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LTC3729EUH#TRPBF
+StücklisteIC REG CTRLR BUCK 32QFN
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HerstellerAnalog Devices Inc.
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Herstellerteil #LTC3729EUH#TRPBF
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Datenblatt LTC3729EUH#TRPBF DataSheet
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Auf Lager9621
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Spezifikationen
| Attribut | Wert |
| Series | PolyPhase® |
| 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 ~ 36V |
| Frequency - Switching | 260kHz ~ 550kHz |
| Duty Cycle (Max) | 99.5% |
| Synchronous Rectifier | Yes |
| Clock Sync | No |
| Control Features | Current Limit, Enable, Phase Control, Power Good, Soft Start |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
| Package / Case | 32-WFQFN Exposed Pad |
| Supplier Device Package | 32-QFN (5x5) |
| Base Product Number | LTC3729 |
Übersicht
Description
Key specifications include a wide input voltage range (typically 4.5V to 60V) and adjustable output voltages configured via external resistors. The device operates with high efficiency, often exceeding 90%, which is crucial for battery-powered and thermal-sensitive applications.
Additional features include current mode control for improved transient response, programmable switching frequency, and built-in protection mechanisms such as over-voltage, under-voltage lockout, and thermal shutdown.
Typical applications include power supplies for communications, industrial equipment, and automotive systems. The LTC3729EUH#TRPBF comes in a thermally enhanced package, facilitating effective heat dissipation and reliability in demanding environments.
Equivalent
Features
1. Dual Output: Capable of driving two synchronous step-down converters, allowing for an efficient power supply for multiple components.
2. Wide Input Voltage Range: Operates from 4.5V to 60V, suitable for various applications.
3. High Efficiency: Supports high efficiency across a wide load range, minimizing heat dissipation.
4. Current-Mode Control: Provides fast transient response and enhances stability.
5. Programmable Switching Frequency: Adjustable frequency from 250kHz to 1MHz for optimal performance and size.
6. Integrated Bootstrap Diode: Reduces external component count and simplifies design.
7. Power Good Indicator: Monitors output voltages with a power-good flag for system reliability.
8. Thermal Shutdown and Overcurrent Protection: Enhances safety and reliability.
These features make the LTC3729EUH#TRPBF suitable for various applications, including automotive, industrial, and telecommunications.
Pinout
Manufacturer
The LTC3729 is specifically a power management IC that provides dual-channel synchronous step-down (buck) regulation, designed for applications requiring efficient and high-performance power supply solutions. Analog Devices is known for its commitment to innovation and quality, focusing on delivering advanced technologies that address complex signal processing needs. With a strong presence in the semiconductor industry, ADI is recognized for its expertise in creating products that enable precision and reliability in electronic systems.
Application
1. Telecommunications - For powering high-performance servers and network equipment.
2. Industrial Equipment - Providing regulated power to automated systems and control circuits.
3. Computing - Used in CPUs and GPUs for efficient voltage regulation.
4. Consumer Electronics - Powering devices requiring stable and efficient power supplies.
5. LED Drivers - Managing power for LED lighting systems.
Its features support high efficiency, low output ripple, and precise voltage regulation across diverse applications.