ZLED7x30 Datasheet

4

April 20, 2016

List of Figures

Figure 1.1

ZLED7x30 Supply Operating Current vs. Input Supply Voltage (VIN = 8.5 to 40V) ......................................... 7

Figure 1.2

Efficiency (%) vs. Input Supply Voltage (VIN = 8.5 to 40V) Per Number of LEDs (Rs=0.10

Ω, L1=47μH)........ 7

Figure 1.3

Efficiency vs. Input Supply Voltage (VIN = 8.5 to 40V) Per Number of LEDs (Rs=0.15

Ω, L1=47μH).............. 8

Figure 1.4

Efficiency vs. Input Supply Voltage (VIN = 8.5 to 40V)

‡ Per Number of LEDs (Rs=0.30

Ω, L1=47μH)............. 8

Figure 1.5

Output Current Variation vs. Input Supply Voltage (VIN = 8.5 to 40V) Per Number of LEDs (Rs=0.15

Ω, L1=47μH)9

Figure 1.6

Sense Voltage vs. Operating Temperature (Rs=0.10

Ω, L1=47μH, VIN = 40 V) .............................................. 9

Figure 1.7

Switch Dimming Waveform (Dimming Mode 2) ............................................................................................ 10

Figure 1.8

LED Open-Circuit Protection (Rs=0.30

Ω, L1=47μH, VIN = 24 V) .................................................................. 11

Figure 3.1

ZLED7x30 Application Circuit for Switch Dimming ....................................................................................... 14

Figure 3.2

Basic ZLED7x30 Application Circuit with Output Current Determined only by Rs ........................................ 14

Figure 3.3

ZLED7x30 Application Circuit using a Halogen Electronic Transformer to Operate with AC Line Supply .... 15

Figure 5.1

ZLED7x30 Pin Configuration ........................................................................................................................ 20

List of Tables

Table 2.1

Dimming Configuration Options.................................................................................................................... 13

Table 3.1

Recommended Values for Sense Resistor Rs.............................................................................................. 16

Table 5.1

ZLED7x30 Pin Descriptions—SOP-8 Package............................................................................................. 20

Table 5.2

Package Dimensions SOP-8 ........................................................................................................................ 21