參數(shù)資料
型號： LM2984T
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類： 電源管理
英文描述： Microprocessor Power Supply System
中文描述： 1-CHANNEL POWER SUPPLY SUPPORT CKT, PZFM11
文件頁數(shù)： 3/16頁
文件大?。?/td> 398K
代理商： LM2984T
Electrical Characteristics
(Continued)
V
= 14V, I
= 5 mA, C
buf
= 10 μF, unless otherwise indicated.
Boldface
type refers to limits over the entire operating tem-
perature range, 40C
≤
T
A
≤
+125C, all other limits are for T
A
= T
j
= 25C (Note 8) .
Parameter
Conditions
Typical
Limit
(Note 4)
Units
V
buffer
(Pin 10)
Output Noise Voltage
Long Term Stability
Ripple Rejection
Dropout Voltage
Current Limit
Maximum Operational
Input Voltage
Maximum Line
Transient
Reverse Polarity
Input Voltage DC
Reverse Polarity Input
Voltage Transient
10 Hz–100 kHz, I
OUT
= 100 mA
100
20
70
0.35
0.23
32
μV
mV/1000 hr
dB
min
V
max
A
min
V
min
f
o
= 120 Hz
I
buf
= 100 mA
60/
50
0.50/
0.80
0.15/
0.15
26/
26
Continuous DC
V
buf
≤
6V, R
buf
= 100
,
T
≤
100 ms
V
buf
≥
0.6V, R
buf
= 100
65
60/
60
V
min
30
15/
15
V
min
T
≤
100 ms, R
buf
= 100
55
35/
35
V
min
Electrical Characteristics
V
= 14V, I
= 1 mA, C
stby
= 10 μF, unless otherwise indicated.
Boldface
type refers to limits over the entire operating tem-
perature range, 40C
≤
T
A
≤
+125C, all other limits are for T
A
= T
j
= 25C (Note 8) .
Parameter
Conditions
Typical
Limit
(Note 4)
Units
V
standby
(Pin 9)
Output Voltage
1 mA
≤
I
O
≤
7.5 mA
6V
≤
V
IN
≤
26V
9V
≤
V
IN
≤
16V
7V
≤
V
IN
≤
26V
0.5 mA
≤
I
OUT
≤
7.5 mA
5 mA
dc
and 1 mA
rms
, f
o
= 120 Hz
I
stby
= 7.5 mA
I
stby
= 2 mA
10 Hz–100 kHz, I
stby
= 1 mA
5.00
4.85/
4.75
5.15/
5.25
25/
25
50/
50
50/
50
V
min
V
max
mV
max
mV
max
mV
max
mA
max
mA
max
μV
mV/1000 hr
dB
min
V
max
V
max
mA
min
V
min
Line Regulation
2
5
6
Load Regulation
Output Impedance
Quiescent Current
0.9
1.2
0.9
100
20
70
0.26
0.38
15
65
2.0/
4.0
1.5/
4.0
Output Noise Voltage
Long Term Stability
Ripple Rejection
Dropout Voltage
f
o
= 120 Hz
I
stby
= 1 mA
I
stby
= 7.5 mA
60/
50
0.50/
0.60
0.60/
0.70
12/
12
60/
60
Current Limit
Maximum Operational
Input Voltage
Maximum Line
Transient
Reverse Polarity
Input Voltage DC
Reverse Polarity Input
Voltage Transient
4.5V
≤
V
stby
≤
6V,
R
stby
= 1000
V
stby
≤
6V, T
≤
100 ms,
R
stby
= 1000
V
stby
≥
0.6V,
R
stby
= 1000
T
≤
100 ms, R
stby
= 1000
65
60/
60
V
min
30
15/
15
V
min
55
35/
35
V
min
3
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相關代理商/技術參數(shù)
參數(shù)描述
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
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