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LP3990 Datasheet(PDF) 5 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor. Click here to check the latest version.
Part # LP3990
Description  150mA Linear Voltage Regulator for Digital Applications
Download  13 Pages
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

LP3990 Datasheet(HTML) 5 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.
Input Voltage
-0.3 to 6.5V
Output Voltage
-0.3 to (V
IN + 0.3V) to
6.5V (max)
Enable Input Voltage
-0.3 to (V
IN + 0.3V) to
6.5V (max)
Junction Temperature
150˚C
Lead/Pad Temp. (Note 3)
LLP/SOT23
235˚C
micro SMD
260˚C
Storage Temperature
-65 to 150˚C
Continuous Power Dissipation
Internally Limited(Note 4)
ESD (Note 5)
Human Body Model
2KV
Machine Model
200V
Operating Ratings(Note 1)
Input Voltage
2V to 6V
Enable Input Voltage
0 to (V
IN + 0.3V) to
6.0V (max)
Junction Temperature
-40˚C to 125˚C
Ambient Temperature T
ARange
(Note 6)
-40˚C to 85˚C
Thermal Properties(Note 1)
Junction To Ambient Thermal
Resistance(Note 8)
θ
JA(LLP-6)
88˚C/W
θ
JA(microSMD)
220˚C/W
θ
JASOT23-5
220˚C/W
Electrical Characteristics
Unless otherwise noted, V
EN =950mV, VIN =VOUT + 1.0V, or 2.0V, whichever is higher. CIN = 1 µF, IOUT = 1 mA, COUT =0.47
µF. Typical values and limits appearing in normal type apply for T
J = 27˚C. Limits appearing in boldface type apply over the
full junction temperature range for operation, −40 to +125˚C. (Note 13)
Symbol
Parameter
Conditions
Typ
Limit
Units
Min
Max
V
IN
Input Voltage
(Note 14)
2
6
V
∆V
OUT
Output Voltage Tolerance
I
LOAD = 1 mA
Micro SMD
-1
+1
%
LLP
-1.5
+1.5
Over full line
and load
regulation.
Micro SMD
-2.5
+2.5
LLP
-3
+3
Line Regulation Error
V
IN =(VOUT(NOM) + 1.0V) to 6.0V,
0.02
-0.1
0.1
%/V
Load Regulation Error
I
OUT = 1mA
to 150mA
V
OUT = 0.8 to 1.95V
MicroSMD
0.002
-0.005
0.005
%/mA
V
OUT = 0.8 to 1.95V
LLP, SOT-23
0.003
-0.008
0.008
V
OUT = 2.0 to 3.3V
MicroSMD
0.0005
-0.002
0.002
V
OUT = 2.0 to 3.3V
LLP, SOT-23
0.002
-0.005
0.005
V
DO
Dropout Voltage
I
OUT = 150mA
(Note 7)
120
mV
I
LOAD
Load Current
(Notes 9, 10)
0
µA
I
Q
Quiescent Current
V
EN = 950mV, IOUT = 0mA
43
80
µA
V
EN = 950mV, IOUT = 150mA
65
120
V
EN = 0.4V
0.002
0.2
I
SC
Short Circuit Current Limit
(Note 11)
550
1000
mA
I
OUT
Maximum Output Current
150
mA
PSRR
Power Supply Rejection Ratio
f = 1kHz, I
OUT = 1mA to 150mA
55
dB
f = 10kHz, I
OUT = 150mA
35
www.national.com
5


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