Datasheet A6275 (Allegro) - 3

Serial-Input Constant-Current Latched LED Driver A6275 with Open LED Detection and Dot Correction Selection Guide Ambient Temperature Part Number Package Packing (°C)
A6275EA-T 16-pin DIP 25 per tube –40 to 85 A6275ELWTR-T 16-pin SOICW 1000 per reel A6275SLWTR-T 16-pin SOICW 1000 per reel –20 to 85
Absolute Maximum Ratings* Characteristic Symbol Notes Rating Units
Supply Voltage VDD 7.0 V Input Voltage Range VI –0.4 to VDD + 0.4 V Output Voltage Range VO –0.5 to VDD + 17 V Output Current IO 90 mA Ground Current IGND 750 mA Range E –40 to 85 ºC Operating Ambient Temperature TA Range S –20 to 85 ºC Maximum Junction Temperature TJ(max) 150 ºC Storage Temperature Tstg –55 to 150 ºC *These CMOS devices have input static protection (Class 2) but are still sus cep ti ble to damage if exposed to extremely high static electrical charges.
Thermal Characteristics
may require derating at maximum conditions, see application information
Characteristic Symbol Test Conditions* Value Units
Package A, 4-layer PCB based on JEDEC standard 38 ºC/W Package Thermal Resistance RθJA Package LW, 4-layer PCB based on JEDEC standard 48 ºC/W *Additional thermal information available on the Allegro website.
Power Dissipation versus Ambient Temperature
3500 3250 3000 2750 2500 2250 (R Package A (mW) QJA D 2000 = 38 ºC/W) 1750 Package LW (R 1500 QJA = 48 ºC/W) 1250 1000 750 Power Dissipation, P 500 250 0 25 50 75 100 125 150 Temperature (°C) Allegro MicroSystems, Inc. 2 115 Northeast Cutoff Worcester, Massachusetts 01615-0036 U.S.A. 1.508.853.5000; www.allegromicro.com