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LP3988 数据表(PDF) 4 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor. Click here to check the latest version.
部件名 LP3988
功能描述  Micropower, 150mA Ultra Low-Dropout CMOS Voltage Regulator With Power Good
PDF  11 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  NSC [National Semiconductor (TI)]
网页  http://www.national.com
标志 NSC - National Semiconductor (TI)

LP3988 数据表(HTML) 4 Page - National Semiconductor (TI)

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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.
V
IN
−0.3 to 6.5V
V
OUT,VEN, PowerGood(applies
only to micro SMD)
−0.3V to (V
IN+0.3V),
with 6V max
Junction Temperature
150˚C
Storage Temperature
−65˚C to +150˚C
Lead Temp, Pad Temp.
235˚C
Power Dissipation (Note 3)
SOT23-5
micro SMD
364mW
355mW
ESD Rating (Note 4)
Human Body Model
2kV
Machine Model
SOT23-5 (Note 13)
150V
micro SMD
200V
Operating Ratings (Notes 1, 2)
V
IN(Note 15)
2.5V to 6V
V
OUT,VEN
0toV
IN
Junction Temperature
−40˚C to +125˚C
Junction-to-Ambient Thermal
Resistance (
θ
JA)
SOT23-5
micro SMD
220oC/W
255oC/W
Maximum Power Dissipation (Note 5)
SOT23-5
micro SMD
250mW
244mW
Electrical Characteristics
Unless otherwise specified: V
EN = 1.8V, VIN =VOUT + 0.5V, CIN = 1 µF, IOUT = 1mA, COUT = 1 µF. Typical values and limits
appearing in standard typeface are for T
J = 25˚C. Limits appearing in boldface type apply over the entire junction temperature
range for operation, −40˚C to +125˚C. (Note 6) (Note 7)
Symbol
Parameter
Conditions
Typ
Limit
Units
Min
Max
∆V
OUT
Output Voltage
Tolerance
−20˚C % T
J % 125˚C, SOT23-5
−40˚C % T
J % 125˚C, SOT23-5
−2
−3
−3.5
2
3
3.5
%of
V
OUT(nom)
−40˚C % T
J % 125˚C, micro SMD
-3
3
Line Regulation Error
V
IN =VOUT (NOM) + 0.5V to 6.0V
−0.15
−0.2
0.15
0.2
%/V
Load Regulation Error
(Note 8)
I
OUT = 1 mA to 150 mA
0.005
0.007
%/mA
PSRR
Power Supply Rejection Ratio
V
IN =VOUT(nom) + 1V,
f = 1 kHz,
I
OUT = 50mA(Figure 3)
65
dB
V
IN =VOUT(nom) + 1V,
f = 10 kHz,
I
OUT = 50mA(Figure 3)
45
I
Q
Quiescent Current
V
EN = 1.4V, IOUT = 0 mA
85
120
µA
V
EN = 1.4V, IOUT = 0 to 150 mA
140
200
V
EN = 0.4V
0.003
1.0
Dropout Voltage (Note 9)
I
OUT =1mA
1
5
mV
I
OUT = 150 mA
80
115
150
I
SC
Short Circuit Current Limit
(Note 10)
600
mA
e
n
Output Noise Voltage
BW = 10 Hz to 100 kHz,
C
OUT = 1µF
220
µVrms
C
OUT
Output Capacitor
Capacitance (Note 11)
120
µF
ESR (Note 11)
5
500
m
TSD
Thermal Shutdown Temperature
160
˚C
Thermal Shutdown Hysteresis
20
˚C
Enable Control Characteristics (Note 12)
I
EN
Maximum Input Current at EN
V
EN = 0 and VIN = 6.0V
0.1
µA
www.national.com
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