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LP3987 数据表(PDF) 4 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
部件名 LP3987
功能描述  Micropower micro SMD 150 mA Ultra Low-Dropout CMOS Voltage Regulators with sleep MODE
PDF  17 Pages
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制造商  NSC [National Semiconductor (TI)]
网页  http://www.national.com
标志 NSC - National Semiconductor (TI)

LP3987 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
EN,VMODE
−0.3 to 6.5V
V
OUT
−0.3V to(V
IN+
0.3V)
≤ 6.5
Storage Temperature
−65˚C to +150˚C
ESD (Note 4)
Human Body Model
2KV
Machine Model
200V
Maximum Power Dissipation (Note 3)
θ
JA (micro SMD small bump)
255˚C/W
Operating Ratings (Notes 1, 2)
V
IN
V
OUT+ 200mV to 6V
V
EN,VMODE
0 to 6.0V
Junction Temperature
−40˚C to +125˚C
Maximum Power Dissipation (Note 3)
392mW at 25˚C
Electrical Characteristics
Unless otherwise specified: V
EN = 1.8V, MODE = 1.8V, VIN =VOUT(nom) + 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 10) (Note 11)
Symbol
Parameter
Conditions
Typ
Limit
Units
Min
Max
∆V
OUT
Output Voltage
Tolerance
I
OUT = 1mA, 25˚C
-2
2
%of
V
OUT(nom)
I
OUT = 1mA
−3
3
Line Regulation Error
V
IN =(VOUT(nom) + 0.5V) to
6.0V,
I
OUT =1 mA
−0.1
0.1
%/V
Load Regulation Error
I
OUT = 1mA to 150 mA
0.0004
0.002
%/mA
Dropout Voltage
(Note 6)
I
OUT = 1mA
0.4
2
mV
I
OUT = 150mA
60
100
∆V
OUT(SLEEP)
Output Voltage
difference at MODE =
0V
MODE = 0V, (Note 7)
-150
+100
mV
Transient
Response
Line Transient
Response (Note 5)
MODE = 1.8V, I
LOAD =
100mA, T
RISE =TFALL =
10µS,
V
IN = 600mV P-P AC Square
wave, (Note 8)
21
mVpp
Load Transient
Response (Note 5)
MODE = 1.8V, C
OUT = 4.7µF,
T
RISE =TFALL = 100nS,
V
IN = 3.1V, 3.6V, 4.2V, (Notes
9, 12)
100
mVpk
PSRR
Power Supply Rejection
Ratio (Note 5)
V
IN =VOUT(nom) + 1V, MODE
= 1.8V, f = <10 kHz,
I
OUT = 1mA
50
dB
V
IN =VOUT(nom) + 1V, MODE
= 0V, f = <10 kHz,
I
OUT = 1mA
10
I
Q(ON)
Quiescent Current
MODE = 1.8V, I
OUT = 0mA,
V
IN
= 4.2V
85
120
µA
MODE = 1.8V, I
OUT = 150mA,
V
IN = 4.2V
160
200
I
Q(OFF)
Quiescent Current
ENABLE = 0V, V
IN = 4.2V
1
3
µA
I
Q(SLEEP)
Current in Standby
Mode
MODE = 0V, I
OUT = 50µA, VIN
= 4.2V
14
21
µA
I
SC
Short Circuit Current
Limit (Note 5)
Output Grounded
600
mA
www.national.com
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