TPS54228DDAR

Features：

23• D-CAP2™ Mode Enables Fast Transient Response

• Low Output Ripple and Allows Ceramic Output Capacitor

• Wide VIN Input Voltage Range: 4.5 V to 18 V • Output Voltage Range: 0.76 V to 7.0 V • Highly Efficient Integrated FETs Optimized for Lower Duty Cycle Applications

  – 155 mΩ (High Side) and 108 mΩ (Low Side)

• High Efficiency, less than 10 μA at shutdown

• High Initial Bandgap Reference Accuracy

• Adjustable Soft Start

• Pre-Biased Soft Start

• 700-kHz Switching Frequency (fSW) • Cycle By Cycle Over Current Limit

• Auto-Skip Eco-mode™ for High Efficiency at Light Load

APPLICATIONS

• Wide Range of Applications for Low Voltage System

  – Digital TV Power Supply

  – High Definition Blu-ray Disc™ Players

  – Networking Home Terminal

  – Digital Set Top Box (STB)

DESCRIPTION

The TPS54228 is an adaptive on-time D-CAP2™ mode synchronous buck converter. The TPS54228 enables system designers to complete the suite of various end-equipment power bus regulators with a cost effective, low component count, low standby current solution. The main control loop for the TPS54228 uses the D-CAP2™ mode control that provides a fast transient response with no external compensation components. The adaptive on-time control supports seamless transition between PWM mode at higher load conditions and Eco-mode™ operation at light loads. Eco-mode™ allows the TPS54228 to maintain high efficiency during lighter load conditions. The TPS54228 also has a proprietary circuit that enables the device to adopt to both low equivalent series resistance (ESR) output capacitors, such as POSCAP or SP-CAP, and ultra-low ESR ceramic capacitors. The device operates from 4.5-V to 18-V VIN input. The output voltage can be programmed between 0.76 V and 7 V. The device also features an adjustable soft start time. The TPS54228 is available in the 8-pin DDA package, and designed to operate from –40°C to 85°C.

Request a quote TPS54228DDAR at censtry.com. All items are new and original with 365 days warranty! The excellent quality and guaranteed services of TPS54228DDAR In Stock for Sale, Check stock quantity and pricing, view product specifications, and order contact us：sales@censtry.com
The price and lead time for TPS54228DDAR depending on the quantity required, Please send your request to us, Our sales team will provide you price and delivery within 24 hours, We sincerely look forward to cooperating with you.