UDN2916LBT Allegro Micro Systems, Inc., UDN2916LBT Datasheet
UDN2916LBT
Manufacturer Part Number
UDN2916LBT
Description
SOP24
Manufacturer
Allegro Micro Systems, Inc.
Specifications of UDN2916LBT
Date_code
08+
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Price
Part Number:
UDN2916LBT
Manufacturer:
ALLEGRO/雅丽高
Quantity:
20 000
Company:
Part Number:
UDN2916LBTR-T
Manufacturer:
MIT
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6 223
Part Number:
UDN2916LBTR-T
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Quantity:
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Motor Supply Voltage, V
Output Current, I
Logic Supply Voltage, V
Logic Input Voltage Range,
Output Emitter Voltage, V
Package Power Dissipation,
Operating Temperature Range,
Storage Temperature Range,
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 rating or a junction
temperature of +150°C.
G R OUND
G R OUND
S E NS E
P HAS E
ABSOLUTE MAXIMUM RATINGS
OUT
OUT
OUT
V
R E F 2
R C
(Peak) ........................................ +1.0 A
(Continuous) .......................... +750 mA
V
P
T
T
I
I
E
1A
2A
2B
02
12
A
S
IN
D
2
2
2
2
................................. -20°C to +85°C
............................... -55°C to +150°C
........................................................
......................... -0.3 V to V
12
10
11
8
9
1
2
3
4
5
6
7
9
UDN2916B
θ
2
at T
OUT
2
J
≤ ≤ ≤ ≤ ≤
150°C
CC
BB
E
V
1
.................... 45 V
................... 7.0 V
(DIP)
B B
.................. 1.5 V
V
θ
C C
1
24
23
20
19
18
13
22
21
17
16
15
14
See Graph
CC
S E NS E
P HAS E
Dwg. P P -005
LOAD
S UP P LY
E
OUT
I
G R OUND
I
V
R C
G R OUND
LOG IC
S UP P LY
11
01
+0.3 V
1
R E F 1
1
1B
1
1
designed to drive both windings of a bipolar stepper motor or
bidirectionally control two dc motors. Both bridges are capable of
sustaining 45 V and include internal pulse-width modulation (PWM)
control of the output current to 750 mA. The outputs have been opti-
mized for a low output saturation voltage drop (less than 1.8 V
total source plus sink at 500 mA).
mined by the user’s selection of a reference voltage and sensing
resistor. Two logic-level inputs select output current limits of 0, 33,
67, or 100% of the maximum level. A PHASE input to each bridge
determines load current direction.
protection against inductive transients. Internally generated delays
prevent cross-over currents when switching current direction. Special
power-up sequencing is not required. Thermal protection circuitry
disables the outputs if the chip temperature exceeds safe operating
limits.
The UDN2916B is supplied in a 24-pin dual in-line plastic batwing
package with a copper lead-frame and heat sinkable tabs for improved
power dissipation capabilities. The UDN2916EB is supplied in a 44-
lead power PLCC for surface mount applications. The UDN2916LB is
supplied in a 24-lead surface-mountable SOIC. Their batwing construc-
tion provides for maximum package power dissipation in the smallest
possible construction. The UDN2916B, UDN2916EB, and UDN2916LB
are available for operation from –20°C to 85°C. The UDQ2916B and
UDQ2916LB are available for operation from –40°C to 105°C. All
packages are lead (Pb) free, with 100% matte tin leadframe.
FEATURES
2916
The UDN2916B, UDN2916EB, and UDN2916LB motor drivers are
For PWM current control, the maximum output current is deter-
The bridges include both ground clamp and flyback diodes for
45 V Output Sustaining Voltage
Low Output Saturation Voltage
Internal Thermal Shutdown Circuitry
750 mA Continuous Output Current
Internal Clamp Diodes
Internal PWM Current Control
Similar to Dual PBL3717, UC3770
PWM MOTOR DRIVER
DUAL FULL-BRIDGE
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