FC9911 datasheet(4/13 Pages) FS

4 / 13 page

FC9911

2012. 10. 31

4/13

Revision No : 0

Electrical Characteristics

(Over recommended operating conditions. VIN = 24V, TA = 25°C, unless otherwise specified)

Symbol Parameter

Min

Typ Max Units Conditions

Input

VINDC Input DC supply voltage range*

(1)

250

DC input voltage

IINSD Shut-down mode supply current*

1.0

1.5

mA PWMD connected to GND, VIN=24V

Internal Regulator

VDD

Internally regulated voltage*

7.25 7.75 8.25

VIN = 9-250V, IDD(ext) = 0,

PWMD connected to GND

UVLO VDD undervoltage

lockout threshold

6.65 6.90 7.20

VDD rising

∆

UVLO VDD undervoltage

lockout hysteresis

500

mV ---

VDD(ext) Steady state external voltage that

can be applied at the VDD pin2

---

Reference

VREF

REF pin voltage

(0°C < T < 25°C)

1.225 1.25 1.275

REF bypassed with a 0.1µF capacitor

to GND; IREF = 0;

VDD = 7.75V;

PWMD = GND

REF pin voltage

(-40°C < T < 85°C)

1.2125 1.25 1.275

VREFLINE Line regulation of

reference voltage

REF bypassed with a 0.1µF capacitor

to GND; IREF = 0; VDD = 7.25 - 12V;

PWMD = GND

VREFLOAD Load regulation of

reference voltage

REF bypassed with a 0.1µF capacitor

to GND; IREF = 0-500µA;

PWMD = GND

PWM Dimming

VPWMD(lo) PWMD input low voltage*

0.80

VDD = 7.25V - 12V

VPWMD(hl) PWMD input high voltage*

2.0

VDD = 7.25V - 12V

RPWMD PWMD pull-down resistance

100 150 kΩ VPWMD = 5.0V

GATE

ISOURCE GATE short circuit current

0.2

VGATE = 0V; VDD = 7.75V

ISINK GATE sinking current

0.4

V GATE = 7.75V ; V DD = 7.75V

TRISE GATE output rise time

C GATE = 1nF; V DD = 7.75V

TFALL GATE output fall time

CGATE = 1nF; VDD = 7.75V

Over Voltage Protection

VOVP

IC shut down voltage*

1.215 1.25 1.285 V

V DD = 7.25 - 12V ; OVP rising

Current Sense

TBLANK Leading edge blanking

100

375

---

TDELAY1 Delay to output of COMP

comparator

180

COMP = VDD; CLIM = REF;

VCS = 0 to 600mV step

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