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LT8614IUDC#PBF
IC REG BUCK ADJ 4A 20QFN
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- Mfr。パート #LT8614IUDC#PBF
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- データシート LT8614IUDC#PBF DataSheet
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仕様
| Part Status | Active |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Output Type | Adjustable |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 3.4V |
| Voltage - Input (Max) | 42V |
| Voltage - Output (Min/Fixed) | 3.3V |
| Voltage - Output (Max) | 30V |
| Current - Output | 4A |
| Frequency - Switching | 200kHz ~ 3MHz |
| Synchronous Rectifier | Yes |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount |
| Package / Case | 20-WFQFN, 18 Leads, Exposed Pad |
| Supplier Device Package | 20-QFN (3x4) |
| Base Product Number | LT8614 |
概要
Description
The LT8614IUDC#PBF is a high-performance, low quiescent current, step-down (buck) switching regulator from Analog Devices, specifically designed for automotive and industrial applications. It operates with a wide input voltage range, typically from 3.4V to 60V, making it suitable for various power supply designs. The device features a high efficiency of up to 95% and can deliver output currents of up to 2A, depending on thermal conditions.
Key features include an adjustable output voltage, integrated high-side and low-side switches, and a compact footprint suitable for space-constrained applications. The LT8614 also offers protection features like short-circuit and thermal shutdown, ensuring reliable operation. Its switching frequency can be adjusted, allowing for optimization of size and efficiency.
Overall, the LT8614IUDC#PBF is a versatile, high-efficiency solution for converting higher voltages to lower levels in demanding environments.
Key features include an adjustable output voltage, integrated high-side and low-side switches, and a compact footprint suitable for space-constrained applications. The LT8614 also offers protection features like short-circuit and thermal shutdown, ensuring reliable operation. Its switching frequency can be adjusted, allowing for optimization of size and efficiency.
Overall, the LT8614IUDC#PBF is a versatile, high-efficiency solution for converting higher voltages to lower levels in demanding environments.
Features
The LT8614IUDC#PBF is a high-speed, low-power operational amplifier from Analog Devices. Key features include:
1. High Speed: It operates with a slew rate of 100 V/µs and a bandwidth of 50 MHz, making it suitable for fast applications.
2. Low Noise: It offers a low noise density of 4.5 nV/√Hz, ideal for precision analog signal processing.
3. Rail-to-Rail Output: The output swing is rail-to-rail, enabling maximum output voltage range and efficient use of the supply voltage.
4. Supply Voltage: It operates on a wide supply voltage range from 2.5 V to 15 V, providing flexibility in design.
5. Low Power Consumption: With a quiescent current of only 1.5 mA, it is energy-efficient for battery-powered applications.
6. Temperature Range: Designed for operation across a broad temperature range of -40°C to +125°C, ensuring reliability in various environments.
7. Package: Available in a compact 8-lead MSOP package, facilitating space-constrained designs.
Overall, the LT8614IUDC#PBF is designed for high-performance applications requiring speed, precision, and low power.
1. High Speed: It operates with a slew rate of 100 V/µs and a bandwidth of 50 MHz, making it suitable for fast applications.
2. Low Noise: It offers a low noise density of 4.5 nV/√Hz, ideal for precision analog signal processing.
3. Rail-to-Rail Output: The output swing is rail-to-rail, enabling maximum output voltage range and efficient use of the supply voltage.
4. Supply Voltage: It operates on a wide supply voltage range from 2.5 V to 15 V, providing flexibility in design.
5. Low Power Consumption: With a quiescent current of only 1.5 mA, it is energy-efficient for battery-powered applications.
6. Temperature Range: Designed for operation across a broad temperature range of -40°C to +125°C, ensuring reliability in various environments.
7. Package: Available in a compact 8-lead MSOP package, facilitating space-constrained designs.
Overall, the LT8614IUDC#PBF is designed for high-performance applications requiring speed, precision, and low power.
Package
The LT8614IUDC#PBF comes in a 20-lead thermally enhanced TSSOP package (Thin Shrink Small Outline Package), which is designed for efficient heat dissipation and compact circuit layouts.
Pinout
The LT8614IUDC#PBF is a high-performance, synchronous step-down regulator from Analog Devices. It comes in a 20-pin TSSOP package.
Pin Count: 20 pins.
Key Functions of Selected Pins:
1. VIN (Pin 1): Input voltage supply.
2. SW (Pin 3, 5): Switching node for inductor connection.
3. GND (Pin 2, 4, 12): Ground reference for the device.
4. VOUT (Pin 11): Output voltage.
5. COMP (Pin 9): Compensation node for loop stability.
6. RT (Pin 10): Resistor to set switching frequency.
7. CSN/ CSP (Pins 7, 8): Current sense inputs for overcurrent protection.
8. SYNC (Pin 6): Synchronization input for external clock.
9. EN (Pin 13): Enable pin to turn the device on/off.
10. SS (Pin 14): Soft-start for controlled power-up.
This pin configuration allows the LT8614 to efficiently regulate output voltage with various features for enhanced performance and protection.
Pin Count: 20 pins.
Key Functions of Selected Pins:
1. VIN (Pin 1): Input voltage supply.
2. SW (Pin 3, 5): Switching node for inductor connection.
3. GND (Pin 2, 4, 12): Ground reference for the device.
4. VOUT (Pin 11): Output voltage.
5. COMP (Pin 9): Compensation node for loop stability.
6. RT (Pin 10): Resistor to set switching frequency.
7. CSN/ CSP (Pins 7, 8): Current sense inputs for overcurrent protection.
8. SYNC (Pin 6): Synchronization input for external clock.
9. EN (Pin 13): Enable pin to turn the device on/off.
10. SS (Pin 14): Soft-start for controlled power-up.
This pin configuration allows the LT8614 to efficiently regulate output voltage with various features for enhanced performance and protection.
Manufacturer
The LT8614IUDC#PBF is manufactured by Analog Devices, Inc., a leading global company specializing in high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Analog Devices is known for its focus on innovative solutions that enhance electronic systems across various sectors, including communications, automotive, industrial, and consumer electronics. The company develops a wide range of products, including amplifiers, converters, sensors, and power management solutions, emphasizing precision and reliability in their designs.
Application
The LT8614IUDC#PBF is a high-efficiency, step-down (buck) switching regulator designed for applications requiring low output voltage and high efficiency. Common application areas include battery-powered devices, portable electronics, industrial automation, telecommunications, and automotive systems. It is particularly suited for powering microcontrollers, FPGAs, and other digital circuits, where space and thermal management are critical.
Equivalent
The LT8614IUDC#PBF is a high-efficiency step-down regulator from Analog Devices. Equivalent products include the TPS563202 from Texas Instruments, the LM2596-ADJ from Texas Instruments, and the MIC34063 from Microchip. Always check specific parameters like output voltage, current rating, and package type to ensure compatibility for your application.
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