LM2937
LINEAR INTEGRATED CIRCUIT
ELECTRICAL CHARACTERISTICS (Cont.)
For LM2937-12.0V
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
(VOUT+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
11.64
0.6
60
-15
-50
For LM2937-15.0V
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
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
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.K