NXF6501-Q100
Low-noise, 1.2 A transformer driver for isolated power supplies
The NXF6501-Q100 is a specialized push-pull transformer driver that is designed for isolated power supplies in small form factors. This driver is capable of driving low-profile, center-tapped transformers from a 2.25 V to 5.5 V DC power supply, while achieving ultra-low noise and EMI using slew rate control and Spread Spectrum Clocking (SSC).
The NXF6501-Q100 includes internal protection features such as current limiting, undervoltage lockout, thermal shutdown, and break-before-make circuitry, ensuring the device maintains safe limits. The device also includes a soft-start feature that prevents high inrush current during power-up with large load capacitors.
The NXF6501-Q100 is constructed using an oscillator and a gate drive circuit that produces complementary output signals to drive ground-referenced N-channel power switches. These two complementary 1.2 A power-MOSFET switches can be used to provide >6 W power.
The NXF6501-Q100 410 kHz internal oscillator is for applications that require higher efficiency and smaller transformers. The NXF6501-Q100 is available in a small 5 pin SOT8098-1 package and is characterized for operation within a temperature range of -55 °C to 125 °C.
This product has been qualified to the Automotive Electronics Council (AEC) standard Q100 (Grade 1) and is suitable for use in automotive applications.
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Features and benefits
Automotive product qualification in accordance with AEC-Q100 (Grade 1)
Specified from -55 °C to +125 °C
Push-pull driver for transformers, optimized for low EMI:
- Slew-rate control
- Spread Spectrum Clocking (SSC)
- Wide input voltage range: 2.25 V to 5.5 V
- High output drive: 1.2 A at 5 V supply
- Low RON 0.2 Ω maximum at 5 V supply
- Internal switching frequency: 410 kHz
- 1.7 A output current limit
- Thermal shutdown protection
- Soft-start to reduce In-rush current
ESD protection:
HBM: ANSI/ESDA/JEDEC JS-001 class 3A exceeds 6000 V
CDM: ANSI/ESDA/JEDEC JS-002 class C3 exceeds 1500 V
- Small 5 pin SOT8098-1 (TSOT23-5) package
Applications
- Isolated power supply for automotive and industrial applications:
- CAN, RS-485, RS-422, RS-232, SPI, I²C, low-power LAN
- Low-noise isolated USB supplies
- Process control
- Telecom supplies
- Radio supplies
- Distributed supplies
- Medical instruments
- Precision instruments
- Low-noise filament supplies
- Isolated power supplies for automotive (AEC-Q100)
- Traction inverter and motor control
- DC-DC converter
- Battery management system
- On-board charger
封装
| 型号 | 可订购的器件编号，（订购码(12NC)） | 状态 | 标示 | 封装 | 外形图 | 回流焊/波峰焊 | 包装 |
|---|---|---|---|---|---|---|---|
| NXF6501DC-Q100 | NXF6501DC-Q100Z (935692120342) |
Active | N01 |
TSOT23-5 (SOT8098-1) |
SOT8098-1 | SOT8098-1_342 | |
| NXF6501DN-Q100 | NXF6501DN-Q100/GH (935692544125) |
Samples available / Development | G01 |
LSOT 5 (SOT8121-1) |
SOT8121-1 | SOT8121-1_125 |
环境信息
| 型号 | 可订购的器件编号 | 化学成分 | RoHS | RHF指示符 |
|---|---|---|---|---|
| NXF6501DC-Q100 | NXF6501DC-Q100Z | NXF6501DC-Q100 |
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| NXF6501DN-Q100 | NXF6501DN-Q100/GH | NXF6501DN-Q100 |
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文档 (6)
| 文件名称 | 标题 | 类型 | 日期 |
|---|---|---|---|
| NXF6501_Q100 | Low-noise, 1.2 A transformer driver for isolated power supplies | Data sheet | 2025-08-26 |
| AN90063 | Questions about package outline drawings | Application note | 2025-09-15 |
| SOT8098-1 | plastic, surface-mounted package; 5 leads; 0.95 mm pitch;2.9 mm x 2.8 mm x 1.1 mm body | Package information | 2024-12-03 |
| SOT8121-1 | LSOT 5: plastic; 5 pins; 0.95 mm ptich; 2.9 mm × 1.6 mm × 1.45 mm body | Package information | 2025-09-09 |
| TN90008 | Reduce radiated emissions in isolated power designs using NXF650x-Q100 | Technical note | 2024-09-16 |
| TN90009 | Protection features of NXF5650x transformer drivers | Technical note | 2024-10-01 |
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