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LTC3850EUF#PBF
+StücklisteIC REG CTRLR BUCK 28QFN
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HerstellerAnalog Devices Inc.
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Herstellerteil #LTC3850EUF#PBF
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Datenblatt LTC3850EUF#PBF DataSheet
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Auf Lager7661
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Spezifikationen
| Attribut | Wert |
| Part Status | Active |
| Output Type | Transistor Driver |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Number of Outputs | 2 |
| Output Phases | 2 |
| Voltage - Supply (Vcc/Vdd) | 4V ~ 24V |
| Frequency - Switching | 250kHz ~ 780kHz |
| Duty Cycle (Max) | 97.2% |
| Synchronous Rectifier | Yes |
| Clock Sync | No |
| Control Features | Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
| Package / Case | 28-WFQFN Exposed Pad |
| Supplier Device Package | 28-QFN (4x4) |
| Base Product Number | LTC3850 |
Übersicht
Description
Key features of the LTC3850 include the ability to operate in a current mode, which enhances transient response and provides overcurrent protection. It supports adjustable output voltage through external resistors and incorporates built-in compensation to simplify design. The device also supports synchronization with an external clock, enabling multiple converters to operate in a coordinated manner.
Additionally, the LTC3850 integrates features like soft-start, adjustable switching frequency, and a power-good output, enhancing the overall performance and reliability of the power supply design. Its compact size and efficiency make it suitable for applications where space and power conservation are critical. Overall, the LTC3850EUF#PBF is a versatile solution for advanced power management.
Equivalent
Features
- Wide Input Voltage Range: Operates from 4.5V to 60V, suitable for various applications.
- Dual Output Capability: Can control two independent outputs, enabling versatile power solutions.
- Current Mode Control: Provides fast transient response and simplifies loop compensation.
- Integrated Drivers: Includes high-side and low-side MOSFET drivers, reducing component count.
- Adjustable Output Voltage: Output voltage can be set from 0.8V to 60V, with a ±1% accuracy.
- High Efficiency: Achieves efficiencies up to 95%, enhancing thermal performance and reducing power loss.
- Power Good Feature: Monitors the output voltage and indicates if it is within the desired range.
- Programmable Switching Frequency: Supports frequencies from 250kHz to 1MHz, allowing optimization for size and efficiency.
- Soft-Start Function: Reduces inrush current and ensures a smooth startup.
These features make the LTC3850EUF#PBF suitable for a wide range of applications, including distributed power, industrial, and automotive systems.
Pinout
The key functions of the LTC3850 include:
1. Dual Output Control: It can drive two synchronous step-down converters.
2. Voltage Regulation: It maintains output voltage accuracy with ±1% line and load regulation.
3. Current Sharing: Supports current sharing between the two outputs for better efficiency and thermal performance.
4. Phase-Locked Loop (PLL): Offers adjustable frequency operation and phase interleaving.
5. Power Good Indicator: It includes signals to indicate when outputs are within regulation limits.
6. Adjustable Soft-Start: Allows controlled start-up to minimize inrush current.
This versatile device is suitable for various applications, including server, telecommunications, and automotive power supplies.
Manufacturer
Analog Devices primarily serves various industries, including telecommunications, automotive, industrial automation, healthcare, and consumer electronics. The LTC3850EUF#PBF specifically is a dual-output synchronous step-down voltage regulator controller designed for applications requiring efficient power management. The company's products are known for their precision, performance, and reliability, making them essential in many electronic systems. ADI focuses on innovation in signal processing and power management solutions, enabling advanced technologies in diverse applications.
Application
1. Telecommunications: For powering high-performance networking equipment.
2. Industrial Automation: In process control and automation systems.
3. Data Centers: Efficient power supply for servers and storage systems.
4. Consumer Electronics: Powering high-performance devices like laptops and tablets.
5. Automotive: Used in advanced driver-assistance systems (ADAS) and infotainment systems.
Its ability to handle high input voltages and provide adjustable output makes it suitable for a variety of demanding applications.