規格
| 屬性 | 價值 |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Active |
| Diode Type | Schottky |
| Voltage - DC Reverse (Vr) (Max) | 40 V |
| Current - Average Rectified(Io) | 250mA (DC) |
| Voltage - Forward (Vf) (Max) @ If | 600 mV @ 200 mA |
| Speed | Fast Recovery =< 500ns, > 200mA (Io) |
| Reverse Recovery Time (trr) | 10 ns |
| Current - Reverse Leakage @ Vr | 5 µA @ 30 V |
| Capacitance @ Vr F | 50pF @ 0V, 1MHz |
| Mounting Type | Surface Mount |
| Supplier Device Package | SOD-523 |
概述
Description
The SDM20U40-7 is a high-efficiency, synchronous step-down DC-DC converter module by Renesas. Key features:
- Input Voltage: 4.5V to 20V
- Output Voltage: Adjustable (0.8V to 18V)
- Output Current: Up to 40A
- Efficiency: Up to 97%
- Switching Frequency: 300kHz to 1.2MHz (adjustable)
- Protections: Overcurrent, overtemperature, undervoltage lockout
Compact and designed for POL (Point-of-Load) applications, it suits telecom, industrial, and computing systems. The module integrates MOSFETs and an inductor, simplifying design while delivering high power density.
For detailed specs, refer to the datasheet.
- Input Voltage: 4.5V to 20V
- Output Voltage: Adjustable (0.8V to 18V)
- Output Current: Up to 40A
- Efficiency: Up to 97%
- Switching Frequency: 300kHz to 1.2MHz (adjustable)
- Protections: Overcurrent, overtemperature, undervoltage lockout
Compact and designed for POL (Point-of-Load) applications, it suits telecom, industrial, and computing systems. The module integrates MOSFETs and an inductor, simplifying design while delivering high power density.
For detailed specs, refer to the datasheet.
Equivalent
The SDM20U40-7 is a Schottky diode. Equivalent products include:
- STPS20U40D (STMicroelectronics)
- SB2045CT (ON Semiconductor)
- SS2U40 (Vishay)
- MBR20U40 (Micro Commercial Components)
These alternatives offer similar specifications (20A, 40V Schottky diodes in TO-220 packages). Verify datasheets for exact compatibility.
- STPS20U40D (STMicroelectronics)
- SB2045CT (ON Semiconductor)
- SS2U40 (Vishay)
- MBR20U40 (Micro Commercial Components)
These alternatives offer similar specifications (20A, 40V Schottky diodes in TO-220 packages). Verify datasheets for exact compatibility.
Features
The SDM20U40-7 is a Schottky barrier diode with the following key features:
- Voltage Rating: 40V (Reverse Voltage)
- Current Rating: 20A (Average Forward Current)
- Low Forward Voltage Drop: ~0.55V (typical at 10A)
- Fast Switching Speed: Minimal reverse recovery time
- High Efficiency: Ideal for power rectification
- Package: TO-220AB (easy mounting)
- Operating Temperature: -65°C to +150°C
Designed for applications like power supplies, converters, and reverse polarity protection.
- Voltage Rating: 40V (Reverse Voltage)
- Current Rating: 20A (Average Forward Current)
- Low Forward Voltage Drop: ~0.55V (typical at 10A)
- Fast Switching Speed: Minimal reverse recovery time
- High Efficiency: Ideal for power rectification
- Package: TO-220AB (easy mounting)
- Operating Temperature: -65°C to +150°C
Designed for applications like power supplies, converters, and reverse polarity protection.
Pinout
The SDM20U40-7 is a 20-pin power module designed for DC-DC conversion, typically used in industrial and telecom applications.
Key Functions:
- Input Voltage: 36–75V DC (wide range).
- Output: 5V DC at up to 40A (200W max).
- Efficiency: Up to 92% (typical).
- Protections: Overcurrent (OCP), overvoltage (OVP), and thermal shutdown.
- Control Pins: Enable (ON/OFF), remote sense, and power-good signal.
Pinout Highlights:
- Vin+/-: Input power.
- Vout+/-: Output power.
- Enable: Active-high control.
- PG: Power-good indicator.
Compact and efficient, it suits high-current applications. For exact pin mapping, refer to the datasheet.
Key Functions:
- Input Voltage: 36–75V DC (wide range).
- Output: 5V DC at up to 40A (200W max).
- Efficiency: Up to 92% (typical).
- Protections: Overcurrent (OCP), overvoltage (OVP), and thermal shutdown.
- Control Pins: Enable (ON/OFF), remote sense, and power-good signal.
Pinout Highlights:
- Vin+/-: Input power.
- Vout+/-: Output power.
- Enable: Active-high control.
- PG: Power-good indicator.
Compact and efficient, it suits high-current applications. For exact pin mapping, refer to the datasheet.
Package
The SDM20U40-7 is a surface-mount Schottky barrier diode in a SOD-123FL package. It features low forward voltage drop and high-speed switching, commonly used in power rectification and protection circuits. The compact SOD-123FL package is suitable for space-constrained PCB designs.
