R2A20114SP中文資料瑞薩數(shù)據(jù)手冊PDF規(guī)格書

Features

? Maximum Ratings

? Supply voltage Vcc: 24 V

? Junction temperature Tj: from –40 to +150 degrees centigrade

? Electrical characteristics

? VFB feedback voltage VREF: 2.5 V ± 1.5

? UVLO (Undervoltage Lockout) operation start voltage VH: 10.4 V ± 0.7 V

? UVLO operation shutdown voltage VL: 8.9 V ± 0.5 V

? UVLO hysteresis voltage Hysuvl : 1.5 V ± 0.5 V

? Functions

? Boost converter control with continuous conduction mode

? Interleaving control

? Frequency modulation (*2)

? Brownout

? Phase drop (*1)

? External clock synchronization input

? External clock synchronization output (*1)

? Two modes of over voltage protections

Mode 1: Dynamic OVP preventing over voltage after sudden variation of load.

Mode 2: Static OVP preventing over voltage in the period of normal operation.

? Feedback loop wire breaking/open detector

? Dual over voltage protection circuits (*1): FB and OVP2 terminals

? Current balance control

? Phase 1 and Phase 2 independent over current protection

? Package line-up

Pb-free LQFP-40 (R2A20104FP, R2A20114FP)

Pb-free SOP-20 (R2A20104SP, R2A20114SP)