UCN5890A 查看數據表（PDF） - Allegro MicroSystems
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UCN5890A Datasheet PDF : 8 Pages
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5890 AND 5891
8-BIT SERIAL-INPUT,
LATCHED SOURCE DRIVERS
ELECTRICAL CHARACTERISTICS at TA = +25°C, VBB = 80 V (UCN5890A/LW) or 50 V
(UCN5891A/LW), VDD = 5 V and 12 V (unless otherwise noted).
Characteristic
Output Leakage Current
Symbol
ICEX
VBB
Max.
Output Saturation Voltage VCE(SAT)
50 V
Output Sustaining Voltage VCE(sus)
Max.
Input Voltage
VIN(1)
50 V
Input Current
VIN(0)
IIN(1)
50 V
50 V
Input lmpedance
ZIN
50 V
Max. Clock Frequency
Serial Data Output
Resistance
Turn-On Delay
Turn-Off Delay
Supply Current
fc
ROUT
tPLH
tPHL
IBB
50 V
50 V
50 V
50 V
50 V
lDD
50 V
Diode Leakage Current
Diode Forward Voltage
IR
Max.
VF
Open
Test Conditions
TA = +25°C
TA = +70°C
IOUT = -100 mA
IOUT = -225 mA
IOUT = -350 mA
IOUT = -350 mA, L = 2 mH, UCN5891A/LW
IOUT = -350 mA, L = 2 mH, UCN5890A/LW
VDD = 5.0 V
VDD = 12 V
VDD = 5 V to 12 V
VDD = VIN = 5.0 V
VDD = VIN = 12 V
VDD = 5.0 V
VDD = 12 V
VDD = 5.0 V
VDD = 12 V
Output Enable to Output, IOUT = -350 mA
Output Enable to Output, IOUT = -350 mA
All outputs on, All outputs open
All outputs off
VDD = 5 V, All outputs off, Inputs = 0 V
VDD = 12 V, All outputs off, Inputs = 0 V
VDD = 5 V, One output on, All Inputs = 0 V
VDD = 12 V, One output on, All Inputs = 0 V
TA = +25°C
TA = +70°C
IF = 350 mA
Min.
—
—
—
—
—
35
50
3.5
10.5
-0.3
—
—
100
50
3.3*
—
—
—
—
—
—
—
—
—
—
—
—
—
Limits
Max.
-50
-100
1.8
1.9
2.0
—
—
5.3
12.3
+0.8
50
240
—
—
—
20
6.0
2.0
10
10
200
100
200
1.0
3.0
50
100
2.0
Units
µA
µA
V
V
V
V
V
V
V
V
µA
µA
kΩ
kΩ
MHz
kΩ
kΩ
µs
µs
mA
µA
µA
µA
mA
mA
µA
µA
V
NOTES: Turn-off delay is influenced by load conditions. Systems applications well below the specified output loading may require
timing considerations for some designs, i.e., multiplexed displays or when used in combination with sink drivers in a totem
pole configuration.
Positive (negative) current is defined as going into (coming out of) the specified device pin.
* Operation at a clock frequency greater than the specified minimum value is possible but not warranteed.
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