FAN6210MY datasheet(8/11 Pages) FAIRCHILD

Numer części	FAN6210MY

Szczegółowy opis	Primary-Side Synchronous Rectifier (SR) Trigger Controller for Dual Forward Converter

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Producent	FAIRCHILD [Fairchild Semiconductor]

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FAN6210 Rev. 1.0.1

8

SIN

SOUT

DET

300ns

100ns

700ns

Programmable delay

700ns

XP

XN

50ns

300ns

50ns

300ns

50ns

300ns

Programmable delay

Gate drive for Powering SR

Gate drive for Free-wheeling SR

SIN

SOUT

DET

300ns

100ns

700ns

Programmable delay

700ns

XP

XN

50ns

300ns

50ns

300ns

50ns

300ns

Programmable delay

Gate drive for Powering SR

Gate drive for Free-wheeling SR

Heavy load condition

Light load condition

Figure 16. Timing Diagram

t DLY_XP (ns)

R

RDLY

(kΩ)

100

150

200

250

300

350

57.5

10

12.5 15

17.5

20

22.5

25

Figure 17. Programmable Delay with Resistor

Under-Voltage Lockout (UVLO)

The power-on and -off threshold of FAN6210 are fixed

at 10V and 8V, respectively. The VDD pin can be

connected with the power source of the PWM controller.

VDD Pin Over-Voltage Protection

VDD over-voltage protection prevents damage due to

abnormal conditions. Once the VDD voltage exceeds the

VDD over-voltage protection voltage (VDD-OVP) and lasts

for tOVP, FAN6210 stops operation.

Green-Mode Operation

To improve light-load efficiency, green-mode operation

is employed, which disables the SR turn-on trigger

signal, minimizing gate drive power consumption at

light-load condition. Green mode is enabled when the

duty cycle of SIN is smaller than 10%.

Podobny numer części - FAN6210MY

Producent	Numer części	Arkusz danych	Szczegółowy opis
Fairchild Semiconductor	FAN6210MY	494Kb / 11P	Primary-Side Synchronous Rectifier (SR) Trigger Controller

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Fairchild Semiconductor	AN-6206	553Kb / 9P	Primary-Side Synchronous Rectifier (SR) Trigger Solution for Dual-Forward Converter
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