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LM2984C Datasheet(PDF) 3 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part # LM2984C
Description  LM2984C Microprocessor Power Supply System
PDF  14 Pages
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

LM2984C Datasheet(HTML) 3 Page - National Semiconductor (TI)

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Electrical Characteristics (Continued)
VIN e 14V Ibuf e 5 mA Cbuf e 10 mF Tj e 25 C (Note 6) unless otherwise indicated
Tested
Design
Parameter
Conditions
Typical
Limit
Limit
Units
(Note 2)
(Note 3)
Vbuffer (Pin 10)
Output Voltage
5 mA s Io s 100 mA
500
485
475
Vmin
6V s VIN s 26V
515
525
Vmax
Line Regulation
9V s VIN s 16V
2
25
mVmax
7V s VIN s 26V
5
50
mVmax
Load Regulation
5 mA s Ibuf s 100 mA
15
50
mVmax
Output Impedance
50 mAdc and 10 mArms
200
mX
Quiescent Current
Ibuf e 100 mA
80
150
mAmax
Output Noise Voltage
10 Hz – 100 kHz IOUT e 100 mA
100
m
V
Long Term Stability
20
mV1000 hr
Ripple Rejection
fo e 120 Hz
70
60
dBmin
Dropout Voltage
Ibuf e 100 mA
035
050
060
Vmax
Current Limit
023
015
Amin
Maximum Operational
Continuous DC
32
26
26
Vmin
Input Voltage
Maximum Line
Vbuf s 6V Rbuf e 100X
45
35
35
Vmin
Transient
Reverse Polarity
Vbuf t b06V Rbuf e 100X
b
30
b
15
b
15
Vmin
Input Voltage DC
Reverse Polarity Input
T s 100 ms Rbuf e 100X
b
55
b
35
b
35
Vmin
Voltage Transient
Electrical Characteristics
VIN e 14V Istby e 1 mA Cstby e 10 mF Tj e 25 C (Note 6) unless otherwise indicated
Tested
Design
Parameter
Conditions
Typical
Limit
Limit
Units
(Note 2)
(Note 3)
Vstandby (Pin 9)
Output Voltage
1 mA s Io s 75 mA
500
485
475
Vmin
6V s VIN s 26V
515
525
Vmax
Line Regulation
9V s VIN s 16V
2
25
mVmax
7V s VIN s 26V
5
50
mVmax
Load Regulation
05 mA s Istby s 75 mA
6
50
mVmax
Output Impedance
5 mAdc and1mArms fo e 120 Hz
09
X
Quiescent Current
Istby e 75 mA
12
20
mAmax
Istby e 2 mA
09
15
mAmax
3



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