FC9910B datasheet(3/10 Pages) FS

Il numero della parte	FC9910B

Spiegazioni elettronici	Universal High Brightness LED Driver

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Produttore elettronici	FS [First Silicon Co., Ltd]

Homepage	http://www.firstsilicon.co.kr/

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3 / 10 page

FC9910B

2013. 08. 29

3/10

Revision No : 1

Specifications

(TA = 25°C unless noted otherwise)

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VINDC

Input DC supply voltage range

8.0

450

V

DC input voltage

IINsd

Shut-Down mode supply current

0.5

1

mA

Pin PWM_D to GND, VIN = 8V

VDD

V

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5

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0

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VIN = 8–450V, IDD(ext)=0, pin Gate

open

VDDmax

V

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When an external voltage applied

to pin Vdd

IDD(ext)

VDD current available for external circuitry

1

1.0

mA

VIN = 8–100V

UVLO

VDD undervoltage lockout threshold

6.45

6.7

6.95

V

Vin rising

∆UVLO

VDD undervoltage lockout hysteresis

500

mV

Vin falling

VEN(lo)

V

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IN = 8–450V

VEN(hi)

Pin PWM_D input high voltage

2.4

V

VIN = 8–450V

REN

Pin PWM_D pull-down resistance

50

100

150

kΩ

VEN = 5V

VCS(hi)

Current sense pull-in threshold voltage

225

250

275

mV

@TA = -40

°C to +85°C

VGATE(hi)

V

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DD-0.3

VDD

V

IOUT = 10mA

VGATE(lo)

I

V

3

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OUT = -10mA

fOSC

Oscillator frequency

20

80

25

100

30

120

kHz

ROSC = 1.00MΩ

ROSC = 226kΩ

DMAXhf

Maximum Oscillator PWM Duty Cycle

100

%

FPWMhf = 25kHz, at GATE, CS to

GND. GBD

VLD

Linear Dimming pin voltage range

0

250

mV

@TA = <85

°C, Vin = 12V

TBLANK

Current sense blanking interval

150

215

280

ns

VCS = 0.55VLD, VLD = VDD

tDELAY

Delay from CS trip to GATE lo

300

ns

Vin = 12V, VLD = 0.15, VCS = 0 to

0.22V after TBLANK

tRISE

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GATE = 500pF

tFALL

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GATE = 500pF

1 Also limited by package power dissipation limit, whichever is lower.

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