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LM2623MMX
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LM2623MMX

  • Category:ADC analog-to-digital converter
  • Product Name:General-purpose, gated oscillator based, DC/DC boost converter
  • Manufacturers:NSC
  • Production Batch Number:07+
  • Encapsulation:MSOP8
  • Stock Status:There is stock
  • Stock Quantity:37388
  • Minimum order quantity: 1
  • Details:Click here to find pdf information on the LM2623MMX
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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 standard 8-pin SO package footprint)
  • 1.09mm package height
  • Up to 2 MHz switching frequency
  • 0.8 V to 14 V operating voltage
  • is a 1.1V start-up voltage
  • Adjustable output voltage from 1.24V to 14V
  • Up to 2A load current at low output voltage
  • 0.17 Internal MOSFETs
  • Up to 90% regulator efficiency
  • 80μA typical operating current (to VDDPower Pin)
  • Available in 4 × 4mm heat-resistant enhanced LLP package options

illustrate

The LM2623 is a high efficiency, universal utility, step-up DC-DC switch for battery-powered and low input voltage system regulators. It accepts an input voltage of 0.8 volts, converting 14 to a regulated output voltage between 1.24 and 14 volts. Efficiency up to 90% is achievable with LM2623.

To accommodate the number of applications, the LM2623 allows designers to vary the output voltage, operating frequency (300 kHz to 2 MHz), and duty cycle (17% to 90%) to optimize device performance. The selected value can be fixed or can be proportional to 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 typically reaches the settling limit (pulse frequency modulation) when adjusting by skipping the switching cycle.

Note: Please read the sections of this data sheet for the "Nonlinear Effects" and "Choosing the Right Complement C3 Capacitor" sub-design process so that any challenges associated with this part of the design can be considered for front plate design/layout completion.

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


apply

  • Cameras, pagers and cell phones
  • PDA, PDA, GPS device
  • White LED driver, TFT or scanning of LCD display
  • Flash programming
  • Handheld instruments
  • 1, 2, 3 or 4 alkaline battery systems
  • 1, 2 or 3 cell lithium-ion battery systems

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Model Manufacturers lot number encapsulation illustrate
LM2623MMX NSC 07+ MSOP8 General-purpose, gated oscillator based, DC/DC boost converter

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