1N4148W datasheet(3/17 Pages) TI1

Il numero della parte	1N4148W

Spiegazioni elettronici	A 0.9-A Constant Current Supply with PFC for 100-W LED

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Produttore elettronici	TI1 [Texas Instruments]

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Electrical Performance Specifications

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Electrical Performance Specifications

Table 1. UCC28810EVM-002 Electrical Performance Specifications

SYMBOL

PARAMETER

CONDITIONS

MIN

NOM

MAX

UNITS

INPUT CHARACTERSTICS

VIN

Input voltage

90

264

VRMS

IIN

Input current

0.175

1.1

ARMS

PF

Power factor

POUT = 80 W to 100 W

0.95

0.97

OUTPUT CHARACTERSTICS

PFC Stage

VOUT

PFC output voltage

235

415

VDC

LED Driver Stage

POUT

Output power

45

80

100

W

IOUT

Output current

0.84

0.9

0.96

A

Line regulation

0.03

Frequency

60

128

kHz

SYSTEMS CHARACTERSTICS

η

Full load efficiency

90%

93%

PWM Dimming(1)

Threshold

0.72

1.3

V

Frequency range

200

1000

Hz

Duty cycle

0%

90%

(1)

The PWM dimming signal is inverted, 0% duty cycle is 100% LED current.

SLUU355A – March 2009 – Revised June 2009

A 0.9-A Constant Current Supply with PFC for 100-W LED Lighting Applications

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