Reference Design

AL9910EV8

Non-Dimmable 120VAC

Evaluation Board

Case #1:

(Input=120VAC; Output=48V/90mA)

Case #2:

(Input=120VAC; Output=96V/45mA)

Applications: B10 Light Bulbs

-Customer: Cree-

Date: October 27, 2011

This document contains Diodes confidential and proprietary information

AL9910EV8 120VAC ND Ref Design Report October 2011

AL9910-EV8 (10/27/2011) Page 2 of 14

Table of Contents

1. PURPOSE ................................................................................................................... 3

2. EVALUATION BOARD INFORMATION .............................................................................. 4

2.1 AL9910 Pin Assignment and Description ..................................................... 4

2.2 Evaluation Board Schematic .......................................................................... 5

2.3 Evaluation Board BOM List ............................................................................ 6

2.4 Evaluation Board Layouts .............................................................................. 8

2.5 Evaluation Board Snapshots ......................................................................... 9

3. LED OUTPUT ........................................................................................................... 10

4. EVALUATION BOARD TESTING SUMMARY ................................................................... 11

4.1 Testing Results (case #1): ............................................................................ 11

4.2 Testing Results (case #2): ............................................................................ 12

5. CONCLUSION ............................................................................................................ 13

AL9910EV8 120VAC ND Ref Design Report October 2011

AL9910-EV8 (10/27/2011) Page 3 of 14

1. PURPOSE

Introduction

We are using our AL9910 Non-Dimmable board to evaluate two test condition requirements using high-

power LEDs from Cree for functional performance.

1) Test condition requirement #1: VIN=120VAC; OUT=48V/90mA.

2) Test condition requirement #2: VIN=120VAC; OUT=96V/45mA.

Customer: Cree

Features

Non-Dimmable

Selectable 5W-8W output power

Active PFC with power factor >0.9

No electrolytic capacitor

High temperature operation

Long operating life

Typical Applications: Retrofit B10/E27 LED Light Bulbs

Specifications

Parameter

Units

Value

AC Input Voltage

V, AC

90 - 140

DC Output Voltage

V, DC

40 – 98

Output Current

mA

45 - 90

Output Power

W

3 – 6

Power Factor

NA

>0.9

Efficiency

%

87%-90%

Operating Ambient temperature

C

-40 to +85

Operating Junction Temperature

C

-40 to +125

ROHS Compliance

NA

Yes

Test conditions:

Input Voltage: 120VAC, 60Hz

Output Voltage: 40VDC - 98VDC

Operating Ambient Temperature: -40°C to 85°C

Connection Instructions:

AC+ Input: Red – Hot

AC- Input: Black - Neutral

DC LED+ Output: LED+ (Red)

DC LED- Output: LED- (Black)

Board Dimension (components included):

WxLxH (in mm) = 18mm x 25mm x 13mm

Part #	CRCW04021K00FKED
Description	RES THKFLM 0402 1K OHM 1% 1/16W 100PPM/ C SMD - Cut TR (SO
Category	RESISTOR
Availability	In Stock
Qty	10033

Qty	Price
1 - 2,106	$0.04145
2,107 - 4,213	$0.03297
4,214 - 6,320	$0.03109
6,321 - 8,427	$0.02889
8,428 +	$0.02575

Manufacturer	Available	Qty
Vishay Date Code: 1241	Freelance Stock: 33 Ships Immediately
Vishay Date Code: 1601	Freelance Stock: 10000 Ships Immediately

CRCW04021K00FKED

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