lm9072 National Semiconductor Corporation, lm9072 Datasheet - Page 2

• Manufacturer Part Number: lm9072
• Description: Dual Tracking Low-dropout System Regulator
• Manufacturer: National Semiconductor Corporation

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Symbol
MAIN REGULATOR
V
R
R
V
V
I
R
TRACKING REGULATOR
V
V
V
V
I
V
R
INPUT CURRENT
I
I
In
MSC
TSC
qOFF
q
Absolute Maximum Ratings
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Input Voltage (Continuous)
Input Voltage (Transient, t
Forced Output Voltages
ON/OFF Input Voltage (Note 6)
ON/OFF Input Current
Keep Alive In, Reset Out,
Junction Temperature
Electrical Characteristics
6.0V
MAIN
MLOAD
MLINE
MDO
SD
MRR
TRACK
ERROR
TDO
SD
TSC
TRR
ON
Main Output
Tracking Output
C
DELAY
V
IN
Voltage
Parameter
Output Voltage
Load Regulation
Line Regulation
Dropout Voltage, V
Overvoltage Shutdown Threshold
Output Short Circuit Current
Ripple Rejection
Output Voltage
Output Tracking Error
(V
Dropout Voltage,
V
Overvoltage Shutdown Threshold
Output Short Circuit Current
Output Short Circuit Voltage
Ripple Rejection
Quiescent Input Current with
Both Regulators OFF
No Load Quiescent Current
Additional Input Current with
Both Regulators ON
19V, T
IN
MAIN
–V
TRACK
–V
CASE
TRACK
= 25˚C, unless otherwise specified. C
)
400 ms)
IN
–V
MAIN
(Note 9)
−0.3V to 27V
−0.3V to 16V
(Note 1)
−45V to 45V
−0.3V to 7V
−0.3V to 7V
±
Conditions
5 mA
−40˚C
19V
5 mA
−40˚C
V
I
V
(Note 5)
R
V
V
1 mA
−40˚C
19V
1 mA
−40˚C
1 mA
V
(Note 5)
R
No Effect On Other Functions
V
V
8V
16V
8V
V
I
LOAD
Ltotal
IN
IN
IN
RIPPLE
IN
IN
RIPPLE
IN
L
L
20 mA
150˚C
= 1
= 1
= 16V, 5 mA
= 9V, 50
= 9V, 50
>
>
>
60V
V
V
= 350 mA + 80 mA = 430 mA
= 350 mA, 8V
5.5V, 5 mA
5.5V, 1 mA
8V, I
V
V
V
IN
IN
I
I
IN
I
I
IN
I
IN
LOAD
LOAD
= 4V
LOAD
LOAD
LOAD
= 4V
T
T
T
T
CASE
CASE
CASE
CASE
2
Ltotal
16V
19V, I
OUT
V
V
42V
P-P
P-P
SD
SD
Storage Temperature Range
ESD Susceptibility (Note 2)
Lead Temperature
Operating Ratings
Input Voltage Range
Ambient Temperature Range
TO-220 Thermal Resistance,
TO-220 Thermal Resistance,
(Note 7)
TO-263 Thermal Resistance,
TO-263 Thermal Resistance,
(Note 8)
Freq
Freq
350 mA
350 mA
80 mA
80 mA
80 mA
= I
,
L
(Soldering, 10 seconds)
125˚C
125˚C
125˚C
125˚C
6 µF with 0.3
= 0 mA
Lmain
I
LOAD
I
I
LOAD
LOAD
20 kHz,
20 kHz,
V
IN
+ I
Ltrack
350 mA
350 mA
80 mA
16V
ESR
3
4.725
4.85
Min
450
−50
4.9
4.8
30
40
30
−2
40
on each regulator output.
J-C
J-A
J-C
J-A
(Note 1)
5.275
1000
Max
5.15
200
5.1
5.2
0.8
0.8
1.2
25
25
36
50
36
40
10
15
27
−65˚C to +150˚C
−40˚C to +125˚C
6V to 27V
73˚C/W
80˚C/W
x I
2000V
Units
3˚C/W
3˚C/W
265˚C
mA
mV
mV
mA
mV
mA
mA
dB
dB
µA
Ltotal
V
V
V
V
V
V
V
V
V