July 2006 Rev 1 1/12
12
STS4DNFS30
N-channel - 30V - 0.044 - 4.5A SO-8
STripFET™ Power MOSFET plus schottky rectifier
General features
Description
This product associates the latest low voltage
STripFET™ in n-channel version to a low drop
Schottky diode. Such configuration is extremely
versatile in implementing a large variety of DC-DC
converters for printers, portable equipment.
Applications
Switching application
Internal schematic diagram
Type V
DSS
R
DS(on)
I
D
STS4DNFS30 30V <0.055 4.5A
Schottky I
F(AV)
V
RRM
V
F(MAX)
4.5A 30V 0.53V
SO-8
www.st.com
Order codes
Part number Marking Package Packaging
STS4DNFS30 S4DNFS30 SO-8 Tape & reel
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Contents STS4DNFS30
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Contents
1 Electrical ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
2 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2.1 Electrical characteristics (curves) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
3 Test circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
4 Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
5 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
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STS4DNFS30 Electrical ratings
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1 Electrical ratings
Table 1. Mosfet absolute maximum ratings
Symbol Parameter Value Unit
V
DS
Drain-source voltage (V
GS
= 0) 30 V
V
GS
Gate- source voltage ± 20 V
I
D
Drain current (continuous) at T
C
= 25°C 4.5 A
I
D
Drain current (continuous) at T
C
= 100°C 3.2 A
I
DM
(1)
1. Pulse width limited by safe operating area
Drain current (pulsed) 13 A
P
TOT
Total dissipation at T
C
= 25°C 2 W
Table 2. Schottky absolute maximum ratings
Symbol Parameter Value Unit
V
RRM
Repetitive peak reverse voltage 30 V
I
F(RMS)
RMS forward current 10 A
I
F(AV)
Average forward current
T
L
=125°C
δ=0.5
4A
I
FSM
Surge non repetitive forward current
tp=10ms
Sinusoidal
75 A
I
RRM
Repetitive peak reverse current
tp=2µs
F=1kHz
1A
I
RSM
Non repetitive peak reverse current tp=100µs 1 A
dv/dt Critical rate of rise of reverse voltage 10000 v/µs
Table 3. Thermal data
Symbol Parameter Value Unit
Rthj-amb Thermal resistance junction-amb Mosfet
(1)
1. Mounted on FR-4 board (steady state)
62.5 °C/W
T
stg
Storage temperature range Max -55 to 150 °C
T
j
Junction temperature -55 to 150 °C
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STS4DNFS30

Mfr. #:
Manufacturer:
STMicroelectronics
Description:
MOSFET N Ch 30V 0.044 Ohm 4.5A
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union

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