LM2937(2011) Ver la hoja de datos (PDF) - Unisonic Technologies
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LM2937 Datasheet PDF : 10 Pages
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LM2937
LINEAR INTEGRATED CIRCUIT
ELECTRICAL CHARACTERISTICS (Cont.)
For LM2937-12.0V
PARAMETER
SYMBOL
TEST CONDITIONS
Output Voltage
Line Regulation
Load Regulation
Quiescent Current
Output Noise Voltage
Long Term Stability
VOUT
△VOUT
△VOUT
IQ
eN
5mA≤IOUT≤500mA
VOUT+2V≤VIN≤26V, IOUT=5mA
5mA≤IOUT≤500mA
(VOUT+2V)≤VIN ≤26V,IOUT=5mA
VIN= VOUT+5V, IOUT=500mA
10Hz-100kHz, IOUT=5mA
1000Hrs
Dropout Voltage
Short Circuit Current
Peak Line Transient Voltage
Reverse DC Input Voltage
Reverse Transient Input Voltage
For LM2937-15.0V
VD
ISC
TIN
VRIN
VTRRI
IOUT=500mA
IOUT=50mA
tF≤100ms, RL=100Ω
VOUT≥-0.6V, RL=100Ω
tF<1ms, RL=100Ω
PARAMETER
SYMBOL
TEST CONDITIONS
Output Voltage
Line Regulation
Load Regulation
Quiescent Current
Output Noise Voltage
Long Term Stability
VOUT
△VOUT
△VOUT
IQ
eN
5mA≤IOUT≤500mA
VOUT+2V≤VIN≤26V, IOUT=5mA
5mA≤IOUT≤500mA
(VOUT+2V)≤VIN ≤26V,IOUT=5mA
VIN= VOUT+5V, IOUT=500mA
10Hz-100kHz, IOUT=5mA
1000Hrs
Dropout Voltage
Short Circuit Current
Peak Line Transient Voltage
Reverse DC Input Voltage
Reverse Transient Input Voltage
VD
ISC
TIN
VRIN
VTRRI
IOUT=500mA
IOUT=50mA
tF≤100ms, RL=100Ω
VOUT≥-0.6V, RL=100Ω
tF<1ms, RL=100Ω
ON/OFF CONTROL (For 5 pins only)
MIN
11.64
0.6
60
-15
-50
MIN
14.55
0.6
60
-15
-50
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
ON/OFF Threshold Voltage ON
VON
IOUT≦0.5A
ON/OFF Threshold Voltage OFF
VOFF
IOUT≦0.5A
2.0
ON/OFF Threshold Current
ION/OFF
VON/OFF=2.0V, IOUT=0.5A
TYP
12.00
36
12
2
10
360
44
0.5
110
1.0
75
-30
-75
TYP
15.00
45
15
2
10
450
56
0.5
110
1.0
75
-30
-75
TYP
50
MAX
12.36
120
120
10
20
1.0
250
UNIT
V
mV
mV
mA
mA
μVrms
mV
V
mV
A
V
V
V
MAX
15.45
150
150
10
20
1.0
250
UNIT
V
mV
mV
mA
mA
μVrms
mV
V
mV
A
V
V
V
MAX
0.8
100
UNIT
V
V
μA
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
5 of 10
QW-R102-012.G
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