TPS54302DDCR

TPS54302DDCR is a 4.5-28V input, 3A synchronous buck power management chip launched by Texas Instruments (TI). It adopts SOT-23-6 small package, with a switching frequency of 580 kHz, built-in high/low side MOSFETs, supports Eco mode energy-saving mode, and features low static current, fast transient response, overcurrent/over temperature protection, etc. It provides an efficient, compact, and easy-to-use 3A power conversion solution for industrial, communication, consumer electronics and other systems.

Product Detail

product detail

Input voltage 4.5 V~28 V Output current 3 A (continuous) Output voltage 0.8 V~22 V (adjustable) Switching frequency 580 kHz (fixed) Efficiency peak 95% (12 V → 5 V/3 A) Static current 25 μ A (typical) Package SOT-23-6 (2.9 × 1.6 mm) 2. Functional characteristics Synchronous rectification: built-in high/low side MOSFETs to reduce conduction losses Eco mode: Automatic frequency reduction under light load to improve light load efficiency Fast Transient: Current mode control, fast response, small overshoot Fully protected: Overcurrent protection (OCL) Over temperature protection (OTP) Undervoltage lockout (UVLO) CYCLE-BY-CYCLE CURRENT LIMIT 3. Application Industrial sensors PLC、 transmitter Communication base station, router, switch Consumer electronics: set-top boxes, projectors, smart speakers Battery powered equipment: electric tools, portable instruments“