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.
ZLED7030
High Current 40V LED Driver with Switch Dimming
ZLED7x30 Block Diagram
6 to 40 VDC
V
S
I
SENSE
(C1)
C2
0.1µF
1
VCC
2
Rs
D1
(C3)
n LED
L1
33µH to
220µH
V
IN
VCC
SD
Power
Supply,
Oscillator
and
Under-
Voltage
Detection
(UV)
VDDA
VDDD
I
SENSE
V
REF
UV
POR
CLK
SD
S
V
IN
Power
MOS
8
LX
I
SENSE
And
Driver
DR
SD
6
DIM1
DIM2
5
Analog
Dim
Logic
Dim
Select
Shut-
down
Trim
ZLED7x30
GND
7
Typical Applications
Illuminated LED signs and other displays
LED street and traffic lighting (low voltage)
Architecture/building LED lighting
LED backlighting
Interior/exterior LED lighting
MR16 LED spot lights
Retrofit LED lighting fixtures
General purpose industrial and consumer LED applications
Ordering Information
Product Sales Code Description
ZLED7030-ZI1R
ZLED7330-ZI1R
ZLED7530-ZI1R
ZLED7730-ZI1R
ZLED7030KIT-D1
ZLED-PCB8
ZLED7030 – High Current (1200mA) 40V LED Driver with Switch Dimming
ZLED7330 – High Current (1000mA) 40V LED Driver with Switch Dimming
ZLED7530 – High Current (750mA) 40V LED Driver with Switch Dimming
ZLED7730 – High Current (350mA) 40V LED Driver with Switch Dimming
ZLED7030-D1 Demo Board, 1 ZLED-PCB8 and 5 ZLED7030 ICs
Test PCB with one 5W white High Brightness (HB) LED, cascadable to one
multiple LED string
Package
SOP-8 (Tape & Reel)
SOP-8 (Tape & Reel)
SOP-8 (Tape & Reel)
SOP-8 (Tape & Reel)
Kit
Printed Circuit Board (PCB)
Sales and Further Information
Zentrum Mikroelektronik
Dresden AG (ZMD AG)
Grenzstrasse 28
01109 Dresden
Germany
Phone +49 (0)351.8822.7.533
Fax
+49 (0)351.8822.8.7533
www.zmdi.com
Zentrum Mikroelektronik
Dresden AG, Japan Office
2nd Floor, Shinbashi Tokyu Bldg.
4-21-3, Shinbashi, Minato-ku
Tokyo, 105-0004
Japan
Phone +81.3.6895.7410
Fax
+81.3.6895.7301
LED_Drivers@zmdi.com
ZMD FAR EAST, Ltd.
3F, No. 51, Sec. 2,
Keelung Road
11052 Taipei
Taiwan
Phone +886.2.2377.8189
Fax
+886.2.2377.8199
ZMD America, Inc.
8413 Excelsior Drive
Suite 200
Madison, WI 53717
USA
Phone
Fax
+1 (608) 829-1987
+1 (631) 549-2882
DISCLAIMER: This information applies to a product under development. Its characteristics and specifications are subject to change without notice. Zentrum Mikroelektronik Dresden AG (ZMD AG) assumes no obligation
regarding future manufacture unless otherwise agreed to in writing. The information furnished hereby is believed to be true and accurate. However, under no circumstances shall ZMD AG be liable to any customer, licensee, or
any other third party for any special, indirect, incidental, or consequential damages of any kind or nature whatsoever arising out of or in any way related to the furnishing, performance, or use of this technical data. ZMD AG
hereby expressly disclaims any liability of ZMD AG to any customer, licensee or any other third party, and any such customer, licensee and any other third party hereby waives any liability of ZMD AG for any damages in
connection with or arising out of the furnishing, performance or use of this technical data, whether based on contract, warranty, tort (including negligence), strict liability, or otherwise
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.
ZLED7030
High Current 40V LED Driver with Switch Dimming
Contents
1
IC Characteristics .......................................................................................................................................................... 6
1.1
1.2
1.3
1.4
2
2.1
2.2
2.3
2.4
Absolute Maximum Ratings ................................................................................................................................... 6
ZLED7x30 Protection Features ............................................................................................................................ 14
LED Open-Load Protection ........................................................................................................................... 14
Sense Resistor Rs ........................................................................................................................................ 16
Pin Configuration and Package ................................................................................................................................... 21
Ordering Information ................................................................................................................................................... 22
Document Revision History ......................................................................................................................................... 23