LR78M24CT [LRC]
3-Terminal 0.5A Positive Voltage Regulator; 三端0.5A正电压稳压器
| 型号： | LR78M24CT |
| 厂家： | 
LESHAN RADIO COMPANY |
| 描述： | 3-Terminal 0.5A Positive Voltage Regulator |
| 文件： | 总11页 (文件大小：269K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
LESHAN RADIO COMPANY, LTD.
LR78MXX
3-Terminal 0.5A Positive Voltage Regulator
Features
Description
• Output Current up to 0.5A
The LR78MXX series of three-terminal
• Output Voltages of 5, 6, 8, 12, 15, 18, 24V
• Thermal Overload Protection
• Short Circuit Protection
positive regulators are available in the TO-220/D-PAK
package with several fixed output voltages making it useful
in a wide range of applications.
• Output Transistor Safe Operating Area (SOA)Protection
TO-220
GND
1
D-PAK
GND
1
1. Input 2. GND 3. Output
Internal Block Digram
INPUT
1
OUTPUT
3
SERIES
PASS
ELEMENT
SOA
PROTECTION
CURRENT
GENERATOR
R1
REFERENCE
STARTING
ERROR
AMPLIFIER
VOLTAGE
CIRCUIT
R2
THERMAL
PROTECTION
GND
2
1/11
LESHAN RADIO COMPANY, LTD.
Absolute Maximum Ratings
Parameter
Symbol
Value
Unit
Input Voltage (for V = 5V to 18V)
(for V = 24V)
O
V
V
35
40
V
V
O
I
I
Thermal Resistance Junction-Case (Note1)
TO-220 (Tc = +25°C)
R
2.5
°C/W
θJC
Thermal Resistance Junction-Air (Note1, 2)
TO-220 (Ta = +25°C)
D-PAK (Ta = +25°C)
R
66
92
°C/W
θJA
Operating Junction Temperature Range
Storage Temperature Range
T
0 ~ +150
°C
°C
OPR
T
-65 ~ +150
STG
Note:
1. Thermal resistance test board
Size: 76.2mm * 114.3mm * 1.6mm(1S0P)
JEDEC standard: JESD51-3, JESD51-7
2. Assume no ambient airflow
Electrical Characteristics (LR78M05)
(Refer to the test circuits, 0 < T < +125°C, I =350mA, V =10V, unless otherwise specified, C = 0.33µF, C =0.1µF)
J
O
I
I
O
Parameter
Symbol
Conditions
T = +25°C
Min. Typ. Max.
Unit
4.8
5
5.2
J
Output Voltage
V
V
O
I
= 5mA to 350mA
O
I
4.75
5
5.25
V = 7V to 20V
V = 7V to 25V
-
-
-
-
-
-
-
100
50
I
I
= 200mA
O
J
Line Regulation (Note3)
∆V
∆V
mV
O
T =+25°C
V = 8V to 25V
I
-
-
I
I
= 5mA to 0.5A, T =+25°C
100
50
O
O
J
Load Regulation (Note3)
Quiescent Current
mV
mA
O
= 5mA to 200mA, T =+25 °C
-
J
I
T =+25°C
4.0
-
6.0
0.5
Q
J
I
= 5mA to 350mA
O
Quiescent Current Change
∆I
mA
Q
I
= 200mA
O
I
-
-
0.8
V = 8V to 25V
I
= 5mA
O
J
Output Voltage Drift
Output Noise Voltage
Ripple Rejection
∆V/∆T
-
-
-
-0.5
40
-
-
-
mV/°C
µV/Vo
dB
T = 0 to +125°C
V
N
f = 10Hz to 100kHz
f = 120Hz, I = 300mA
V = 8V to 18V, T =+25 °C
O
RR
80
I
J
Dropout Voltage
Short Circuit Current
Peak Current
V
T =+25°C, I = 500mA
-
-
-
2
-
-
-
V
D
J
O
I
T =+25°C, V = 35V
300
700
mA
mA
SC
J
I
I
T =+25°C
J
PK
Note:
3. Load and line regulation are specified at constant junction temperature. Change in V due to heating effects must be taken
o
into account separately. Pulse testing with low duty is used.
2/11
LESHAN RADIO COMPANY, LTD.
(Continued)
Electrical Characteristics (LR78M06)
(Refer to the test circuits, 0 < T < +125°C, I =350mA, V =11V, unless otherwise specified, C =0.33µF, C =0.1µF)
J
O
I
I
O
Parameter
Symbol
Conditions
Min.
