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STS17NF3LL
N-CHANNEL 30V 0.0045 OHM 17A SO-8 STRIPFET MOSFET FOR DC-DC CONVERSION
1/8November 2002
STS17NF3LLN-CHANNEL 30V - 0.0045 Ω - 17A SO-8
STripFET™ II MOSFET FOR DC-DC CONVERSION TYPICAL RDS(on) = 0.0045 Ω @ 10V OPTIMAL RDS(on) x Qg TRADE-OFF @ 4.5V CONDUCTION LOSSES REDUCED SWITCHING LOSSES REDUCED
DESCRIPTIONThis application specific Power MOSFET is the
second generation of STMicroelectronis unique
"Single Feature Size™" strip-based process. The
resulting transistor shows the best trade-off
between on-resistance and gate charge. Such
features make it the best choice in high efficiency
DC-DC converters for Telecom and computer
industries.
APPLICATIONS DC-DC CONVERTERS FOR TELECOM AND
NOTEBOOK CPU CORE SYNCHRONOUS RECTIFIER
INTERNAL SCHEMATIC DIAGRAM
ABSOLUTE MAXIMUM RATINGS(•) Pulse width limited by safe operating area.
STS17NF3LL
THERMAL DATA(*) When Mounted on 1 inch2 FR-4 board, 2 oz of Cu and t [ 10 sec.
ELECTRICAL CHARACTERISTICS (Tcase = 25 °C unless otherwise specified)OFF
ON (*)
DYNAMIC
3/8
STS17NF3LLSafe Operating Area
SWITCHING ON
SWITCHING OFF
SOURCE DRAIN DIODE
(*)Pulsed: Pulse duration = 300 μs, duty cycle 1.5 %.
(•)Pulse width limited by safe operating area.
ELECTRICAL CHARACTERISTICS (continued)
STS17NF3LLOutput Characteristics Transfer Characteristics
5/8
STS17NF3LL .
Normalized Gate Threshold Voltage vs Temperature Normalized on Resistance vs Temperature .
STS17NF3LL
Fig. 2: Gate Charge test Circuit
Fig. 1: Switching Times Test Circuits For Resistive Load
