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IC REG BUCK ADJUSTABLE 3A 8SOIC
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HerstellerMonolithic Power Systems Inc.
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Herstellerteil #MP2365DN-LF-Z
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Paket SOIC-8
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Auf Lager2804
365 Tage Qualitätsgarantie
7*24 Stunden-Servicegarantie
90-Tage Kundendienstgarantie
Originalproduktgarantie
Spezifikationen
| Attribut | Wert |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Not For New Designs |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Output Type | Adjustable |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 4.75V |
| Voltage - Input (Max) | 28V |
| Voltage - Output (Min/Fixed) | 0.92V |
| Voltage - Output (Max) | 21V |
| Current - Output | 3A |
| Frequency - Switching | 1.4MHz |
| Synchronous Rectifier | No |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
Übersicht
Description
Key characteristics include a 340kHz fixed switching frequency, which allows for small external components and a compact PCB design. The converter integrates both high-side and low-side power MOSFETs, maximizing efficiency and reducing the number of external components needed. It also offers cycle-by-cycle current limiting, thermal shutdown, and under-voltage lockout to ensure reliability and protection under various operating conditions.
The MP2365DN-LF-Z operates over a wide input voltage range and provides a regulated output voltage that can be adjusted via an external resistor divider. Its compact package and high efficiency make it ideal for space-constrained applications where power density is critical.
Equivalent
1. LM2596 - by Texas Instruments, a 3-A step-down voltage regulator.
2. L7805 - by STMicroelectronics, a series of voltage regulators with fixed output.
3. AP1509 - by Diodes Incorporated, a 1509 series PWM step-down converter.
4. LM2576 - by Texas Instruments, a 3-A step-down voltage regulator.
Please verify specifications and pin compatibility to ensure suitability for your application.
Features
Key features include a high switching frequency of 1.4MHz, which allows for the use of smaller external components and a reduced overall footprint. The MP2365DN-LF-Z also incorporates internal compensation, simplifying the design process and enhancing stability. Its built-in soft-start function minimizes inrush current, protecting the device and the circuit during startup.
The converter offers a low dropout operation, ensuring efficiency even at lower input voltages. It also includes over-current protection, thermal shutdown, and output short-circuit protection, providing robust safety features for enhanced reliability.
The MP2365DN-LF-Z is packaged in a compact TSOT23-6 form factor, making it suitable for space-constrained applications. Overall, it is a versatile and efficient solution for DC-DC conversion needs.
Pinout
1. SW (Switch Node): Connects to the inductor to provide the switching action.
2. IN (Input Voltage): Connects to the input voltage supply.
3. BOOT (Bootstrap): Connects to a bootstrap capacitor to drive the high-side MOSFET gate.
4. GND (Ground): Ground reference for the device.
5. FB (Feedback): Connects to the output voltage divider to regulate the output voltage.
6. EN (Enable): Controls the enable/disable function of the converter.
7. COMP (Compensation): Connects to an external RC network to stabilize the control loop.
8. NC (No Connect): Not internally connected but often recommended to connect to ground for thermal performance.
The device is used to efficiently step down voltages in various electronic applications by adjusting its output based on the feedback provided.