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參數(shù)資料
| 型號： | 2559 |
| 廠商： | Allegro MicroSystems, Inc. |
| 英文描述： | PROTECTED QUAD POWER DRIVER |
| 中文描述： | 四功率驅(qū)動保護 |
| 文件頁數(shù)： | 1/8頁 |
| 文件大?。?/td> | 146K |
| 代理商： | 2559 |
Always order by complete part number: a prefix to
indicate operating temperature range + the basic four-digit
part number + a suffix to indicate package style, e.g.,
UDK2559LB
.
UDx2559LB
UDx2559B
PROTECTED
QUAD POWER DRIVER
Providing improved output current limiting, the UDK, UDN, and
UDQ2559B, EB, and LB quad power drivers combine AND logic
gates and high-current bipolar outputs with complete output protection.
Each of the four outputs will sink 700 mA in the on state. The outputs
have a minimum breakdown voltage (load dump) of 60 V and a
sustaining voltage of 40 V. The inputs are compatible with TTL and
5 V CMOS logic systems.
Over-current protection for each channel has been designed into
these devices and is activated at approximately 1 A. It protects each
output from short circuits with supply voltages up to 25 V. When an
output current trip point is reached, that output stage is driven linearly
resulting in a reduced output current level. If an over-current or short-
circuit condition continues, the thermal-limiting circuits will first sense
the rise in junction temperature and then the rise in chip temperature,
further decreasing the output current. Under worst-case conditions,
these devices will tolerate short circuits on all outputs, simultaneously.
These devices can be used to drive various loads including incan-
descent lamps (without warming or limiting resistors) or inductive
loads such as relays, solenoids, or dc stepping motors.
The suffix ‘B’ devices are 16-pin power DIPs, the suffix ‘EB’
devices are 28-lead power PLCCs and suffix ‘LB’ devices are 16-lead
power SOICs for surface-mount applications. All three packages are
of batwing construction to provide for maximum package power
dissipation.
FEATURES
I
700 mA Output Current per Channel
I
Independent Over-Current Protection for Each Driver
I
Thermal Protection for Device and Each Driver
I
Low Output-Saturation Voltage
I
Integral Output Flyback Diodes
I
TTL and 5 V CMOS Compatible Inputs
I
Pin-Compatible With UDQ2543B/EB and UDK2549B/EB
ABSOLUTE MAXIMUM RATINGS
at T
A
= 25
°
C
Output Voltage, V
OUT
. . . . . . . . .
60 V
Over-Current Protected Output Voltage,
V
OUT
.. . . . . . . . . . . . . . . . . .
25 V
Output Current, I
OUT
. . . . . . . . .
1.0 A*
Supply Voltage, V
CC
.. . . . . . . . .
7.0 V
Input Voltage, V
IN
or V
EN
. . . . . .
7.0 V
Package Power Dissipation,
P
D
. . . . . . . . . . . . . . . .
See Graph
Operating Temperature Range, T
A
Prefix ‘UDK’ . . . .
-40
°
C to +125
°
C
Prefix ‘UDN’ . . . . .
-20
°
C to +85
°
C
Prefix ‘UDQ’ . . . . .
-40
°
C to +85
°
C
Storage Temperature Range,
T
S
. . . . . . . . . . . .
-55
°
C to +150
°
C
*Outputs are peak current limited at
approximately 1.0 A per driver. See
Circuit Description and Application for
further information.
D
2
1
2
3
4
5
6
7
8
9
10
11
12
13
15
16
ENABLE
GROUND
GROUND
OUT
2
K
GROUND
GROUND
OUT
3
OUT
4
K
OUT
1
V
CC
IN
1
Dwg. PP-017-1
IN
4
IN
3
IN
2
1
16
2559
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 2559_07 | 制造商:ALLEGRO 制造商全稱:Allegro MicroSystems 功能描述:PROTECTED QUAD POWER DRIVER |
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