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5890 Datasheet(PDF) 3 Page - Allegro MicroSystems

Part No. 5890
Description  BIMOS II 8-BIT SERIAL-INPUT, LATCHED SOURCE DRIVERS
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Manufacturer  ALLEGRO [Allegro MicroSystems]
Direct Link  http://www.allegromicro.com
Logo ALLEGRO - Allegro MicroSystems

5890 Datasheet(HTML) 3 Page - Allegro MicroSystems

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5890 AND 5891
8-BIT SERIAL-INPUT,
LATCHED SOURCE DRIVERS
www.allegromicro.com
ELECTRICAL CHARACTERISTICS at T
A
= +25
°C, V
BB
= 80 V (UCN5890A/LW) or 50 V
(UCN5891A/LW), V
DD
= 5 V and 12 V (unless otherwise noted).
Limits
Characteristic
Symbol
V
BB
Test Conditions
Min.
Max.
Units
Output Leakage Current
ICEX
Max.
TA = +25°C
-50
µA
TA = +70°C
-100
µA
Output Saturation Voltage
VCE(SAT)
50 V
IOUT = -100 mA
1.8
V
IOUT = -225 mA
1.9
V
IOUT = -350 mA
2.0
V
Output Sustaining Voltage
VCE(sus)
Max.
IOUT = -350 mA, L = 2 mH, UCN5891A/LW
35
V
IOUT = -350 mA, L = 2 mH, UCN5890A/LW
50
V
Input Voltage
VIN(1)
50 V
VDD = 5.0 V
3.5
5.3
V
VDD = 12 V
10.5
12.3
V
VIN(0)
50 V
VDD = 5 V to 12 V
-0.3
+0.8
V
Input Current
IIN(1)
50 V
VDD = VIN = 5.0 V
50
µA
VDD = VIN = 12 V
240
µA
Input lmpedance
ZIN
50 V
VDD = 5.0 V
100
k
VDD = 12 V
50
k
Max. Clock Frequency
fc
50 V
3.3*
MHz
Serial Data Output
ROUT
50 V
VDD = 5.0 V
20
k
Resistance
VDD = 12 V
6.0
k
Turn-On Delay
tPLH
50 V
Output Enable to Output, IOUT = -350 mA
2.0
µs
Turn-Off Delay
tPHL
50 V
Output Enable to Output, IOUT = -350 mA
10
µs
Supply Current
IBB
50 V
All outputs on, All outputs open
10
mA
All outputs off
200
µA
lDD
50 V
VDD = 5 V, All outputs off, Inputs = 0 V
100
µA
VDD = 12 V, All outputs off, Inputs = 0 V
200
µA
VDD = 5 V, One output on, All Inputs = 0 V
1.0
mA
VDD = 12 V, One output on, All Inputs = 0 V
3.0
mA
Diode Leakage Current
IR
Max.
TA = +25°C
50
µA
TA = +70°C
100
µA
Diode Forward Voltage
VF
Open
IF = 350 mA
2.0
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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