NCP4355CDR2G Просмотр технического описания (PDF) - ON Semiconductor

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производитель

NCP4355CDR2G

Secondary Side SMPS OFF Mode Controller for Low Standby Power

ON Semiconductor 

Figure 28. Typical Application States and Waveforms in OFF Mode with Active On Primary Controller

http://onsemi.com

14

1 kHz

12%

wide

pulses

1 kHz 12% wide

pulses

ILED

IBIASV switched on

IBIASV

switched off VMIN Threshold

10% VCC

VOFFDET

VSNS VREF

VMIN

IONOFF

VREM_prim

Max IFBC at

off mode

VOUT

IOUT

IFBC

VFB_Prim

OFF

ON

OFF

SKIP

VAUX

ON

VCC_Prim VCCON

Status

NCP4355

Very low IOUT activates OFF mode with rarely COUT charging

Start up, IOUT nominal or low

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