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STD85N3LH5
STP85N3LH5, STU85N3LH5
N-channel 30 V, 0.0042 , 80 A, DPAK, TO-220, IPAK
STripFETTM V Power MOSFET

Features
Type VDSS RDS(on) max. ID
3
STD85N3LH5 1
3
2
STP85N3LH5 30 V < 0.005 80 A 1
DPAK
STU85N3LH5 IPAK

RDS(on) * Qg industry benchmark
Extremely low on-resistance RDS(on) 3
2
1
High avalanche ruggedness
TO-220
Low gate drive power losses

Application
Switching applications
Figure 1. Internal schematic diagram

Description
This product utilizes the 5th generation of design
rules of ST's proprietary STripFETTM technology.
The lowest available RDS(on)*Qg, in the standard
packages, makes this device suitable for the most
demanding DC-DC converter applications, where
high power density is to be achieved.

Table 1. Device summary
Order codes Marking Package Packaging

STD85N3LH5 DPAK Tape and reel
STP85N3LH5 85N3LH5 TO-220
Tube
STU85N3LH5 IPAK

July 2010 Doc ID 13833 Rev 7 1/16
www.st.com 16
Contents STD85N3LH5, STP85N3LH5, STU85N3LH5

Contents

1 Electrical ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

2 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2.1 Electrical characteristics (curves) ............................ 6

3 Test circuit ............................................... 8

4 Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

5 Packaging mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

6 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

2/16 Doc ID 13833 Rev 7
STD85N3LH5 Electrical ratings

1 Electrical ratings

Table 2. Absolute maximum ratings
Symbol Parameter Value Unit

VDS Drain-source voltage (VGS = 0) 30 V
VDS Drain-source voltage (VGS = 0) @ TJMAX 35 V
VGS Gate-source voltage