Typ.
Max.
Unit
T = +25°C
J
5.75
6
6.25
Output Voltage
V
O
V
I
= 5mA to 350mA
O
I
5.7
6
6.3
V = 8V to 21V
V = 8V to 25V
-
-
-
-
-
-
-
100
50
I
I
= 200mA
O
J
Line Regulation (Note1)
∆V
∆V
mV
O
O
T = +25°C
V = 9V to 25V
I
-
I
I
= 5mA to 0.5A, T = +25°C
-
-
120
60
O
J
Load Regulation (Note1)
Quiescent Current
mV
mA
= 5mA to 200mA, T = +25°C
O
J
I
Q
T = +25°C
4.0
-
6.0
0.5
J
I
I
= 5mA to 350mA
= 200mA
O
Quiescent Current Change
∆I
Q
mA
O
I
-
-
0.8
V = 9V to 25V
I
= 5mA
O
J
Output Voltage Drift
Output Noise Voltage
Ripple Rejection
∆V/∆T
-
-
-
-0.5
45
-
-
-
mV/°C
µV/Vo
dB
T = 0 to +125°C
V
N
f = 10Hz to 100kHz
f = 120Hz, I = 300mA
V = 9V to 19V, T =+25 °C
O
RR
80
I
J
Dropout Voltage
Short Circuit Current
Peak Current
V
T =+25°C, I = 500mA
-
-
-
2
-
-
-
V
D
J
O
I
T = +25°C, V = 35V
300
700
mA
mA
SC
J
I
I
T =+25°C
J
PK
Note:
1. Load and line regulation are specified at constant junction temperature. Change in V due to heating effects must be taken
o
into account separately. Pulse testing with low duty is used.
3/11
LESHAN RADIO COMPANY, LTD.
(Continued)
Electrical Characteristics (LR78M08)
(Refer to the test circuits, 0 < T < +125°C, I =350mA, V =14V, unless otherwise specified, C = 0.33µF, C =0.1µF)
J
O
I
I
O
Parameter
Symbol
Conditions
Min. Typ. Max.
Unit
T =+25°C
J
7.7
8
8.3
Output Voltage
V
V
O
I
= 5mA to 350mA
O
I
7.6
8
8.4
V = 10.5V to 23V
V = 10.5V to 25V
-
-
-
-
-
-
-
100
50
I
I
= 200mA
O
J
Line Regulation (Note1)
∆V
∆V
mV
O
O
T =+25°C
V = 11V to 25V
I
-
-
I
I
= 5mA to 0.5A, T =+25°C
160
80
O
J
Load Regulation (Note1)
Quiescent Current
mV
mA
= 5mA to 200mA, T =+25°C
-
O
J
I
T = +25°C
4.0
-
6.0
0.5
Q
J
I
I
= 5mA to 350mA
= 200mA
V = 10.5V to 25V
O
Quiescent Current Change
∆I
Q
mA
O
-
-
0.8
I
I
= 5mA
O
J
Output Voltage Drift
Output Noise Voltage
Ripple Rejection
RR
-
-
-
−0.5
52
-
-
-
mV/°C
µV/Vo
dB
T = 0 to +125°C
V
f = 10Hz to 100kHz
N
f = 120Hz, I = 300mA
V = 11.5V to 21.5V, T =+25 °C
O
RR
80
I
J
Dropout Voltage
Short Circuit Current
Peak Current
V
T = +25°C, I = 500mA
-
-
-
2
-
-
-
V
D
J
O
I
T = +25°C, V = 35V
300
700
mA
mA
SC
J
I
I
T = +25°C
J
PK
Note:
1. Load and line regulation are specified at constant junction temperature. Change in V due to heating effects must be taken
O
into account separately. Pulse testing with low duty is used.
4/11
LESHAN RADIO COMPANY, LTD.
(Continued)
Electrical Characteristics (LR78M12)
(Refer to the test circuits, 0 < T < +125°C, I =350mA, V =19V, unless otherwise specified, C =0.33µF, C =0.1µF)
J
O
I
I
O
Parameter
Symbol
Conditions
Min.
Typ.
Max.
