1 Features

• Configured for a wide range of applications

– Input voltage range: 4.5V to 30V

– Selectable adjustable output (TPS542021), fixed 5V output (TPS542025)

– Continuous output current: up to 2A

– Reference voltage: 0.6V ± 1.5% (25°C)

– Supports low drop out mode

• High efficiency

– Integrated MOSFETs: 100mΩ and 60mΩ

– Low 2μA shutdown, 26μA quiescent current

– Pulse frequency modulation (PFM) for high light load efficiency

• Ease of use

– Peak current mode control with internal loop compensation

– Fixed switching frequency: 500kHz

– Internal soft start: 5ms

– Frequency spread spectrum to reduce EMI

– Overcurrent protection for both MOSFETs with hiccup mode protection

– Non-latched protection for over temperature protection (OTP), overcurrent protection (OCP), overvoltage protection (OVP), and undervoltage lockout (UVLO)

– P2P, B2B with TPS54202

– SOT-23 (6), SOT-563 package