LNK364 IC – Low Power Offline Switcher IC

The LNK364 incorporates a 700 V power MOSFET, oscillator, simple ON/OFF control scheme, a high voltage switched current source, frequency  jittering, cycle-by-cycle current  limit  and thermal shutdown circuitry onto a monolithic IC. The start-up and operating  power are derived directly from the DRAIN pin, eliminating the need for a bias winding and associated circuitry.  

SKU: RW-02146

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Description

The LNK364 incorporates a 700 V power MOSFET, oscillator, simple ON/OFF control scheme, a high voltage switched current source, frequency  jittering, cycle-by-cycle current  limit  and thermal shutdown circuitry onto a monolithic IC. The start-up and operating  power are derived directly from the DRAIN pin, eliminating the need for a bias winding and associated circuitry.  

Features:-

? Proprietary IC trimming and transformer construction techniques enable Clampless? designs with LNK362 for lower system cost, component count and higher efficiency

? Fully integrated auto-restart for short circuit and open loop protection

? Self-biased supply ? saves transformer auxiliary winding and associated bias supply components

? Frequency jittering greatly reduces EMI

? Meets HV creepage requirements between DRAIN and all other pins both on the PCB and at the package

? Lowest component count switcher solution

Specification:-

Symbol Parameter Min Type Max Units
tLEB Leading Edge Blanking Time 170 250
ns
I2f Power Coefficient 7425 8250
A2Hz
TILD Current Limit Delay
125
ns
TSD Thermal Shutdown Temperature 135 142 150 ?C
TSHD Thermal Shutdown Hysteresis
75
?C


Related Document:- 

 LNK364 IC Data Sheet

XT
 incorporates a 700 V power MOSFET, oscillator, 
source,  frequency  jittering,  cycle-by-cycle  current  limit  and

Additional information

Operating voltage

2.5 3.0V

Pixel Resolution

0.3MP

Photosensitive array

640 x 480

Optical Size

1.6 inch

Angel of view

67 degrees

Maximum Frame Rate

30fps VGA

Sensitivity

1.3V/(Lux-sec)

Dormancy

Less than 20A

Power consumption

60mW/15fpsVGA YUV

Temperature operation Range

-30 C ~ 70 C

Pixel area

3.6 x 3.6 m

Signal to noise ratio (SNR)

46 dB

Dynamic range

52 dB

Specification

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