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LTC3633EFE
+BOMIC REG BUCK ADJ 3A DL 28TSSOP
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ManufacturerAnalog Devices Inc.
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Mfr. Part #LTC3633EFE
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In Stock7791
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Specifications
| Attribute | Value |
| Part Status | Obsolete |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Output Type | Adjustable |
| Number of Outputs | 2 |
| Voltage - Input (Min) | 3.6V |
| Voltage - Input (Max) | 15V |
| Voltage - Output (Min/Fixed) | 0.6V |
| Voltage - Output (Max) | 14.7V |
| Current - Output | 3A |
| Frequency - Switching | 500kHz ~ 4MHz |
| Synchronous Rectifier | Yes |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount |
| Package / Case | 28-TSSOP (0.173", 4.40mm Width) Exposed Pad |
| Supplier Device Package | 28-TSSOP-EP |
| Base Product Number | LTC3633 |
Overview
Description
The LTC3633EFE is a high-performance, step-down (buck) DC-DC converter designed by Analog Devices, specifically tailored for powering low voltage applications from higher input voltages. It features a wide input voltage range of 4.5V to 60V, making it suitable for various applications, including automotive and industrial power supplies. The LTC3633EFE can deliver up to 3A of output current, with an adjustable output voltage down to 0.8V, allowing for flexibility in system design.
Key features include high efficiency (up to 95%) across a wide load range, a compact package (QFN), and an integrated soft-start to limit inrush current during startup. Additionally, it supports frequency synchronization and has built-in protections, such as overvoltage and thermal shutdown, ensuring reliable operation. Its low quiescent current makes it ideal for battery-powered applications. Overall, the LTC3633EFE is a versatile solution for designers looking to efficiently manage power in demanding environments.
Key features include high efficiency (up to 95%) across a wide load range, a compact package (QFN), and an integrated soft-start to limit inrush current during startup. Additionally, it supports frequency synchronization and has built-in protections, such as overvoltage and thermal shutdown, ensuring reliable operation. Its low quiescent current makes it ideal for battery-powered applications. Overall, the LTC3633EFE is a versatile solution for designers looking to efficiently manage power in demanding environments.
Equivalent
Equivalent products to the LTC3633EFE chip include the Texas Instruments TPS563201, Analog Devices ADP2302, and the Microchip MCP16301. These alternatives provide similar features such as step-down (buck) voltage regulation, compact design, and efficiency in power management. Always verify specifications to ensure compatibility with your specific application.
Features
The LTC3633EFE is a high-efficiency, synchronous step-down DC/DC converter designed for low-power applications. Key features include:
1. Input Voltage Range: Operates from 2.5V to 15V, making it versatile for various power sources.
2. Output Current: Delivers up to 3A of continuous output current.
3. Adjustable Output Voltage: Output voltage is adjustable from 0.8V to 5V.
4. High Efficiency: Achieves efficiencies up to 95% to minimize heat generation and extend battery life.
5. Low Quiescent Current: Features a low quiescent current in sleep mode, enhancing battery performance in portable applications.
6. Compensation: Integrated compensation minimizes external component count and simplifies design.
7. Thermal Protection: Includes thermal shutdown and current limit features for safety.
8. Small Package: Available in a compact 3mm × 4mm LQFN package, ideal for space-constrained designs.
These features make the LTC3633EFE suitable for portable devices, battery-powered equipment, and IoT applications.
1. Input Voltage Range: Operates from 2.5V to 15V, making it versatile for various power sources.
2. Output Current: Delivers up to 3A of continuous output current.
3. Adjustable Output Voltage: Output voltage is adjustable from 0.8V to 5V.
4. High Efficiency: Achieves efficiencies up to 95% to minimize heat generation and extend battery life.
5. Low Quiescent Current: Features a low quiescent current in sleep mode, enhancing battery performance in portable applications.
6. Compensation: Integrated compensation minimizes external component count and simplifies design.
7. Thermal Protection: Includes thermal shutdown and current limit features for safety.
8. Small Package: Available in a compact 3mm × 4mm LQFN package, ideal for space-constrained designs.
These features make the LTC3633EFE suitable for portable devices, battery-powered equipment, and IoT applications.
