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LM3481QMM/NOPB

MOSFET驱动器, 低压侧, 2.97V-48V电源, 1A输出, 25ns延迟, VSSOP-10

TEXAS INSTRUMENTS LM3481QMM/NOPB

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制造商产品编号:
LM3481QMM/NOPB
库存编号
3118817

产品概述

The LM3481QMM/NOPB is a versatile low-side N-FET High-performance Controller for boost, SEPIC and Flyback DC to DC converters and switching regulators. The device can be operated at extremely high switching frequencies to reduce the overall solution size. The switching frequency of the LM3481 device can be adjusted to any value between 100kHz and 1MHz by using a single external resistor or by synchronizing it to an external clock. Current mode control provides superior bandwidth and transient response in addition to cycle-by-cycle current limiting. Current limit can be programmed with a single external resistor. The device has built-in protection features such as thermal shutdown, short-circuit protection and over-voltage protection. Power-saving shutdown mode reduces the total supply current to 5 µA and allows power supply sequencing. Internal soft-start limits the inrush current at start-up.
  • Current limit and thermal shutdown
  • Frequency compensation optimized with a capacitor and a resistor
  • Internal soft-start
  • Current-mode operation
  • Adjustable under-voltage lockout with hysteresis
  • Pulse skipping at light loads
  • ±1.5% Internal reference (over-temperature)
  • 10µA Shutdown current (over-temperature)
  • Green product and no Sb/Br

应用

电源管理, 车用, 便携式器材, 消费电子产品, 音频, 计算机和计算机周边

产品信息

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:
低压侧

:
1A

:
2.97V

:
48V

:
VSSOP

:
10引脚

:
25ns

:
25ns

:
-40°C

:
125°C

:
-

:
-

:
MSL 1 -无限制
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