OM2940-05SM OM2940-15SM
OM2940-12SM
SURFACE MOUNT 0.5 VOLT LOW DROPOUT
POSITIVE REGULATOR
Isolated Hermetic Surface Mount Package
Three Terminal, Fixed Voltage, 1 Amp Low
Dropout Voltage Regulator
FEATURES
• |
Similar |
To Industry Standard LM2940 |
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• |
Dropout |
Voltage Typically 0.5V @ I |
O = 1A |
•Output Current Up To 1A
•Reverse Battery Protection
•Internal Short Circuit Protection
•Isolated Hermetic Surface Mount Package
DESCRIPTION
These three terminal fixed voltage regulators are designed to provide 1.0A with high efficiency. It has the ability to source 1A of output current with a typical dropout voltage of .5V and a maximum of 1V over the entire temperature range. It is supplied
in a hermetic surface mount package and is ideally suited for Military applications where small size and high reliability are required.
ABSOLUTE MAXIMUM RATINGS |
@ 25°C |
Input Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . |
. . . . . . . . . . . . . . . . . . . . 26 Vdc |
Output Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
. . . . . . +5V, +12V, +15 Vdc |
Operating Junction Temperature Range . . . . . . . |
. . . . . . . . . . . . - 55° C to + 125°C |
Storage Temperature Range . . . . . . . . . . . . . . . |
. . . . . . . . . . . . - 65° C to + 150°C |
Lead Temperature (Soldering 10 Seconds) . . . . . |
. . . . . . . . . . . . . . . . . . . . 300°C |
Thermal Resistance: |
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θ JC (Isolated) . . . . . . . . . . . . . . . . . . . . . . . . . |
. . . . . . . . . . . . . . . . . . . 15°C/W |
Maximum Output Current . . . . . . . . . . . . . . . . . |
. . . . . . . . . . . . . . . . . . . . . . 1.0A |
a |
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3.5
4 11 R0 |
3.5 - 57 |
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5.3 |
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ELECTRICAL CHARACTERISTICS, P/N |
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OM2940-5SM (5 Volts) |
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ELECTRICAL CHARACTERISTICS, P/N OM2940-12SM (12 Volts) |
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-55°C ≤ T |
A ≤ 125°C, V IN |
= 10 V, |
I O = 1 A, C |
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OUT |
= 22 µF |
(unless otherwise specified). |
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-55°C ≤ T |
A ≤ 125°C, V IN |
= 17 V, I |
O = 1 A, C |
OUT |
= 22 µF |
(unless otherwise specified). |
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Parameter |
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Symbol |
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Test Conditions |
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Notes |
Min. |
Max. |
Unit |
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Parameter |
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Symbol |
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Test Conditions |
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Notes |
Min. |
Max. |
Unit |
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Output Voltage |
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V |
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OUT |
V IN = 10 V, I OUT |
= 5 mA |
1 |
4.85 |
5.15 |
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V |
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Output Voltage |
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V |
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OUT |
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V IN = 17 V, I OUT |
= 5 mA |
1 |
11.64 |
12.36 |
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V |
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2 |
4.75 |
5.25 |
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2 |
11.40 |
12.60 |
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V IN = 6 V, IOUT |
= 5 mA |
1 |
4.85 |
5.15 |
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V IN = 13.6 V, I OUT |
= 5 mA |
1 |
11.64 |
12.36 |
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2 |
4.75 |
5.25 |
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2 |
11.40 |
12.60 |
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V IN = 7 V, I OUT |
= 5 mA |
1 |
4.85 |
5.15 |
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V IN = 14 V, I OUT |
= 5 mA |
1 |
11.64 |
12.36 |
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2 |
4.75 |
5.25 |
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2 |
11.40 |
12.60 |
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V IN = 26 V, I OUT |
= 5 mA |
1 |
4.85 |
5.15 |
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V IN = 26 V, I OUT |
= 5 mA |
1 |
11.64 |
12.36 |
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2 |
4.75 |
5.25 |
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2 |
11.40 |
12.60 |
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V IN = 10 V, I OUT |
= 1 A |
1 |
4.85 |
5.15 |
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V IN = 17 V, I OUT |
= 1 A |
1 |
11.64 |
12.36 |
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2 |
4.75 |
5.25 |
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2 |
11.40 |
12.60 |
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V IN = 6 V, IOUT |
= 1 A |
1 |
4.85 |
5.15 |
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V IN = 13.6 V, I OUT |
= 1 A |
1 |
11.64 |
12.36 |
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2 |
4.75 |
5.25 |
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2 |
11.40 |
12.60 |
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V IN = 6 V, IOUT = 50 mA |
1 |
4.85 |
5.15 |
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V IN = 13.6 V, I OUT |
= 50 mA |
1 |
11.64 |
12.36 |
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2 |
4.75 |
5.25 |
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2 |
11.40 |
12.60 |
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V IN = 10 V, I OUT |
= 50 mA |
1 |
4.85 |
5.15 |
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V IN = 17 V, I OUT = 50 mA |
1 |
11.64 |
12.36 |
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2 |
4.75 |
5.25 |
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2 |
11.40 |
12.60 |
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Maximum Line Transient |
V |
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LT |
V O ≤ 6 V, R |
O |
= 100 Ω, t = 20 ms |
1, 2 |
40 |
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V |
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Maximum Line Transient |
V |
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LT |
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V O ≤ 13 V, R O |
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= 100 Ω, t = 20 ms |
1, 2 |
40 |
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V |
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Reverse Polarity |
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V RIN |
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R O |
= 100 Ω |
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1, 2 |
-15 |
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Reverse Polarity |
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V RIN |
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R O |
= 100 Ω |
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1, 2 |
-15 |
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Input Voltage DC |
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V |
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Input Voltage DC |
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V |
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5.3 |
Reverse Polarity |
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V RIT |
R O |
= 100 Ω, t =20 ms |
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1, 2 |
-45 |
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Reverse Polarity |
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V RIT |
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R O |
= 100 Ω, t =20 ms |
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1, 2 |
-45 |
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Input Voltage Transient |
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V |
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Input Voltage Transient |
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V |
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58 |
Quiescent |
Current |
I |
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Q |
V IN = 10 V, I OUT |
= 5 mA |
1 |
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20 |
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mA |
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Quiescent |
Current |
I |
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Q |
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V IN = 17 V, I OUT |
= 5 mA |
1 |
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20 |
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mA |
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2 |
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30 |
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2 |
