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參數(shù)資料
| 型號： | LP3984IMF-1.8 |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | Micropower, 150mA Ultra Low-Dropout CMOS Voltage Regulator in Subminiature 4-I/O micro SMD Package |
| 中文描述： | 1.8 V FIXED POSITIVE LDO REGULATOR, 0.12 V DROPOUT, PDSO5 |
| 封裝： | SOT-23, 5 PIN |
| 文件頁數(shù)： | 4/11頁 |
| 文件大?。?/td> | 293K |
| 代理商： | LP3984IMF-1.8 |
Absolute Maximum Ratings
2)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
(Notes 1,
V
IN
,V
OUT
, V
EN
Junction Temperature
Storage Temperature
Lead Temp. (Note 3)
Pad Temp. (Note 3)
Power Dissipation (Note 4)
θ
JA
(SOT23-5)
θ
JA
(micro SMD)
Maximum Power Dissipation
SOT23-5
Micro SMD
0.3 to 6.5V
150C
65C to +150C
235C
235C
220C/W
340C/W
364mW
235mW
ESD Rating(Note 5)
Human Body Model
Machine Model
2kV
200V
Operating Ratings
(Notes 1, 2)
V
IN
V
EN
Junction Temperature
Maximum Power Dissipation (Note 6)
SOT23-5
micro SMD
2.5 to 6V
0 to (V
IN
+ 0.3V)
40C to +125C
250mW
160mW
Electrical Characteristics
Unless otherwise specified: V
= 2.5V for 1.5, 1.8, & 2.0V options, V
= V
+ 0.5 for output options higher than 2.5V, C
IN
=
1 μF, I
= 1mA, C
= 1 μF, tantalum. Typical values and limits appearing in standard typeface are for T
= 25C. Limits
appearing in
boldface type
apply over the entire junction temperature range for operation, 40C to +125C. (Note 7) (Note 8)
Symbol
Parameter
Conditions
Typ
Limit
Units
Min
1.2
2.0
0.15
Max
1.2
2.0
0.15
V
OUT
Output Voltage
Tolerance
Line Regulation Error
% of
V
OUT(nom)
V
IN
= 2.5V to 4.5V for 1.5, 1.8, 2.0V
options
V
IN
= (V
OUT
+ 0.5V) to 4.5V for
Voltage options higher than 2.5V
I
OUT
= 1 mA to 150 mA
LP3984IM5 (SOT23-5)
LP3984IBP (micro SMD)
V
IN
= V
OUT(nom)
+ 0.2V,
f = 1 kHz,
I
OUT
= 50 mA (Figure 2)
V
IN
= V
OUT(nom)
+ 0.2V,
f = 10 kHz,
I
OUT
= 50 mA (Figure 2)
V
EN
= 1.4V, I
OUT
= 0 mA
V
EN
= 1.4V, I
OUT
= 0 to 150 mA
V
EN
= 0.4V
I
OUT
= 1 mA
I
OUT
= 50 mA
I
OUT
= 100 mA
I
OUT
= 150 mA
Output Grounded
(Steady State)
V
OUT
≥
V
OUT(nom)
- 5%
0.05
%/V
Load Regulation Error
(Note 9)
0.002
0.005
%/mA
0.0009
60
0.002
PSRR
Power Supply Rejection Ratio
dB
40
I
Q
Quiescent Current
80
110
0.005
0.6
25
50
75
600
125
150
1.2
2.5
40
80
120
μA
Dropout Voltage (Note 10)
mV
I
SC
Short Circuit Current Limit
mA
I
OUT(PK)
T
ON
Peak Output Current
Turn-On Time
(Note 11)
Output Noise Voltage
600
20
300
mA
μs
e
n
BW = 10 Hz to 100 kHz,
C
OUT
= 1μF tant.
V
EN
= 0.4 and V
IN
= 6.0
90
μVrms
I
EN
Maximum Input Current at EN
±
1
nA
L
www.national.com
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| LP3984IMF-2.0 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Micropower, 150mA Ultra Low-Dropout CMOS Voltage Regulator in Subminiature 4-I/O micro SMD Package |
| LP3984IMF-2.0/NOPB | 功能描述:IC REG LDO 2V .15A SOT23-5 RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 線性 系列:- 產(chǎn)品變化通告:Heatsink Pkg Change 09/Oct/2007 標準包裝:50 系列:- 穩(wěn)壓器拓撲結構:正，固定式 輸出電壓:24V 輸入電壓:最高 40 V 電壓 - 壓降（標準）:2V @ 1A 穩(wěn)壓器數(shù)量:1 電流 - 輸出:1A 電流 - 限制（最?。?- 工作溫度:0°C ~ 125°C 安裝類型:通孔 封裝/外殼:TO-220-3 供應商設備封裝:TO-220-3 包裝:管件 |
| LP3984IMF-3.1 | 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 |
| LP3984IMF-3.1/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 |
| LP3984IMF-3.1/NOPB | 制造商:Texas Instruments 功能描述:Voltage Regulator IC |
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