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參數(shù)資料
| 型號： | LP3982IMM-3.0 |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | Micropower, Ultra Low-Dropout, Low-Noise, 300mA CMOS Regulator |
| 中文描述： | 3 V FIXED POSITIVE LDO REGULATOR, 0.22 V DROPOUT, PDSO8 |
| 封裝： | MSOP-8 |
| 文件頁數(shù)： | 2/12頁 |
| 文件大?。?/td> | 361K |
| 代理商： | LP3982IMM-3.0 |
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
SHDN
, V
SET
, V
CC
,
V
FAULT
Fault Sink Current
Power Dissipation
Storage Temperature Range
Junction Temperature (T
J
)
Lead Temperature (10 sec.)
0.3V to 6.5V
20mA
(Note 3)
65C to 160C
150C
260C
ESD Rating
Human Body Model (Note 6)
Machine Model
Thermal Resistance (
θ
JA
)
8-Pin MSOP
8-Pin LLP
2kV
200V
223C/W
(Note 3)
Operating Ratings
(Note 1)
,
(Note 2)
Temperature Range
Supply Voltage
40C to 85C
2.5V to 6.0V
Electrical Characteristics
Unless otherwise specified, all limits guaranteed for V
IN
= V
O
+0.5V (Note 7), V
SHDN
= V
IN
, C
IN
= C
OUT
= 2.2μF, C
CC
= 33nF,
T
J
= 25C.
Boldface
limits apply for the operating temperature extremes: 40C and 85C.
Symbol
Parameter
Conditions
Min
(Note 5)
2.5
2
Typ
(Note 4)
Max
(Note 5)
6.0
+2
Units
V
IN
V
O
Input Voltage
Output Voltage Tolerance
V
100μA
≤
I
OUT
≤
300mA
V
IN
= V
O
+0.5V, (Note 7)
SET = OUT for the Adjust
Versions
Adjust Version Only
Average DC Current Rating
% of
V
OUT (NOM)
3
+3
V
O
I
O
I
LIMIT
I
Q
Output Adjust Range
Maximum Output Current
Output Current Limit
Supply Current
1.25
300
330
6
V
mA
mA
770
90
225
0.001
0.4
80
120
0.01
I
OUT
= 0mA
I
OUT
= 300mA
V
O
= 0V, SHDN = GND
I
OUT
= 1mA
I
OUT
= 200mA
I
OUT
= 300mA
I
OUT
= 1mA, (V
O
+ 0.5V)
≤
V
I
≤
6V
(Note 7)
100μA
≤
I
OUT
≤
300mA
I
OUT
= 10mA, 10Hz
≤
f
≤
100kHz
10Hz
≤
f
≤
100kHz, C
OUT
= 10μF
V
IH
, (V
O
+ 0.5V)
≤
V
I
≤
6V
(Note 7)
V
IL
, (V
O
+ 0.5V)
≤
V
I
≤
6V
(Note 7)
SHDN = GND or IN
SET = 1.3V, Adjust Version Only
(Note 9)
V
O
≥
2.5V, I
OUT
= 200mA
(Note 10)
I
SINK
= 2mA
FAULT = 3.6V, SHDN = 0V
270
μA
Shutdown Supply Current
Dropout Voltage
(Note 7), (Note 8)
1
μA
V
DO
mV
220
V
O
Line Regulation
0.1
0.1
%/V
Load Regulation
Output Voltage Noise
Output Voltage Noise Density
SHDN Input Threshold
0.002
37
190
%/mA
μV
RMS
nV/
e
n
V
SHDN
2
V
0.4
I
SHDN
I
SET
SHDN Input Bias Current
SET Input Leakage
0.1
0.1
100
2.5
nA
nA
V
FAULT
FAULTDetection Voltage
120
280
mV
FAULT Output Low Voltage
FAULT Off-Leakage Current
Thermal Shutdown
Temperature
Thermal Shutdown Hysteresis
Start-Up Time
0.115
0.1
160
0.25
100
V
nA
I
FAULT
T
SD
C
10
120
T
ON
C
OUT
= 10μF, V
O
at 90% of Final
Value
μs
L
www.national.com
2
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|---|---|
| LP3982IMMADJ | 制造商:Texas Instruments 功能描述: |
| LP3982IMM-ADJ | 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(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 |
| LP3982IMM-ADJ/NOPB | 功能描述:低壓差穩(wěn)壓器 - LDO 300Ma General CMOS 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 |
| LP3982IMM-ADJ/NOPB | 制造商:Texas Instruments 功能描述:Linear Voltage Regulator IC |
| LP3982IMMX-1.8 | 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(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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