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ONSEMI CS5171GDR8G Switching Regulator

The CS5171GDR8G is a high-efficiency, 1.5 A integrated switch switching regulator operating at 280 kHz/560 kHz frequency. Suitable for various power supply configurations including boost, flyback, forward, inverting, and SEPIC, it features current mode architecture for excellent regulation. It includes overcurrent protection, thermal shutdown, and provisions for frequency synchronization and feedback control, ensuring compact design and reliable operation across wide temperature ranges in industrial and commercial environments, with Pb-Free options available.

Authorized Distributors
Source:DigiKey
Part No:CS5171GDR8G
Stock:11226
Inv Date:06-10-2026
Price: Unit price: $1.4
Buy/RFQ:
Source:DigiKey
Part No:CS5171GDR8G
Stock:128963
Inv Date:06-10-2026
Price: Unit price: $1.7
Buy/RFQ:
Part No:CS5171GDR8G
Stock:33
Inv Date:06-11-2026
Price: Unit price: $2.24
Buy/RFQ:
Part No:CS5171GDR8G
Stock:0
Inv Date:06-10-2026
Price: Unit price: $2.7
Buy/RFQ:

ONSEMI CS5171GDR8G Switching Regulator Specifications:

  • Frequency: 280 kHz/560 kHz
  • Input Voltage Range: 2.7 V to 30 V
  • Peak Switch Current: 1.5 A guaranteed
  • Protection: Overcurrent, thermal shutdown, frequency foldback
  • Package: SOIC-8, Pb-Free options available
  • Temperature Range: -40°C to 125°C (industrial grade), 0°C to 125°C (commercial grade)
  • Vout Voltage Polarity: Positive
  • Pin Compatibility: LT1372/1373
  • Switching Voltage: Up to 40 V on switch pin
  • Operating Current: Typical 8.0 mA
  • Shutdown Current: Max 60 µA
  • Efficiency: High, due to switching frequency and integrated circuitry
  • Features: Frequency synchronization, soft start, active overvoltage/overcurrent protection

Buy the ON Semiconductor CS5171GDR8G – Reliable Switching Regulator for Industrial Applications

Purchase the ON Semiconductor CS5171GDR8G now to ensure reliable and efficient power regulation in your industrial applications. Designed with advanced current mode control, it offers excellent load and line regulation, overcurrent protection, and thermal shutdown for safe operation. Its wide input voltage range from 2.7 V to 30 V and high-frequency operation enable a compact and efficient power supply design. Whether for boost, flyback, or SEPIC configurations, this component guarantees high performance, durability, and ease of integration. Buy online today and optimize your power management systems.

Get ON Semiconductor CS5171GDR8G today—built for precision, high efficiency, and long-lasting durability in power management solutions.

Frequently Asked Questions

Where can I buy ONSEMI CS5171GDR8G?

You can click on the BUY or RFQ button to purchase CS5171GDR8G from an authorized ONSEMI distributor.

How do I troubleshoot issues or seek technical support for part CS5171GDR8G?

You can download the CS5171GDR8G datasheet or visit the ONSEMI website for support.

Who is the manufacturer of CS5171GDR8G?

ONSEMI

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