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LM2623AMM/NOPB
Functioning as a step-up DC-DC converter
LM2623AMM/NOPB
Functioning as a step-up DC-DC converter
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Manufacturer Part # : LM2623AMM/NOPB
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Package/Case: VSSOP-8
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Brand: Texas Instruments
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Product Categories : Voltage Regulators - DC DC Switching Regulators
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Service & Packaging
Service & Packaging
About After Sales Service
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Initiate the application within 90 days from the shipment date.
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LM2623AMM/NOPB DataSheet
Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!
Details
Housed in a compact MSOP-8 package, this converter is well-suited for designs where space is limited. It also includes overcurrent protection and thermal shutdown features, enhancing the device's reliability under abnormal operating conditions. Additionally, the LM2623AMM/NOPB offers a soft-start function to reduce inrush current during startup, and a shutdown mode that minimizes quiescent current to less than 1uA when not in use
Key Features
- Output voltage adjustable up to 18V
- Low output ripple and noise
- Fault detection circuitry
Application
- Miniature power modules
- Customized energy solutions
- Intelligent power controls
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
| Topology | Boost | Vin (min) (V) | 0.8 |
| Vin (max) (V) | 14 | Vout (min) (V) | 1.24 |
| Vout (max) (V) | 14 | Switch current limit (typ) (A) | 2.85 |
| Type | Converter | Regulated outputs (#) | 1 |
| Switching frequency (min) (kHz) | 300 | Switching frequency (max) (kHz) | 2000 |
| Iq (typ) (mA) | 0.08 | Features | Enable, Nonsynchronous rectification |
| Duty cycle (max) (%) | 90 | Operating temperature range (°C) | -40 to 85 |
| Rating | Catalog |
FAQs
What is LM2623AMM/NOPB?
The LM2623AMM/NOPB is a step-up DC-DC converter from Texas Instruments. It is designed to efficiently boost low input voltages to higher output voltages, making it suitable for battery-powered devices, portable systems, and energy harvesting applications.
How Does LM2623AMM/NOPB Work?
The LM2623AMM/NOPB works by regulating and increasing input voltages to a desired higher output voltage level. It utilizes a step-up switching regulator topology to achieve high efficiency conversion. The converter features a pulse-width modulation control scheme for precise voltage regulation and maximized power delivery.
How Many Pins does LM2623AMM/NOPB have and What are the Functions of the Pinout Configuration?
The LM2623AMM/NOPB is housed in an 8-pin VSSOP (Very Small Outline Package) package. The pinout configuration includes:
- SW: Switch pin for inductor connection.
- VIN: Input voltage pin.
- FB: Feedback pin for voltage regulation.
- GND: Ground pin.
- VOUT: Output voltage pin.
- EN: Enable pin for control.
- COMP: Compensation pin for stability.
- SS/TR: Soft-start/tracking pin for controlled start-up.
What are the Pros and Cons of LM2623AMM/NOPB?
Pros:
- Efficiency: Provides high efficiency power conversion for longer battery life.
- Small Package: Compact 8-pin VSSOP package for space-constrained designs.
- Wide Input Voltage Range: Supports a wide input voltage range for versatility.
- Integrated Features: Includes built-in soft-start, compensation, and enable control for ease of use.
- Low Quiescent Current: Operates with low quiescent current for power-saving applications.
Cons:
- Complexity: Requires attention to component selection and layout for optimal performance.
- External Components: May need additional external components like inductors and capacitors for operation.
- Switching Noise: Switching regulators can introduce noise that needs to be managed in sensitive applications.
Are There Any Equivalents/Alternatives to LM2623AMM/NOPB for Recommendation?
- The LM2621 from Texas Instruments is a similar step-up DC-DC converter with a slightly different feature set.
- Alternatives to the LM2623AMM/NOPB include the MAX757 from Maxim Integrated and the LT1308 from Analog Devices.
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