UDN2544B Allegro MicroSystems, Inc., UDN2544B Datasheet - Page 2

• Manufacturer Part Number: UDN2544B
• Description: Quad Darlington Power Driver
• Manufacturer: Allegro MicroSystems, Inc.

Typical Data is for design information only.
Negative current is defined as coming out of (sourcing) the specified terminal.
As used here, -100 is defined as greater than +10 (absolute magnitude convention) and the minimum is implicitly zero.
ENABLE
2544
QUAD DARLINGTON
POWER DRIVER
Characteristic
Output Leakage Current
Output Sustaining Voltage
Output Saturation Voltage
Input Voltage
Input Current
Total Supply Current
Clamp Diode Forward Voltage
Clamp Diode Leakage Current
X = Don't care
H
L
IN
H
X
L
1
OUT
OFF
OFF
ON
1
IN
H
X
L
2
OUT
OFF
OFF
ON
Symbol
I
V
V
Logic 1
Logic 0
Logic 1
Logic 0
I
V
I
CEX
CC
R
CE(sus)
CE(SAT)
F
2
IN
H
X
L
3
V
I
I
I
I
V
V
V
V
All Outputs ON, Outputs Open
All Outputs OFF
I
I
V
OUT
OUT
OUT
OUT
F
F
OUT
IN(1) or
IN(0) or
IN(1) or
IN(0) or
R
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 [phone]
W
Copyright © 1989, 2001 Allegro MicroSystems, Inc.
OUT
= 1.0 A
= 1.8 A
OFF
OFF
ON
= 50 V
Test Conditions
= 1.8 A
= 1.8 A, L = 3.0 mH
= 600 mA
= 1.0 A
= 50 V
3
V
V
V
V
EN(1)
EN(0)
EN(1)
EN(0)
IN
H
X
L
4
= 2.4 V
= 0.8 V
OUT
OFF
OFF
ON
4
5
4
3
2
1
0
25
Min.
R
50
2.4
50
—
—
—
—
—
—
—
—
—
—
—
—
JA
= 43 C/W
TEMPERATURE IN C
75
< 1.0
Typ.
<1.0
0.9
1.0
1.3
0.4
1.3
1.6
14
—
—
—
—
—
Limits
R
JT
100
= 6.0 C/W
Max.
-100
100
100
1.0
1.2
1.6
0.8
2.0
1.6
2.0
10
20
—
—
125
Dwg. GP-010B
Units
mA
mA
V
V
V
V
V
V
V
V
A
A
A
A
150