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LM2940L-10-TF3-R Datasheet(PDF) 5 Page - Unisonic Technologies

Part # LM2940L-10-TF3-R
Description  1A LOW-DROPOUT POSITIVE VOLTAGE REGULATOR
PDF  12 Pages
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Manufacturer  UTC [Unisonic Technologies]
Direct Link  http://www.utc-ic.com
Logo UTC - Unisonic Technologies

LM2940L-10-TF3-R Datasheet(HTML) 5 Page - Unisonic Technologies

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LM2940
LINEAR INTEGRATED CIRCUIT
UNISONICTECHNOLOGIESCO.,LTD
5 of 12
www.unisonic.com.tw
QW-R102-016.N
ELECTRICAL CHARACTERISTICS(Cont.)
For LM2940-10V
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Output Voltage
VOUT
11.5V ≤ VIN ≤ 26V, 5mA ≤ IOUT ≤ 1A
9.70
10.00 10.30
V
Line regulation
△
VOUT
VOUT +2V ≤ VIN ≤ 26V, IOUT =5mA
20
100
mV
Load Regulation
△
VOUT
50mA ≤ IOUT ≤ 1A
65
100
mV
Output Impedance
ROUT
100mA DC and 20mARMS, fO=120Hz
65
mΩ
Quiescent Current
IQ
VOUT +2V ≤ VIN ≤ 26V, IOUT =5mA
10
15
mA
Output Noise Voltage
eN
10Hz-100kHz, IOUT =5mA
300
μVRMS
Ripple Rejection
RR
fO=120Hz, 1VRMS, IOUT =100mA
51
63
dB
Long Term Stability
36
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
UTC LM2940-12V
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Output Voltage
VOUT
13.6V ≤ VIN ≤ 26V, 5mA ≤ IOUT ≤ 1A
11.64 12.00 12.36
V
Line regulation
△
VOUT
VOUT +2V ≤ VIN ≤ 26V, IOUT =5mA
20
120
mV
Load Regulation
△
VOUT
50mA ≤ IOUT ≤ 1A
55
120
mV
Output Impedance
ROUT
100mA DC and 20mARMS, fO=120Hz
80
mΩ
Quiescent Current
IQ
VOUT +2V ≤ VIN ≤ 26V, IOUT =5mA
10
15
mA
Output Noise Voltage
eN
10Hz-100kHz, IOUT =5mA
360
μVRMS
Ripple Rejection
RR
fO=120Hz, 1VRMs, IOUT =100mA
54
66
dB
Long Term Stability
48
mV/1000Hr
Dropout Voltage
VD
IOUT =1A
0.5
0.8
V
IOUT =100mA
0.11
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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