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參數資料
| 型號： | 6A259 |
| 廠商： | Allegro MicroSystems, Inc. |
| 英文描述： | 8-BIT ADDRESSABLE DMOS POWER DRIVER |
| 中文描述： | 8位可尋址的DMOS功率驅動器 |
| 文件頁數： | 1/10頁 |
| 文件大?。?/td> | 205K |
| 代理商： | 6A259 |
D
2
8-BIT ADDRESSABLE
DMOS POWER DRIVER
The A6A259KA and A6A259KLB combine a 3-to-8 line CMOS
decoder and accompanying data latches, control circuitry, and DMOS
outputs in a multi-functional power driver capable of storing single-line
data in the addressable latches or use as a decoder or demuliplexer.
Driver applications include relays, solenoids, and other medium-current
or high-voltage peripheral power loads.
The CMOS inputs and latches allow direct interfacing with micro-
processor-based systems. Use with TTL may require appropriate pull-
up resistors to ensure an input logic high. Four modes of operation are
selectable with the CLEAR and ENABLE inputs.
The addressed DMOS output inverts the DATA input with all
unaddressed outputs remaining in their previous states. All of the output
drivers are disabled (the DMOS sink drivers turned off) with the
CLEAR input low and the ENABLE input high. The A6A259KA/KLB
DMOS open-drain outputs are capable of sinking up to 500 mA.
The A6A259KA is furnished in a 20-pin dual in-line plastic pack-
age. The A6A259KLB is furnished in a 24-lead wide-body, small-
outline plastic batwing package (SOIC) with gull-wing leads for surface-
mount applications. Copper lead frames, reduced supply current re-
quirements, and low on-state resistance allow both devices to sink 150
mA from all outputs continuously, to ambient temperatures over 85
°
C.
FEATURES
I
50 V Minimum Output Clamp Voltage
I
350 mA Output Current (all outputs simultaneously)
I
1
Typical
r
DS(on)
I
Internal Short-Circuit Protection
I
Low Power Consumption
I
Replacements for TPIC6A259N and TPIC6A259DW
6A259
ADVANCE INFORMATION
(Subject to change without notice)
March 22, 2000
LOGIC
GROUND
S
1
OUT
3
V
DD
POWER
GROUND
CLEAR
Dwg. PP-050-4
OUT
2
POWER
GROUND
ENABLE
EN
POWER
GROUND
S
2
(MSB)
OUT
5
OUT
4
POWER
GROUND
OUT
0
OUT
1
S
0
(LSB)
LOGIC
SUPPLY
OUT
6
OUT
7
DATA
D
L
13
14
15
16
17
19
12
18
20
11
1
2
3
8
9
4
5
6
7
10
ABSOLUTE MAXIMUM RATINGS
at T
A
= 25
°
C
Output Voltage, V
O
............................
50 V
Output Drain Current,
Continuous, I
O
......................
350 mA
*
Peak, I
OM
...........................
1100 mA*
Peak, I
OM
....................................
2.0 A
Single-Pulse Avalanche Energy,
E
AS
.............................................
75 mJ
Logic Supply Voltage, V
DD
..............
7.0 V
Input Voltage Range,
V
I
...............................
-0.3 V to +7.0 V
Package Power Dissipation,
P
D
.......................................
See Graph
Operating Temperature Range,
T
A
.............................
-40
°
C to +125
°
C
Storage Temperature Range,
T
S
.............................
-55
°
C to +150
°
C
*Each output, all outputs on.
Pulse duration
≤
100
μ
s, duty cycle
≤
2%.
Caution: These CMOS devices have input static
protection (Class 3) but are still susceptible to dam-
age if exposed to extremely high static electrical
charges.
Always order by complete part number:
Part Number
A6A259KA
A6A259KLB
24-lead SOIC
Package
20-pin DIP
R
θ
JA
55
°
C/W
55
°
C/W
R
θ
JC
25
°
C/W
—
R
θ
JT
—
6
°
C/W
A6A259KA (DIP)
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