參數(shù)資料
型號(hào)： LP2980AIM5X-2.8
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類： 基準(zhǔn)電壓源/電流源
英文描述： Hex Inverters 14-SOIC -40 to 85
中文描述： 2.8 V FIXED POSITIVE LDO REGULATOR, 0.225 V DROPOUT, PDSO5
封裝： SOT-23, 5 PIN
文件頁數(shù)： 4/18頁
文件大?。?/td> 423K
代理商： LP2980AIM5X-2.8
Absolute Maximum Ratings
(Note 1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Storage Temperature Range
Operating Junction Temperature
Range
Lead Temperature
(Soldering, 5 sec.)
65C to +150C
40C to +125C
260C
ESD Rating (Note 2)
Power Dissipation (Note 3)
Input Supply Voltage (Survival)
Input Supply Voltage (Operating)
Shutdown Input Voltage (Survival)
Output Voltage (Survival), (Note 4)
I
OUT
(Survival)
Input-Output Voltage (Survival),
(Note 5)
2 kV
Internally Limited
0.3V to +16V
2.1V to +16V
0.3V to +16V
0.3V to +9V
Short Circuit Protected
0.3V to +16V
Electrical Characteristics
Limits in standard typeface are for T
J
= 25C, and limits in
boldface type
apply over the full operating temperature range. Un-
less otherwise specified: V
IN
= V
O(NOM)
+ 1V, I
L
= 1 mA, C
OUT
= 1 μF, V
ON/OFF
= 2V.
Symbol
Parameter
Conditions
Typ
LP2980AI-XX
(Note 6)
Min
0.50
LP2980I-XX
(Note 6)
Min
1.0
Units
Max
0.50
Max
1.0
V
O
Output Voltage
Tolerance
I
L
= 1 mA
%V
NOM
1 mA
<
I
L
<
50 mA
0.75
2.5
0.75
2.5
0.014
1.5
3.5
1.5
3.5
0.014
Output Voltage
V
O(NOM)
+ 1V
≤
V
IN
≤
16V
I
L
= 0
0.007
%/V
Line Regulation
0.032
0.032
V
IN
–V
O
Dropout Voltage
(Note 7)
1
3
5
3
5
mV
I
L
= 1 mA
7
10
15
60
90
150
225
95
125
110
170
220
460
600
1200
1
10
15
60
90
150
225
95
125
110
170
220
460
600
1200
1
I
L
= 10 mA
40
I
L
= 50 mA
120
I
GND
Ground Pin Current
I
L
= 0
65
μA
I
L
= 1 mA
80
I
L
= 10 mA
140
I
L
= 50 mA
375
V
ON/OFF
<
0.18V
High = O/P ON
Low = O/P OFF
V
ON/OFF
= 0
V
ON/OFF
= 5V
V
OUT
≥
V
O(NOM)
5%
BW = 300 Hz–50 kHz,
C
OUT
= 10 μF
f = 1 kHz
0
V
ON/OFF
ON/OFF Input Voltage
(Note 8)
ON/OFF Input Current
1.4
0.55
0
5
150
160
1.6
1.6
V
0.18
1
15
0.18
1
15
I
ON/OFF
μA
I
O(PK)
e
n
Peak Output Current
Output Noise
Voltage (RMS)
Ripple Rejection
100
100
mA
μV
63
dB
C
OUT
= 10 μF
R
L
= 0 (Steady State)
(Note 9)
I
O(MAX)
Short Circuit Current
150
mA
Note 1:
Absolute maximum ratings indicate limits beyond which damage to the component may occur. Electrical specifications do not apply when operating the de-
vice outside of its rated operating conditions.
Note 2:
The ESD rating of pins 3 and 4 is 1 kV.
L
www.national.com
4
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