A2550 Allegro MicroSystems, Inc., A2550 Datasheet - Page 6

• Manufacturer Part Number: A2550
• Description: Relay Driver With 5 V Regulator For Automotive Applications
• Manufacturer: Allegro MicroSystems, Inc.

A2550
Figure 1. Dynamic thermal impedance of an individual output stage during active clamp
of an inductive load (mounted on a 4-layer PCB based on JEDEC standard).
100
Figure 2. Peak power dissipation curves for nonrepetitive clamped outputs. Output
voltage is clamped during turn-off of inductive loads while current decays.
20
18
16
14
12
10
10
8
6
4
2
0
1
0.01
0.01
Nonrepetitive Output Active Clamp Power Dissipation
Square Wave Power Pulse in a Single Output Stage
0.1
0.1
Dynamic Thermal Impedance
Time (ms)
Time (ms)
1
1
Relay Driver with 5 V Regulator
for Automotive Applications
10
10
T J = 25°C
T J = 125°C
115 Northeast Cutoff
1.508.853.5000; www.allegromicro.com
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 U.S.A.
100
100
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