ZLED7730ZI1R ZMDI, ZLED7730ZI1R Datasheet - Page 7

• 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

1.3
Except as noted, test conditions for the following specifications are T
otherwise noted.
Production testing of the chip is performed at 25° C unless otherwise stated. Functional operation of the chip and
specified parameters at other temperatures are guaranteed by design, characterization, and process control.
1.3.10
1.3.11
1.3.12
1.3.13
1.3.14
1.3.15
1.3.16
Data Sheet
August 16, 2011
1.3.1
1.3.2
1.3.3
1.3.4
1.3.5
1.3.6
1.3.7
1.3.8
1.3.9
No.
ZLED7730
High Current 40V LED Driver with Switch Dimming
Electrical Parameters
Quiescent supply current
Mean current sense
threshold voltage
Sense threshold hysteresis
I
Under-voltage lockout
threshold
Under-voltage lockout
hysteresis
Ratio of output current
level to initial current in
Dimming Mode 1
Ratio of output current
level to initial current in
Dimming Mode 2
Ratio of output current
level to initial current in
Dimming Mode 3
Interval time between
external switch actions
LX switch continuous
current
LX switch leakage current
LX switch on resistance
Minimum switch on time
Minimum switch off time
Recommended operating
frequency maximum
SENSE
pin input current
PARAMETER
© 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.
SYMBOL
V
I
I
I
I
V
SENSEHYS
LXmean_0
LXmean_3
LXmean_5
LXmean_7
I
t
I
V
t
f
I
I
LX(leak)
OFFmin
SENSE
V
ONmin
LXmax
INQoff
INQon
SENSE
R
UVLO
T
K
K
K
UVLO
LX
S
1
2
3
Output off
Output switching
V
V
DIM1: Floating
DIM2: GND
DIM1: GND
DIM2: Floating
DIM1: GND
DIM2: GND
ZLED7030
ZLED7330
ZLED7530
ZLED7730
LX switch on
LX switch off
SENSE
IN
rising
CONDITIONS
= V
IN
-0.1V
Level 1
Level 2
Level 3
Level 1
Level 2
Level 3
Level 1
Level 2
amb
= 25° C typical and V
5.05
MIN
70
95
28
28
17
TYP
5.85
1.65
120
450
100
±15
100
100
100
200
200
0.3
60
30
30
50
20
8
2
IN
= 12V unless
MAX
6.65
0.75
0.35
140
600
105
1.2
1.0
0.4
32
32
23
1
1
7 of 23
UNIT
MHz
mV
µA
µA
µA
µA
ns
ns
%
%
%
%
%
%
%
V
V
A
A
A
A
%
%
s