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LM2937L-TQ3-R Folha de dados(PDF) 5 Page - E-Tech Electronics LTD

Nome de Peças LM2937L-TQ3-R
Descrição Electrónicos  500mA LOW DROPOUT VOLTAGE REGULATOR
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Fabricante Electrônico  ETL [E-Tech Electronics LTD]
Página de início  http://e-tech.com.hk
Logo ETL - E-Tech Electronics LTD

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LM2937
LINEAR INTEGRATED CIRCUIT
UNISONICTECHNOLOGIESCO.,LTD
5 of 10
www.unisonic.com.tw
QW-R102-012.I
ELECTRICAL CHARACTERISTICS (Cont.)
For LM2937-12.0V
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Output Voltage
VOUT
5mA≤IOUT≤500mA
11.64
12.00
12.36
V
Line Regulation
VOUT
VOUT+2V≤VIN≤26V, IOUT=5mA
36
120
mV
Load Regulation
VOUT
5mA≤IOUT≤500mA
12
120
mV
Quiescent Current
IQ
(VOUT+2V)≤VIN ≤26V,IOUT=5mA
2
10
mA
VIN= VOUT+5V, IOUT=500mA
10
20
mA
Output Noise Voltage
eN
10Hz-100kHz, IOUT=5mA
360
μVrms
Long Term Stability
1000Hrs
44
mV
Dropout Voltage
VD
IOUT=500mA
0.5
1.0
V
IOUT=50mA
110
250
mV
Short Circuit Current
ISC
0.6
1.0
A
Peak Line Transient Voltage
TIN
tF≤100ms, RL=100Ω
60
75
V
Reverse DC Input Voltage
VRIN
VOUT≥-0.6V, RL=100Ω
-15
-30
V
Reverse Transient Input Voltage
VTRRI
tF<1ms, RL=100Ω
-50
-75
V
For LM2937-15.0V
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Output Voltage
VOUT
5mA≤IOUT≤500mA
14.55
15.00
15.45
V
Line Regulation
VOUT
VOUT+2V≤VIN≤26V, IOUT=5mA
45
150
mV
Load Regulation
VOUT
5mA≤IOUT≤500mA
15
150
mV
Quiescent Current
IQ
(VOUT+2V)≤VIN ≤26V,IOUT=5mA
2
10
mA
VIN= VOUT+5V, IOUT=500mA
10
20
mA
Output Noise Voltage
eN
10Hz-100kHz, IOUT=5mA
450
μVrms
Long Term Stability
1000Hrs
56
mV
Dropout Voltage
VD
IOUT=500mA
0.5
1.0
V
IOUT=50mA
110
250
mV
Short Circuit Current
ISC
0.6
1.0
A
Peak Line Transient Voltage
TIN
tF≤100ms, RL=100Ω
60
75
V
Reverse DC Input Voltage
VRIN
VOUT≥-0.6V, RL=100Ω
-15
-30
V
Reverse Transient Input Voltage
VTRRI
tF<1ms, RL=100Ω
-50
-75
V
ON/OFF CONTROL (For 5 pins only)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
ON/OFF Threshold Voltage ON
VON
IOUT≦0.5A
0.8
V
ON/OFF Threshold Voltage OFF
VOFF
IOUT≦0.5A
2.0
V
ON/OFF Threshold Current
ION/OFF
VON/OFF=2.0V, IOUT=0.5A
50
100
μ
A


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