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6244WUN/NU6, 6245, 62451-022L

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Info of 6244WUN/NU6
Info of 6245
Info of 62451-022L

6244WUN/NU6, 6245, 62451-022L Selling Leads, Datasheet

MFG:NS Package Cooled:PGA D/C:03+

6244WUN/NU6, 6245, 62451-022L Datasheet download

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Part Number: 6244WUN/NU6

MFG: NS

Package Cooled: PGA

D/C: 03+

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6245 General Description

The LM137H is an adjustable 3-terminal negative voltage regulator capable of supplying in excess of -0.5A over an output voltage range of -1.2V to -37V. This regulator is exceptionally easy to apply, requiring only 2 external resistors to set the output voltage and 1 output capacitor for frequency compensation. The circuit design has been optimized for excellent regulation and low thermal transients. Futher, the LM137H features internal current limiting, thermal shutdown and safe-area compensation, making it virtually blowout-proof against overloads.

The LM137H serve a wide variety of applications including local on-card regulation,programmable-output voltage regulation or precision current regulation. The LM137H is an ideal complement to the LM117H adjustable positive regulator.

6245 Maximum Ratings

Power Dissipation
(Note 2)
                                                                           Internally Limited
Input-Output Voltage Differential
                                                                           40V
Operatuing Junction Temperature
                                                                           -55 C to +150 C
Maximum Junction Temperature
(Note 2)
                                                                           150 C
Maximum Power Dissipation
           (@ 25 C)                                                 2.5 Watts
Minimum Input Voltage
                                                                           -41.25V
Storage Temperature
                                                                           -65 C to +150 C
Lead Temperature
  (Soldering, 10 seconds)                                    300 C
Thermal Resistance
ThetaJA
     (Still Air @ 0.5W)                                            140 C/W H-Pkg
     (500LF/Min Air Flow @ 0.5W)                          64 C/W H-Pkg
ThetaJC
     H-Pkg    (@ 1.0W)                                            15 C/W
Package Weight
   (Typical)                                                            955mg
ESD Rating
(Note 3)
                                                                             4000V
Note 1: Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Rating indicate conditions for which the device is functional, but do not guarantee specific performance limits. For guaranteed specifications and test conditions, see the Electrical Characteristics. The guaranteed specifications apply only for the test conditions listed. Some performance characteristics may degrade when the device is not operated under the listed test conditions.

Note 2: The maximum power dissipation must be derated at elevated temperatures and is dictated by Tjmax (maximum junction temperature), ThetaJA (package junction to ambient thermal resistance), and TA (ambient temperature). The maximum allowable power dissipation at any temperature is Pdmax = (Tjmax - TA) /ThetaJA or the number given in the Absolute Maximum Ratings, whichever is lower.

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

6245 Features

- Output voltage adjustable from -1.2V to -37V
- 0.5A output current guaranteed, -55 C to +150 C
- Line regulation typically 0.01%/V
- Load regulation typically 0.3%
- Excellent thermal regulation, 0.002%/W
- 50 ppm/ C temperature coefficient
- Temperature-independent current limit
- Internal thermal overload protection
- Stantard 3-lead transistor package
- Output short circuit protected

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