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ONSEMI UC3845BD1G Current Mode Controller
The UC3845B series are high-performance fixed-frequency current mode controllers designed for off-line and dc-dc converter applications. They feature an oscillator, temperature-compensated reference, high gain error amplifier, current sensing comparator, and a high-current totem pole output suitable for driving power MOSFETs. Integrated safety features include undervoltage lockout, cycle-by-cycle current limiting, and adjustable deadtime from 50% to 70%. Available in 8-pin and 14-pin packages, these controllers are RoHS compliant, AEC-Q100 qualified, and ideal for reliable power management solutions.
ONSEMI UC3845BD1G Current Mode Controller Specifications:
- Oscillator Frequency: 250 kHz guaranteed, operational up to 500 kHz
- Output Deadtime: Programmable from 50% to 70%
- Reference Voltage: 5.0 V trimmed, with short-circuit protection
- Undervoltage Lockout (UVLO): UCX844B thresholds of 16V (on) and 10V (off); UCX845B thresholds of 8.5V (on) and 7.6V (off)
- Peak Output Current: 1.0 A
- Package Options: 8-pin SOIC, 14-pin SOIC with separate ground and power supply pins
- Power Dissipation: Up to 862 mW in SOIC-14 package at 25°C
- Operating Temperature Range: -25°C to +105°C depending on model
- RoHS Compliant and Pb-Free
- Features include cycle-by-cycle current limiting, externally adjustable deadtime, and temperature-compensated reference
- Designed for minimal external components, cost-effective and reliable power regulation
Buy the ON Semiconductor UC3845B – Reliable Current Mode Controller for Industrial Applications
Purchase the ON Semiconductor UC3845B today to ensure high efficiency and reliable operation in off-line and DC-DC converters. Its advanced features, including adjustable deadtime, cycle-by-cycle current limiting, and robust drive circuitry, make it ideal for industrial, automotive, and power supply applications. The compact 14-pin or 8-pin packages enable easy integration into your designs. Enjoy fast shipping, excellent customer support, and the assurance of quality with each order of the UC3845B. Upgrade your power electronics now!
Buy ON Semiconductor UC3845B now and experience unmatched reliability and performance in power management and industrial control systems.
Frequently Asked Questions
Where can I buy ONSEMI UC3845BD1G?
You can click on the BUY or RFQ button to purchase UC3845BD1G from an authorized ONSEMI distributor.
How do I troubleshoot issues or seek technical support for part UC3845BD1G?
You can download the UC3845BD1G datasheet or visit the ONSEMI website for support.
Who is the manufacturer of UC3845BD1G?
ONSEMI