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LTC3872ETS8#TRPBF
+BOMIC REG CTRLR BOOST TSOT23-8
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ManufacturerAnalog Devices Inc.
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Mfr. Part #LTC3872ETS8#TRPBF
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Datasheet LTC3872ETS8#TRPBF DataSheet
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In Stock6390
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Specifications
| Attribute | Value |
| Part Status | Active |
| Output Type | Transistor Driver |
| Function | Step-Up |
| Output Configuration | Positive |
| Topology | Boost |
| Number of Outputs | 1 |
| Output Phases | 1 |
| Voltage - Supply (Vcc/Vdd) | 2.75V ~ 9.8V |
| Frequency - Switching | 550kHz |
| Synchronous Rectifier | No |
| Clock Sync | No |
| Control Features | Current Limit, Enable, Soft Start |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
| Package / Case | SOT-23-8 Thin, TSOT-23-8 |
| Supplier Device Package | TSOT-23-8 |
| Base Product Number | LTC3872 |
Overview
Description
The LTC3872ETS8#TRPBF is a high-performance, synchronous step-down DC/DC controller designed for applications requiring efficient power conversion. It features a wide input voltage range, typically from 4.5V to 60V, making it suitable for a variety of power supply scenarios. This controller is optimized for high efficiency, low ripple, and fast transient response, which is essential for powering sensitive electronics.
Key features include adjustable output voltage, power good indication, and the ability to drive external MOSFETs, allowing for flexible design configurations. The LTC3872 also supports programmable soft-start and current limiting, enhancing system protection and reliability. Its compact 8-lead TSOT-23 package provides a space-saving solution for modern designs.
Applications for the LTC3872ETS8#TRPBF include industrial power supplies, automotive systems, and telecommunications. Overall, it is an ideal choice for designers looking for a robust, efficient, and versatile DC/DC power management solution.
Key features include adjustable output voltage, power good indication, and the ability to drive external MOSFETs, allowing for flexible design configurations. The LTC3872 also supports programmable soft-start and current limiting, enhancing system protection and reliability. Its compact 8-lead TSOT-23 package provides a space-saving solution for modern designs.
Applications for the LTC3872ETS8#TRPBF include industrial power supplies, automotive systems, and telecommunications. Overall, it is an ideal choice for designers looking for a robust, efficient, and versatile DC/DC power management solution.
Equivalent
The LTC3872ETS8#TRPBF is a synchronous step-down controller. Equivalent products include the Texas Instruments TPS563201, ON Semiconductor NCP302155, and the Maxim Integrated MAX15020. These alternatives offer similar functions like voltage regulation and high efficiency, but it's essential to check specific parameters such as input/output voltage range, switching frequency, and package type for compatibility.
Features
The LTC3872ETS8#TRPBF is a high-performance synchronous step-down controller designed for efficient power management applications. Key features include:
1. Wide Input Voltage Range: Operates from 4.5V to 60V, accommodating various power supply designs.
2. High Efficiency: Delivers up to 95% efficiency through synchronous switching.
3. Current Mode Control: Enhances transient response and simplifies compensation.
4. Adjustable Output Voltage: Supports output voltages down to 0.8V, enabling flexibility in design.
5. Integrated Drivers: On-chip high-side and low-side MOSFET drivers reduce external component count.
6. Programmable Switching Frequency: Configurable from 100kHz to 1MHz for design optimization.
7. Soft-Start Function: Reduces inrush current during startup.
8. Protection Features: Includes overvoltage, undervoltage lockout, and thermal shutdown for improved reliability.
9. Compact Package: Available in a 8-lead TSOT-23 package for space-constrained applications.
These features make the LTC3872ETS8#TRPBF suitable for a variety of power supply designs in automotive, industrial, and telecommunications sectors.
