LM2940G-50-AA3-T Ver la hoja de datos (PDF) - Unisonic Technologies
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LM2940G-50-AA3-T Datasheet PDF : 12 Pages
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LM2940
LINEAR INTEGRATED CIRCUIT
ABSOLUTE MAXIMUM RATINGS
PARAMETER
SYMBOL
RATINGS
UNIT
Input Voltage
VIN
26
V
Power Dissipation
Junction Temperature
PD
Internally limited
TJ
+150
°C
Ambient Operating
Temperature
TO-220/TO-263-3/TO-263
SOT-223/ TO-252
TOPR
-40 ~ +125
°C
-40 ~ +85
Storage Temperature
TSTG
-65 ~ +150
°C
Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged.
Absolute maximum ratings are stress ratings only and functional device operation is not implied.
THERMAL DATA
PARAMETER
SOT-223
Junction to Ambient
TO-220
TO-263/TO-263-3
TO-252
TO-220/ TO-263/TO-263-3
Junction to Case
TO-252
SOT-223
ELECTRICAL CHARACTERISTICS
SYMBOL
θJA
θJC
RATING
174
60
80
125
4
12
15
UNIT
°C/W
°C/W
(TA=TJ =25°C, VIN=VOUT+5V, IOUT=1A and COUT=22μF, unless otherwise specified.)
For LM2940-5.0V
PARAMETER
SYMBOL
TEST CONDITIONS
Output Voltage
Line Regulation
Load Regulation
VOUT
△VOUT
△VOUT
6.25V ≤ VIN ≤ 26V, 5mA ≤ IOUT ≤ 1A
VOUT+2V ≤ VIN ≤ 26V, IOUT=5mA
50mA ≤ IOUT ≤ 1A
Output Impedance
ROUT 100 mA DC and 20mARMS, fO=120Hz
Quiescent Current
IQ
VOUT+2V ≤ VIN ≤ 26V, IOUT=5mA
Output Noise Voltage
eN 10Hz-100kHz, IOUT=5mA
Ripple Rejection
RR fO=120Hz, 1VRMS, IOUT=100mA
Long Term Stability
Dropout Voltage
VD
IOUT=1A
IOUT=100mA
Short Circuit Current
ISC (Note)
Maximum Line Transient
TIN ROUT=100Ω, T ≤ 100ms
Reverse Polarity DC Input Voltage VRIN ROUT=100Ω
Reverse Polarity Transient
Input Voltage
VTRRI ROUT=100Ω, T ≤ 100ms
MIN
4.85
54
60
-15
-50
TYP
5.00
20
35
35
10
150
72
20
0.5
0.13
2.5
75
-30
-75
MAX UNIT
5.15
V
50
mV
50
mV
mΩ
15
mA
μVRMS
dB
mV/1000Hr
0.8
V
0.15
A
V
V
V
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
3 of 12
QW-R102-016.L
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