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LM2623AMM
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LM2623AMM

  • 所属类别:ADC模数转换器
  • 产品名称:通用,门控振荡器为基础,直流/直流升压转换器
  • 厂商:NSC
  • 生产批号:10+
  • 封装:MSOP8
  • 库存状态:有库存
  • 库存量:5500
  • 最低订购量:1
  • 详细资料:点击查找LM2623AMM的pdf资料
  • 点击询价
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  • Product Introduction

peculiarity

  • Good benefits in a wide load range
  • Very low output voltage ripple
  • Small, miniature SO-8 package (half of the standard 8-pin SO package footprint)
  • 1.09 mm package height
  • Switching frequency up to 2 MHz
  • Operating voltage from 0.8 V to 14 V
  • It is a starting voltage of 1.1V
  • Adjustable output voltage from 1.24V - 14V
  • Up to 2A load current at low output voltage
  • 0.17 Internal MOSFETs
  • Up to 90% regulator efficiency
  • 80μA Typical Operating Current (to V DD Power Pin)
  • Available in a 4× 4mm heat-resistant enhanced LLP package option

illustrate

The LM2623 is a high-efficiency, general-purpose, step-up DC-DC switch for battery-powered and low-input voltage system regulators. It accepts an input voltage of 0.8 volts and converts 14 to regulate the output voltage between 1.24 and 14 volts. Efficiency of up to 90% can be achieved with LM2623.

To accommodate the number of applications, the LM2623 allows designers to vary the output voltage, operating frequency (300kHz to 2 MHz), and duty cycle (17% to 90%) to optimize device performance. The selected value can be fixed or can be ratio with battery voltage or input/output voltage. The LM2623 uses a very simple on/off supervision mode to produce good efficiency and stable operation over a wide operating range. It usually reaches the limit of stability (pulse frequency modulation) when skipping the switching cycle regulation.

Note: Please read the sections of this datasheet on the "Nonlinear Effects" and "Selecting the Right Complement C3 Capacitors" sub-design process so that any design challenges related to this part can be considered for the front-plate design/layout completion.

Alternative solutions, see also: LM2700, LM2622, LM2731, LM2733, LM2621 and.


apply

  • camera, pager and mobile phone
  • handheld computer, handheld computer, GPS device
  • White LED driver, TFT or scan for LCD display
  • Flash programming
  • Handheld instrument
  • 1, 2, 3 or 4 alkaline battery systems
  • 1, 2 or 3 cell lithium-ion battery systems

LM2623AMM-related ICs include:


Model Manufacturers lot number encapsulation illustrate
LM2623AMM/NOPB   10+11+   Hong Kong spot, imported original
LM2623AMM NSC 10+ MSOP8 Universal, gated oscillator based, DC/DC boost converter

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