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6407MT20, 6408, 64081

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Info of 6407MT20
Info of 6408
Info of 64081

6407MT20, 6408, 64081 Selling Leads, Datasheet

MFG:FAIRCHIL Package Cooled:TSSOP D/C:NO

6407MT20, 6408, 64081 Datasheet download

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Part Number: 6407MT20

MFG: FAIRCHIL

Package Cooled: TSSOP

D/C: NO

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6408 General Description

The LM2940 positive voltage regulator features the ability to source 1A of ouput current with a dropout voltage of typically 0.5V and a maximum of 1V over the entire temperature range. Furthermore, a quiescent current reduction circuit has been included which reduces the ground current when the differential between the input voltage and the output voltage exceeds approximately 3V. The quiescent current with 1A of output current and an input-output differential of 5V is therefore only 30 mA. Higher quiescent currents only exist when the regulator is in the dropout mode (Vin - Vout < 3V).

Designed also for vehicular applications, the LM2940 and all regulated circuitry are protected from reverse battery installations or 2-battery jumps. During line transients,such as load dump when the input voltage can momentarily exceed the specified maximum operating voltage, the regulator will automatically shut down to protect both the internal circuits and the load. The LM2940 cannot be harmed by temporary mirror-image insertion.Familiar regulator features such as short circuit and thermal overload protection are also provided.

6408 Maximum Ratings

Input Voltage (Survival Voltage)
                                                                             40V
Internal Power Dissipation
(Note 2)
                                                                             Internally Limited
Maximum Junction Temperature
                                                                             150 C
Storage Temperature Range
                                                                             -65 C < TJ < +150 C
Lead Temperature (Soldering, 10 seconds)
                                                                             300 C
ESD Susceptibility
(Note 3)
                                                                             4kV
Note 1: Absolute Maximum Ratings are limits beyond which damage to the device may occur.Operating Conditions are conditions under which the device functions but the specifications might not be guaranteed. For guaranteed specifications and test conditions see the Electrical Characteristics.

Note 2: The maximum power dissipation is a function of the maximum junction temperature,  Tj = 150 C, the junction-to-ambient thermal resistance, ThetaJA, and the ambient temperature, TA. The maximum allowable power dissipation at any ambient temperature is PDMAX = (150 - TA)/ThetaJA. If this dissipation is exceeded, the die temperature will rise above 150 C and the LM2940 will go into thermal shutdown. ThetaJA is 39 C/W and ThetaJC is 4 C/W.

Note 3: Human body model, 100pF discharged through 1.5K Ohms

6408 Features

- Dropout voltage typically 0.5V @ Io = 1A
- Output current in excess of 1A
- Output voltage trimmed before assembly
- Reverse battery protection
- Internal short circuit current limit
- Mirror image insertion protection

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