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RT9204, RT9204CS, RT9205

Table of contents:
Info of RT9204
Info of RT9204CS
Info of RT9205

RT9204, RT9204CS, RT9205 Selling Leads, Datasheet

MFG:PICHTEK Package Cooled:RT D/C:04+

RT9204, RT9204CS, RT9205 Datasheet download

Five Points

Part Number: RT9204

MFG: PICHTEK

Package Cooled: RT

D/C: 04+

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RT9205 General Description

TheRT9205/Ais a dual-output power controllers designed for high performance graphics cards and personal computers. The IC integrates a synchronous buck controller, a linear controller and protection functions into a small 14-pin package.

The RT9205/A uses an internal compensated voltage mode PWMcontrol for simplying design.An internal 0.8V reference allows the output voltage to be precisely regulated tomeet lowoutput voltage requirement.A fixed 300kHz oscillation frequency reduces the component size for saving board area.

The RT9205/A also features over voltage protection (OVP) and under voltage lock-out (UVLO).

RT9205 Maximum Ratings

` Supply Voltage VCC ----------------------------------------------------------------------7V
` BOOT & UGATE toGND ----------------------------------------------------------------- 19V
`Input, Output or I/O Voltage ------------------------------------------------GND-0.3V to 7V
` Package Thermal Resistance
SOP-14, JA ----------------------------------------------------------------------160°C/W
` Ambient Temperature Range ---------------------------------------------- 0°C to +70°C
` Junction Temperature Range --------------------------------------------40°C to +125°C
` Storage Temperature Range------------------------------------------- -65°C to +150°C
` Lead Temperature (Soldering, 10 sec.) ---------------------------------------------260°C

RT9205 Features

· Operates at 5V
· 0.8V Internal Reference
· Drives Two N-Channel MOSFET
· Voltage Mode PWM Control
· Fast Transient Response
· Fixed 300kHz Oscillator Frequency
· Dynamic 0 to 100%Duty Cycle
· Internal PWM Loop Compensation
· Internal Soft-Start
· AdaptiveNon-Overlapping Gate Driver
· Over-Voltage Protection Uses LowerMOSFET
·RoHS Compliant and 100%Lead (Pb)-Free

RT9205 Typical Application

· PCMotherboard
· Cable Modems, Set-Top-Box, and XDSLModems
· DSP and Core Communications Processor Supplies
· Memory Power Supplies
· