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參數(shù)資料
| 型號： | LM2984MDC |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 電源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, UUC |
| 封裝： | DIE |
| 文件頁數(shù)： | 9/16頁 |
| 文件大小： | 317K |
| 代理商： | LM2984MDC |
Absolute Maximum Ratings
If MilitaryAerospace specified devices are required
please contact the National Semiconductor Sales
OfficeDistributors for availability and specifications
Input Voltage
Survival Voltage (k100 ms)
35V
Operational Voltage
26V
Internal Power Dissipation
Internally Limited
Operating Temperature Range (TA)0 Cto a125 C
Maximum Junction Temperature (Note 1)
150 C
Storage Temperature Range
b
65 Cto a150 C
Lead Temperature (Soldering 10 sec)
230 C
ESD rating is to be determined
Electrical Characteristics
VIN e 14V IOUT e 5 mA COUT e 10 mF Tj e 25 C (Note 6) unless otherwise indicated
Tested
Design
Parameter
Conditions
Typical
Limit
Units
(Note 2)
(Note 3)
VOUT (Pin 11)
Output Voltage
5 mA s Io s 500 mA
500
485
475
Vmin
6V s VIN s 26V
515
525
Vmax
Line Regulation
9V s VIN s 16V
2
25
mVmax
7V s VIN s 26V
5
50
mVmax
Load Regulation
5 mA s IOUT s 500 mA
12
50
mVmax
Output Impedance
250 mAdc and 10 mArms
24
mX
fo e 120 Hz
Quiescent Current
IOUT e 500 mA
38
100
mAmax
IOUT e 250 mA
14
50
mAmax
Output Noise Voltage
10 Hz – 100 kHz IOUT e 100 mA
100
m
V
Long Term Stability
20
mV1000 hr
Ripple Rejection
fo e 120 Hz
70
60
dBmin
Dropout Voltage
IOUT e 500 mA
053
080
100
Vmax
IOUT e 250 mA
028
050
060
Vmax
Current Limit
092
075
Amin
Maximum Operational
Continuous DC
32
26
Vmin
Input Voltage
Maximum Line Transient
VOUT s 6V ROUT e 100X
45
35
Vmin
Reverse Polarity
VOUT t b06V ROUT e 100X
b
30
b
15
b
15
Vmin
Input Voltage DC
Reverse Polarity Input
T s 100 ms ROUT e 100X
b
55
b
35
b
35
Vmin
Voltage Transient
2
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