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LP3994 Arkusz danych(PDF) 4 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Numer części LP3994
Szczegółowy opis  50mA CMOS Voltage Regulator with Enable Control
PDF  12 Pages
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Producent  NSC [National Semiconductor (TI)]
Strona internetowa  http://www.national.com
Logo NSC - National Semiconductor (TI)

LP3994 Arkusz danych(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.
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 Temp.
microSMD
260˚C
LLP
235oC
Storage Temperature
-65 to 150˚C
Continuous Power
Dissipation(Note 3)
Internally Limited
ESD Rating (Note 4)
Human Body Model
2KV
Machine Model
200V
Operating Conditions(Notes 1, 2)
Input Voltage
2.5 to 5.5V
Enable Input Voltage
0 to (V
IN + 0.3V)
Junction Temperature (T
J) Range
-40˚C to 125˚C
Ambient Temperature (T
A) Range
(Note 5)
-40 to 85oC
Thermal Properties
Junction to Ambient Thermal Resistance(Note 6)
θ
JA microSMD package
220oC/W
θ
JA LLP package
88oC/W
Electrical Characteristics(Notes 2, 7)
Unless otherwise noted, V
EN = 1.2, VIN =VOUT + 1.0V, CIN = 1 µF, IOUT = 1 mA, COUT = 1 µF. Typical values and limits ap-
pearing in normal type apply for T
J = 25˚C. Limits appearing in boldface type apply over the full temperature range for opera-
tion, −40 to +125˚C. (Notes 13, 14)
Symbol
Parameter
Conditions
Min
Typ
Max
Units
Device Output: V
OUT
≤ 1.8V
V
IN
Input Voltage
2.5
5.5
V
∆V
OUT
Output Voltage Tolerance
Over full line and load regulation.
-60
+60
mV
Line Regulation Error
V
IN =(VOUT(NOM) + 1.0V) to 5.5V,
I
OUT = 1mA
0.005
0.07
%/V
Load Regulation Error
I
OUT = 1mA to 50mA
100
400
µV/mA
I
Q
Quiescent Current
microSMD:
I
OUT = 0mA
15
35
µA
I
OUT = 50mA
22
50
LLP:
I
OUT = 0mA
15
40
I
OUT = 50mA
25
65
Quiescent Current(Disabled)
V
EN = 0.4V
0.001
1.5
Device Output: V
OUT > 1.8V
V
IN
Input Voltage
2.5
5.5
V
∆V
OUT
Output Voltage Tolerance
Over full line and load regulation.
-90
+90
mV
Line Regulation Error
V
IN =(VOUT(NOM) + 1.0V) to 5.5V,
I
OUT = 1mA
0.005
0.1
%/V
Load Regulation Error
I
OUT = 1mA to 50mA
100
500
µV/mA
Dropout Voltage
(where applicable)
I
OUT = 1mA
1.5
4.5
mV
I
OUT = 50mA
75
140
I
Q
Quiescent Current
microSMD:
I
OUT = 0mA
18
50
µA
I
OUT = 50mA
22
60
LLP:
I
OUT = 0mA
20
55
I
OUT = 50mA
22
65
Quiescent Current(Disabled)
V
EN = 0.4V
0.001
1.5
Full V
OUT RANGE
I
LOAD
Load Current
(Notes 8, 9)
0
µA
I
SC
Short Circuit Current Limit
(Note 12)
235
mA
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