Pinout
The LTC3633EFE is a high-efficiency step-down regulator with a pin count of 20. It is designed for use in applications requiring a compact, high-performance DC/DC power solution.
Key pin functions include:
1. VIN - Input voltage supply.
2. SW - Switch node for connecting the inductor.
3. VOUT - Output voltage.
4. GND - Ground reference.
5. COMP - Compensation node for stability.
6. CSN/ CSP - Current sense pins for overcurrent protection.
7. RUN - Enable control for the regulator.
8. SENSE- - Remote sensing negative input.
9. SENSE+ - Remote sensing positive input.
10. MODE - Frequency selection for operation mode (Burst or Continuous).
11. PG - Power good indicator.
12. TMR - Timing capacitor for soft-start.
13. LTC - Temperature sensing pin.
This versatile device is suitable for various power management applications, offering features like programmable output voltage and high efficiency.
Key pin functions include:
1. VIN - Input voltage supply.
2. SW - Switch node for connecting the inductor.
3. VOUT - Output voltage.
4. GND - Ground reference.
5. COMP - Compensation node for stability.
6. CSN/ CSP - Current sense pins for overcurrent protection.
7. RUN - Enable control for the regulator.
8. SENSE- - Remote sensing negative input.
9. SENSE+ - Remote sensing positive input.
10. MODE - Frequency selection for operation mode (Burst or Continuous).
11. PG - Power good indicator.
12. TMR - Timing capacitor for soft-start.
13. LTC - Temperature sensing pin.
This versatile device is suitable for various power management applications, offering features like programmable output voltage and high efficiency.
Manufacturer
The LTC3633EFE is manufactured by Analog Devices, Inc. Analog Devices is a global leader in the design and manufacturing of high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. The company specializes in providing solutions for various applications, including industrial automation, communications, automotive, healthcare, and consumer electronics.
Founded in 1965, Analog Devices has a strong focus on innovation and engineering excellence, developing products that enable advanced technologies in signal processing and data conversion. The LTC3633EFE itself is a high-efficiency synchronous step-down (buck) regulator that can deliver up to 3A of output current, making it suitable for applications requiring efficient power management.
Analog Devices operates in a competitive landscape within the semiconductor industry, known for its quality and reliability in delivering robust electronic components. The company is headquartered in Norwood, Massachusetts, and serves a global customer base, supporting various sectors with its extensive portfolio of products.
Founded in 1965, Analog Devices has a strong focus on innovation and engineering excellence, developing products that enable advanced technologies in signal processing and data conversion. The LTC3633EFE itself is a high-efficiency synchronous step-down (buck) regulator that can deliver up to 3A of output current, making it suitable for applications requiring efficient power management.
Analog Devices operates in a competitive landscape within the semiconductor industry, known for its quality and reliability in delivering robust electronic components. The company is headquartered in Norwood, Massachusetts, and serves a global customer base, supporting various sectors with its extensive portfolio of products.
Application
The LTC3633EFE is a high-performance buck converter designed for applications requiring efficient power management. Key application areas include:
1. Portable Devices: Ideal for battery-powered electronics due to its low quiescent current.
2. Industrial Equipment: Provides reliable power for sensors and control systems.
3. Telecommunications: Supports high-efficiency power supply for networking equipment.
4. Automotive: Used in vehicle electronics for stable voltage regulation.
5. Consumer Electronics: Powers devices like smartphones, tablets, and wearables with compact design.
Its versatility, high efficiency, and compact package make it suitable for various applications requiring precise voltage regulation.
1. Portable Devices: Ideal for battery-powered electronics due to its low quiescent current.
2. Industrial Equipment: Provides reliable power for sensors and control systems.
3. Telecommunications: Supports high-efficiency power supply for networking equipment.
4. Automotive: Used in vehicle electronics for stable voltage regulation.
5. Consumer Electronics: Powers devices like smartphones, tablets, and wearables with compact design.
Its versatility, high efficiency, and compact package make it suitable for various applications requiring precise voltage regulation.
Package
The LTC3633EFE is available in a 20-lead TSSOP (Thin Shrink Small Outline Package) package type.
