RT8497 datasheet(7/12 Pages) RICHTEK

Part #	RT8497

Description	Power MOSFET Integrated High Efficiency BCM LED Driver

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Manufacturer	RICHTEK [Richtek Technology Corporation]

Direct Link	http://www.richtek.com

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7 / 12 page

RT8497

is a registered trademark of Richtek Technology Corporation.

DS8497-01

July

2015

www.richtek.com

7

Efficiency vs. Input Voltage

75

80

85

90

95

100

85

105

125

145

165

185

205

225

245

265

Input Voltage (V)

VIN_AC = 90V to 264V

IOUT = 320mA, LED 16pcs,

L = 470μH

RT8497A

Output Current vs. Input Voltage

270

280

290

300

310

320

330

340

350

360

370

85

105

125

145

165

185

205

225

245

265

Input Voltage (V)

VIN_AC = 90V to 264V

IOUT = 320mA, LED 16pcs,

L = 470μH

RT8497A

Power Factor vs. Input Voltage

0.70

0.75

0.80

0.85

0.90

0.95

1.00

85

105

125

145

165

185

205

225

245

265

Input Voltage (V)

VIN_AC = 90V to 264V

IOUT = 320mA, LED 16pcs,

L = 470μH

RT8497A

VIN_AC = 264V

Input and Output Current

Time (5ms/Div)

VIN

(500V/Div)

VOUT

(50V/Div)

IIN

(200mA/Div)

IOUT

(500mA/Div)

IOUT = 320mA, LED 16pcs, L = 470μH

Power On

Time (100ms/Div)

VIN

(500V/Div)

VOUT

(20V/Div)

IOUT

(200mA/Div)

VIN_AC = 264V

IOUT = 320mA,

LED 16pcs

, L = 470μH

Power Off

Time (100ms/Div)

VIN

(500V/Div

VOUT

(20V/Div)

IOUT

(200mA/Div)

VIN_AC = 264V

IOUT = 320mA,

LED 16pcs

, L = 470μH

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RT8497 Datasheet(PDF) 7 Page - Richtek Technology Corporation

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