A1204LUA-T Allegro Microsystems Inc, A1204LUA-T Datasheet
![IC SW CONTINUE TIME BIPO 3-SIP](/photos/31/38/313867/ultraminisip-3_sml.jpg)
A1204LUA-T
Specifications of A1204LUA-T
Related parts for A1204LUA-T
A1204LUA-T Summary of contents
Page 1
Features and Benefits ▪ Continuous-time operation ▫ Fast power-on time ▫ Low noise ▪ Stable operation over full operating temperature range ▪ Reverse battery protection ▪ Solid-state reliability ▪ Factory-programmed at end-of-line for optimum performance ▪ Robust EMC performance ▪ ...
Page 2
A1201 Description (continued) The small geometries of the BiCMOS process allow these devices to be provided in ultrasmall packages. The package styles available provide magnetically optimized solutions for most applications. Package SOT23W, a miniature low-profile surface-mount Selection ...
Page 3
A1201 Package Terminal List Name VCC Connects power supply to chip VOUT Output from circuit GND Ground Continuous-Time Bipolar Switch Pin-out Diagrams 2 Description Package Number Package LH Package ...
Page 4
A1201 OPERATING CHARACTERISTICS over full operating voltage and ambient temperature ranges, unless otherwise noted Characteristic Symbol Electrical Characteristics 1 Supply Voltage V Output Leakage Current I OUTOFF Output On Voltage V OUT(SAT) Power-On Time 2 Output Rise Time 3 3 ...
Page 5
A1201 THERMAL CHARACTERISTICS may require derating at maximum conditions, see application information Characteristic Package Thermal Resistance Continuous-Time Bipolar Switch Symbol Package LH, 1-layer PCB with copper limited to solder pads Package LH, 2-layer PCB with 0.463 in. R θJA side ...
Page 6
A1201 Supply Current (On) versus Ambient Temperature (A1201) 8.0 7.0 6.0 5.0 4.0 3.0 2.0 1.0 0 – (°C) A Supply Current (Off) versus Ambient Temperature (A1201) 8.0 7.0 6.0 5.0 4.0 3.0 2.0 1.0 0 –50 ...
Page 7
A1201 Operate Point versus Ambient Temperature (A1201 -10 -20 -30 -40 - (°C) A Release Point versus Ambient Temperature (A1201 -10 -20 -30 -40 -50 -50 ...
Page 8
A1201 Bipolar Device Switching The A1201 provides highly sensitive switching for applica- tions using magnetic fields of alternating polarities, such as ring magnets. There are three switching modes for bipolar devices, referred to as latch, unipolar switch, and negative switch. ...
Page 9
A1201 the field is reduced beyond the B level, the device switches OP back to the low state. The typical output behavior of the A1201 device is latching. That is, switching to the low state when the magnetic field at ...
Page 10
A1201 The choice between continuous-time and chopper-stabilized designs is solely determined by the application. Battery manage- ment is an example where continuous-time is often required. In these applications chopped with a very small duty cycle CC in order ...
Page 11
A1201 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
A1201 +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
A1201 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 ©2005-2009, Allegro MicroSystems, Inc.Allegro MicroSystems, Inc. reserves the right to make, from time to time, such de par tures from the detail ...