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MAX751CPA+

Part No MAX751CPA+
Manufacturer Maxim Integrated
Catalog PMIC - Voltage Regulators - DC DC Switching Regulators
Description Conv DC-DC 1.2V to 5.5V Step Up Single-Out 5V 0.2A 8-Pin PDIP N / IC REG BOOST 5V 1.5A 8DIP
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Categories Integrated Circuits (ICs)
Manufacturer Maxim Integrated
Packaging Tube
Function Step-Up
Output Configuration Positive
Topology Boost
Output Type Fixed
Number of Outputs 1
Input Voltage MIN 1.2V
Voltage Input MAX 5.25V
Output Voltage 5V
Output Current 1.5A (Switch)
Frequency - Switching 170kHz
Synchronous Rectifier No
Operating Temperature Range 0°C ~ 70°C (TA)
Mounting Style Through Hole
Package 8-DIP (0.300", 7.62mm)
Manufacturer Package 8-PDIP
Win Source Part Number 787006-MAX751CPA+
Popularity Medium
Supply and Demand Status Limited
Family Name MAX751
Introduction Date November 01, 1996
ECCN EAR99
Halogen Free Compliant
Estimated EOL Date 2022
Ultra Librarian 3D Model Ultra Librarian MAX751CPA+ CAD Model

Description

Maxim Integrated's MAX751CPA+ Step-Up DC-DC Converter

The MAX751CPA+ from Maxim Integrated is a high-efficiency, voltage-mode, step-up DC-DC converter designed to provide a reliable power solution for small, battery-powered devices. This compact and versatile component is ideal for applications requiring a fixed 5V output from a lower voltage source.

With its wide input voltage range of 0.7V to 11V, the MAX751CPA+ is capable of operating from a single cell to multiple battery configurations, making it suitable for portable electronics, such as handheld devices, medical equipment, and other low-power gadgets. The device's ability to start up with a low input voltage is particularly beneficial for products that draw power from single-cell batteries that experience voltage drops over time.

The MAX751CPA+ boasts a high switching frequency of up to 125kHz, which allows the use of small, low-cost inductors and capacitors, thereby reducing the overall footprint and BOM cost on the PCB. Its internal 1.3A current-limited switch further enhances system reliability by protecting against overcurrent conditions.

Efficiency is a key feature of the MAX751CPA+, as it incorporates a pulse-frequency modulation (PFM) control scheme that optimizes efficiency at light loads. This is particularly important for battery-powered devices where extending battery life is critical. The device also includes a shutdown mode, reducing the quiescent current to a mere 20μA, which further conserves power when the device is not in active use.

For ease of integration and use, the MAX751CPA+ is available in the 8-pin DIP package, which is convenient for prototyping and production. The device also features thermal shutdown and under-voltage lockout, providing additional layers of protection for sensitive electronic components.

Overall, the MAX751CPA+ step-up DC-DC converter is a testament to Maxim Integrated's commitment to providing robust and efficient power solutions. Its versatility, combined with high performance, makes it an excellent choice for designers looking to enhance their products with a reliable power management component.

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