ZLED7520ZI1R ZMDI, ZLED7520ZI1R Datasheet - Page 5

• Manufacturer Part Number: ZLED7520ZI1R
• Description: LED Lighting Drivers LED driver
• Manufacturer: ZMDI

Specifications of ZLED7520ZI1R

• Rohs: yes
• Input Voltage: 6 V to 40 V
• Operating Frequency: 1 MHz
• Maximum Supply Current: 600 uA
• Output Current: 0.75 A
• Maximum Operating Temperature: + 105 C
• Mounting Style: SMD/SMT
• Package / Case: DFN-5
• 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 1.9
Figure 3.1
Figure 3.2
Figure 3.3
Figure 3.4
Figure 5.1
Figure 5.2
Figure 5.3
Figure 5.4
List of Tables
Table 3.1
Table 5.1
Table 5.2
Data Sheet
August 12, 2011
ZLED7520
High Current 40V LED Driver with Internal Switch
ZLED7x20 Supply Operating Current vs. Input Supply Voltage (V
ZLED7x20 Supply Quiescent Shutdown 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
Dimming Rate with 100Hz Square Wave Control Signal (PWM) at ADJ Pin (current rise time=7.85µs) ..... 11
LED Open-Circuit Protection (Rs=0.30 , L1=47µH, V
Basic ZLED7x20 Application Circuit with Output Current Determined only by Rs ........................................ 15
Basic ZLED7x20 Application Circuit with Output Current Controlled by External DC Voltage ...................... 16
Basic ZLED7x20 Application Circuit with Output Current Set by External Square Wave Voltage (PWM) .... 16
Basic ZLED7x20 Application Circuit with Output Current Controlled by External Microcontroller Signal ...... 17
ZLED7020 Pin Configuration – SOT89-5 Package ....................................................................................... 23
SOT89-5 Package Dimensions for the ZLED7020 ....................................................................................... 24
ZLED7320, ZLED7520 & ZLED7720 Pin Configuration — DFN-5 Package ................................................ 25
DFN-5 (DFN4*4-05L) Package Dimensions for the ZLED7320, ZLED7520 & ZLED7720 ........................... 26
Recommended Values for Sense Resistor Rs (ADJ pin floating at nominal voltage V
ZLED7020 Pin Descriptions—SOT89-5 Package ......................................................................................... 23
ZLED7320, ZLED7520 & ZLED7720 Pin Descriptions — DFN-5 Package .................................................. 25
© 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
= 6 to 40 V) Per Number of LEDs (Rs=0.15 , L1=47µH) ................ 9
= 6 to 40 V)
IN
= 6 to 40 V) Per Number of LEDs (Rs=0.10 , L1=47µH).......... 9
‡
IN
Per Number of LEDs (Rs=0.30 , L1=47µH) ............. 10
IN
= 6 to 40 V) Per Number of LEDs
= 24 V) .................................................................. 12
IN
= 6 to 40 V) ........................................... 8
IN
= 40 V) ............................................ 11
IN
= 6 to 40 V) .......................... 8
REF
=1.2V) .................. 18
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