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參數(shù)資料
| 型號： | LP3992IMFX-1.5 |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | Micropower 1.5V CMOS Voltage Regulator with Shutdown Control |
| 中文描述： | 1.5 V FIXED POSITIVE REGULATOR, PDSO5 |
| 封裝： | SOT-23, 5 PIN |
| 文件頁數(shù)： | 3/9頁 |
| 文件大?。?/td> | 245K |
| 代理商： | LP3992IMFX-1.5 |
Absolute Maximum Ratings
(Notes 1, 2)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Input Voltage
Output Voltage
-0.3 to 6.5V
-0.3 to (V
IN
+ 0.3V) to
6.5V (max)
-0.3 to 6.5V
Shutdown Input Voltage
Junction Temperature
Lead Temp. (Note 3)
Storage Temperature
150C
260C
-65 to 150C
Thermal Resistance (Note 4)
θ
JA
Maximum Power Dissipation
at 25C
ESD (Note 5)
Human Body Model
Machine Model
220C/W
568mW
2KV
200V
Operating Conditions
(Note 1)
Input Voltage
Shutdown Input Voltage
Junction Temperature
Power Dissipation at 25C
1.9 to 5.2V
0 to 6.0V
-40C to 125C
454mW
Electrical Characteristics
Unless otherwise noted, V
SD
= 1.15, V
IN
= V
OUT
+ 1.0V, C
IN
= 1 μF, I
= 1 mA, C
OUT
= 1 μF. Typical values and limits ap-
pearing in normal type apply for T
J
= 25C. Limits appearing in
boldface
type apply over the full temperature range for opera-
tion, 40 to +125C. (Note 13)
Symbol
Parameter
Conditions
Typ
Limit
Units
Min
1.9
-90
Max
5.2
+90
V
IN
V
OUT
Input Voltage
Output Voltage Tolerance
Line Regulation Error
V
Over full line and load regulation.
V
IN
= (V
OUT(NOM)
+ 1.0V) to 5.2V,
I
OUT
= 1mA
I
OUT
= 1mA to 30mA
(Notes 6, 7)
V
SD
= 1.15V, I
OUT
= 0mA
V
SD
= 1.15V, I
OUT
= 30mA
V
SD
= 0.4V
(Note 12)
f = 1kHz, I
OUT
= 30mA
f = 20kHz, I
OUT
= 30mA
BW = 10Hz to 1000kHz,
V
IN
= 4.2V
mV
-0.27
+0.27
%/V
Load Regulation Error
Load Current
Quiescent Current
100
220
μV/mA
μA
I
LOAD
I
Q
0
26
29
50
50
1.5
μA
0.003
90
40
30
I
SC
PSRR
Short Circuit Current Limit
Power Supply Rejection Ratio
mA
dB
E
EN
Output noise Voltage (Note 7)
300
μV
RMS
T
SHUTDOWN
Thermal Shutdown Temperature
Thermal Shutdown Hysteresis
Enable Control Characteristics
I
SD
Maximum Input Current at
SD Input
V
IL
Low Input Threshold
V
IH
High Input Threshold
Timing Characteristics
T
ON1
Turn On Time (Note 7)
T
ON2
T
OFF1
Turn Off Time (Note 7)
T
OFF2
Transient
Response
Load Transient Response
|
δ
V
OUT
|
160
20
C
V
EN
= 0.0V and V
IN
= 5.2V
0.001
μA
V
IN
= 1.8V to 5.2V
V
IN
= 1.8 to 5.2V
0.4
V
V
1.15
50 to 85% of V
OUT(NOM)
(Note 8)
To 95% Level (Note 9)
85 to 50% of V
OUT(NOM)
(Note 10)
95 to 5% Level (Note 11)
15
μS
40
15
μS
40
Line Transient Response |
δ
V
OUT
| T
rise
= T
fall
= 10μS (Note 7)
60
mV
T
rise
= T
fall
= 1μS
I
OUT
= 100μA to 5mA(Note 7)
60
Note 1:
Absolute Maximum Ratings are limits beyond which damage can occur. Operating Ratings are conditions under which operation of the device is
guaranteed. Operating Ratings do not imply guaranteed performance limits. For guaranteed performance limits and associated test conditions, see the Electrical
Characteristics tables.
Note 2:
All Voltages are with respect to the potential at the GND pin.
L
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