LM2623MM Semiconductors - ICs by Texas Instruments

IC DC/DC CONVERTER ADJ POWERWISE

Status: Unknown
Series: -
RoHS: Unknown
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The LM2623 is a high-efficiency, general-purpose, step-up DC-DC switching regulator for batterypowered and low input voltage systems. It accepts an input voltage between 0.8 V and 14 V and converts it into a regulated output voltage between 1.24 V and 14 V. Efficiencies up to 90% are achievable with the LM2623. In order to adapt to a number of applications, the LM2623 allows the designer to vary the output voltage, the operating frequency (300 kHz to 2 MHz) and duty cycle (17% to 90%) to optimize the part's performance. The selected values can be fixed or can vary with battery voltage or input to output voltage ratio. The LM2623 uses a very simple, on/off regulation mode to produce good efficiency and stable operation over a wide operating range. It normally regulates by skipping switching cycles when it reaches the regulation limit (Pulse Frequency Modulation). Note: Please read the Non-Linear Effect and Choosing the Correct C3 Capacitor sections so that any challenges with designing with this part can be taken into account before a board design/layout is finalized. For alternative solutions, See Also: LM2700, LM2622, LM2731, LM2733, and LM2621.

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Specifications

Topology Boost (Step Up)
Input Voltage Min 800mV
Input Voltage Max 14V
No. of Outputs 1Outputs
DC / DC Converter IC Case VSSOP
No. of Pins 8Pins
Output Current 2A
Output Voltage Min 1.24V
Output Voltage Max 14V
Switching Frequency 2MHz
Operating Temperature Max 85°C
Product Range -
Automotive Qualification Standard -
MSL -
SVHC No SVHC (27-Jun-2018)
Adjustable Output Voltage Min 1.24V
Base Number 2623
Frequency 2MHz
IC Generic Number 2623
Operating Temperature Min -40°C
Operating Temperature Range -40°C to +85°C
Output Current Max 2000mA
Output Voltage 14V
Primary Input Voltage 14V
Supply Voltage Min 0.8V
Switch Output Current Isw Max 1.2A
Termination Type Surface Mount Device
Voltage Regulator Type Switching Step Up (Boost) Flyback


Frequently Asked Questions

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The LM2623MM is listed under Electronic & Electrical Components > Semiconductors - ICs > Power Management.

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This part has not been flagged as RoHS Compliant.

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