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6288FS, 6289, 628A102

Table of contents:
Info of 6288FS
Info of 6289
Info of 628A102

6288FS, 6289, 628A102 Selling Leads, Datasheet

MFG:NEW Package Cooled:08+ D/C:08+09+

6288FS, 6289, 628A102 Datasheet download

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Part Number: 6288FS

MFG: NEW

Package Cooled: 08+

D/C: 08+09+

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6289 General Description

The LM117HV adjustable 3-terminal positive voltage regulator is capable of supplying in excess of 1.5A over a 1.2V to 57V output range. It is exceptionally easy to use and requires only two external resistors to set the output voltage. Further, both line and load regulation are better than standard fixed regulators.

In addition to higher performance than fixed regulators, the LM117HV offers full overload protection available only in IC's. Included on the chip are current limit, thermal overload protection and safe area protection. All overload protection circuitry remains fully functional even if the adjustment terminal is disconnected.

Normally, no capacitors are needed unless the device is situated more than 6 inches from the input filter capacitors in which case an input bypass is needed. An optional output capacitor can be added to improve transient response. The adjustment terminal can be bypassed to achieve very high ripple rejections ratios which are difficult to achieve with standard 3-terminal regulators.

Besides replacing fixed regulators, the LM117HV is useful in a wide variety of other applications. Since the regulator is "floating" and sees only the input-to-output differential voltage, supplies of several hundred volts can be regulated as long as the maximum input to output differential is not exceeded, (i.e. do not short the output to ground).

Also, it makes an especially simple adjustable switching regulator, a programmable output regulator, or by connecting a fixed resistor between the adjustment pin and output, the LM117HV can be used as a precision current regulator. Supplies with electronic shutdown can be achieved by clamping the adjustment terminal to ground which programs the output to 1.2V where most loads draw little current.

6289 Maximum Ratings

Power Dissipation
                                                                 Internally Limited
Input-Output Voltage Differential
                                                                 +60V, -0.3V
Maximum Junction Temperature
                                                                 150 C
Storage Temperature Range
                                                                  -65 C to +150 C
Lead Temperature (Soldering, 10 seconds)
                                                                  300 C
Thermal Resistance
ThetaJA
   (Still Air)                                                 38 C/W
     (500LF/Min Air flow)                               TBD
         ThetaJC                                              3 C/W

ESD Tolerance
(Note 2)
                                                                    2000V
Note 1: Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for which the device is intended to be 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.

6289 Features

- Adjustable output down to 1.2V
- Guaranteed 1.5A output current
- Line regulation typically 0.01%/V
- Load regulation typically 0.1%
- Current limit constant with temperature
- Eliminates the need to stock many voltages
- 80 dB ripple rejection
- Output is short-circuit protected

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