ZLED7520ZI1R ZMDI, ZLED7520ZI1R Datasheet - Page 7

• 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

1.3
Test conditions for the following specifications are T
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
1.3.17
Data Sheet
August 12, 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.
ZLED7520
High Current 40V LED Driver with Internal Switch
Electrical Parameters
Quiescent supply current
Mean current sense
threshold voltage
Sense threshold hysteresis
I
Internal reference voltage
measured at ADJ pin
Resistance between V
and ADJ pin
External DC brightness
control voltage on ADJ pin
DC on-off control voltage on
ADJ pin for switching
ZLED7x20 from active state
to quiescent state
DC off-on control voltage on
ADJ pin for switching
ZLED7x20 from quiescent
state to active state
LX switch continuous
current
LX switch leakage current
LX switch on resistance
Minimum switch on time
Minimum switch off time
Dimming rate
Recommended operating
frequency maximum
Recommended output
switch duty cycle range at
f
SENSE
LXmax
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.
REF
SYMBOL
V
I
I
I
I
V
SENSEHYS
LXmean_0
LXmean_3
LXmean_5
LXmean_7
I
V
V
t
I
t
f
I
I
LX(leak)
OFFmin
V
R
SENSE
V
D
ONmin
LXmax
INQoff
INQon
SENSE
R
D
ADJoff
ADJon
REF
ADJ
ADJ
DIM
LX
LX
Output off—ADJ pin
grounded
Output switching—ADJ pin
floating
V
ADJ pin floating
V
V
ZLED7020
ZLED7320
ZLED7520
ZLED7720
LX switch on
LX switch off
1 LED, f =100Hz, Vin=15V,
L1 = 27µH
amb
SENSE
ADJ
ADJ
falling
rising
= 25° C typical and V
CONDITIONS
= V
IN
-0.1V
IN
= 12V unless otherwise noted.
0.15
MIN
0.3
0.2
0.3
90
97
1200:1
TYP
0.25
0.27
120
450
100
±15
500
200
200
1.2
0.2
8
MAX
0.25
0.75
0.35
160
600
103
1.2
0.3
1.2
1.0
0.4
0.9
1
1
7 of 27
UNIT
MHz
mV
K
µA
µA
µA
µA
ns
ns
%
V
V
V
V
A
A
A
A