Datasheet A4988 (Allegro) - 5
| Manufacturer | Allegro |
| Description | DMOS Microstepping Driver with Integrated Translator, 1/16th Step Resolution, and Automatic Decay Selection in 28-QFN (4x5) package |
| Pages / Page | 20 / 5 — DMOS Microstepping Driver. A4988. with Translator and Overcurrent … |
| File Format / Size | PDF / 1.2 Mb |
| Document Language | English |
DMOS Microstepping Driver. A4988. with Translator and Overcurrent Protection. THERMAL CHARACTERISTICS. Characteristic. Symbol
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DMOS Microstepping Driver A4988 with Translator and Overcurrent Protection THERMAL CHARACTERISTICS Characteristic Symbol Test Conditions* Value Units
Package Thermal Resistance RθJA Four-layer PCB, based on JEDEC standard 32 °C/W *Additional thermal information available on Allegro website.
Power Dissipation versus Ambient Temperature
4.00 3.50 3.00 (W)D 2.50 RθJA = 3 2.00 2 ºC/W Dissipation, P 1.50 Power 1.00 0.50 0 20 40 60 80 100 120 140 160 Temperature, TA (°C) 5 Allegro MicroSystems 955 Perimeter Road Manchester, NH 03103-3353 U.S.A. www.allegromicro.com
Package Thermal Resistance RθJA Four-layer PCB, based on JEDEC standard 32 °C/W *Additional thermal information available on Allegro website.
Power Dissipation versus Ambient Temperature
4.00 3.50 3.00 (W)D 2.50 RθJA = 3 2.00 2 ºC/W Dissipation, P 1.50 Power 1.00 0.50 0 20 40 60 80 100 120 140 160 Temperature, TA (°C) 5 Allegro MicroSystems 955 Perimeter Road Manchester, NH 03103-3353 U.S.A. www.allegromicro.com