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A6A259KLB Schematic ( PDF Datasheet ) - Allegro MicroSystems

Teilenummer A6A259KLB
Beschreibung 8-BIT ADDRESSABLE DMOS POWER DRIVER
Hersteller Allegro MicroSystems
Logo Allegro MicroSystems Logo 




Gesamt 10 Seiten
A6A259KLB Datasheet, Funktion
6A259
ADVANCE INFORMATION
(Subject to change without notice)
March 22, 2000
A6A259KA (DIP)
OUT2 1
OUT3 2
S1
LOGIC
GROUND
POWER
GROUND
POWER
GROUND
3
4
5
6
S2 (MSB) 7
ENABLE 8 EN
OUT4 9
OUT5 10
20 OUT1
19 OUT0
18
VDD 17
16
15
S0 (LSB)
LOGIC
SUPPLY
POWER
GROUND
POWER
GROUND
14 CLEAR
13 DATA
12 OUT7
11 OUT6
Dwg. PP-050-4
ABSOLUTE MAXIMUM RATINGS
at TA = 25°C
Output Voltage, VO ............................ 50 V
Output Drain Current,
Continuous, IO ...................... 350 mA*
Peak, IOM ........................... 1100 mA*†
Peak, IOM .................................... 2.0 A†
Single-Pulse Avalanche Energy,
EAS ............................................. 75 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 dam-
age if exposed to extremely high static electrical
charges.
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 rDS(on)
I Internal Short-Circuit Protection
I Low Power Consumption
I Replacements for TPIC6A259N and TPIC6A259DW
Always order by complete part number:
Part Number Package
RθJA
A6A259KA 20-pin DIP 55°C/W
A6A259KLB 24-lead SOIC 55°C/W
RθJC
25°C/W
RθJT
6°C/W






A6A259KLB Datasheet, Funktion
6A259
8-BIT ADDRESSABLE
DMOS POWER DRIVER
INPUT
IO
VO
TEST CIRCUITS
+15 V
tav
IAS = 1.0 A
DUT
V(BR)DSX
VO(ON)
EAS = IAS x V(BR)DSX x tAV/2
OUT
Dwg. EP-066-1
Single-Pulse Avalanche Energy Test Circuit
and Waveforms
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000

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