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