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LT3958IUHE#PBF
+BOMIC REG MULT CONFG ADJ 3.3A 36QFN
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ManufacturerAnalog Devices Inc.
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Mfr. Part #LT3958IUHE#PBF
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Datasheet LT3958IUHE#PBF DataSheet
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Package QFN-36
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In Stock5623
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Specifications
| Attribute | Value |
| Package / Case | Tube |
| Part Status | Active |
| Function | Step-Up, Step-Up/Step-Down |
| Output Configuration | Positive or Negative |
| Topology | Boost, Cuk, Flyback, SEPIC |
| Output Type | Adjustable |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 5V |
| Voltage - Input (Max) | 80V |
| Voltage - Output (Min/Fixed) | 1.6V |
| Voltage - Output (Max) | 84V (Switch) |
| Current - Output | 3.3A (Switch) |
| Frequency - Switching | 100kHz ~ 1MHz |
| Synchronous Rectifier | No |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount |
Overview
Description
The LT3958IUHE#PBF is a high-efficiency switching regulator designed by Analog Devices, Inc. It is a versatile integrated circuit (IC) used for power conversion, particularly in boost, SEPIC, and flyback topologies. This IC can handle input voltages ranging from 5V to 80V and deliver output currents up to 5A, making it suitable for a wide range of applications including automotive, industrial, and communication systems.
Key features of the LT3958IUHE#PBF include its wide input voltage range, high efficiency, and programmable switching frequency from 100kHz to 1MHz, which allows for optimization between efficiency and component size. The IC also incorporates features like overvoltage protection, soft-start capability, and thermal shutdown to enhance reliability and performance.
The "IUHE" in the part number denotes the specific package type and temperature range, while "PBF" indicates that it is lead-free or "Pb-Free," complying with environmental standards. Overall, the LT3958IUHE#PBF is valued for its flexibility, robustness, and efficiency in demanding power management applications.
Key features of the LT3958IUHE#PBF include its wide input voltage range, high efficiency, and programmable switching frequency from 100kHz to 1MHz, which allows for optimization between efficiency and component size. The IC also incorporates features like overvoltage protection, soft-start capability, and thermal shutdown to enhance reliability and performance.
The "IUHE" in the part number denotes the specific package type and temperature range, while "PBF" indicates that it is lead-free or "Pb-Free," complying with environmental standards. Overall, the LT3958IUHE#PBF is valued for its flexibility, robustness, and efficiency in demanding power management applications.
Equivalent
The LT3958IUHE#PBF is a high-voltage, step-up DC/DC converter by Analog Devices. Equivalent products include:
1. Texas Instruments LM5122 - A synchronous boost controller suitable for high-power applications.
2. Maxim Integrated MAX668 - A high-voltage boost regulator for similar applications.
3. ON Semiconductor NCP1406 - Another high-voltage boost converter option.
Ensure to check specific features and electrical characteristics to confirm suitability for your application.
1. Texas Instruments LM5122 - A synchronous boost controller suitable for high-power applications.
2. Maxim Integrated MAX668 - A high-voltage boost regulator for similar applications.
3. ON Semiconductor NCP1406 - Another high-voltage boost converter option.
Ensure to check specific features and electrical characteristics to confirm suitability for your application.
Features
The LT3958IUHE#PBF is a versatile LED driver and DC/DC converter designed by Analog Devices (formerly Linear Technology). Key features include:
1. High Input Voltage Range: Operates from 4.5V to 60V, accommodating a wide variety of power sources.
2. Output Current: Capable of driving up to 1.5A, suitable for high-current LED applications.
3. Constant-Current and Constant-Voltage Operation: Allows for both LED driving and power supply applications.
4. Adjustable Switching Frequency: Programmable from 200kHz to 3MHz, optimizing efficiency and component size.
5. High Efficiency: Capable of achieving efficiencies over 90%, minimizing heat generation.
6. PWM Dimming: Supports wide-range PWM dimming for LED brightness control.
7. Protection Features: Includes over-current protection, over-voltage protection, and thermal shutdown.
8. Compact Package: Available in a 28-pin QFN package, suitable for space-constrained designs.
These features make the LT3958IUHE#PBF an excellent choice for applications requiring efficient and reliable LED driving or voltage conversion.
1. High Input Voltage Range: Operates from 4.5V to 60V, accommodating a wide variety of power sources.
2. Output Current: Capable of driving up to 1.5A, suitable for high-current LED applications.
3. Constant-Current and Constant-Voltage Operation: Allows for both LED driving and power supply applications.
4. Adjustable Switching Frequency: Programmable from 200kHz to 3MHz, optimizing efficiency and component size.
5. High Efficiency: Capable of achieving efficiencies over 90%, minimizing heat generation.
6. PWM Dimming: Supports wide-range PWM dimming for LED brightness control.
7. Protection Features: Includes over-current protection, over-voltage protection, and thermal shutdown.
8. Compact Package: Available in a 28-pin QFN package, suitable for space-constrained designs.
These features make the LT3958IUHE#PBF an excellent choice for applications requiring efficient and reliable LED driving or voltage conversion.
Pinout
The LT3958IUHE#PBF is a high-power DC/DC boost converter IC manufactured by Analog Devices (formerly Linear Technology). It is designed for applications requiring high-output voltage and current, such as LED drivers and power supplies.
The LT3958 comes in a 5mm x 6mm 36-lead QFN package. The pin count for this particular model is 36 pins.
Key functions of the LT3958 include:
- Operating from an input voltage range of 5V to 58V.
- Delivering output power up to several hundred watts.
- Integrated power switch capable of handling high current.
- PWM dimming and analog dimming for LED applications.
- Features such as programmable switching frequency, soft-start, and overcurrent protection.
These capabilities make it suitable for applications such as automotive lighting, battery-powered systems, and general-purpose power conversion.
The LT3958 comes in a 5mm x 6mm 36-lead QFN package. The pin count for this particular model is 36 pins.
Key functions of the LT3958 include:
- Operating from an input voltage range of 5V to 58V.
- Delivering output power up to several hundred watts.
- Integrated power switch capable of handling high current.
- PWM dimming and analog dimming for LED applications.
- Features such as programmable switching frequency, soft-start, and overcurrent protection.
These capabilities make it suitable for applications such as automotive lighting, battery-powered systems, and general-purpose power conversion.
Manufacturer
The LT3958IUHE#PBF is a product manufactured by Analog Devices, Inc. This company is a leading global manufacturer of semiconductor devices, particularly focusing on high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits (ICs). Analog Devices serves various industries, including automotive, communications, consumer electronics, healthcare, and industrial sectors. They are well-known for their innovations in power management, data conversion, signal processing, and RF technology.
Application
The LT3958IUHE#PBF is a versatile DC/DC converter IC used in various applications. Its primary application areas include LED lighting systems, where it efficiently drives high-current LEDs with precise current control. It is also used in battery-powered devices, providing efficient power conversion to extend battery life. Additionally, the IC is suitable for automotive lighting, industrial lighting, and backlighting applications due to its wide input voltage range and robust performance. Furthermore, it can be employed in solar power systems, power management for telecommunication equipment, and general-purpose DC/DC conversion tasks where reliability and efficiency are crucial.
Package
The LT3958IUHE#PBF is a DC/DC converter IC from Analog Devices, packaged in a 5mm x 6mm 36-lead plastic QFN (Quad Flat No-Lead) package.
