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- products
- power ic
fr9206f
production
18v, 3a synchronous step-down dc/dc converter
applications
the fr9206f is a synchronous step-down dc/dc converter with fast constant on time (fcot) mode control. the device provides 4.5v to 18v input voltage range and 3a continuous load current capability. it is constant on time pulse width modulation (pwm) controller that supports fcot mode control. operation frequency depends on input and output voltage condition.
the fr9206f fault protection includes cycle-by-cycle current limit, short circuit protection, uvlo and thermal shutdown. the soft-start function prevents inrush current at turn-on. the fr9206f use fast constant on time control that provides fast transient response, the noise immunity and all kinds of very low esr output capacitor for ensuring performance stabilization.
the fr9206f is offered in tsot-23-6 and sot-563-6 packages, which provides good thermal conductance.
- low rds(on) integrated power mosfet (80mω/40mω)
- wide input voltage range: 4.5v to 18v
- output voltage range: 0.768v to 8v (fr9206fs9)
- output voltage range: 0.8v to 8v (fr9206fsd)
- 3a output current
- fcot mode enables fast transient response
- pseudo 500khz frequency
- input under voltage lockout
- internal 1.5ms soft-start
- cycle-by-cycle current limit
- hiccup short circuit protection
- over temperature protection with auto recovery
- tsot-23-6 and sot-563-6 packages
| part name | package | request | |
|---|---|---|---|
| fr9206fs9 | tsot-23-6 |
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| fr9206fsd | sot-563-6 |
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