LM2940
LINEAR INTEGRATED CIRCUIT
ELECTRICAL CHARACTERISTICS(Cont.)
For LM2940-9.0V
PARAMETER
Output Voltage
Line regulation
Load Regulation
Output Impedance
Quiescent Current
Output Noise Voltage
Ripple Rejection
Long Term Stability
Dropout Voltage
Short Circuit Current
Maximum Line Transient
Reverse Polarity DC Input Voltage
Reverse Polarity Transient Input
Voltage
For LM2940-10V
PARAMETER
Output Voltage
Line regulation
Load Regulation
Output Impedance
Quiescent Current
Output Noise Voltage
Ripple Rejection
Long Term Stability
Dropout Voltage
Short Circuit Current
Maximum Line Transient
Reverse Polarity DC Input Voltage
Reverse Polarity Transient Input
Voltage
SYMBOL
VOUT
△VOUT
△VOUT
Ro
IQ
eN
RR
TEST CONDITIONS
10.5V ≤ VIN ≤ 26V, 5mA ≤ IOUT ≤ 1A
VOUT +2V ≤ VIN ≤ 26V, IOUT =5mA
50mA ≤ IOUT ≤ 1A
100 mA DC and 20mArms, fo=120Hz
VOUT +2V ≤ VIN ≤ 26V, IOUT =5mA
10Hz-100kHz, IOUT =5mA
fo=120Hz, 1Vrms, IOUT =100mA
MIN
8.73
52
VD
IOUT =1A
IOUT =100mA
ISC
(Note)
1.6
TIN Ro=100Ω, T ≤ 100ms
60
VRIN Ro=100Ω
-15
VTRRI Ro=100Ω, T ≤ 100ms
-50
TYP
9.00
20
60
60
10
270
64
34
0.5
0.11
1.9
75
-30
-75
MAX UNIT
9.27 V
90 mV
90 mV
mΩ
15 mA
µVrms
dB
mV/
1000Hr
0.8
V
0.15
A
V
V
V
SYMBOL
VOUT
△VOUT
△VOUT
Ro
IQ
eN
RR
TEST CONDITIONS
11.5V ≤ VIN ≤ 26V, 5mA ≤ IOUT ≤ 1A
VOUT +2V ≤ VIN ≤ 26V, IOUT =5mA
50mA ≤ IOUT ≤ 1A
100 mA DC and 20mArms, fo=120Hz
VOUT +2V ≤ VIN ≤ 26V, IOUT =5mA
10Hz-100kHz, IOUT =5mA
fo=120Hz, 1Vrms, IOUT =100mA
VD
ISC
TIN
VRIN
IOUT =1A
IOUT =100mA
(Note)
Ro=100Ω, T ≤ 100ms
Ro=100Ω
MIN
9.70
51
1.6
60
-15
TYP
10.00
20
65
65
10
300
63
36
0.5
0.11
1.9
75
-30
MAX UNIT
10.30 V
100 mV
100 mV
mΩ
15 mA
µVrms
dB
mV/
1000Hr
0.8
V
0.15
A
V
V
VTRRI Ro=100Ω, T ≤ 100ms
-50 -75
V
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
4 of 11
QW-R102-016.E