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LM78LM18K-XX-TU bảng dữ liệu(PDF) 7 Page - TAITRON Components Incorporated

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Giải thích chi tiết về linh kiện  200mA Positive Voltage Regulator
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nhà sản xuất  TAITRON [TAITRON Components Incorporated]
Trang chủ  http://www.taitroncomponents.com
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200mA Positive Voltage Regulator
Rev. A/DX 2007-06-04
LM78LM
www.taitroncomponents.com
Page 7 of 15
For LM78LM18 (VIN=27V, IOUT=40mA, 0° C<TJ<125° C, C1=0.33µF, CO=0.1µF, unless otherwise specified)
LM78LM18
Symbol
Description
Min.
Typ.
Max.
Unit
Test Conditions
17.28
18.00
18.72
V
TJ=25℃
17.10
-
18.90
V
21V≤VIN≤33V, IOUT=1mA-40mA
VOUT
Output Voltage
17.10
-
18.90
V
21V≤VIN≤VMAX, IOUT=1mA-
200mA, Power Dissipation<0.5W
-
30
170
mV
TJ=25℃, 1mA≤IOUT≤100mA
∆VOUT
Load Regulation
-
15
85
mV
TJ=25℃, 1mA≤IOUT≤40mA
-
145
300
mV
TJ=25℃, 21V≤VIN≤33V
∆VOUT
Line Regulation
-
135
250
mV
TJ=25℃, 22V≤VIN≤33V
IQ
Quiescent Current
-
2.0
6.0
mA
-
-
1.5
mA
21V≤VIN≤33V
∆IQ
Quiescent Current Change
-
-
0.1
mA
1mA≤IIN≤40mA
eN
Output Noise Voltage
-
150
-
µV
10Hz≤f≤100KHz
∆VO/∆T
Temperature coefficient of VOUT
-
-1.8
-
mV/℃
IOUT=5mA
RR
Ripple Rejection
34
48
-
dB
23V≤VIN≤33V, f=120Hz, TJ=25℃
VD
Dropout Voltage
-
1.7
-
V
TJ=25℃
For LM78LM24 (VIN=33V, IOUT=40mA, 0° C<TJ<125° C, C1=0.33µF, CO=0.1µF, unless otherwise specified)
LM78LM24
Symbol
Description
Min.
Typ.
Max.
Unit
Test Conditions
23.04
24.00
24.96
V
TJ=25℃
22.80
-
25.20
V
27V≤VIN≤38V, IOUT=1mA-40mA
VOUT
Output Voltage
22.80
-
25.20
V
27V≤VIN≤VMAX, IOUT=1mA-
200mA, Power Dissipation<0.5W
-
40
200
mV
TJ=25℃, 1mA≤IOUT≤100mA
∆VOUT
Load Regulation
-
20
100
mV
TJ=25℃, 1mA≤IOUT≤40mA
-
160
300
mV
TJ=25℃, 27V≤VIN≤38V
∆VOUT
Line Regulation
-
150
250
mV
TJ=25℃, 28V≤VIN≤38V
IQ
Quiescent Current
-
2.2
6.0
mA
-
-
1.5
mA
27V≤VIN≤38V
∆IQ
Quiescent Current Change
-
-
0.1
mA
1mA≤IIN≤40mA
eN
Output Noise Voltage
-
200
-
µV
10Hz≤f≤100KHz
∆VO/∆T
Temperature coefficient of
VOUT
-
-2.0
-
mV/℃
IOUT=5mA
RR
Ripple Rejection
34
45
-
dB
27V≤VIN≤38V, f=120Hz, TJ=25℃
VD
Dropout Voltage
-
1.7
-
V
TJ=25℃
Note: The maximum steady state usable output current is dependent on input voltage, heat sinking, lead length of
the package and copper pattern of PCB. The data above represent pulse test conditions with junction
temperatures specified at the initiation of test.


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