FSQ0465RUWDTU 查看數據表（PDF） - Fairchild Semiconductor

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FSQ0465RUWDTU

Green-Mode Fairchild Power Switch (FPS™) for Quasi-Resonant Operation - Low EMI and High Efficiency

Fairchild Semiconductor 

Electrical Characteristics

TA = 25°C unless otherwise specified.

Symbol

Parameter

SenseFET Section

BVDSS Drain Source Breakdown Voltage

IDSS1 Zero-Gate-Voltage Drain Current 1

IDSS2 Zero-Gate-Voltage Drain Current 2

RDS(ON) Drain-Source On-State Resistance

COSS Output Capacitance

td(on)

Turn-On Delay Time

tr

Rise Time

td(off)

Turn-Off Delay Time

tf

Fall Time

Control Section

tON.MAX

tB

tW

fS

ΔfS

tAVS

VAVS

Maximum On Time

Blanking Time

Detection Time Window

Initial Switching Frequency

Switching Frequency Variation(11)

AVS Triggering

Threshold(11)

On Time

Feedback

Voltage

tSW

Switching Time Variance by AVS(11)

IFB

Feedback Source Current

DMIN

Minimum Duty Cycle

VSTART

VSTOP

UVLO Threshold Voltage

tS/S

Internal Soft-Start Time

VOVP Over-Voltage Protection

Burst-ModeSection

VBURH

VBURL

Hysteresis

Burst-Mode Voltages

Condition

Min. Typ. Max. Unit

VCC=0V, ID=250µA

VDS=650V, VGS=0V, TC=25oC

VDS=520V, VGS=0V, TC=125oC

TJ=25°C, ID=0.5A

VGS=0V, VDS=25V, f=1MHz

VDD=325V, ID=3.5A

VDD=325V, ID=3.5A

VDD=325V, ID=3.5A

VDD=325V, ID=3.5A

650

V

250 µA

250 µA

3.5 4.0 Ω

45

pF

12

ns

22

ns

20

ns

19

ns

TJ=25°C

TJ=25°C, Vsync=5V

TJ=25°C, Vsync=0V

-25°C < TJ < 85°C

at VIN=240VDC, Lm=360μH

(AVS Triggered when VAVS >

Spec. and tAVS < Spec.)

Sync=500kHz Sine Input

VFB=1.2V, tON=4.0µs

VFB=0V

VFB=0V

After Turn-On

With Free-Running Frequency

8.8 10.0 11.2 µs

13.5 15.0 16.5 µs

6.0

µs

59.6 66.7 75.8 kHz

±5 ±10 %

4.0

µs

1.2

V

13.5

20.5 µs

700 900 1100 µA

0%

11 12 13 V

7.5 8.0 8.5 V

17.5

ms

18 19 20 V

TJ=25°C, tPD=200ns(10)

0.45 0.55 0.65 V

0.25 0.35 0.45 V

200

mV

Continued on the following page...

© 2009 Fairchild Semiconductor Corporation

FSQ0465RU Rev. 1.0.0

6

www.fairchildsemi.com

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