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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

Input voltage

90

264

Input current

0.175

1.1

PF

Power factor

0.95

0.97

OUTPUT CHARACTERSTICS

PFC Stage

PFC output voltage

235

415

VDC

LED Driver Stage

Output power

45

80

100

W

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%

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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