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UDN2962W Datasheet

  • UDN2962W

  • DUAL SOLENOID/MOTOR DRIVER .PULSE-WIDTH MODULATED CURRENT CO...

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2962
Using PWM to minimize power dissipation and maximize load
efficiency, the UDN2962W dual driver is recommended for impact
printer solenoids and stepper motors. It is comprised of two source/
sink driver pairs rated for continuous operation to
鹵3
A. It can be
connected to drive two independent loads or a single load in the full-
bridge configuration. Both drivers include output clamp/flyback
diodes, input gain and level shifting, a voltage regulator for single-
supply operation, and pulse-width modulated output-current control
circuitry. Inputs are compatible with most TTL, DTL, LSTTL, and
low-voltage CMOS or PMOS logic.
DUAL SOLENOID/MOTOR DRIVER
鈥擯ULSE-WIDTH MODULATED CURRENT CONTROL
Data Sheet
29319.12A鈥?/div>
GROUND
IN
A
SENSE
A
SINK
A
SOURCE
A
THS
A
V
CC
SOURCE
B
SINK
B
SENSE
B
IN
B
THS
B
ABSOLUTE MAXIMUM RATINGS
at T
J
鈮?/div>
+150擄C
Supply Voltage, V
CC
. . . . . . . . . . . . . . 45 V
Peak Output Current, I
OUT
. . . . . . . . .
鹵
4 A
Input Voltage Range,
V
IN
. . . . . . . . . . . . . . . -0.3 V to +7.0 V
Package Power Dissipation,
P
D
. . . . . . . . . . . . . . . . . . . See Graph
Operating Temperature Range,
T
A
. . . . . . . . . . . . . . . . -20
擄
C to +85
擄
C
Storage Temperature Range,
T
S
. . . . . . . . . . . . . . . -55
擄
C to +150
擄
C
NOTE: Output current rating may be limited by
duty cycle, ambient temperature, and heat
sinking. Under any set of conditions, do not
exceed the specified peak current and a junction
temperature of +150擄C.
1
LOGIC
2
3
4
5
6
7
8
9
10
LOGIC
11
12
The peak output current and hysteresis for each source/sink pair is
set independently. Output current, threshold voltage, and hysteresis are
set by the user鈥檚 selection of external resistors. At the specified output-
current trip level, the source driver turns off. The internal clamp diode
then allows current to flow without additional input from the power
supply. When the lower current trip point is reached, the source driver
turns back on.
The UDN2962W is in a 12-pin single in-line power-tab package.
The tab is at ground potential and needs no insulation. For high-
current or high-frequency applications, external heat sinking may be
required.
Dwg. No. D-1001
FEATURES
I
I
I
I
I
4 A Peak Output
45 V Min. Sustaining Voltage
Internal Clamp Diodes
TTL/PMOS/CMOS Compatible Inputs
High-Speed Chopper
Always order by complete part number:
UDN2962W
.

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