1. Wide Input Voltage Range: Operates from 4.5V to 60V, accommodating various power supply designs.
2. High Efficiency: Delivers up to 95% efficiency through synchronous switching.
3. Current Mode Control: Enhances transient response and simplifies compensation.
4. Adjustable Output Voltage: Supports output voltages down to 0.8V, enabling flexibility in design.
5. Integrated Drivers: On-chip high-side and low-side MOSFET drivers reduce external component count.
6. Programmable Switching Frequency: Configurable from 100kHz to 1MHz for design optimization.
7. Soft-Start Function: Reduces inrush current during startup.
8. Protection Features: Includes overvoltage, undervoltage lockout, and thermal shutdown for improved reliability.
9. Compact Package: Available in a 8-lead TSOT-23 package for space-constrained applications.
These features make the LTC3872ETS8#TRPBF suitable for a variety of power supply designs in automotive, industrial, and telecommunications sectors.
Pinout
The LTC3872ETS8#TRPBF is a synchronous step-down (buck) regulator controller with an 8-pin package (SOT-23).
### Pin Count:
- Total Pins: 8
### Pin Functions:
1. VIN (Pin 1): Input voltage supply.
2. GND (Pin 2): Ground reference.
3. SW (Pin 3): Switch node for the external MOSFET.
4. VFB (Pin 4): Feedback voltage input for regulation.
5. COMP (Pin 5): Compensation network connection for stability.
6. ISNS- (Pin 6): Negative current sense input.
7. ISNS+ (Pin 7): Positive current sense input.
8. SS (Pin 8): Soft-start control input.
This device is designed for applications requiring high efficiency in low-power environments.
### Pin Count:
- Total Pins: 8
### Pin Functions:
1. VIN (Pin 1): Input voltage supply.
2. GND (Pin 2): Ground reference.
3. SW (Pin 3): Switch node for the external MOSFET.
4. VFB (Pin 4): Feedback voltage input for regulation.
5. COMP (Pin 5): Compensation network connection for stability.
6. ISNS- (Pin 6): Negative current sense input.
7. ISNS+ (Pin 7): Positive current sense input.
8. SS (Pin 8): Soft-start control input.
This device is designed for applications requiring high efficiency in low-power environments.
Manufacturer
The manufacturer of the LTC3872ETS8#TRPBF is Analog Devices, Inc. Analog Devices is a multinational semiconductor company that specializes in high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits (ICs). The company is known for its innovative solutions in various applications, including communications, automotive, industrial, and consumer electronics.
Founded in 1965, Analog Devices has a strong reputation in the industry for delivering high-quality products that enable precise data conversion, signal conditioning, and power management. The LTC3872, specifically, is a synchronous step-down regulator controller designed for high-efficiency power management in various applications. The company plays a crucial role in advancing technology in sectors that require reliable performance and precision, making it a key player in the semiconductor industry.
Founded in 1965, Analog Devices has a strong reputation in the industry for delivering high-quality products that enable precise data conversion, signal conditioning, and power management. The LTC3872, specifically, is a synchronous step-down regulator controller designed for high-efficiency power management in various applications. The company plays a crucial role in advancing technology in sectors that require reliable performance and precision, making it a key player in the semiconductor industry.
Application
The LTC3872ETS8#TRPBF is a dual-channel synchronous buck controller used primarily in power management applications. Its key application areas include:
1. DC-DC Converters: For step-down voltage regulation in various electronic devices.
2. Battery Management Systems: To efficiently manage the charging and discharging of batteries.
3. Industrial Power Supplies: Providing stable power for industrial automation and control systems.
4. Telecommunications Equipment: Ensuring reliable power for networking and communication devices.
5. Consumer Electronics: Used in laptops, tablets, and smartphones for efficient power delivery.
Its versatility and efficiency make it suitable for a wide range of applications in both commercial and industrial sectors.
1. DC-DC Converters: For step-down voltage regulation in various electronic devices.
2. Battery Management Systems: To efficiently manage the charging and discharging of batteries.
3. Industrial Power Supplies: Providing stable power for industrial automation and control systems.
4. Telecommunications Equipment: Ensuring reliable power for networking and communication devices.
5. Consumer Electronics: Used in laptops, tablets, and smartphones for efficient power delivery.
Its versatility and efficiency make it suitable for a wide range of applications in both commercial and industrial sectors.
Package
The LTC3872ETS8#TRPBF is packaged in an 8-lead MSOP (Mini Small Outline Package) with a lead pitch of 0.65 mm. This compact package is designed for space-constrained applications, providing efficient thermal performance and electrical characteristics.
