供应微源 LP6451B6F 同步BUCK开关变换器

微源半导体 LP6451B6F SOT23-6 18V/3A同步BUCK开关变换器

Features

● Wide input voltage range: 4.2V – 18V

● Output voltage range: Vref – 7V

● High efficiency operation

Integrated an 75-mΩ LS-MOSFET and an 110-mΩ HS-MOSFET

90% efficiency at 2A load from 12V to 5V conversion

● Automatic PFM mode at light load

● ±1% Vref accuracy

● Typical 1.2-MHz switching frequency

● COT control scheme with fast load transient response

● Hiccup protection

● Integrated UVLO, OVP, OCP, SCP, and OTP protections

● 1.25ms typical soft-start time

● 1.6mm Χ 2.9mm SOT23-6 package

● RoHS Compliant and 100％ Lead (Pb) Free

LP6451B6F Applications

● Industrial PC

● Network/digital video recorder (NVR/DVR)

● TV and TV box

● 12V Industrial bus applications

LP6451B6F产品规格书