SC8701QDER

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規格

屬性 價值
Manufacturer Southchip Semicon
Package / Case QFN-32-EP(4x4)

概述

Description

The SC8701QDER is a highly integrated synchronous buck controller designed for high-efficiency DC-DC power conversion. Key features include:
- Wide Input Range: Supports 4.5V to 32V, suitable for industrial and automotive applications.
- Adjustable Output: Configurable from 0.8V up to the input voltage.
- High Efficiency: Uses synchronous rectification and adaptive dead-time control.
- Protections: Overcurrent (OCP), overvoltage (OVP), undervoltage (UVP), and thermal shutdown.
- Programmable Switching Frequency: 100kHz to 1MHz for flexibility in design.
Ideal for point-of-load (POL) converters, telecom, and embedded systems, the SC8701QDER offers robust performance with minimal external components. Its QFN package ensures compact PCB layouts.
For detailed specs, refer to the datasheet.

Equivalent

The SC8701QDER is a synchronous buck controller. Equivalent or similar products include:
- MP2307 (Monolithic Power Systems)
- LM2675 (Texas Instruments)
- AP6503 (Diodes Incorporated)
- RT8259 (Richtek)
These alternatives offer comparable features like adjustable output voltage, high efficiency, and similar input voltage ranges. Always verify pin compatibility and specifications for your application.

Features

The SC8701QDER is a synchronous buck controller with the following key features:
- Input Voltage Range: 4.5V to 36V
- Output Voltage Range: Adjustable down to 0.6V
- High Efficiency: Supports synchronous rectification
- Switching Frequency: Adjustable (100kHz to 1MHz)
- Peak Current Mode Control: Improves transient response
- Protections: Overcurrent (OCP), overvoltage (OVP), undervoltage (UVLO), and thermal shutdown
- Programmable Soft-Start: Reduces inrush current
- Low Quiescent Current: Enhances light-load efficiency
- Package: 16-pin QSOP
Ideal for industrial, automotive, and telecom applications requiring high-efficiency power conversion.

Pinout

The SC8701QDER is a synchronous buck controller IC with 20 pins (TSSOP-20 package). Key functions include:
- Input voltage range: 4.5V to 36V
- Output voltage: Adjustable via feedback
- Switching frequency: Programmable (100kHz–1MHz)
- Protections: Overcurrent (OCP), overvoltage (OVP), undervoltage (UVLO), and thermal shutdown
- Control method: Peak current-mode PWM
- Driving capability: External N-MOSFETs
Pins include power supply (VIN, VCC), feedback (FB), enable (EN), frequency setting (RT), and gate drive outputs (HG, LG).

Manufacturer

The SC8701QDER is manufactured by Semtech Corporation, a leading semiconductor company specializing in high-performance analog and mixed-signal ICs. Semtech focuses on power management, protection, advanced communications, and IoT solutions. Known for innovation, the company serves industries like consumer electronics, industrial, and automotive.

Package

The SC8701QDER is available in a QFN-24 (4x4mm) package. This compact, lead-free package is suitable for high-density PCB designs, offering good thermal performance and efficient power dissipation.

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