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LM9070M Datasheet(PDF) 3 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part # LM9070M
Description  Low-Dropout System Voltage Regulator with Keep-Alive ON/OFF Control
PDF  13 Pages
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

LM9070M Datasheet(HTML) 3 Page - National Semiconductor (TI)

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Absolute Maximum Ratings (Note 1)
Input Voltage
ON/OFF, Keep-Alive Inputs
(through 1 k
Ω)
DC Input Voltage
−26V to +26V
Positive Input Transient (t<100 ms)
60V
Negative Input Transient (t<1 ms)
−50V
Reset Output Sink Current
5 mA
Power Dissipation
Internally Limited
Junction Temperature
150˚C
ESD Susceptibility (Note 2)
12 kV, 2 kV
Lead Temperature
(Soldering, 10 seconds)
260˚C
Storage Temperature
−50˚C to +150˚C
Operating Ratings (Note 1)
Input Voltage
6V to 26V
Ambient Temperature
−40˚C to +125˚C
θjc, TO-220, TO-263 Packages
3˚C/W
θja, TO-220, TO-263 Packages
43˚C/W
θj-pins, SO20 Package
25˚C/W
θja, SO20 Package
85˚C/W
Electrical Characteristics
The following specifications apply for V
CC= 6V to 26V, −40˚C ≤ TA≤ 125˚C, unless otherwise specified. COUT=47 µFd with an
ESR < 3
Ω.C
IN= 1 µFd.
Symbol
Parameter
Conditions
Min
Max
Units
REGULATOR OUTPUT
V
OUT
Output Voltage
5 mA
≤ I
OUT ≤ 250 mA
4.85
5.15
V
∆V
OUT Line
Line Regulation
I
OUT = 5 mA, 9V ≤ VIN ≤ 16.5V
I
OUT = 5 mA, 6V ≤ VIN ≤ 26V
25
50
mV
mV
∆V
OUT Load
Load Regulation
V
IN = 14.4V, 5 mA ≤ IOUT ≤ 250 mA
50
mV
Iq
Quiescent Current
V
ON/OFF ≤ VIN
I
OUT = 5mA
I
OUT = 250 mA, VIN ≥ 8V
I
OUT = 5 mA, VIN = 5V
I
OUT = 250 mA, VIN = 6V
4
25
10
50
mA
mA
mA
mA
Ioff
OFF Quiescent Current
V
IN ≤ 16.5V, Regulator OFF
−40˚C
≤ T
J ≤ 60˚C
60˚C
≤ T
J ≤ 135˚C
20
60
µA
µA
Vdo
Dropout Voltage
I
OUT = 5mA
I
OUT = 250 mA
300
800
mV
mV
Isc
Short Circuit Current
R
L = 1Ω
0.4
1.5
A
RR
Ripple Rejection
fripple = 120 Hz, Vripple = 1 Vrms
I
OUT = 50 mA
60
dB
Voth
OFF
Safety V
OUT Latch-OFF Threshold
In Keep-Alive mode
V
ON/OFF = 0V, VKA = 0V
4
4.5
V
OVthr
Overvoltage Shutdown Threshold
27
V
Vo Transient
V
OUT during Transients
V
IN Peak ≤ 60V,
R
L = 100Ω, τ = 100 ms
7V
RESET OUTPUT
Vth
Threshold Voltage
∆V
OUT Required to Generate a
Reset Output
4.85V
≤ V
OUT ≤ 5.15V
−300
−500
mV
Vlow
Reset Output Low Voltage
Isink = 1.6 mA, V
OUT > 3.2V
0.4
V
1.4V
≤ V
OUT ≤ 3.2V
0.8
V
Vhigh
Reset Output High Voltage
0.9 V
OUT
V
OUT
V
t
delay
Delay Time
Cdelay = 0.1 µFd
7
31
ms
I
delay
Charging Current for Cdelay
10
30
µA
Rpu
Internal Pull-up Resistance
12
80
k
Ω
CONTROL LOGIC
V
KAlow
Low Input Threshold Voltage,
Keep-Alive Input
3.5V
≤ V
OUT ≤ 5.25V
0.3 V
OUT
0.5 V
OUT
V
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