A3230ELHLT Allegro Microsystems Inc, A3230ELHLT Datasheet
A3230ELHLT
Specifications of A3230ELHLT
Available stocks
Related parts for A3230ELHLT
A3230ELHLT Summary of contents
Page 1
Chopper-Stabilized Hall-Effect Bipolar Switch These parts are in production but have been determined to be NOT FOR NEW DESIGN. This classification indicates that sale of this device is currently restricted to existing customer applications. The device should not be purchased ...
Page 2
Chopper-Stabilized Hall-Effect Bipolar Switch Features and Benefits ▪ Chopper stabilization ▫ Superior temperature stability ▫ Extremely low switchpoint drift ▫ Insensitive to physical stress ▪ Reverse battery protection ▪ Output short circuit protection ▪ Solid state reliability ▪ Small size ...
Page 3
... The A3230 is rated for operation between the ambient temperatures –40°C and 85°C for the E temperature range, and –40°C to 150°C Selection Guide Part Number Packing A3230ELHLT-T 7-in. reel, 3000 pieces/reel A3230EUA-T Bulk, 500 pieces/bag A3230LLHLT-T 7-in. reel, 3000 pieces/reel ...
Page 4
A3230 OPERATING CHARACTERISTICS valid over full operating voltage and ambient temperature ranges, unless otherwise noted Characteristic Symbol Electrical Characteristics Supply Voltage 1 V Output Leakage Current I OUTOFF Output On Voltage V OUT(SAT) Output Current Limit I Power-On Time Chopping ...
Page 5
A3230 Supply Current (On) versus Ambient Temperature 5.0 4.0 3.0 2.0 1.0 0 – (°C) A Supply Current (Off) versus Ambient Temperature 5.0 4.0 3.0 2.0 1.0 0 – (°C) A Output Voltage (On) ...
Page 6
A3230 Operate Point versus Ambient Temperature -10 – (°C) A Release Point versus Ambient Temperature -10 -15 -20 -25 – (°C) (°C) ...
Page 7
A3230 THERMAL CHARACTERISTICS may require derating at maximum conditions, see application information Characteristic Package Thermal Resistance *Additional thermal information available on Allegro Web site. Chopper-Stabilized Hall Effect Bipolar Switch Symbol Test Conditions* Package LH, 1-layer PCB with copper limited to ...
Page 8
A3230 Operation The output of these devices switches low (turns on) when a magnetic fi eld perpendicular to the Hall element exceeds the operate point threshold After turn-on, the output voltage The output transistor ...
Page 9
A3230 exhibiting negative switch behavior operate in a similar but opposite manner. A north polarity fi eld of suffi cient strength, > (more north than required for operation, although RP RP the result is that ...
Page 10
A3230 Chopper Stabilization Technique When using Hall-effect technology, a limiting factor for switchpoint accuracy is the small signal voltage developed across the Hall element. This voltage is disproportionally small relative to the offset that can be produced at the output ...
Page 11
A3230 Power Derating The device must be operated below the maximum junction temperature of the device Under certain combinations of J(max) peak conditions, reliable operation may require derating sup- plied power or improving the heat dissipation properties of ...
Page 12
A3230 +0.12 2.98 –0.08 3 +0.10 2.90 –0. 10° REF 0.95 BSC For Reference Only; not for tooling use (reference dwg. 802840) Dimensions in millimeters Dimensions exclusive of mold flash, gate burrs, and dambar protrusions Exact case and ...
Page 13
A3230 4.09 45° +0.08 3.02 –0.05 2.16 MAX 0.51 REF 1 2 15.75 ±0.51 +0.05 0.43 –0.07 Copyright ©2005-2008, Allegro MicroSystems, Inc. Allegro MicroSystems, Inc. reserves the right to make, from time to time, such de par tures from the ...