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STI3471

500kHz, 18V, 3.0A Synchronous Step-Down Converter
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Market price
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Number of views:
1000
Product serial number
VIN Range(V):
4.5 to 18
IOUT(A):
3
Switching Frequency(Hz):
500k
VFB(V):
0.6
Iq(μA):
300
HSFET Rds(on)(Ω):
0.08
LSFET Rds(on)(Ω):
0.04
Control Mode:
COT
Functions:
PFM
Package:
SOT23-6
Status:
MP
Quantity
-
+
Stock:
0
FEATURES
Parameters
GENERAL DESCRIPTION
APPLICATIONS
TYPICAL APPILCATION

. High Efficiency: Up to 93%(@3.3V)
. 500KHz Frequency Operation
. 3.0A Output Current
. Low RDSON for internal switches: 80mΩ /40mΩ(top/bottom)
. 4.5V to 18V Input Voltage Range
. 0.6V Reference
. Instant PWM architecture to achieve fast transient responses
. Integrated internal compensation
. Stable with Low ESR Ceramic Output Capacitors
. Thermal Shutdown
. Inrush Current Limit and Soft Start
. Available in SOT23-6 Package

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The STI3471 is a high-efficiency 500kHz switching frequency synchronous Buck DC-DC converter with capability of delivering 3A output current. STI3471 integrates main switch and synchronous switch with very low RDS(ON) to minimize the conduction loss. Low output voltage ripple and small external inductor and capacitor size are achieved with 500KHz switching frequency. It adopts the instant PWM architecture to achieve fast transient responses for high step-down applications.

The STI3471 requires a minimum number of readily available standard external components and is available in a 6-pin SOT23 ROHS compliant package.

. Distributed Power Systems
. Digital Set Top Boxes
. Flat Panel Television and Monitors
. Notebook computer
. Wireless and DSL Modems

 

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2020-09-14 15:04:33
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