Q0765R_08 View Datasheet(PDF) - Fairchild Semiconductor

Part Name

Description

Manufacturer

Q0765R_08

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

Fairchild Semiconductor 

Electrical Characteristics (Continued)

TA = 25°C unless otherwise specified.

Symbol

Parameter

Condition

PROTECTION SECTION

ILIMIT

VSD

IDELAY

tLEB

tOSP

VOSP

tOSP_FB

TSD

Hys

Peak Current

Limit

FSQ0565R

FSQ0765R

Shutdown Feedback Voltage

Shutdown Delay Current

Leading-Edge Blanking Time(11)

TJ = 25°C, di/dt = 370mA/µs

TJ = 25°C, di/dt = 460mA/µs

VCC = 15V

VFB = 5V

Output Short

Protection(9)

Threshold Time

Threshold Feedback

Voltage

Feedback Blanking Time

TJ = 25°C

OSP triggered when tON<tOSP ,

VFB>VOSP & lasts longer than

tOSP_FB

Thermal

Shutdown Temperature

Shutdown(9) Hysteresis

SYNC SECTION

VSH1

VSL1

tsync

VSH2

VSL2

Sync Threshold Voltage 1

Sync Delay Time(11)(12)

Sync Threshold Voltage 2

VCLAMP Low Clamp Voltage

VOVP

tOVP

Over-Voltage Threshold Voltage

Protection Blanking Time(11)

TOTAL DEVICE SECTION

VCC = 15V, VFB = 2V

VCC = 15V, VFB = 2V

ISYNC_MAX = 800µA

ISYNC_MIN = 50µA

VCC = 15V, VFB = 2V

IOP

Operating Supply Current

(Control Part Only)

VCC = 13V

ISTART

ICH

Start Current

Start-up Charging Current

VCC = 10V

(before VCC reaches VSTART)

VCC = 0V, VSTR = mininmum

50V

VSTR Minimum VSTR Supply Voltage

Min. Typ. Max. Unit

2.64 3.00 3.36

A

3.08 3.50 3.92

5.5 6.0 6.5 V

4

5

6 µA

250

ns

1.2 1.4 µs

1.8 2.0

V

2 2.5 3.0 µs

125 140 155

°C

60

1.0 1.2 1.4

V

0.8 1.0 1.2

230

ns

4.3 4.7 5.1

V

4.0 4.4 4.8

0.0 0.4 0.8 V

7.4 8 9.6 V

1.0 1.7 2.4 µs

1

3

5 mA

350 450 550 µA

0.65 0.85 1.00 mA

26

V

Notes:

10. Propagation delay in the control IC.

11. Guaranteed by design, but not tested in production.

12. Includes gate turn-on time.

© 2008 Fairchild Semiconductor Corporation

FSQ0565R, FSQ0765R Rev. 1.0.1

7

www.fairchildsemi.com

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