ZLED7730ZI1R ZMDI, ZLED7730ZI1R Datasheet - Page 5

• Manufacturer Part Number: ZLED7730ZI1R
• Description: LED Lighting Drivers LED driver
• Manufacturer: ZMDI

Specifications of ZLED7730ZI1R

• Rohs: yes
• Input Voltage: 8.5 V to 40 V
• Operating Frequency: 1 MHz
• Maximum Supply Current: 600 uA
• Output Current: 0.35 A
• Maximum Operating Temperature: + 105 C
• Mounting Style: SMD/SMT
• Package / Case: SOP-8
• Minimum Operating Temperature: - 40 C
• Power Dissipation: 500 mW

List of Figures
Figure 1.1
Figure 1.2
Figure 1.3
Figure 1.4
Figure 1.5
Figure 1.6
Figure 1.7
Figure 1.8
Figure 3.1
Figure 3.2
Figure 3.3
Figure 5.1
List of Tables
Table 2.1
Table 3.1
Table 5.1
Table 5.2
Data Sheet
August 16, 2011
ZLED7730
High Current 40V LED Driver with Switch Dimming
ZLED7x30 Supply Operating Current vs. Input Supply Voltage (V
Efficiency (%) vs. Input Supply Voltage (V
Efficiency vs. Input Supply Voltage (V
Efficiency vs. Input Supply Voltage (V
Output Current Variation vs. Input Supply Voltage (V
(Rs=0.15 , L1=47µH) .................................................................................................................................. 10
Sense Voltage vs. Operating Temperature (Rs=0.10 , L1=47µH, V
Switch Dimming Waveform (Dimming Mode 2) ............................................................................................ 11
LED Open-Circuit Protection (Rs=0.30 , L1=47µH, V
ZLED7x30 Application Circuit for Switch Dimming ....................................................................................... 15
Basic ZLED7x30 Application Circuit with Output Current Determined only by Rs ........................................ 15
ZLED7x30 Application Circuit using a Halogen Electronic Transformer to Operate with AC Line Supply .... 16
ZLED7x30 Pin Configuration ........................................................................................................................ 21
Dimming Configuration Options .................................................................................................................... 14
Recommended Values for Sense Resistor Rs.............................................................................................. 17
ZLED7x30 Pin Descriptions—SOP-8 Package............................................................................................. 21
Package Dimensions SOP-8 ........................................................................................................................ 22
© 2011 Zentrum Mikroelektronik Dresden AG — Rev.1.2
All rights reserved. The material contained herein may not be reproduced, adapted, merged, translated, stored, or used without
the prior written consent of the copyright owner. The information furnished in this publication is subject to changes without notice.
IN
IN
= 8.5 to 40V) Per Number of LEDs (Rs=0.15 , L1=47µH) .............. 9
= 8.5 to 40V)
IN
= 8.5 to 40V) Per Number of LEDs (Rs=0.10 , L1=47µH)........ 8
IN
‡
IN
Per Number of LEDs (Rs=0.30 , L1=47µH) ............. 9
= 8.5 to 40V) Per Number of LEDs
= 24 V) .................................................................. 12
IN
= 8.5 to 40V) ......................................... 8
IN
= 40 V) ............................................ 10
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