Datasheet

AMP Meter 1

Dimmer

MaxMin

AC Source

LED Load

AMP Meter 2

Volt Meter 1

Test Setup

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5 Test Setup

5.1 Test Equipment

Voltage Source: 180 V

RMS

to 270 V

RMS

isolated AC source Agilent 6812B

Multimeters: Agilent 34410A

Power Meter: WT210 Digital Power Meter (Voltech)

Output Load: 10 LEDs in series (VF = 3.2 V at 350 mA per LED)

Oscilloscope: DPO4054 (TEKTRONIX)

Operating Temperature: 25°C

Recommended Wire Gauge: 18 AWG not more than two feet long

5.2 Recommended Test Setup

Figure 2. LM3447-PAR-230VEVM Recommended Test Set Up

5.3 List of Test Points

Table 2. Test Points Functions

TEST POINTS NAME DESCRIPTION

J3-1 Line 230 V

neutral connection

J3-2 Neutral 230 V

line voltage

LED+ LED anode connection

LED- LED cathode connection

LM3447-PAR-230VEVM is a Phase-Dimmable, Primary-Side Regulated LED SLUUA02–AUGUST 2012

Driver

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