Description
The FR9886 is a synchronous step-down DC/DC
converter that provides wide 4.5V to 23V input
voltage range and 2.5A continuous load current
capability.
The FR9886 fault protection includes cycle-by-cycle
current limit, UVLO, output overvoltage protection
and thermal shutdown. The adjustable soft-start
function prevents inrush current at turn-on. This
device uses current mode control scheme which
provides fast transient response. Internal
compensation function reduces external
compensation components and simplifies the design
process. In shutdown mode, the supply current is
less than 1μA.
The FR9886 is available in a SOP-8/SOP-8 exposed
pad package, and provides good thermal
conductance.
Features
● High Efficiency up to 96%
● Low Rds(on) Integrated Power MOSFET
● Internal Compensation Function
● Wide Input Voltage Range: 4.5V to 23V
● Adjustable Output Voltage from 0.925V to 20V
● 2.5A Output Current
● Fixed 340KHz Switching Frequency
● Current Mode Operation
● Adjustable Soft-Start
● Cycle-by-Cycle Current Limit
● Over-Temperature Protection with Auto Recovery
● Output Overvoltage Protection
● Under Voltage Lockout
● <1μA Shutdown Current
● SOP-8 and SOP-8 Exposed Pad Packages
Applications
● STB (Set-Top-Box)
● LCD Display, TV
● Distributed Power System
● Networking, XDSL Modem
PW代理商：深圳市夸克微科技
郑生： 13528458039
QQ ： 2867714804
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