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LM3670MF-ADJ/NOPB .

直流-直流开关降压(逐步递减)稳压器, 可调, 2.5V-5.5V输入, 700mV-3.3V输出, 350mA输出, SOT-23-5

TEXAS INSTRUMENTS LM3670MF-ADJ/NOPB .

图片仅用于图解说明,详见产品说明。

制造商产品编号:
LM3670MF-ADJ/NOPB .
库存编号
1008247

产品概述

The LM3670MF-ADJ/NOPB is a miniature step-down DC-to-DC Converter optimized for powering ultralow voltage circuits from a single Li-ion cell or three-cell NiMH/NiCd batteries. It provides up to 350mA load current, over an input voltage range from 2.5 to 5.5V. There are several different fixed voltage output options available as well as an adjustable output voltage version. The device offers superior features and performance for mobile phones. Automatic intelligent switching between pulse width modulation (PWM) low-noise and pulse frequency modulation (PFM) low-current mode offers improved system control. During full-power operation, a fixed-frequency 1MHz (typical) PWM mode drives loads from approximately 70 to 350mA maximum, with up to 95% efficiency. Hysteretic PFM mode extends the battery life through reduction of the quiescent current to 15µA (typical) during light current loads and system standby.
  • Automatic PFM and PWM mode switching
  • Low dropout operation - 100% duty cycle mode
  • Internal synchronous rectification for high efficiency
  • Internal soft-start function
  • Current overload protection
  • Operates from a single Li-ion cell or three-cell NiMH/NiCd batteries
  • Only three tiny surface-mount external components required (one inductor, two ceramic capacitors)
  • 0.1µA Typical shutdown current
  • Green product and no Sb/Br

应用

消费电子产品, 计算机和计算机周边, 便携式器材, 电源管理

产品信息

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:
降压

:
2.5V

:
5.5V

:
1输出

:
SOT-23

:
5引脚

:
350mA

:
700mV

:
3.3V

:
1.3MHz

:
85°C

:
-

:
-

:
MSL 1 -无限制
查找类似产品 选择并修改以上属性即可查找类似产品。

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