參數(shù)資料
型號： LM9073S
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類： 基準(zhǔn)電壓源/電流源
英文描述： Dual High Current Low-Dropout System Regulator
中文描述： DUAL OUTPUT, FIXED POSITIVE LDO REGULATOR, PSSO11
封裝： TO-263, 11 PIN
文件頁數(shù)： 3/18頁
文件大?。?/td> 718K
代理商： LM9073S
Absolute Maximum Ratings
(Note 1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Input Voltage
Input Voltage (transient, t
≤
400mS)
Forced Output Voltages
Main Output
External Supply Output
ON/OFF Input Voltage(Note 6)
ON/OFF Input Current
Keep Alive In, Reset Out, C
DELAY
,
Reset Adjust,Watchdog Trigger
45V to 45V
60V
0.3V to 7V
0.3V to 27V
0.3V to 16V
±
20mA
In, C Watchdog
Junction Temperature
Storage Temperature
ESD Susceptibility(Note 2)
Lead temperature (Soldering, 10 Sec)
0.3V to 7V
150C
65C to 150C
2000V
265C
Operating Ratings
(Note 1)
Input Voltage Range
Ambient Temperature Range
Thermal Resistance
θ
JC
θ
JA
6V to 27V
40C to 125C
4C/W
43C/W
Electrical Characteristics
The following specifications apply for 6V
≤
v
IN
≤
19V, t
CASE
= 25C unless otherwise specified. C
OUT
≥
6μF with 0.3
≤
ESR
≤
0.3
on each regulator output.
Symbol
Parameter
Conditions
LM9073
Units
Min
Max
MAIN REGULATOR
V
MAIN
Output Voltage
10mA
≤
I
LOAD
≤
700mA
19V
≤
V
IN
≤
V
SD
,
5mA
≤
I
LOAD
≤
700mA
V
IN
= 16V, 10mA
≤
I
LOAD
≤
700mA
I
LOAD
= 700mA, 8V
≤
V
IN
≤
16V
V
IN
>
5.5V, 10mA
≤
I
LOAD
≤
700mA(Note 5)
4.9
5.1
V
4.8
5.2
V
R
MLOAD
Load Regulation
25
mV
R
MLINE
Line Regulation
Dropout Voltage, V
IN
V
MAIN
25
mV
V
MDO
1
V
V
SD
Overvoltage Shutdown
Threshold
Output Short Circuit Current
30
36
V
I
MSC
R
L
= 1
V
IN
= 9V, 50Hz
≤
freq
≤
20kHZ,
V
RIPPLE
= 4V
PP
2000
mA
PSRR
Ripple Rejection
40
dB
External Supply Regulator
V
EXT
Output Voltage
3mA
≤
I
LOAD
≤
100mA
19V
≤
V
IN
≤
V
SD
3mA
≤
I
LOAD
≤
100mA
V
IN
= 16V, 3mA
≤
I
LOAD
≤
100mA
I
LOAD
= 100mA, 8V
≤
V
IN
≤
16V
V
IN
>
5.5V, 3mA
≤
I
LOAD
≤
100mA (Note 5)
4.9
5.1
V
4.8
5.2
V
R
ELOAD
Load Regulation
25
mV
R
ELINE
Line Regulation
25
mV
V
EDO
Dropout voltage, V
IN
V
EXT
0.8
V
V
SD
Overvoltage Shutdown
Threshold
Output Short Circuit Current
Output Short Circuit
30
36
V
I
ESC
V
ESC
R
L
= 1
No effect on other functions
V
IN
= 9V, 50Hz
≤
freq
≤
20kHZ,
V
RIPPLE
= 4V
PP
250
27
mA
V
0.3
PSRR
Ripple Rejection
40
dB
Input Current
I
QOFF
Quiescent Input Current with
Both Regulators OFF.
8V
≤
V
IN
≤
16V
16V
≤
V
IN
≤
42V
8V
≤
V
IN
≤
19V, I
L
= 0mA
100
10
15
μA
mA
mA
I
Q
No Load Quiescent Current
L
www.national.com
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