ZLED7730ZI1R ZMDI, ZLED7730ZI1R Datasheet - Page 8

• 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

1.4
The curves are valid for the typical application circuit and T
Figure 1.1
Figure 1.2
†
Minimum V
1.3.17
1.3.18
1.3.19
1.3.20
Data Sheet
August 16, 2011
No.
ZLED7730
High Current 40V LED Driver with Switch Dimming
0.95
0.85
0.75
0.65
0.9
0.8
0.7
0.6
Typical Operation Graphs
600
500
400
300
200
100
1
0
in
Recommended output
switch duty cycle range
at f
Propagation delay of
internal comparator
Thermal shutdown
temperature
Thermal shutdown
hysteresis
5
5
depends on number of LEDs.
ZLED7x30 Supply Operating Current vs. Input Supply Voltage (V
Efficiency (%) vs. Input Supply Voltage (V
LXmax
PARAMETER
10
10
© 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.
15
15
20
20
SYMBOL
25
25
T
SD-HYS
D
T
t
PD
SD
LX
30
30
IN
35
35
= 8.5 to 40V)
CONDITIONS
Vin(V)
amb
40
40
= 25° C unless otherwise noted.
Vin(V)
†
Rs=0.10Ω
Per Number of LEDs (Rs=0.10 , L1=47µH)
1LED
3LED
7LED
10LED
IN
= 8.5 to 40V)
MIN
0.3
TYP
150
25
20
MAX
0.9
8 of 23
UNIT
ns
° C
K