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24 Terminals 4V~140V 24-Pin LTC7801 DC to DC converter ICSWITCHING CONTROLLER 1 Outputs 50kHz~900kHz Transistor Driver
- Manufacturer: Linear Technology / Analog Devices
- NO: 471-LTC7801HFE#PBF
- Package: 24-TSSOP (0.173, 4.40mm Width) Exposed Pad
- Datasheet:
- Stock: 6213
- Description: 24 Terminals 4V~140V 24-Pin LTC7801 DC to DC converter ICSWITCHING CONTROLLER 1 Outputs 50kHz~900kHz Transistor Driver (Kg)
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| Parameters | |
|---|---|
| Factory Lead Time | 8 Weeks |
| Lifecycle Status | PRODUCTION (Last Updated: 1 month ago) |
| Packaging | Tube |
| Published | 2013 |
| Part Status | Active |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| Number of Terminations | 24 |
| Length | 7.8mm |
| RoHS Status | RoHS Compliant |
| Number of Pins | 24 |
| Package / Case | 24-TSSOP (0.173, 4.40mm Width) Exposed Pad |
| Width | 4.4mm |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C~150°C TJ |
| Technology | CMOS |
| JESD-609 Code | e3 |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Position | DUAL |
| Terminal Form | GULL WING |
| Peak Reflow Temperature (Cel) | 260 |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Base Part Number | LTC7801 |
| Output Type | Transistor Driver |
| Surface Mount | YES |
| Terminal Pitch | 0.65mm |
| Number of Outputs | 1 |
| Input Voltage-Nom | 12V |
| Analog IC - Other Type | SWITCHING CONTROLLER |
| Output Voltage-Max | 60V |
| Output Configuration | Positive |
| Control Mode | CURRENT-MODE |
| Input Voltage (Min) | 4V |
| Function | Step-Down |
| Control Technique | PULSE WIDTH MODULATION |
| Topology | Buck |
| Voltage - Supply (Vcc/Vdd) | 4V~140V |
| Control Features | Current Limit, Power Good, Soft Start, Tracking |
| Frequency - Switching | 50kHz~900kHz |
| Synchronous Rectifier | No |
| Output Voltage-Min | 0.8V |
| Duty Cycle (Max) | 100% |
Product Description: LTC7801HFE#PBF
The LTC7801HFE#PBF is a high-performance synchronous step-down DC-DC controller designed and manufactured by Linear Technology Corporation (now part of Analog Devices). This integrated circuit (IC) is specifically designed for regulating high-efficiency and low-quiescent current output voltage from a wide input voltage range.
Features:
Wide Input Voltage Range: The LTC7801HFE#PBF operates over a broad input voltage range, making it suitable for various applications with different power supply sources.
High Efficiency: The IC's synchronous step-down architecture ensures high efficiency by minimizing power dissipation, making it suitable for power-conscious applications.
Low Quiescent Current: With its low quiescent current, the LTC7801HFE#PBF helps conserve energy and extend battery life in battery-powered devices.
Adjustable Output Voltage: The IC allows for flexible output voltage selection through external resistors, providing design versatility.
Accurate Regulation: It offers precise voltage regulation, ensuring a stable and reliable output voltage even during load variations and input voltage changes.
Soft-Start and Current Limit: The LTC7801HFE#PBF features soft-start and current limit functions, protecting the system from excessive inrush currents and ensuring safe operation.
Synchronizable Frequency: It can be synchronized to an external clock signal, allowing for noise reduction and better control in multi-phase configurations.
Frequency Foldback and Output Tracking: The IC includes frequency foldback and output tracking capabilities to improve efficiency under light load conditions.
Applications:
The LTC7801HFE#PBF is well-suited for various applications, including:
Power Management: It is commonly used in power management applications, such as voltage regulation for microprocessors, FPGAs, and other integrated circuits.
Telecom and Networking: The IC is employed in telecom and networking equipment for efficient power conversion and voltage regulation.
Industrial and Automotive: It finds use in industrial and automotive applications, including motor control, LED lighting, and automotive power systems.
Server and Data Centers: The LTC7801HFE#PBF is utilized in servers and data centers for efficient power distribution and voltage regulation.
Portable Devices: It is suitable for battery-powered portable devices, such as tablets, laptops, and handheld instruments, due to its low quiescent current and high efficiency.
Point-of-Load (POL) Converters: The IC is commonly used in POL converters to provide regulated voltage to specific components on a circuit board.
In summary, the LTC7801HFE#PBF is a high-performance synchronous step-down DC-DC controller featuring a wide input voltage range, high efficiency, low quiescent current, and accurate voltage regulation. Its versatile features make it ideal for various applications in power management, telecommunications, networking, industrial, automotive, and portable devices. With its protective functions and adjustable output voltage, the LTC7801HFE#PBF offers reliable and efficient power conversion for a wide range of electronic systems and devices.
