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Technical Specifications
Parameters and characteristics for this part
| Specification | LM2623LDX |
|---|---|
| Current - Output | 2.2 A |
| Frequency - Switching [Max] | 2 MHz |
| Frequency - Switching [Min] | 300 kHz |
| Function | Step-Up |
| Mounting Type | Surface Mount |
| Number of Outputs | 1 |
| Operating Temperature [Max] | 85 °C |
| Operating Temperature [Min] | -40 °C |
| Output Configuration | Positive |
| Output Type | Adjustable |
| Package / Case | 14-WFDFN Exposed Pad |
| Supplier Device Package | 14-WSON (4x4) |
| Synchronous Rectifier | False |
| Topology | Boost |
| Voltage - Input (Max) [Max] | 14 V |
| Voltage - Input (Min) [Min] | 0.8 V |
| Voltage - Output (Max) [Max] | 14 V |
| Voltage - Output (Min/Fixed) | 1.24 V |
LM2623-Q1 Series
0.8-V to 14-V input voltage, 2-A load current, step-up DC/DC, AEC-Q100 qualified
| Part | Topology | Voltage - Output (Min/Fixed) | Voltage - Input (Min) [Min] | Supplier Device Package | Output Type | Synchronous Rectifier | Frequency - Switching [Max] | Frequency - Switching [Min] | Output Configuration | Package / Case | Mounting Type | Number of Outputs | Voltage - Input (Max) [Max] | Voltage - Output (Max) [Max] | Operating Temperature [Max] | Operating Temperature [Min] | Current - Output | Function | Package / Case [custom] | Package / Case | Voltage - Output | Voltage - Input [Min] | Voltage - Input [Max] | Main Purpose | Utilized IC / Part | Outputs and Type | Outputs and Type | Board Type | Regulator Topology | Supplied Contents | Frequency - Switching | Grade | Qualification |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Texas Instruments | Boost | 1.24 V | 0.8 V | 14-WSON (4x4) | Adjustable | 2 MHz | 300 kHz | Positive | 14-WFDFN Exposed Pad | Surface Mount | 1 | 14 V | 14 V | 85 °C | -40 °C | 2.2 A | Step-Up | ||||||||||||||||
 Texas Instruments | Boost | 1.24 V | 0.8 V | Adjustable | 2 MHz | 300 kHz | Positive | 8-MSOP 8-TSSOP | Surface Mount | 1 | 14 V | 14 V | 85 °C | -40 °C | 2.2 A | Step-Up | 0.118 in | 3 mm | |||||||||||||||
Texas Instruments | Boost | 1.24 V | 0.8 V | Adjustable | 2 MHz | 300 kHz | Positive | 8-MSOP 8-TSSOP | Surface Mount | 1 | 14 V | 14 V | 85 °C | -40 °C | 2.2 A | Step-Up | 0.118 in | 3 mm | |||||||||||||||
Texas Instruments | Boost | 1.24 V | 0.8 V | 14-WSON (4x4) | Adjustable | 2 MHz | 300 kHz | Positive | 14-WFDFN Exposed Pad | Surface Mount | 1 | 14 V | 14 V | 85 °C | -40 °C | 2.2 A | Step-Up | ||||||||||||||||
 Texas Instruments | 2 MHz | 2 A | 5 V | 2.3 V | 5.5 V | DC/DC Step Up | LM2623 | Non-Isolated | 1 | Fully Populated | Boost | Board(s) | |||||||||||||||||||||
Texas Instruments | Boost | 1.24 V | 0.8 V | Adjustable | 2 MHz | 300 kHz | Positive | 8-MSOP 8-TSSOP | Surface Mount | 1 | 14 V | 14 V | 85 °C | -40 °C | 2.2 A | Step-Up | 0.118 in | 3 mm | |||||||||||||||
Texas Instruments | Boost | 1.24 V | 0.8 V | 14-WSON (4x4) | Adjustable | 2 MHz | 300 kHz | Positive | 14-WFDFN Exposed Pad | Surface Mount | 1 | 14 V | 14 V | 85 °C | -40 °C | 2.2 A | Step-Up | ||||||||||||||||
 Texas Instruments | Boost | 1.24 V | 0.8 V | 14-WSON (4x4) | Adjustable | 2 MHz | 300 kHz | Positive | 14-WFDFN Exposed Pad | Surface Mount | 1 | 14 V | 14 V | 85 °C | -40 °C | 2.2 A | Step-Up | ||||||||||||||||
 Texas Instruments | Boost | 1.24 V | 0.8 V | Adjustable | 2 MHz | 300 kHz | Positive | 8-MSOP 8-TSSOP | Surface Mount | 1 | 14 V | 14 V | 85 °C | -40 °C | 2.2 A | Step-Up | 0.118 in | 3 mm | |||||||||||||||
 Texas Instruments | Boost | 1.24 V | 0.9 V | 14-WSON (4x4) | Adjustable | Positive | 14-WFDFN Exposed Pad | Surface Mount | 1 | 14 V | 14 V | 125 ¯C | -40 °C | 2.85 A | Step-Up | 2 MHz | Automotive | AEC-Q100 |
Pricing
Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly
| Distributor | Package | Quantity | $ | |
|---|---|---|---|---|
Description
General part information
LM2623-Q1 Series
The LM2623-Q1 is a high-efficiency, general-purpose, step-up DC-DC switching regulator for automotive systems. The device accepts an input voltage between 0.9 V and 14 V and converts it into a regulated output voltage between 1.24 V and 14 V.
In order to adapt to a number of applications, the LM2623-Q1 allows the designer to program the output voltage, the operating frequency (300 kHz to 2 MHz), and duty cycle (17% to 90%) to optimize performance. The selected values can be fixed or can vary with input voltage or input-to-output voltage ratio. The LM2623-Q1 uses a very simple, on/off regulation mode to produce good efficiency and stable operation over a wide operating range. The device normally regulates by skipping switching cycles when it reaches the regulation limit (pulse frequency modulation (PFM)).
Refer toNon-Linear EffectandChoosing the Correct C3 Capacitorto resolve any design challenges before board design is finalized.
Documents
Technical documentation and resources
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