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LP5900 bảng dữ liệu(PDF) 4 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor. Click here to check the latest version.
tên linh kiện LP5900
Giải thích chi tiết về linh kiện  Ultra Low Noise, 100 mA Linear Regulator for RF/Analog Circuits Requires No Bypass Capacitor
PDF  10 Pages
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nhà sản xuất  NSC [National Semiconductor (TI)]
Trang chủ  http://www.national.com
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LP5900 bảng dữ liệu(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 Pin: Input Voltage
-0.3 to 6.0V
V
OUT Pin: Output Voltage
-0.3 to (V
IN + 0.3V) to
6.0V (max)
V
EN Pin: Enable Input Voltage
-0.3 to (V
IN + 0.3V) to
6.0V (max)
Continuous Power Dissipation
(Note 3)
Internally Limited
Junction Temperature (T
JMAX)
150˚C
Storage Temperature Range
-65 to 150˚C
Maximum Lead Temperature
(Soldering, 10 sec.)
265˚C
ESD Rating (Note 4)
Human Body Model
2 kV
Machine Model
200V
Operating Ratings(Note 1), (Note 2)
V
IN: Input Voltage Range
2.5V to 5.5V
V
EN: Enable Voltage Range
0 to (V
IN + 0.3V) to
5.5V (max)
Recommended Load Current
(Note 5)
0 to 100 mA
Junction Temperature Range (T
J)
-40˚C to +125˚C
Ambient Temperature Range (T
A)
(Note 5)
-40˚C to +85˚C
Thermal Properties
Junction to Ambient Thermal Resistance
θ
JA (Note 6)
JEDEC Board (Note 16)
88˚C/W
4L Cellphone Board
157.4˚C/W
Electrical Characteristics
Limits in standard typeface are for T
A =25
oC. Limits in boldface type apply over the full operating junction temperature range
(-40oC
≤ T
J
≤ +125oC). Unless otherwise noted, specifications apply to the LP5900 Typical Application Circuit (pg. 1) with: V
IN
=V
OUT (NOM) + 1.0V, VEN = 1.2V, CIN =COUT = 0.47 µF, IOUT = 1.0 mA. (Note 2), (Note 7)
Symbol
Parameter
Conditions
Min
Typ
Max
Units
V
IN
Input Voltage
2.5
5.5
V
∆V
OUT
Output Voltage Tolerance
V
IN =(VOUT(NOM) + 1.0V) to 5.5V, IOUT
= 1 mA to 100mA
−2
2
%
Line Regulation
V
IN =(VOUT(NOM) + 1.0V) to 5.5V, IOUT
=1mA
0.05
%/V
Load Regulation
I
OUT = 1 mA to 100 mA
0.001
%/mA
I
LOAD
Load Current
(Note 9)
0
mA
Maximum Output Current
(Note 15)
100
I
Q
Quiescent Current (Note 11)
V
EN = 1.2V, IOUT =0mA
25
50
µA
V
EN = 1.2V, IOUT = 100 mA
100
200
V
EN = 0.3V (Disabled)
0.003
1.0
I
G
Ground Current (Note 13)
I
OUT =0mA(VOUT = 2.5V)
30
µA
V
DO
Dropout Voltage
I
OUT = 100 mA
80
150
mV
I
SC
Short Circuit Current Limit
(Note 12)
300
mA
PSRR
Power Supply Rejection Ratio
(Note 15)
f = 100 Hz, I
OUT = 100 mA
85
dB
f = 1 kHz, I
OUT = 100 mA
75
f = 10 kHz, I
OUT = 100 mA
65
f = 50 kHz, I
OUT = 100 mA
52
f = 100 kHz, I
OUT = 100 mA
40
e
n
Output Noise Voltage
(Note 15)
BW=10Hzto100
kHz, V
IN = 4.2V
I
OUT =0mA
7
µV
RMS
I
OUT =1mA
10
I
OUT = 100 mA
6.5
T
SHUTDOWN
Thermal Shutdown
Temperature
160
oC
Hysteresis
20
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