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LM2931Z-5.0 датащи(PDF) 6 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
номер детали LM2931Z-5.0
подробное описание детали  Series Low Dropout Regulators
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производитель  NSC [National Semiconductor (TI)]
домашняя страница  http://www.national.com
Logo NSC - National Semiconductor (TI)

LM2931Z-5.0 датащи(HTML) 6 Page - National Semiconductor (TI)

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Electrical Characteristics for Fixed 5V Version (Continued)
V
IN = 14V, IO = 10mA, TJ = 25˚C, C2 = 100 µF (unless otherwise specified) (Note 2)
Parameter
Conditions
LM2931A-5.0
LM2931-5.0
Units
Typ
Limit
(Note 3)
Typ
Limit
(Note 3)
Load Regulation
5 mA
≤ I
O ≤ 100mA
14
50
14
50
mV
MAX
Output Impedance
100mA
DC and 10mArms,
100Hz -10kHz
200
200
m
Quiescent Current
I
O ≤ 10mA, 6V ≤ VIN ≤ 26V
0.4
1.0
0.4
1.0
mA
MAX
−40˚C
≤ T
J ≤ 125˚C
I
O = 100mA, VIN = 14V, TJ = 25˚C
15
30
5
15
mA
MAX
mA
MIN
Output Noise Voltage
10Hz -100kHz, C
OUT = 100µF
500
500
µV
rms
Long Term Stability
20
20
mV/1000
hr
Ripple Rejection
f
O = 120 Hz
80
55
80
dB
MIN
Dropout Voltage
I
O = 10mA
I
O = 100mA
0.05
0.3
0.2
0.6
0.05
0.3
0.2
0.6
V
MAX
Maximum Operational Input
Voltage
33
26
33
26
V
MIN
Maximum Line Transient
R
L = 500Ω,VO ≤ 5.5V,
T = 1ms,
τ≤ 100ms
70
60
70
50
V
MIN
Reverse Polarity Input
Voltage, DC
V
O ≥ −0.3V, RL = 500Ω
−30
−15
−30
−15
V
MIN
Reverse Polarity Input
Voltage, Transient
T = 1ms,
τ≤ 100ms, R
L = 500Ω
−80
−50
−80
−50
V
MIN
Note 1: Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Electrical specifications do not apply when operating the device
beyond its rated operating conditions.
Note 2: See circuit in Typical Applications. To ensure constant junction temperature, low duty cycle pulse testing is used.
Note 3: All limits are guaranteed for TJ = 25˚C (standard type face) or over the full operating junction temperature range of −40˚C to +125˚C (bold type face).
Note 4: The maximum power dissipation is a function of maximum junction temperature TJmax, total thermal resistance θJA, and ambient temperature TA. The
maximum allowable power dissipation at any ambient temperature is PD =(TJmax −TA)/θJA. If this dissipation is exceeded, the die temperature will rise above 150˚C
and the LM2931 will go into thermal shutdown. For the LM2931 in the TO-92 package,
θJA is 195˚C/W; in the SO-8 package, θJA is 160˚C/W, and in the TO-220
package,
θJA is 50˚C/W; in the TO-263 package, θJA is 73˚C/W; and in the 6-Bump micro SMD package θJA is 290˚C/W. If the TO-220 package is used with a heat
sink,
θJA is the sum of the package thermal resistance junction-to-case of 3˚C/W and the thermal resistance added by the heat sink and thermal interface.
If the TO-263 package is used, the thermal resistance can be reduced by increasing the P.C. board copper area thermally connected to the package: Using 0.5
square inches of copper area,
θJA is 50˚C/W; with 1 square inch of copper area, θJA is 37˚C/W; and with 1.6 or more square inches of copper area, θJA is 32˚C/W.
Note 5: Human body model, 100 pF discharged through 1.5 k
Ω.
Electrical Characteristics for Adjustable Version
V
IN = 14V, VOUT = 3V, IO = 10 mA, TJ = 25˚C, R1 = 27k, C2 = 100 µF (unless otherwise specified) (Note 2)
Parameter
Conditions
Typ
Limit
Units
Limit
Reference Voltage
1.20
1.26
V
MAX
1.14
V
MIN
I
O ≤ 100 mA, −40˚C ≤ Tj ≤ 125˚C, R1 = 27k
1.32
V
MAX
Measured from V
OUT to Adjust Pin
1.08
V
MIN
Output Voltage Range
24
V
MAX
3V
MIN
Line Regulation
V
OUT + 0.6V ≤ VIN ≤ 26V
0.2
1.5
mV/V
MAX
Load Regulation
5 mA
≤ I
O ≤ 100 mA
0.3
1
%
MAX
Output Impedance
100 mA
DC and 10 mArms, 100 Hz–10 kHz
40
m
Ω/V
Quiescent Current
I
O = 10 mA
0.4
1
mA
MAX
I
O = 100 mA
15
mA
During Shutdown R
L = 500Ω
0.8
1
mA
MAX
www.national.com
6


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