MAX6970 查看數據表（PDF） - Maxim Integrated
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MAX6970 Datasheet PDF : 12 Pages
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8-Port, 36V Constant-Current LED Driver
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 ...........................................................480mA
Continuous Power Dissipation (TA = +70°C)
16-Pin TSSOP-EP
(derate 21.3mW/°C above +70°C) ..............................1702mW
16-Pin SSOP (derate 7.1mW/°C above +70°C) ............571mW
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, TA = TMIN to TMAX, unless otherwise noted. Typical values are at V+ = 5V, TA = +25°C.)
(Note 1)
PARAMETER
Operating Supply Voltage
Output Voltage
Standby Current
(Interface Idle, All Output Ports
High Impedance, RSET = 360Ω)
Standby Current
(Interface Running, All Output
Ports High Impedance,
RSET = 360Ω)
Supply Current
(Interface Idle, All Output Ports
Active Low, RSET = 360Ω)
Input High Voltage
DIN, CLK, LE, OE
SYMBOL
V+
VOUT
CONDITIONS
I+
All logic inputs at V+ or GND, DOUT
unloaded
MIN TYP
3.0
3.6
I+
fCLK = 5MHz, OE = V+, DIN and LE = V+
3.8
or GND, DOUT unloaded
I+
All logic inputs at V+ or GND,
DOUT unloaded
VIH
17
0.7 x V+
MAX
5.5
36
UNITS
V
V
5.6
mA
6
mA
30
mA
V
Input Low Voltage
DIN, CLK, LE, OE
VIL
0.3 x V+ V
Hysteresis Voltage
DIN, CLK, LE, OE
ΔVI
0.8
V
Input Leakage Current
DIN, CLK, LE, OE
Pullup Resistor to V+, OE
Pullup Resistor to GND, LE
Output High Voltage DOUT
Output Low Voltage
Output Current OUT_
Output Leakage Current OUT_
IIH, IIL
ROE
RLE
VOH
VOL
IOUT
ILEAK
V+ = 5.5V
V+ = 5.5V
ISOURCE = 4mA
ISINK = 4mA
V+ = 3.0V to 5.5V, VOUT = 0.8V to 2.5V,
RSET = 360Ω
OE = V+
-1
+1
µA
0.170
3
0.170
3
V+ - 0.5V
10.000 MΩ
10.000 MΩ
V
0.5
V
36
50
60
mA
1
µA
2 _______________________________________________________________________________________
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