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LM2623AMM
+BOMIC REG BOOST ADJ 2.2A 8VSSOP
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ManufacturerTexas Instruments
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Mfr. Part #LM2623AMM
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In Stock7286
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Specifications
| Attribute | Value |
| Part Status | Obsolete |
| Function | Step-Up |
| Output Configuration | Positive |
| Topology | Boost |
| Output Type | Adjustable |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 0.8V |
| Voltage - Input (Max) | 14V |
| Voltage - Output (Min / Fixed) | 1.24V |
| Voltage - Output (Max) | 14V |
| Current - Output | 2.2A (Switch) |
| Frequency - Switching | 300kHz ~ 2MHz |
| Synchronous Rectifier | No |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
| Package / Case | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) |
| Supplier Device Package | 8-VSSOP |
| Base Product Number | LM2623 |
Overview
Description
The LM2623AMM is a high-performance step-up (boost) voltage regulator designed by Texas Instruments. It is primarily used to drive applications requiring higher output voltages from lower input supply levels, such as powering LEDs, sensors, or other components in portable devices.
Key features of the LM2623AMM include a wide input voltage range, typically from 2.5V to 12V, with an adjustable output voltage that can reach up to 34V. It incorporates a low on-resistance internal switch, allowing for efficient operation with minimal power loss. The device operates at a fixed frequency, which helps in reducing output voltage ripple and improving stability.
The LM2623AMM also includes features like overcurrent protection, thermal shutdown, and soft-start capabilities, enhancing its reliability in various applications. Its small footprint and integrated components make it suitable for space-constrained designs. Overall, the LM2623AMM is ideal for battery-powered systems where efficiency and performance are critical.
Key features of the LM2623AMM include a wide input voltage range, typically from 2.5V to 12V, with an adjustable output voltage that can reach up to 34V. It incorporates a low on-resistance internal switch, allowing for efficient operation with minimal power loss. The device operates at a fixed frequency, which helps in reducing output voltage ripple and improving stability.
The LM2623AMM also includes features like overcurrent protection, thermal shutdown, and soft-start capabilities, enhancing its reliability in various applications. Its small footprint and integrated components make it suitable for space-constrained designs. Overall, the LM2623AMM is ideal for battery-powered systems where efficiency and performance are critical.
Equivalent
The LM2623AMM is a step-up (boost) DC-DC converter. Equivalent products include the TPS61040 from Texas Instruments, the LTC6102 from Analog Devices, and the MAX685 from Maxim Integrated. Other comparable options might be the MICROCHIP MCP1640, or the NCP1402 from ON Semiconductor. Always verify specifications like input/output voltage, current ratings, and efficiency for a suitable replacement.
Features
The LM2623AMM is a versatile DC-DC step-down (buck) voltage regulator with several key features:
1. Input Voltage Range: Accepts 4.5V to 30V input, making it suitable for various power supply applications.
2. Output Voltage: Adjustable output voltage down to 1.25V, allowing flexibility for different circuit requirements.
3. Current Capability: Delivers up to 1.5A of continuous load current, providing sufficient power for many devices.
4. High Efficiency: Features up to 90% efficiency, reducing heat generation and enhancing overall performance.
5. Switching Frequency: Operates at a nominal frequency of 100 kHz, which helps minimize the size of external components.
6. Protection Features: Includes over-current protection and thermal shutdown to enhance reliability and prevent damage.
7. Compact Package: Available in a surface-mount package, making it suitable for space-constrained applications.
These features make the LM2623AMM ideal for powering various electronic devices, including portable gadgets and automotive applications.
1. Input Voltage Range: Accepts 4.5V to 30V input, making it suitable for various power supply applications.
2. Output Voltage: Adjustable output voltage down to 1.25V, allowing flexibility for different circuit requirements.
3. Current Capability: Delivers up to 1.5A of continuous load current, providing sufficient power for many devices.
4. High Efficiency: Features up to 90% efficiency, reducing heat generation and enhancing overall performance.
5. Switching Frequency: Operates at a nominal frequency of 100 kHz, which helps minimize the size of external components.
6. Protection Features: Includes over-current protection and thermal shutdown to enhance reliability and prevent damage.
7. Compact Package: Available in a surface-mount package, making it suitable for space-constrained applications.
These features make the LM2623AMM ideal for powering various electronic devices, including portable gadgets and automotive applications.
Pinout
The LM2623AMM is a step-up (boost) switching regulator with a pin count of 8. Its primary functions include:
1. VIN (Pin 1): Input voltage supply.
2. GND (Pin 2): Ground reference.
3. SW (Pin 3): Switch node, connects to the inductor and output capacitor.
4. COMP (Pin 4): Compensation network for stability.
5. FB (Pin 5): Feedback voltage input for output voltage regulation.
6. VOUT (Pin 6): Regulated output voltage.
7. EN (Pin 7): Enable pin to turn the device on or off.
8. RAMP (Pin 8): Used for slope compensation and can be connected to a capacitor for frequency adjustment.
The LM2623AMM is designed for applications requiring high efficiency in converting low voltage to higher output voltages, making it suitable for battery-powered devices.
1. VIN (Pin 1): Input voltage supply.
2. GND (Pin 2): Ground reference.
3. SW (Pin 3): Switch node, connects to the inductor and output capacitor.
4. COMP (Pin 4): Compensation network for stability.
5. FB (Pin 5): Feedback voltage input for output voltage regulation.
6. VOUT (Pin 6): Regulated output voltage.
7. EN (Pin 7): Enable pin to turn the device on or off.
8. RAMP (Pin 8): Used for slope compensation and can be connected to a capacitor for frequency adjustment.
The LM2623AMM is designed for applications requiring high efficiency in converting low voltage to higher output voltages, making it suitable for battery-powered devices.
Manufacturer
The LM2623AMM is manufactured by Texas Instruments (TI), a leading semiconductor company. Founded in 1930, Texas Instruments is well-known for designing and manufacturing a wide range of analog and embedded processing products. The company serves various sectors, including automotive, industrial, communications, and consumer electronics. TI is recognized for its innovation in analog technology and digital signal processing, providing solutions that enhance the performance and energy efficiency of electronic devices. The LM2623AMM specifically is a high-efficiency step-down (buck) voltage regulator, which is commonly used in power management applications.
Application
The LM2623AMM is a step-up (boost) voltage regulator commonly used in applications requiring a stable output voltage from a lower input voltage. Key application areas include battery-powered devices, portable electronics, LED drivers, and powering RF modules. It is also utilized in applications that demand high efficiency and compact design, such as in smartphones, tablets, and handheld instruments. Additionally, it can be used in sensor power supplies and other low-voltage applications needing higher voltage levels for operation.
Package
The LM2623AMM is packaged in a 20-pin TSSOP (Thin Shrink Small Outline Package).
