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參數(shù)資料
| 型號： | LM2984C |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | LM2984C Microprocessor Power Supply System |
| 中文描述： | LM2984C微處理器供電系統(tǒng) |
| 文件頁數(shù)： | 4/14頁 |
| 文件大?。?/td> | 284K |
| 代理商： | LM2984C |
Electrical Characteristics
(Continued)
V
IN
e
14V, I
stby
e
1 mA, C
stby
e
10
m
F, T
j
e
25
§
C (Note 6) unless otherwise indicated
Tested
Limit
(Note 2)
Design
Limit
(Note 3)
Parameter
Conditions
Typical
Units
V
standby
(Continued)
Output Noise Voltage
10 Hz–100 kHz, I
stby
e
1 mA
100
m
V
Long Term Stability
20
mV/1000 hr
Ripple Rejection
f
o
e
120 Hz
70
60
dB
min
Dropout Voltage
I
stby
e
1 mA
0.26
0.50
0.50
V
max
Dropout Voltage
I
stby
e
7.5 mA
0.38
0.60
0.70
V
max
Current Limit
15
12
mA
min
Maximum Operational
Input Voltage
4.5V
s
V
stby
s
6V
R
stby
e
1000
X
45
35
35
V
min
Maximum Line
Transient
V
stby
s
6V,
R
stby
e
1000
X
45
35
35
V
min
Reverse Polarity
Input Voltage DC
V
stby
t
b
0.6V,
R
stby
e
1000
X
b
30
b
15
b
15
V
min
Reverse Polarity Input
Voltage Transient
T
s
100 ms, R
stby
e
1000
X
b
55
b
35
b
35
V
min
Electrical Characteristics
V
IN
e
14V, T
j
e
25
§
C (Note 6) C
OUT
e
10
m
F, C
buf
e
10
m
F, C
stby
e
10
m
F unless otherwise specified
Tested
Limit
(Note 2)
Design
Limit
(Note 3)
Parameter
Conditions
Typical
Units
Tracking and Isolation
Tracking
V
OUT
–V
stby
I
OUT
s
500 mA, I
buf
e
5 mA,
I
stby
s
7.5 mA
g
30
g
100
mV
max
Tracking
V
buf
–V
stby
I
OUT
e
5 mA, I
buf
s
100 mA,
I
stby
s
7.5 mA
g
30
g
100
mV
max
Tracking
V
OUT
–V
buf
Isolation
*
V
buf
from V
OUT
Isolation
*
V
stby
from V
OUT
Isolation
*
V
OUT
from V
buf
Isolation
*
V
stby
from V
buf
*
Isolation refers to the ability of the specified output to remain within the tested limits when the other output is shorted to ground.
I
OUT
s
500 mA, I
buf
s
100 mA,
I
stby
e
1 mA
g
30
g
100
mV
max
R
OUT
e
1
X
, I
buf
s
100 mA
5.00
4.50
5.50
V
min
V
max
R
OUT
e
1
X
, I
stby
s
7.5 mA
5.00
4.50
5.50
V
min
V
max
R
buf
e
1
X
, I
OUT
s
500 mA
5.00
4.50
5.50
V
min
V
max
R
buf
e
1
X
, I
stby
s
7.5 mA
5.00
4.50
5.50
V
min
V
max
4
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| LM2984CT | 功能描述:低壓差穩(wěn)壓器 - LDO RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| LM2984CT/NOPB | 功能描述:低壓差穩(wěn)壓器 - LDO RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| LM2984T | 功能描述:低壓差穩(wěn)壓器 - LDO RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| LM2984T/NOPB | 功能描述:低壓差穩(wěn)壓器 - LDO RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| LM2990J-12-QML | 制造商:National Semiconductor Corporation 功能描述:LDO Regulator Neg -12V 1.8A 16-Pin CDIP Tray 制造商:National Semiconductor 功能描述:LDO Regulator Neg -12V 1.8A 16-Pin CDIP Tray |
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