LM2937L-XX Ver la hoja de datos (PDF) - Unisonic Technologies
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LM2937L-XX Datasheet PDF : 10 Pages
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LM2937
LINEAR INTEGRATED CIRCUIT
ABSOLUTE MAXIMUM RATINGS (Note 1)
PARAMETER
SYMBOL
RATINGS
UNIT
Input Voltage
VIN
26
V
Power Dissipation(Note 2)
PD
Internally limited
Maximum Junction Temperature
TJ
+150
°C
Storage Temperature
TSTG
-40 ~ +150
°C
Note 1. Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Electrical
Specifications do not apply when operating the device outside of its rated Operating Conditions.
2. The maximum allowable power dissipation at any ambient temperature is PMAX = (125-TA)/ θJA, where 125 is
the maximum junction temperature for operation, TA is the ambient temperature, and θJA is the junction to
ambient thermal resistance. If this dissipation is exceeded, the die temperature will rise above 125°C and
the electrical specifications do not apply. If the die temperature rises above 150°C, the LM2937 will go into
thermal shutdown.
THERMAL DATA
PARAMETER
Thermal Resistance Junction- Ambient
Thermal Resistance Junction- Case
TO-220
TO-263
TO-263-5
TO-220
TO-263
TO-263-5
SYMBOL
θJA
θJC
RATINGS
65
73
73
3
4
4
UNIT
°C/W
ELECTRICAL CHARACTERISTICS
(VIN=VNOM+5V, IOUT=500mA, COUT=10µF, TJ=Ta=25°C, unless otherwise specified.)
For LM2937-3.3V
PARAMETER
Output Voltage
Line Regulation
Load Regulation
Quiescent Current
Output Noise Voltage
Long Term Stability
Dropout Voltage
Short Circuit Current
Peak Line Transient Voltage
Reverse DC Input Voltage
Reverse Transient Input Voltage
SYMBOL
VOUT
△VOUT
△VOUT
IQ
eN
VD
ISC
TIN
VRIN
VTRRI
TEST CONDITIONS
5mA≤IOUT≤500mA
VOUT+2V≤VIN≤26V, IOUT=5mA
5mA≤IOUT≤500mA
(VO+2V)≤VIN ≤26V, IOUT=5mA
VIN= VOUT+5V, IOUT=500mA
10Hz-100kHz, IOUT=5mA
1000Hrs
IOUT=500mA
IOUT=50mA
tF≤100ms, RL=100Ω
VOUT ≥-0.6V, RL=100Ω
tF<1ms, RL=100Ω
MIN
3.21
0.6
60
-15
-50
For LM2937-5.0V
PARAMETER
Output Voltage
Line Regulation
Load Regulation
Quiescent Current
Output Noise Voltage
Long Term Stability
Dropout Voltage
SYMBOL
VOUT
△VOUT
△VOUT
IQ
eN
VD
TEST CONDITIONS
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
IOUT=500mA
IOUT=50mA
MIN
4.85
TYP
3.30
9
3
2
10
100
12
0.5
110
1.0
75
-30
-75
TYP
5.00
15
5
2
10
150
20
0.5
110
MAX
3.39
30
30
10
20
1.0
250
UNIT
V
mV
mV
mA
mA
µVrms
mV
V
mV
A
V
V
V
MAX
5.15
50
50
10
20
1.0
250
UNIT
V
mV
mV
mA
mA
µVrms
mV
V
mV
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
3 of 10
QW-R102-012.F
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