仕様
| 属性 | 値 |
| Package / Case | Tape & Reel (TR) |
| Part Status | Active |
| Function | Controller |
| Interface | PWM |
| Voltage - Supply | 4.5V ~ 18V |
| Supply Current | 4.75 mA |
| Operating Temperature | -40°C ~ 125°C |
概要
Description
The ISL99227FRZ-T is a high-performance, dual-channel MOSFET driver from Renesas Electronics. Designed for synchronous buck converters, it features two independent drivers for high-side and low-side N-channel MOSFETs, optimizing power efficiency in DC-DC applications.
Key specifications:
- Voltage Range: 4.5V to 18V input.
- Peak Drive Current: ±4A (sink/source).
- Propagation Delay: 30ns (typical).
- Integrated Bootstrap Diode: Simplifies design.
- Thermal Shutdown & UVLO: Protects against faults.
Packaged in a compact DFN-10 (3x3mm), it suits space-constrained designs like servers, GPUs, and telecom systems. Its fast switching and robust protection make it ideal for high-frequency power conversion.
For detailed specs, refer to the datasheet.
Key specifications:
- Voltage Range: 4.5V to 18V input.
- Peak Drive Current: ±4A (sink/source).
- Propagation Delay: 30ns (typical).
- Integrated Bootstrap Diode: Simplifies design.
- Thermal Shutdown & UVLO: Protects against faults.
Packaged in a compact DFN-10 (3x3mm), it suits space-constrained designs like servers, GPUs, and telecom systems. Its fast switching and robust protection make it ideal for high-frequency power conversion.
For detailed specs, refer to the datasheet.
Features
The ISL99227FRZ-T is a dual-channel, high-frequency buck LED driver from Renesas. Key features:
- Input Voltage: 4.5V to 60V
- Output Current: Up to 2.5A per channel (adjustable)
- Efficiency: Up to 95% with synchronous rectification
- PWM Dimming: Up to 25kHz for precise brightness control
- Analog Dimming: Supports DC voltage control
- Switching Frequency: 200kHz to 2.2MHz (adjustable)
- Protections: OVP, OCP, UVLO, and thermal shutdown
- Package: 24-pin 4x4mm QFN
Ideal for automotive, industrial, and high-power LED applications.
- Input Voltage: 4.5V to 60V
- Output Current: Up to 2.5A per channel (adjustable)
- Efficiency: Up to 95% with synchronous rectification
- PWM Dimming: Up to 25kHz for precise brightness control
- Analog Dimming: Supports DC voltage control
- Switching Frequency: 200kHz to 2.2MHz (adjustable)
- Protections: OVP, OCP, UVLO, and thermal shutdown
- Package: 24-pin 4x4mm QFN
Ideal for automotive, industrial, and high-power LED applications.
Pinout
The ISL99227FRZ-T is a dual N-channel MOSFET driver IC in a compact 10-pin (3mm x 3mm) DFN package. Key functions include:
- Pin Count: 10 pins (exposed pad for thermal dissipation).
- Function: Drives two high-side N-channel MOSFETs independently, supporting synchronous buck converters.
- Features:
- 4.5V to 18V input range.
- Adaptive dead-time control.
- Bootstrap diode for high-side drive.
- 2A sink/source current capability.
Designed for efficiency in power management applications like DC-DC converters.
- Pin Count: 10 pins (exposed pad for thermal dissipation).
- Function: Drives two high-side N-channel MOSFETs independently, supporting synchronous buck converters.
- Features:
- 4.5V to 18V input range.
- Adaptive dead-time control.
- Bootstrap diode for high-side drive.
- 2A sink/source current capability.
Designed for efficiency in power management applications like DC-DC converters.
