FMMT458 datasheet(1/10 Pages) DIODES

Il numero della parte	FMMT458

Spiegazioni elettronici	230VAC Triac Dimmable GU10 LED Driver

PDF	10 Pages

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Produttore elettronici	DIODES [Diodes Incorporated]

Homepage	http://www.diodes.com

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AP1694AEV11 User Guide

230VAC Triac Dimmable GU10 LED Driver

AP1694AEV11 Rev2

Page 1 of 10

July 2015

www.diodes.com

General Description

This AP1694A Triac Dimmable GU10

12V/400mA Buck LEDs driver EV board use

tapped transformer to increasing power

conversion turn on duty cycle, boost

current back to LED during ratio of tapped

winding. Also the bigger gauge wire can be

used as well as the large inductance can be

suitable in switching loop which can reduce

the switching current and the lower

forward drop so that SBR diode can be used

which can reduce the power consumption

on the diodes.

Key Features

 Typical 3% to 95% Dimming

performance (Depends on dimmers

brands)

 Boundary conductive switching mode

 Simple adjustable Constant Current

 Inductor Short Protection

 Low BOM cost

 PFC >0.9 & low THD.

 200 ~265V

AC input range

 >77% Efficiency

 With open, short, and wrong polarity

LED protection

Applications

 GU10 LED Offline small size bulb

 Candle size LED lamp

 Desktop lamps

 Under the counter lamps

AP1694A EV11 Specifications

Parameter

Value

Input Voltage

200 to 265VAC

PFC

> 0.9

LED Current

400mA (Adjustable)

LED Voltage

12V

Efficiency

>77%

Number of LEDs

4 LEDs in series

(Under Tested)

XYZ Dimension

28.5 x 16.5 x 14.5mm

ROHS Compliance

Yes

Evaluation Board

Figure 1: Top View

Figure 2: Bottom View

Connection Instructions

Input Voltage: 230VAC (AC+, AC‐)

LED Outputs: LED+ (Red), LED‐ (Black)

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