|Description||8-Bit Addressable Dmos Power Driver|
|Company||Allegro Micro Systems, Inc.|
|Datasheet||Download A6B259KA datasheet
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 mediumcurrent or high-voltage peripheral power loads. The CMOS inputs and latches allow direct interfacing with microprocessor-based systems. Use with TTL may require appropriate pullup 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 to 500 mA. Similar devices with reduced rDS(on) are available as the A6259KA/KLW. The A6B259KA is furnished a 20-pin dual in-line plastic package. The A6B259KLW is furnished a 20-lead wide-body, small-outline plastic package (SOIC) with gull-wing leads for surfacemount 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.
NO (INTERNAL) CONNECTION LOGIC SUPPLY S 0 (LSB) OUT 0 OUT 1 OUT 2 OUT 3 S1 LOGIC GROUND POWER GROUNDNO (INTERNAL) CONNECTION CLEAR DATA OUT 7 OUT 6 OUT 5 OUT 4 ENABLE S 2 (MSB) POWER GROUND
Note that the A6B259KA (DIP) and the A6B259KLW (SOIC) are electrically identical and share a common terminal number assignment.
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................................... +7.0 V Package Power Dissipation, PD........................................... See Graph Operating Temperature Range, TA................................. to +125°C Storage Temperature Range, TS................................. 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.FEATURES
50 V Minimum Output Clamp Voltage 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 Package A6B259KA 20-pin DIP A6B259KLW 20-lead SOICAddressable Latch Memory 8-Line Demultiplexer Clear R = Previous State
Select Inputs Addressed S2 (MSB) S1 S0 (LSB) OUTPUT
115 Northeast Cutoff, Box 15036 Worcester, Massachusetts 853-5000 W Copyright © 2000, Allegro MicroSystems, Inc.Grounds (terminals 9, 10, and 11) must be connected externally to a single point.
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