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LinkSwitch-CV Dramatically simplifies low power power supply designs by eliminating an optocoupler and secondary control circuitry.
Typical Application/Performance – Not a Simplified Circuit (a) and Output Characteristic Envelope (b).
The LinkSwitch-CV dramatically simplifies CV power supply design with tight CV requirements and by eliminating an optocoupler and secondary control circuitry. The device introduces a revolutionary control technique to provide very tight output voltage regulation, along with input voltage variations and temperature. The device incorporates a 700 V power MOSFET, a novel On/Off control state machine, a high voltage switched current source for self biasing, frequency jittering, cycle-by-cycle current limit and hysteretic thermal shutdown circuitry onto a monolithic IC.
Dramatically Simplifies CV Converters · Eliminates optocoupler and all secondary CV control circuitry · Eliminates bias winding supply – IC is self biasing Advanced Performance Features · Compensates for external component temperature variations · Very tight IC parameter tolerances using proprietary trimming technology · Frequency jittering greatly reduces EMI filter cost · Even tighter output tolerances achievable with external resistor selection/trimming Advanced Protection/Safety Features · Auto-restart protection reduces delivered power by <95% for output short circuit and all control loop faults (open and shorted components) · Hysteretic thermal shutdown – automatic recovery reduces power supply returns from the field · Meets HV creepage requirements between Drain and all other pins, both on the PCB and at the package
· DVD/STB · Adapters · Standby and auxiliary supplies · Home appliances, white goods and consumer electronics 產品分為 DC-DC Converter IC and AC-DC Converter IC:
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