0. 5
——
mV/℃
Symbol
△VOUT
△VIN×△VOUT
VIN
△VOUT
△Ta
Parameter
4.5V≤VIN≤24V
IOUT=1mA
——
IOUT=10mA
0℃<Ta<70℃
Min.
Typ.
Max.
Unit
3.201
3.3
3.399
V
60
100
——
mA
60
150
mV
3/9
LESHAN RADIO COMPANY, LTD.
L R75XX
L R7536-1, +3.6V Output Type
Ta=25℃
VOUT
Output Voltage Tolerance
Test Conditions
VIN
Condition
5.6V
IOUT=10mA
IOUT
Output Current
5.6V
——
△VOUT
Load Regulation
5.6V
1mA≤IOUT≤50mA
VDIF
Voltage Drop
——
IOUT=1mA
——
100
——
mV
ISS
Current Consumption
5.6V
No load
——
3.5
7
μA
——
0.2
——
%/V
——
——
24
V
——
±0. 6
——
mV/℃
Symbol
△VOUT
△VIN×△VOUT
VIN
△VOUT
△Ta
Parameter
Line Regulation
——
Input Voltage
——
Temperature
Coefficient
5.6V
4.5V≤VIN≤24V
IOUT=1mA
——
IOUT=10mA
0℃<Ta<70℃
Min.
Typ.
Max.
Unit
3.492
3.6
3.708
V
60
100
——
mA
60
150
mV
L R7544-1, +4.4V Output Type
Ta=25℃
VOUT
Output Voltage Tolerance
Test Conditions
VIN
Condition
6.4V
IOUT=10mA
IOUT
Output Current
6.4V
——
△VOUT
Load Regulation
6.4V
1mA≤IOUT≤50mA
VDIF
Voltage Drop
——
IOUT=1mA
——
100
——
mV
ISS
Current Consumption
6.4V
No load
——
3.5
7
μA
——
0.2
——
%/V
——
——
24
V
——
±0. 7
——
mV/℃
Symbol
△VOUT
△VIN×△VOUT
VIN
△VOUT
△Ta
Parameter
Line Regulation
——
Input Voltage
——
Temperature
Coefficient
6.4V
5.4V≤VIN≤24V
IOUT=1mA
——
IOUT=10mA
0℃<Ta<70℃
Min.
Typ.
Max.
Unit
4.268
4.4
4.532
V
60
100
——
mA
60
150
mV
4/9
LESHAN RADIO COMPANY, LTD.
L R75XX
L R7550-1, +5.0V Output Type
Ta=25℃
VOUT
Output Voltage Tolerance
Test Conditions
VIN
Condition
7V
IOUT=10mA
IOUT
Output Current
7V
——
△VOUT
Load Regulation
VDIF
Voltage Drop
ISS
Current Consumption
Symbol
Parameter
△VOUT
△VIN×△VOUT
VIN
△VOUT
△Ta
Min.
Typ.
Max.
Unit
4.85
5.0
5.15
V
100
150
——
mA
7V
1mA≤IOUT≤70mA
60
150
mV
——
IOUT=1mA
——
100
——
mV
7V
No load
——
3.5
7
μA
——
0.2
——
%/V
——
——
24
V
——
±0. 75
——
mV/℃
Line Regulation
——
Input Voltage
——
Temperature
Coefficient
7V
6V≤VIN≤24V
IOUT=1mA
——
IOUT=10mA
0℃<Ta<70℃
Application Circuits
Basic Circuits
V
IN
V
IN
C 1
1 0 m F
V
LR75XX
O U T
C 2
1 0 m F
G N D
C e m m e n
V
O U T
C e m m e n
S in g le p e in t G N D
High Output Current Positive Voltage Regulator
T r1
V
V
IN
IN
LR75XX
V
V
O U T
O U T
R 1
C 1
1 0 m F
C e m m e n
G N D
C 2
1 0 m F
S in g le p e in t G N D
C e m m e n
5/9
LESHAN RADIO COMPANY, LTD.
L R75XX
Short-Circuit Protection by Tr1
V
R s
IN
T r1
V
IN
LR75XX
V
V
O U T
O U T
R 1
C 1
1 0 m F
C 2
1 0 m F
G N D
C e m m e n
C e m m e n
S in g le p e in t G N D
Circuit for Increasing Output Voltage
V
V
IN
IN
V
LR75XX
C 1
1 0 m F
G N D
IS
V
O U T
C 2
1 0 m F
S
V
X X
O U T
R 1
R 2
C e m m e n
S in g le p e in t G N D
VOUT = VXX ( 1 +
C e m m e n
R2
) + ISS R2
R1
Circuit for Increasing Output Voltage
V
V
IN
C 1
1 0 m F
IN
LR75XX
G N D
IS
V
V
O U T
S
C 2 V
1 0 m F
X X
O U T
R 1
D 1
C e m m e n
S in g le p e in t G N D
C e m m e n
VOUT = VXX + VD1
6/9
LESHAN RADIO COMPANY, LTD.
L R75XX
Constant Current Regulator
V
V
IN
V
IN
O U T
LR75XX
C 1
1 0 m F
G N D
IS
C 2
1 0 m F V
S
R
X X
A
IO
U T
R
L
C e m m e n
VXX
+ ISS
RA
IOUT =
Dual Supply
IC 1
V
V
IN
IN
LR75XX
IC 2
V
C 1
1 0 m F
IN
LR75XX
G N D
C e m m e n
O U T
V
O U T
V
O U T
C 3
1 0 m F
G N D
V
V
O U T
C 2
1 0 m F
R 1
C e m m e n
Package Information
3-pin TO-92 Outline Dimensions
7/9
LESHAN RADIO COMPANY, LTD.
L R75XX
Min.
Dimensions in mil
Nom.
Max.
A
170
—
200
B
170
—
200
C
500
—
—
D
11
—
20
E
90
—
110
F
45
—
55
G
45
—
65
H
130
—
160
I
8
—
18
α
4o
—
6o
Dimensions in mil
Nom.
—
—
—
—
—
—
—
59
—
—
Max.
181
72
102
47
167
19
22
—
63
17
Symbol
3-pin SOT-89 Outline Dimensions
Symbol
A
B
C
D
E
F
G
H
I
J
Min.
173
64
90
35
155
14
17
—
55
14
8/9
LESHAN RADIO COMPANY, LTD.
L R75XX
5-pin SOT-25 Outline Dimensions
Symbol
Dimensions in mm
Min.
Nom.
Max.
A
1.00
——
1.30
A1
——
——
0.10
A2
0.70
——
0.9
b
0.35
——
0.5
C
0.10
——
0.25
D
2.70
——
3.10
E
1.40
——
1.80
e
——
1.09
——
H
2.60
——
3
L
0.37
——
——
Ө
1°
9
9/9