IC manufacturers Renesas

IC manufacturers (96)

Renesas RAA211403

40V, 300mA ultra-low quiescent current Step-down regulator 3.3V fixed output

Overview

TopologyBuck Converter
Input voltage7-40 V
Switching frequency210-380 kHz
Output 13.3 V / 0.3 A
IC revision1.02

Description

The RAA211403 and RAA211405 are tiny, easy-to-use, ultra-low quiescent current (IQ) buck regulators with a wide input voltage range of 7V to 40V and up to 300mA output current. RAA211403 has a fixed output voltage of 3.3V, and the RAA211405 output voltage is 5V.

Features

  • 7V to 40V input supply range
  • Up to 300mA output current
  • IQ = 4μA at 40V, at no load conditions, switching
  • IQ = 2.5μA at 40V at no load and no switchingconditions
  • RAA211403 is fixed 3.3V VOUT, RAA211405 is fixed 5V VOUT
  • Minimum on-time of 75ns
  • Variable frequency operation, frequencyprogrammed by external inductor (4.7μH to 15μH)
  • Pre-bias, monotonic, and smooth start-up
  • Protections: Overcurrent (OC) Limit, input Undervoltage Lockout (UVLO), Over-Temperature Protection (OTP), output Overvoltage Protection (OVP)
  • Accurate EN threshold
  • Package: TSOT23-5 (2.9mm×1.63mm)

Typical applications

  • Industrial power supplies, Embedded systems and I/O supplies
  • Home/Industrial Automation, E-Bikes, Power tools

Products