SP6850BS26RG datasheet(5/10 Pages) SYNC-POWER

Part #	SP6850BS26RG

Description	Green-Mode PWM Controller

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Manufacturer	SYNC-POWER [SYNC POWER Crop.]

Direct Link	http://www.syncpower.com

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5 / 10 page

2007/04/10

Ver.3

Page 5

SP6850

Green-Mode PWM Controller

ELECTRICAL CHARACTERISTICS

(TA=25 , V

℃

CC=15V, unless otherwise specified.)

Symbol

Parameter

Conditions

Min.

Typ.

Max.

Unit

Supply Voltage ( Vcc Pin )

Istt

Startup

Current

8

20

uA

Iop

Operating Current

VCOMP = 3V

2

4

mA

UVLO (off) Min. Operating Voltage

9.0

10.0

11.0

V

UVLO (on ) Start Threshold Voltage

15.0

16.0

17.0

V

OVP Level Over Voltage Protection

28

36

V

Voltage Feedback ( Comp Pin )

Isc

Short Circuit Current

2.2

3.0

mA

Vop

Open Loop Voltage

5.0

V

VTH(GM)

Green Mode Threshold VCOMP

2.35

V

Oscillator ( RT Pin )

FOSC

Frequency

RT=100KΩ

60.0

65.0

75.0

KHz

FOSC(GM) Green Mode Frequency

Fs=65.0KHz

20

KHz

Fdt

Frequency Variation versus Temp. Deviation (-40°C ~105°C)

3

%

Fdv

Frequency Variation versus VCC Deviation

(VCC=11V-25V)

1

%

Current Sensing ( CS Pin )

SP6850BD8TG

SP6850BS26RG

0.8

0.85

0.9

Vcs(off)

Maximum Input Voltage

SP6850AD8TG

SP6850AS26RG

0.7

0.75

0.8

V

Zcs

Input impedance

50

KΩ

TPD

Delay to Output

150

nS

Gate Driver Output ( OUT Pin )

DC (Max)

Maximum Duty Cycle

70

75

80

%

DC (Min)

Minimum Duty Cycle

0

%

VOL

Output Low Level

VCC=15V,

Io=20mA

1

V

VOH

Output High Level

VCC=15V,

Io=20mA

8

V

Tr

Rising Time

Load Cap=1000pF

50

200

nS

Tf

Falling Time

Load Cap=1000pF

30

120

nS

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SP6850BS26RG Datasheet(PDF) 5 Page - SYNC POWER Crop.

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