LM2940-10-AA3-R 查看數據表（PDF） - Unisonic Technologies
零件编号
产品描述 (功能)
生产厂家
LM2940-10-AA3-R Datasheet PDF : 11 Pages
| |||
LM2940
LINEAR INTEGRATED CIRCUIT
ELECTRICAL CHARACTERISTICS(Cont.)
UTC LM2940-12V
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
13.6V ≤ VIN ≤ 26V, 5mA ≤ IOUT ≤ 1A
VOUT +2V ≤ VIN ≤ 26V, IOUT =5mA
50mA ≤ IOUT ≤ 1A
100 mADC 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
11.64
54
1.6
60
-15
TYP
12.00
20
55
80
10
360
66
48
0.5
0.11
1.9
75
-30
MAX UNIT
12.36 V
120 mV
120 mV
mΩ
15 mA
µVrms
dB
mV/
1000Hr
0.8
V
0.15
A
V
V
VTRRI Ro=100Ω, T≤100ms
-50 -75
V
UTC LM2940-15V
PARAMETER
SYMBOL
TEST CONDITIONS
MIN TYP MAX UNIT
Output Voltage
Line regulation
Load Regulation
Output Impedance
VOUT 16.75V ≤ VIN ≤ 26V, 5mA ≤ IOUT ≤ 1A 14.55 15.00 15.45 V
△VOUT VOUT +2V ≤ VIN ≤ 26V, IOUT =5mA
20 150 mV
△VOUT 50mA ≤ IOUT ≤ 1A
70 150 mV
Ro 100 mADC and 20mArms, fo=120Hz
100
mΩ
Quiescent Current
Output Noise Voltage
Ripple Rejection
Long Term Stability
IQ
VOUT +2V ≤ VIN ≤ 26V, IOUT =5mA
eN 10Hz-100kHz, IOUT =5mA
RR fo=120Hz, 1Vrms, IOUT =100mA
10 15 mA
450
µVrms
52 64
dB
60
mV/
1000Hr
Dropout Voltage
Short Circuit Current
Maximum Line Transient
Reverse Polarity DC Input Voltage
Reverse Polarity Transient Input
Voltage
VD
ISC
TIN
VRIN
VTRRI
IOUT =1A
IOUT =100mA
(Note)
Ro=100Ω, T ≤ 100ms
Ro=100Ω
Ro=100Ω, T ≤ 100ms
0.5 0.8
V
0.11 0.15
1.6 1.9
A
60 75
V
-15 -30
V
V
-50 -75
Note: Output current will decrease with temperature increase but will not drop below 1A at the maximum specified
temperature.
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
5 of 11
QW-R102-016.E
Share Link: 