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LM2940L-10-TF3-R 数据表(PDF) 4 Page - Unisonic Technologies

部件名 LM2940L-10-TF3-R
功能描述  1A LOW-DROPOUT POSITIVE VOLTAGE REGULATOR
PDF  12 Pages
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制造商  UTC [Unisonic Technologies]
网页  http://www.utc-ic.com
标志 UTC - Unisonic Technologies

LM2940L-10-TF3-R 数据表(HTML) 4 Page - Unisonic Technologies

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LM2940
LINEAR INTEGRATED CIRCUIT
UNISONICTECHNOLOGIESCO.,LTD
4 of 12
www.unisonic.com.tw
QW-R102-016.N
ELECTRICAL CHARACTERISTICS(Cont.)
For LM2940-6.0V
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Output Voltage
VOUT
7.5V ≤ VIN ≤ 26V, 5mA ≤ IOUT ≤ 1A
5.82
6.00
6.18
V
Line Regulation
△
VOUT
VOUT+2V ≤ VIN ≤ 26V, IOUT=5mA
20
60
mV
Load Regulation
△
VOUT
50mA ≤ IOUT ≤ 1A
40
60
mV
Output Impedance
ROUT
100 mA DC and 20mARMS, fO=120Hz
40
mΩ
Quiescent Current
IQ
VOUT+2V ≤ VIN ≤ 26V, IOUT=5mA
10
15
mA
Output Noise Voltage
eN
10Hz-100kHz, IOUT=5mA
180
μVRMS
Ripple Rejection
RR
fO=120Hz, 1VRMS, IOUT=100mA
60
72
dB
Long Term Stability
20
mV/1000Hr
Dropout Voltage
VD
IOUT=1A
0.5
0.8
V
IOUT=100mA
0.13
0.15
Short Circuit Current
ISC
(Note)
2.5
A
Maximum Line Transient
TIN
ROUT=100Ω, T ≤ 100ms
60
75
V
Reverse Polarity DC Input Voltage
VRIN
ROUT=100Ω
-15
-30
V
Reverse Polarity Transient Input
Voltage
VTRRI
ROUT=100Ω, T ≤ 100ms
-50
-75
V
For LM2940-8.0V
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Output Voltage
VOUT
9.4V ≤ VIN ≤ 26V, 5mA ≤ IOUT ≤ 1A
7.76
8.00
8.24
V
Line regulation
△
VOUT
VOUT +2V ≤ VIN ≤ 26V, IOUT=5mA
20
80
mV
Load Regulation
△
VOUT
50mA ≤ IOUT ≤1A
55
80
mV
Output Impedance
ROUT
100 mA DC and 20mARMS, fO=120Hz
55
mΩ
Quiescent Current
IQ
VOUT +2V ≤ VIN ≤ 26V, IOUT =5mA
10
15
mA
Output Noise Voltage
eN
10Hz-100kHz, IOUT =5mA
240
μVRMS
Ripple Rejection
RR
fO=120Hz, 1VRMS, IOUT =100mA
54
66
dB
Long Term Stability
32
mV/1000Hr
Dropout Voltage
VD
IOUT =1A
0.5
0.8
V
IOUT =100mA
0.13
0.15
Short Circuit Current
ISC
(Note)
2.5
A
Maximum Line Transient
TIN
ROUT=100Ω, T ≤ 100ms
60
75
V
Reverse Polarity DC Input Voltage
VRIN
ROUT=100Ω
-15
-30
V
Reverse Polarity Transient Input
Voltage
VTRRI
ROUT=100Ω, T ≤ 100ms
-50
-75
V
For LM2940-9.0V
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Output Voltage
VOUT
10.5V ≤ VIN ≤ 26V, 5mA ≤ IOUT ≤ 1A
8.73
9.00
9.27
V
Line regulation
△
VOUT
VOUT +2V ≤ VIN ≤ 26V, IOUT =5mA
20
90
mV
Load Regulation
△
VOUT
50mA ≤ IOUT ≤ 1A
60
90
mV
Output Impedance
ROUT
100 mA DC and 20mARMS, fO=120Hz
60
mΩ
Quiescent Current
IQ
VOUT +2V ≤ VIN ≤ 26V, IOUT =5mA
10
15
mA
Output Noise Voltage
eN
10Hz-100kHz, IOUT =5mA
270
μVRMS
Ripple Rejection
RR
fO=120Hz, 1VRMS, IOUT =100mA
52
64
dB
Long Term Stability
34
mV/1000Hr
Dropout Voltage
VD
IOUT =1A
0.5
0.8
V
IOUT =100mA
0.13
0.15
Short Circuit Current
ISC
(Note)
2.5
A
Maximum Line Transient
TIN
ROUT=100Ω, T ≤ 100ms
60
75
V
Reverse Polarity DC Input Voltage
VRIN
ROUT=100Ω
-15
-30
V
Reverse Polarity Transient Input
Voltage
VTRRI
ROUT=100Ω, T ≤ 100ms
-50
-75
V



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