Unit
T = +25°C
J
11.5
12
12.5
Output Voltage
V
V
O
I
= 5mA to 350mA
O
I
11.4
12
12.6
V = 14.5V to 27V
V = 14.5V to 30V
-
-
-
-
-
-
-
100
50
I
I
= 200mA
O
J
Line Regulation (Note1)
∆V
∆V
mV
O
T = +25°C
V = 16V to 30V
I
-
I
I
= 5mA to 0.5A, T = +25°C
-
-
240
120
6.0
0.5
O
J
Load Regulation (Note1)
Quiescent Current
mV
mA
O
= 5mA to 200mA, T = +25°C
O
J
I
T =+25°C
4.1
-
Q
J
I
I
= 5mA to 350mA
= 200mA
V = 14.5V to 30V
O
Quiescent Current Change
∆I
mA
Q
O
-
-
0.8
I
I
= 5mA
O
J
Output Voltage Drift
Output Noise Voltage
Ripple Rejection
∆V/∆T
-
-
-
-0.5
75
-
-
-
mV/°C
µV/Vo
dB
T = 0 to +125°C
V
f = 10Hz to 100kHz
N
f = 120Hz, I = 300mA
V = 15V to 25V, T =+25 °C
O
RR
80
I
J
Dropout Voltage
Short Circuit Current
Peak Current
V
T =+25°C, I = 500mA
-
-
-
2
-
-
-
V
D
J
O
I
T = +25°C, V = 35V
300
700
mA
mA
SC
J
I
I
T = +25°C
J
PK
Note:
1. Load and line regulation are specified at constant junction temperature. Change in V due to heating effects must be taken
o
into account separately. Pulse testing with low duty is used.
5/11
LESHAN RADIO COMPANY, LTD.
Electrical Characteristics (LR78M15) (Continued)
(Refer to the test circuits, 0 < T < +125°C, I =350mA, V =23V, unless otherwise specified, C =0.33µF, C =0.1µF)
J
O
I
I
O
Parameter
Symbol
Conditions
Min.
Typ.
Max.
Unit
T = +25°C
J
14.4
15
15.6
Output Voltage
V
V
O
I
= 5mA to 350mA
O
I
14.25
15
15.75
V = 17.5V to 30V
V = 17.5V to 30V
-
-
-
-
-
-
-
100
50
I
I
= 200mA
O
J
Line Regulation (Note1)
∆V
∆V
mV
O
T =+25°C
V = 20V to 30V
I
-
I
I
= 5mA to 0.5A, T =+25°C
-
-
300
150
6.0
0.5
O
J
Load Regulation (Note1)
Quiescent Current
mV
mA
O
= 5mA to 200mA, T =+25°C
O
J
I
Q
T = +25°C
4.1
-
J
I
I
= 5mA to 350mA
O
Quiescent Current Change
∆I
Q
mA
= 200mA
O
I
-
-
0.8
V = 17.5V to 30V
I
= 5mA
T = 0 to +125°C
O
J
Output Voltage Drift
Output Noise Voltage
Ripple Rejection
∆V/∆T
-
-
-
-1
100
70
-
-
-
mV/°C
µV/Vo
dB
V
N
f = 10Hz to 100kHz
f = 120Hz, I = 300mA
V = 18.5V to 28.5V, T =+25 °C
O
RR
I
J
Dropout Voltage
Short Circuit Current
Peak Current
V
T =+25°C, I = 500mA
-
-
-
2
-
-
-
V
D
J
O
I
T = +25°C, V = 35V
300
700
mA
mA
SC
J
I
I
T = +25°C
J
PK
Note:
1. Load and line regulation are specified at constant junction temperature. Change in V due to heating effects must be taken
O
into account separately. Pulse testing with low duty is used.
6/11
LESHAN RADIO COMPANY, LTD.
Electrical Characteristics (LR78M18) (Continued)
(Refer to the test circuits, 0 < T < +125°C, I =350mA, V =26V, unless otherwise specified, C =0.33µF, C =0.1µF)
J
O
I
I
O
Parameter
Symbol
Conditions
Min. Typ. Max.
