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or visit Maxim’s website at www.maxim-ic.com.
16-Port, 36V Constant-Current LED Driver
MAX6971
ABSOLUTE MAXIMUM RATINGS
Voltage with respect to GND.
V+ ............................................................................-0.3V to +6V
OUT_ .....................................................................-0.3V to +40V
DIN, CLK, LE,
OE,
SET ................................-0.3V to (V+ + 0.3V)
DOUT Current ..................................................................±10mA
OUT_ Sink Current .............................................................60mA
Total GND Current ...........................................................960mA
Continuous Power Dissipation (T
A
= +70°C)
24-Pin TSSOP (derate 12.2mW/°C over +70°C) ..........975mW
24-Pin PDIP (derate 13.3mW/°C over +70°C)............1067mW
Operating Temperature Range .........................-40°C to +125°C
Junction Temperature ......................................................+150°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
ELECTRICAL CHARACTERISTICS
(Typical
Operating Circuit,
V+ = 3V to 5.5V, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at V+ = 5V, T
A
= +25°C.)
(Note 1)
PARAMETER
Operating Supply Voltage
Output Voltage
Standby Current
(Interface Idle, All Output Ports
High Impedance, R
SET
= 360Ω)
Standby Current
(Interface Running, All Output
Ports High Impedance,
R
SET
= 360Ω)
Supply Current
(Interface Idle, All Output Ports
Active Low, R
SET
= 360Ω)
Input High Voltage
DIN, CLK, LE,
OE
Input Low Voltage
DIN, CLK, LE,
OE
Hysteresis Voltage
DIN, CLK, LE,
OE
Input Leakage Current
DIN, CLK, LE,
OE
Output High-Voltage DOUT
Output Low Voltage
Output Current OUT_
Output Leakage Current OUT_
SYMBOL
V+
V
OUT
I
+
All logic inputs at V+ or GND, DOUT
unloaded
5.7
CONDITIONS
MIN
3.0
TYP
MAX
5.5
36
8
UNITS
V
V
mA
I
+
f
CLK
= 5MHz,
OE
= V+, DIN and LE = V+
or GND, DOUT unloaded
6
8.5
mA
I
+
All logic inputs at V+ or GND,
DOUT unloaded
0.7 x
V+
18
25
mA
V
IH
V
IL
ΔV
I
I
IH
, I
IL
V
OH
V
OL
I
OUT
I
LEAK
I
SOURCE
= 4mA
I
SINK
= 4mA
V+ = 3V to 5.5V, V
OUT
= 0.8V to 2.5V,
R
SET
= 360Ω
OE
= V+
V
0.3 x
V+
0.8
V
V
+1
µA
V
0.5
V
mA
µA
-1
V+
- 0.5V
37
50
61
1
Note 1:
All parameters tested at T
A
= +25°C. Specifications over temperature are guaranteed by design.
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Embedded System
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