圖片僅供參考
規格
| 屬性 | 價值 |
| Manufacturer | SCT |
| Package / Case | ESOP-8 |
| Voltage - Supply | 3.8V~40V |
| Function | Step-down type |
| Synchronous Rectifier | Yes |
| Number of Outputs | 1 |
| Topology | Step-Down |
| Operating Temperature | -40℃~+125℃ |
| Output Type | Adjustable |
| Current - Quiescent (Iq) | 25uA |
| Switch tube (built - in / external) | Built-in |
| Current - Output | 3.5A |
| Frequency - Switching | 570kHz |
| Output Voltage | 800mV~40V |
概述
Description
The SCT2433STER is a high-performance, step-down DC-DC converter from Silicon Mitus, designed for efficient power management in compact applications.
### Key Features:
- Input Voltage: 4.5V to 40V
- Output Current: Up to 3.5A
- High Efficiency: Up to 95% (PWM mode)
- Adjustable Output: 0.8V to 24V
- Switching Frequency: 500kHz (typ.)
- Protections: Overcurrent, thermal shutdown, undervoltage lockout (UVLO)
### Applications:
- Industrial systems
- Automotive electronics
- Battery-powered devices
- IoT & embedded systems
### Advantages:
- Compact DFN-8 package
- Low standby current (~20μA)
- Supports PWM/PFM modes for efficiency optimization
Ideal for designs requiring high efficiency, wide input range, and robust performance in a small footprint.
### Key Features:
- Input Voltage: 4.5V to 40V
- Output Current: Up to 3.5A
- High Efficiency: Up to 95% (PWM mode)
- Adjustable Output: 0.8V to 24V
- Switching Frequency: 500kHz (typ.)
- Protections: Overcurrent, thermal shutdown, undervoltage lockout (UVLO)
### Applications:
- Industrial systems
- Automotive electronics
- Battery-powered devices
- IoT & embedded systems
### Advantages:
- Compact DFN-8 package
- Low standby current (~20μA)
- Supports PWM/PFM modes for efficiency optimization
Ideal for designs requiring high efficiency, wide input range, and robust performance in a small footprint.
Equivalent
The SCT2433STER (3.5A, 17V synchronous buck converter) has several equivalents:
- MP2307DN (MPS)
- AP3406KTR-G1 (Diodes Inc.)
- SY8303 (Silergy)
- LM2675 (TI)
These offer similar specs (3A+ output, ~17V input, synchronous rectification). Verify pinout and parameters before substitution.
- MP2307DN (MPS)
- AP3406KTR-G1 (Diodes Inc.)
- SY8303 (Silergy)
- LM2675 (TI)
These offer similar specs (3A+ output, ~17V input, synchronous rectification). Verify pinout and parameters before substitution.
Features
The SCT2433STER is a 3.8A, 100V synchronous step-down DC-DC converter with high efficiency and a compact design. Key features:
- Wide Input Voltage: 4.5V to 100V
- High Output Current: Up to 3.8A
- High Efficiency: Up to 95% (synchronous rectification)
- Adjustable Output: 0.8V to 50V (via external resistors)
- Fixed Switching Frequency: 100kHz (reduces EMI)
- Protections: Over-current (OCP), over-temperature (OTP), under-voltage lockout (UVLO)
- Low Quiescent Current: 50μA (shutdown mode)
- Compact Package: ESOP-8 (suitable for space-constrained apps)
Ideal for industrial, automotive, and battery-powered systems.
- Wide Input Voltage: 4.5V to 100V
- High Output Current: Up to 3.8A
- High Efficiency: Up to 95% (synchronous rectification)
- Adjustable Output: 0.8V to 50V (via external resistors)
- Fixed Switching Frequency: 100kHz (reduces EMI)
- Protections: Over-current (OCP), over-temperature (OTP), under-voltage lockout (UVLO)
- Low Quiescent Current: 50μA (shutdown mode)
- Compact Package: ESOP-8 (suitable for space-constrained apps)
Ideal for industrial, automotive, and battery-powered systems.
Pinout
The SCT2433STER is a 3.5A, 40V synchronous step-down DC-DC converter from Southchip Semiconductor.
- Pin Count: 8-pin (SOP-8 package)
- Key Functions:
- VIN: Input voltage (4.5V–40V)
- SW: Switching node (connects to inductor)
- GND: Ground
- EN: Enable control (high = on, low = off)
- FB: Feedback for output voltage regulation
- COMP: Compensation pin for loop stability
- BOOT: Bootstrap capacitor connection for high-side MOSFET
It features high efficiency (up to 95%), fixed 500kHz switching frequency, and integrated MOSFETs, making it suitable for industrial and automotive applications.
- Pin Count: 8-pin (SOP-8 package)
- Key Functions:
- VIN: Input voltage (4.5V–40V)
- SW: Switching node (connects to inductor)
- GND: Ground
- EN: Enable control (high = on, low = off)
- FB: Feedback for output voltage regulation
- COMP: Compensation pin for loop stability
- BOOT: Bootstrap capacitor connection for high-side MOSFET
It features high efficiency (up to 95%), fixed 500kHz switching frequency, and integrated MOSFETs, making it suitable for industrial and automotive applications.
Application
The SCT2433STER is a high-efficiency, 3A step-down DC-DC converter, commonly used in:
1. Consumer Electronics – Powering smart devices, routers, and set-top boxes.
2. Industrial Equipment – Voltage regulation for sensors, PLCs, and control systems.
3. Automotive Electronics – Supporting infotainment, ADAS, and lighting systems.
4. IoT & Wearables – Extending battery life in low-power applications.
5. Telecom & Networking – Providing stable power for switches and modems.
Its compact size, wide input range (4.5V–36V), and high efficiency make it ideal for space-constrained and energy-sensitive designs.
1. Consumer Electronics – Powering smart devices, routers, and set-top boxes.
2. Industrial Equipment – Voltage regulation for sensors, PLCs, and control systems.
3. Automotive Electronics – Supporting infotainment, ADAS, and lighting systems.
4. IoT & Wearables – Extending battery life in low-power applications.
5. Telecom & Networking – Providing stable power for switches and modems.
Its compact size, wide input range (4.5V–36V), and high efficiency make it ideal for space-constrained and energy-sensitive designs.
Package
The SCT2433STER is a 3.8A, 100V synchronous buck converter in a DFN-8 (3x3mm) package. It features high efficiency, a wide input voltage range (4.5V–100V), and adjustable frequency. The compact DFN-8 package is suitable for space-constrained applications like industrial, automotive, and telecom systems.
