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參數(shù)資料
| 型號(hào)： | 2962 |
| 廠商： | Allegro MicroSystems, Inc. |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | DUAL SOLENOID/MOTOR DRIVER .PULSE-WIDTH MODULATED CURRENT CONTROL |
| 中文描述： | 雙電磁/電機(jī)驅(qū)動(dòng)。脈寬調(diào)制電流控制 |
| 文件頁數(shù)： | 1/8頁 |
| 文件大?。?/td> | 141K |
| 代理商： | 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
±
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.
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’s 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.
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
Dwg. No. D-1001
2962
DUAL SOLENOID/MOTOR DRIVER
—PULSE-WIDTH MODULATED CURRENT CONTROL
ABSOLUTE MAXIMUM RATINGS
at T
J
≤
+150
°
C
Supply Voltage, V
CC
. . . . . . . . . . . . . . 45 V
Peak Output Current, I
OUT
. . . . . . . . .
±
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
°
C to +85
°
C
Storage Temperature Range,
T
S
. . . . . . . . . . . . . . . -55
°
C to +150
°
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
°
C.
Always order by complete part number:
UDN2962W
.
THS
IN
SENSE
SINK
SOURCE
B
B
B
B
B
GROUND
IN
A
SENSE
A
SINK
A
SOURCE
A
THS
A
V
CC
L
1
1
1
9
8
7
6
5
4
3
2
1
L
D
2
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