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STMICROELECTRONICS L5991AD PWM Controller
The primary controller L5991A is a high-performance, current-mode PWM device designed for off-line or DC-DC power supply applications. It features programmable soft start, synchronization capabilities, and maximum duty cycle control, offering precise regulation in switching power converters. The device includes internal 100ns leading-edge blanking, overcurrent protection with restart delay, and standby functions for reduced power consumption. Its robust design ensures high-current drive capability suitable for power MOSFETs, with a user-friendly package option in DIP16 and SO16 formats. Ideal for efficient power management with reliable protection features, it is suitable for advanced power solutions and manufacturing equipment.
STMICROELECTRONICS L5991AD PWM Controller Specifications:
- Switching frequency: up to 1MHz
- Maximum duty cycle: 100% and 50% limit programmable
- Input voltage range: 12V to 20V
- Power Dissipation: 1.2W (DIP16), 0.8W (SO16) at 70°C
- Start-up current: less than 120A
- Output drive: capable of driving power MOSFETs with 1A current
- Thermal Resistance Junction-Ambient: 80°C/W (DIP16), 120°C/W (SO16)
- Operating junction temperature: -55°C to +150°C
- External synchronization, soft start, and latch disable features
- Pin configuration includes SYNC, RCT, VCC, VOUT, PGND, SGND, ISEN, DIS, DC-LIM, S-BY
- Internal 100ns leading-edge blanking on current sense
- Package options: DIP16 and SO16
Buy the STMicroelectronics L5991A – Reliable PWM Controller for Industrial Applications
Purchase the STMicroelectronics PWM Controller today to enhance your power supply designs with reliable protection features, programmable soft start, and synchronization capabilities. Designed for industrial and manufacturing applications, this high-performance device supports up to 1MHz switching frequency, with a maximum duty cycle of 100% and 50% limit. Its robust architecture provides excellent overload protection, low start-up current, and high-current drive for power MOSFETs. Available in DIP16 and SO16 packages, ensuring easy integration into your designs. Order now for efficient power management and superior performance.
Get STMicroelectronics L5991A today—built for precision, high-current drive, and long-lasting durability in power supply solutions.
Frequently Asked Questions
Where can I buy STMICROELECTRONICS L5991AD?
You can click on the BUY or RFQ button to purchase L5991AD from an authorized STMICROELECTRONICS distributor.
How do I troubleshoot issues or seek technical support for part L5991AD?
You can download the L5991AD datasheet or visit the STMICROELECTRONICS website for support.
Who is the manufacturer of L5991AD?
STMICROELECTRONICS