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IC REG BUCK 3.3V 2.5A 22VQFN
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HerstellerTexas Instruments
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Herstellerteil #LM53625NQRNLRQ1
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Paket VQFN-HR-22
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Auf Lager2109
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Spezifikationen
| Attribut | Wert |
| Package / Case | Tape & Reel (TR) |
| Series | Automotive, AEC-Q100 |
| Part Status | Active |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Output Type | Fixed |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 3.9V |
| Voltage - Input (Max) | 36V |
| Voltage - Output (Min/Fixed) | 3.3V |
| Current - Output | 2.5A |
| Frequency - Switching | 2.1MHz |
| Synchronous Rectifier | Yes |
| Operating Temperature | -40°C ~ 125°C (TA) |
| Mounting Type | Surface Mount, Wettable Flank |
Übersicht
Description
Key features include low quiescent current for improved efficiency, especially in light-load conditions, and a wide operating temperature range suitable for harsh automotive environments. It also offers protection features like undervoltage lockout, thermal shutdown, and short circuit protection, ensuring reliable operation.
The LM53625NQRNLRQ1's compact packaging and minimal external components make it easy to integrate into automotive systems, reducing design complexity and space requirements. Its compliance with automotive standards underscores its suitability for use in vehicles, providing a robust and efficient solution for automotive power management challenges.
Equivalent
1. MP2459 by Monolithic Power Systems - A synchronous step-down converter.
2. LT8610 by Analog Devices - A high-efficiency step-down regulator.
3. TPS54360 by Texas Instruments - Similar family with different specifications.
4. LM26001 by National Semiconductor - A buck regulator with similar characteristics.
Always compare specifications to ensure compatibility with your requirements.
Features
1. Input Voltage Range: Operates over a wide input voltage range of 3.5V to 36V, making it suitable for automotive battery systems.
2. Output Current: Can deliver up to 2.5A of continuous output current.
3. Efficiency: High efficiency, typically up to 90%, due to its synchronous rectification feature.
4. Switching Frequency: Operates at a fixed frequency of 2.1 MHz, allowing for smaller external components and reduced electromagnetic interference (EMI).
5. Low Quiescent Current: Features a low quiescent current for improved efficiency during light-load conditions.
6. Protection Features: Includes overcurrent protection, thermal shutdown, and undervoltage lockout (UVLO) for enhanced reliability.
7. AEC-Q100 Qualified: Meets the automotive qualification standard for temperature grade 1, ensuring robust performance in harsh environments.
8. Compact Package: Available in a thermally enhanced 12-pin WSON package, facilitating compact designs.
These characteristics make the LM53625NQRNLRQ1 ideal for power supply designs in automotive and other demanding applications.
Pinout
1. VIN: Input voltage supply.
2. EN: Enable pin to turn the device on or off.
3. FB: Feedback pin for output voltage regulation.
4. SW: Switch node output, connected to the inductor.
5. GND: Ground connection.
6. VOUT: Output voltage.
7. VCC: Internal supply voltage.
8. SYNC: Synchronization input for external clock.
9. PGOOD: Power good indicator pin.
10. BOOT: Bootstrap capacitor connection for driving the high-side FET.
11. RT: Resistor timing pin for setting the switching frequency.
12. SS/TRK: Soft start or tracking pin for output voltage control.
These functions support efficient power conversion with features such as low quiescent current, high efficiency across load ranges, and robust protection features, making it suitable for automotive environments.