參數(shù)資料
型號(hào)： LP2966IMMX-5050
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類： 基準(zhǔn)電壓源/電流源
英文描述： Dual 150mA Ultra Low-Dropout Regulator
中文描述： DUAL OUTPUT, FIXED POSITIVE LDO REGULATOR, PDSO8
封裝： MSOP-8
文件頁(yè)數(shù)： 4/15頁(yè)
文件大?。?/td> 456K
代理商： LP2966IMMX-5050
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
Lead Temp. (Soldering, 5 sec.)
Power Dissipation (Note 2)
ESD Rating (Note 3)
Input Supply Voltage (Survival)
Shutdown Input Voltage (Survival)
Maximum Voltage for ERROR
Pins
I
OUT
(Survival)
65 to +150C
260C
Internally Limited
2kV
0.3V to 7.5V
0.3V to (Vin + 0.3V)
10V
Short Circuit
Protected
Output Voltage (Survival)(Note 6),
(Note 7)
0.3V to (Vin + 0.3V)
Operating Ratings
(Note 1)
Input Supply Voltage
Shutdown Input Voltage
Operating Junction
Temperature Range
Maximum Voltage for
ERROR pins
2.7V to 7.0V
0.3V to (Vin + 0.3V)
40C to +125C
10V
Electrical Characteristics
Limits in standard typeface are for T
j
= 25C, and limits in
boldface type
apply over the full operating junction temperature
range. Unless otherwise specified, V
IN
= V
O(NOM)
+ 1V, (Note 16), C
OUT
= 1μF, I
OUT
= 1mA, C
IN
= 1μF, V
SD1
= V
SD2
= V
IN
.
Symbol
Parameter
Conditions
Typ
(Note 4)
LP2966IMM
(Note 5)
Min
1
-3
1.5
-3.5
Unit
Max
1
3
1.5
3.5
V
o
(Note 13)
Output Voltage Tolerance
V
OUT
+ 1V
<
V
IN
<
7.0V
0.0
%V
NOM
1mA
<
I
L
<
100mA
0.0
%V
NOM
V
O
/
V
IN
(Note 8)
(Note 13)
V
O
/
I
OUT
Output Voltage Line
Regulation
0.1
mV/V
Output Voltage Load
Regulation (Note 9)
Output Voltage Cross
Regulation (Note 10)
Dropout Voltage
(Note 12)
1mA
<
I
L
<
100mA
(Note 9)
1mA
<
I
L1
<
100mA
(Note 10)
I
L
= 1mA
0.1
mV/mA
V
O2
/
I
OUT1
0.0004
mV/mA
V
IN
-V
OUT
0.9
2.0
3.0
130
180
195
270
I
L
= 100mA
90
mV
I
L
= 150mA
135
I
GND(1,0)
(Note 18)
Ground Pin Current (One
LDO On)
I
L
= 1mA
V
SD2
≤
0.1V, V
SD1
= V
IN
I
L
= 100mA
V
SD2
≤
0.1V, V
SD1
= V
IN
I
L
= 1mA
300
μA
340
I
GND(1,1)
Ground Pin Current (Both
LDOs On)
340
450
500
540
600
0.3
10
μA
I
L
= 100mA
420
I
GND(0,0)
Ground Pin Current in
Shutdown Mode
Peak Output Current
V
SD1
= V
SD2
≤
0.1V
0.006
μA
I
O(PK)
(Note 2)
V
OUT
≥
V
OUT(NOM)
- 5%
500
350
150
mA
Short Circuit Foldback Protection
I
FB
Short Circuit Foldback
Knee
(Note 2), (Note 14)
600
mA
L
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