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LINEAR TECHNOLOGY  LTC1624CS8#PBF  DC/DC Controller, Current Mode, 3.5V to 36V, 1 Output, Boost, Buck, Inverting, SEPIC, 225kHz, SOIC-8

LINEAR TECHNOLOGY LTC1624CS8#PBF
Technical Data Sheet (403.06KB) EN 查看所有技術文件

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The LTC1624CS8#PBF is a high efficiency N-Channel switching Regulator Controller drives an external N-channel power MOSFET using fixed frequency architecture. It can be operated in all standard switching configurations including boost, step-down, inverting and SEPIC. Burst Mode® operation provides high efficiency at low load currents. A maximum high duty cycle limit of 95% provides low dropout operation which extends operating time in battery-operated systems. The operating frequency is internally set to 200kHz, allowing small inductor values and minimizing PC board space. The operating current level is user-programmable via an external current sense resistor. Wide input supply range allows operation from 3.5 to 36V (absolute maximum). A multifunction pin (ITH/RUN) allows external compensation for optimum load step response plus shutdown. Soft start can also be implemented with the ITH/RUN pin to properly sequence supplies.
  • N-channel MOSFET drive
  • Implements boost, step-down, SEPIC and inverting regulators
  • Wide VOUT range (1.19 to 30V in step-down configuration)
  • ±1% 1.19V Reference
  • Low dropout operation (95% duty cycle)
  • 200kHz Fixed frequency
  • Low standby current
  • Very high efficiency
  • Remote output voltage sense
  • Logic-controlled micro power shutdown
  • Internal diode for bootstrapped gate drive
  • Current mode operation for excellent line and load transient response

產品訊息

Supply Voltage Min:
3.5V
Supply Voltage Max:
36V
No. of Outputs:
1 Output
Duty Cycle (%):
95%
Controller IC Case Style:
SOIC
No. of Pins:
8Pins
Switching Frequency:
225kHz
Topology:
Boost, Buck, Inverting, SEPIC
Operating Temperature Min:
0°C
Operating Temperature Max:
70°C
Packaging:
Cut Tape
Product Range:
-
Automotive Qualification Standard:
-
MSL:
MSL 1 - Unlimited
SVHC:
No SVHC (17-Dec-2015)

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應用

  • Computers & Computer Peripherals;
  • Communications & Networking;
  • Wireless;
  • Power Management

法規與環境保護

濕敏等級:
MSL 1 - Unlimited
原產地:
United States

承擔產品生產最後程序之國家

符合 RoHS 規定:
關稅編號:
85423990
重量 (公斤):
.000175

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