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30 |
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V IN = 7 V, I OUT |
= 5 mA |
1 |
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20 |
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V IN = 14 V, I OUT |
= 5 mA |
1 |
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20 |
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2 |
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30 |
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2 |
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30 |
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V IN = 26 V, I OUT |
= 5 mA |
1 |
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20 |
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V IN = 26 V, I OUT |
= 5 mA |
1 |
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20 |
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2 |
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30 |
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2 |
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V IN = 10 V, I OUT |
= 1 A |
1 |
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70 |
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V IN = 17 V, I OUT |
= 1 A |
1 |
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70 |
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2 |
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120 |
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120 |
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Line Regulation |
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V |
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RLN |
7 V ≤ |
V |
IN ≤ 26 V, |
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1 |
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±55 |
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mV |
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Line Regulation |
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V |
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RLN |
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14 V ≤ |
V |
IN ≤ 26 V, |
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1 |
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±110 |
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mV |
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IOUT |
= 5 mA |
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2 |
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±80 |
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IOUT |
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= 5 mA |
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2 |
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±180 |
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Load Regulation |
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V |
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RLD |
V IN = 10 V, 50 mA ≤ I |
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≤ 1 A |
1 |
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±65 |
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mV |
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Load Regulation |
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V |
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RLD |
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V IN = 17 V, 50 mA ≤ I |
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≤ 1 A |
1 |
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±160 |
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mV |
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OUT |
2 |
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±120 |
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OUT |
2 |
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±220 |
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Dropout Voltage |
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V |
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DO |
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IOUT |
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= 1 A |
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1 |
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.7 |
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V |
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Dropout Voltage |
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V |
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DO |
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IOUT |
= 1 A |
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1 |
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.7 |
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V |
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2 |
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1 |
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2 |
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1 |
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IOUT |
= 100 mA |
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1 |
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150 |
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mV |
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IOUT |
= 100 mA |
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1 |
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150 |
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mV |
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2 |
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200 |
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2 |
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200 |
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Output Noise Voltage |
V |
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ON |
V IN = 10 V, I O = 5 mA, |
1, 2 |
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700 |
µV |
rms |
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Output Noise Voltage |
V |
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ON |
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V IN = 17 V, I O = 5 mA, |
1 |
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1000 |
µV |
rms |
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10 Hz - 100 Hz |
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10 Hz - 100 Hz |
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Output Impedance |
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R |
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O |
V IN = 10 V, I OUT |
= 100 mA dc |
1, 2 |
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1 |
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Ω |
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Output Impedance |
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R |
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O |
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V IN = 17 V, I OUT = 100 mA dc |
1, 2 |
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1 |
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Ω |
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and 20 mA ac, f |
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O = 120 Hz |
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and 20 mA ac, f |
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O = 120 Hz |
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Short Circuit Current |
I |
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V IN = 10 V |
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1.2 |
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A |
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Short Circuit Current |
I |
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V IN = 17 V |
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1.2 |
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A |
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2 |
1.0 |
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2 |
1.0 |
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Ripple Rejection |
R |
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R |
V IN = 10 V + 1 V rms, |
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1 |
60 |
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dB |
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Ripple Rejection |
R |
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V IN = 17 V + 1 V rms, |
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1 |
52 |
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dB |
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IOUT |
= 5 mA, f = 1 kHz |
2 |
50 |
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IOUT |
= 5 mA, f = 1 kHz |
2 |
46 |
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Notes: |
1. T A |
= 25°C . |
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Notes: |
1. |
T A |
= 25°C . |
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2. |
Over full operating temperature range. |
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2. |
Over full operating temperature range. |
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15SM-OM2940 - 05SM-OM2940