Unit
T = +25°C
J
17.3 18
18.7
Output Voltage
V
O
V
I
= 5mA to 350mA
O
I
17.1 18
18.9
V = 20.5V to 33V
V = 21V to 33V
-
-
-
-
-
-
-
100
50
I
I
= 200mA
O
J
Line Regulation (Note1)
∆V
mV
O
T = +25°C
V = 24V to 33V
I
-
I
I
= 5mA to 0.5A, T = +25°C
-
-
360
180
6.0
0.5
O
J
Load Regulation (Note1)
Quiescent Current
∆VΟ
mV
mA
= 5mA to 200mA, T = +25°C
O
J
I
T = +25°C
4.2
-
Q
J
I
I
= 5mA to 350mA
O
Quiescent Current Change
∆I
Q
mA
= 200mA
O
I
-
-
0.8
V = 21V to 33V
Output Voltage Drift
Output Noise Voltage
∆V/∆T
I
= 5mAT = 0 to 125°C
-
-
-1.1
100
-
-
mV/°C
µV/Vo
O
J
V
N
f = 10Hz to 100kHz
f = 120Hz, I = 300mA , V = 22V to 32V
T =+25 °C
J
O
I
Ripple Rejection
RR
-
70
-
dB
Dropout Voltage
Short Circuit Current
Peak Current
V
T = +25°C, I = 500mA
-
-
-
2
-
-
-
V
D
J
O
I
T = +25°C, V = 35V
300
700
mA
mA
SC
J
I
I
T = +25°C
J
PK
Note:
1. Load and line regulation are specified at constant junction temperature. Change in V due to heating effects must be taken
O
into account separately. Pulse testing with low duty is used.
7/11
LESHAN RADIO COMPANY, LTD.
Electrical Characteristics (LR78M24) (Continued)
(Refer to the test circuits, 0 < T < +125°C, I =350mA, V =33V, unless otherwise specified, C =0.33µF, C =0.1µF)
J
O
I
I
O
Parameter
Symbol
Conditions
Min.
Typ.
Max.
Unit
T =+25°C
J
23
24
25
Output Voltage
V
V
O
I
= 5mA to 350mA
O
I
22.8
24
25.2
V = 27V to 38V
V = 27V to 38V
= 200mA
-
-
-
-
-
-
-
100
50
I
I
O
J
Line Regulation (Note1)
∆V
∆V
mV
O
T =+25°C
V = 28V to 38V
I
-
I
I
= 5mA to 0.5A, T =+25°C
-
-
480
240
6.0
0.5
O
J
Load Regulation (Note1)
Quiescent Current
mV
mA
O
= 5mA to 200mA, T =+25°C
O
J
I
T = +25°C
4.2
-
Q
J
I
O
= 5mA to 350mA
Quiescent Current Change
∆I
mA
Q
I
= 200mA
O
I
-
-
0.8
V = 27V to 38V
I
= 5mA
O
J
Output Voltage Drift
Output Noise Voltage
Ripple Rejection
∆V/∆T
-
-
-
-1.2
170
70
-
-
-
mV/°C
µV/Vo
dB
T = 0 to +125°C
V
f = 10Hz to 100kHz
N
f = 120Hz, I = 300mA
V = 28V to 38V, T =+25 °C
O
RR
I
J
Dropout Voltage
Short Circuit Current
Peak Current
V
T = +25°C, I = 500mA
-
-
-
2
-
-
-
V
D
J
O
I
T = +25°C, V = 35V
300
700
mA
mA
SC
J
I
I
T = +25°C
J
PK
Note:
1. Load and line regulation are specified at constant junction temperature. Change in V due to heating effects must be taken
O
into account separately. Pulse testing with low duty is used.
8/11
LESHAN RADIO COMPANY, LTD.
Mechanical Dimensions
Package
Dimensions in millimeters
TO-220
4.50 ±0.20
9.90 ±0.20
(8.70)
+0.10
–0.05
1.30
ø3.60 ±0.10
1.27 ±0.10
1.52 ±0.10
0.80 ±0.10
+0.10
–0.05
0.50
2.40 ±0.20
2.54TYP
2.54TYP
[2.54 ±0.20]
[2.54 ±0.20]
10.00 ±0.20
9/11
LESHAN RADIO COMPANY, LTD.
Mechanical Dimensions (Continued)
Package
Dimensions in millimeters
D-PAK
6.60 ±0.20
5.34 ±0.30
2.30 ±0.10
0.50 ±0.10
(0.50)
(4.34)
(0.50)
0.76 ±0.10
MAX0.96
0.50 ±0.10
1.02 ±0.20
2.30 ±0.20
2.30TYP
2.30TYP
[2.30±0.20]
[2.30±0.20]
6.60 ±0.20
(5.34)
(5.04)
(1.50)
(2XR0.25)
0.76 ±0.10
10/11
LESHAN RADIO COMPANY, LTD.
Ordering Information
Product Number
LR78M05CT
LR78M06CT
LR78M08CT
LR78M12CT
LR78M15CT
LR78M18CT
LR78M24CT
LR78M05CDT
LR78M06CDT
LR78M08CDT
LR78M12CDT
Package
Operating Temperature
TO-220
0 ~ +125°C
D-PAK
11/11
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