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LTM8031 数据表(PDF) 7 Page - Linear Technology |
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LTM8031 数据表(HTML) 7 Page - Linear Technology |
7 / 22 page LTM8031 7 8031fb pin FuncTions SYNC (Pin L6): This is the external clock synchronization input.GroundthispinforlowrippleBurstMode®operation at low output loads. Tie to a stable voltage source greater than 0.7V to disable Burst Mode operation. Do not leave this pin floating. Tie to a clock source for synchroniza- tion. Clock edges should have rise and fall times faster than 1µs. See Synchronization section in Applications Information. PGOOD (Pin K7): The PGOOD pin is the open-collector outputofaninternalcomparator.PGOODremainslowuntil the ADJ pin is within 10% of the final regulation voltage. The PGOOD output is valid when VIN is above 3.6V and RUN/SS is high. If this function is not used, leave this pin floating. ADJ (Pin J7): The LTM8031 regulates its ADJ pin to 0.79V. Connect the adjust resistor from this pin to ground. The value of RADJ is given by the equation: RADJ = 196.71 VOUT – 0.79 where RADJ is in kΩ. block DiagraM CURRENT MODE CONTROLLER 249k 10µF VOUT AUX GND 4.7µH BIAS 22pF EMI FILTER FIN VIN GND SHARE SYNC RT PGOOD ADJ 8031 BD RUN/SS |
类似零件编号 - LTM8031 |
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类似说明 - LTM8031 |
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