Vishay Siliconix
Si7157DP
www.vishay.com
6
Document Number: 62860
S13-1665-Rev. A, 29-Jul-13
This document is subject to change without notice.
THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
For technical questions, contact: pmostechsupport@vishay.com
TYPICAL CHARACTERISTICS (25 °C, unless otherwise noted)
Vishay Siliconix maintains worldwide manufacturing capability. Products may be manufactured at one of several qualified locations. Reliability data for Silicon
Technology and Package Reliability represent a composite of all qualified locations. For related documents such as package/tape drawings, part marking, and
reliability data, see www.vishay.com/ppg?62860
.
Normalized Thermal Transient Impedance, Junction-to-Ambient
0.01
0.1
1
0.0001 0.001 0.01 0.1 1 10 100 1000
Normalized Effective Transient
Thermal Impedance
Square Wave Pulse Duration (s)
Duty Cycle = 0.5
0.2
0.1
0.05
0.02
Single Pulse
t
1
t
2
Notes:
P
DM
1. Duty Cycle, D =
2. Per Unit Base = R
thJA
=54 °C/W
3. T
JM
-T
A
=P
DM
Z
thJA
(t)
t
1
t
2
4. Surface Mounted
Normalized Thermal Transient Impedance, Junction-to-Case
0.01
0.1
1
0.0001 0.001 0.01 0.1 1
Normalized Effective Transient
Thermal Impedance
Square Wave Pulse Duration (s)
Duty Cycle = 0.5
0.2
0.1
0.05
0.02
Single Pulse