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6B259 Schematic ( PDF Datasheet ) - Allegro MicroSystems

Teilenummer 6B259
Beschreibung 8-BIT ADDRESSABLE DMOS POWER DRIVER
Hersteller Allegro MicroSystems
Logo Allegro MicroSystems Logo 




Gesamt 12 Seiten
6B259 Datasheet, Funktion
6B259
ADVANCE INFORMATION
(Subject to change without notice)
January 24, 2000
NO (INTERNAL)
CONNECTION
1
NC
LOGIC
SUPPLY
2
VDD
S 0 (LSB) 3
OUT 0 4
OUT1 5
OUT 2 6
OUT 3 7
S1 8
LOGIC
GROUND
POWER
GROUND
9
10
NC 20
NO (INTERNAL)
CONNECTION
19 CLEAR
18 DATA
17 OUT7
16 OUT6
15 OUT5
14 OUT 4
EN 13 ENABLE
12 S2 (MSB)
11 POWER
GROUND
Dwg. PP-050-1
Note that the A6B259KA (DIP) and the A6B259KLW
(SOIC) are electrically identical and share a common
terminal number assignment.
ABSOLUTE MAXIMUM RATINGS
at TA = 25°C
Output Voltage, VO ............................... 50 V
Output Drain Current,
Continuous, IO .......................... 150 mA*
Peak, IOM ................................... 500 mA†
Single-Pulse Avalanche Energy,
EAS ................................................. 30 mJ
Logic Supply Voltage, VDD .................. 7.0 V
Input Voltage Range,
VI ................................... -0.3 V to +7.0 V
Package Power Dissipation,
PD ........................................... See Graph
Operating Temperature Range,
TA ................................. -40°C to +125°C
Storage Temperature Range,
TS ................................. -55°C to +150°C
* Each output, all outputs on.
† Pulse duration 100 µs, duty cycle 2%.
Caution: These CMOS devices have input static
protection (Class 3) but are still susceptible to damage if
exposed to extremely high static electrical charges.
8-BIT ADDRESSABLE
DMOS POWER DRIVER
The A6B259KA and A6B259KLW 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 A6B259KA/KLW DMOS open-drain outputs are capable of
sinking up to 500 mA. Similar devices with reduced rDS(on) are avail-
able as the A6259KA/KLW.
The A6B259KA is furnished in a 20-pin dual in-line plastic
package. The A6B259KLW is furnished in a 20-lead wide-body,
small-outline plastic package (SOIC) with gull-wing leads for surface-
mount applications. Copper lead frames, reduced supply current
requirements, and low on-state resistance allow either device to sink
150 mA from all outputs continuously, to ambient temperatures greater
than 85°C.
FEATURES
s 50 V Minimum Output Clamp Voltage
s 150 mA Output Current (all outputs simultaneously)
s 5 Typical rDS(on)
s Low Power Consumption
s Replacements for TPIC6B259N and TPIC6B259DW
Always order by complete part number:
Part Number
A6B259KA
A6B259KLW
Package
20-pin DIP
20-lead SOIC
RθJA
55°C/W
70°C/W
RθJC
25°C/W
17°C/W






6B259 Datasheet, Funktion
6B259
8-BIT ADDRESSABLE
DMOS POWER DRIVER
INPUT
IO
VO
TEST CIRCUITS
+15 V
tav
IAS = 500 mA
DUT
V(BR)DSX
OUT
VO(ON)
EAS = IAS x V(BR)DSX x tAV/2
Dwg. EP-066
Single-Pulse Avalanche Energy Test Circuit
and Waveforms
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000

6 Page









6B259 pdf, datenblatt
6B259
8-BIT ADDRESSABLE
DMOS POWER DRIVER
The products described here are manufactured under one or more
U.S. patents or U.S. patents pending.
Allegro MicroSystems, Inc. reserves the right to make, from time to
time, such departures from the detail specifications as may be
required to permit improvements in the performance, reliability, or
manufacturability of its products. Before placing an order, the user is
cautioned to verify that the information being relied upon is current.
Allegro products are not authorized for use as critical components
in life-support devices or systems without express written approval.
The information included herein is believed to be accurate and
reliable. However, Allegro MicroSystems, Inc. assumes no responsi-
bility for its use; nor for any infringement of patents or other rights of
third parties which may result from its use.
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000

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