參數(shù)資料
型號(hào)： LM2990T-15
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類： 基準(zhǔn)電壓源/電流源
英文描述： Cap-Free, NMOS, 150mA Low Dropout Regulator with Reverse Current Protection
中文描述： 15 V FIXED NEGATIVE LDO REGULATOR, 1 V DROPOUT, PSFM3
封裝： PLASTIC, TO-220, 3 PIN
文件頁(yè)數(shù)： 3/12頁(yè)
文件大?。?/td> 421K
代理商： LM2990T-15
Absolute Maximum Ratings
(Note 1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Input Voltage
ESD Susceptibility (Note 2)
Power Dissipation (Note 3)
Junction Temperature (T
Jmax
)
26V to +0.3V
2 kV
Internally Limited
125C
Storage Temperature
Lead Temperature
(Soldering, 10 sec.)
65C to +150C
260C
Operating Ratings
(Note 1)
Junction Temperature Range (T
J
)
Maximum Input Voltage (Operational)
40C to +125C
26V
Electrical Characteristics
V
= 5V + V
(Note 6) , I
O
= 1A, C
= 47 μF, unless otherwise specified.
Boldface
limits apply over the entire operat-
ing temperature range, 40C
≤
T
J
≤
125C, all other limits apply for T
J
= 25C.
LM2990-5.0
Typ
(Note 4)
LM2990-5.2
Typ
(Note 4)
Units
(Limit)
Parameter
Conditions
Limit
(Note 5)
4.90
5.10
Limit
(Note 5)
5.10
5.30
Output Voltage (V
O
)
5 mA
≤
I
O
≤
1A
5
5.2
V (max)
mV (min)
V
V (max)
V (min)
mV (max)
5 mA
≤
I
O
≤
1A
4.75
5.25
40
4.94
5.46
40
Line Regulation
I
O
= 5 mA,
V
O(NOM)
1V
>
V
IN
>
26V
50 mA
≤
I
O
≤
1A
I
O
= 0.1A,
V
O
≤
100 mV
I
O
= 1A,
V
O
≤
100 mV
I
O
≤
1A
I
O
= 1A, V
IN
= V
O(NOM)
R
L
= 1
(Note 7)
(Note 7)
V
ripple
= 1 V
rms
,
ripple
= 1 kHz, I
O
= 5 mA
10 Hz–100 kHz, I
O
= 5 mA
1000 Hours
4
4
Load Regulation
Dropout Voltage
1
40
0.3
1
5
50
1.5
1.5
50
1
40
0.3
1
5
50
1.5
1.5
50
mV (max)
V (max)
V (max)
mA (max)
mA (max)
A (min)
A (min)
dB (min)
0.1
0.6
1
9
1.8
1.8
58
0.1
0.6
1
9
1.8
1.8
58
Quiescent Current (I
q
)
Short Circuit Current
Maximum Output Current
Ripple Rejection
Output Noise Voltage
Long Term Stability
250
2000
750
250
2000
750
μV (max)
ppm
Electrical Characteristics
V
= 5V + V
(Note 6) , I
O
= 1A, C
= 47 μF, unless otherwise specified.
Boldface
limits apply over the entire operat-
ing temperature range, 40C
≤
T
J
≤
125C, all other limits apply for T
J
= 25C.
LM2990-12
Typ
(Note 4)
LM2990-15
Typ
(Note 4)
Units
(Limit)
Parameter
Conditions
Limit
(Note 5)
11.76
12.24
Limit
(Note 5)
14.70
15.30
Output Voltage (V
O
)
5 mA
≤
I
O
≤
1A
12
15
V (max)
V (min)
V
V (max)
V (min)
mV (max)
5 mA
≤
I
O
≤
1A
11.40
12.60
60
14.25
15.75
60
Line Regulation
I
O
= 5 mA,
V
O(NOM)
1V
>
V
IN
>
26V
50 mA
≤
I
O
≤
1A
I
O
= 0.1A,
V
O
≤
100 mV
I
O
= 1A,
V
O
≤
100 mV
I
O
≤
1A
I
O
= 1A, V
IN
= V
O(NOM)
6
6
Load Regulation
Dropout Voltage
3
50
0.3
1
5
50
3
50
0.3
1
5
50
mV (max)
V (max)
V (max)
mA (max)
mA (max)
0.1
0.6
1
9
0.1
0.6
1
9
Quiescent Current (I
q
)
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LM2990T-15.0 制造商:Texas Instruments 功能描述:IC V REG LDO -15V 2990 TO-220-3
LM2990T-15/NOPB 功能描述:低壓差穩(wěn)壓器 - LDO NEG LDO REG 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(dòng)電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)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(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20
LM2990T-15/NOPB 制造商:Texas Instruments 功能描述:Linear Voltage Regulator IC
LM2990T15P 制造商:NATIONAL 功能描述:New
LM2990T-5.0 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(dòng)電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)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(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20
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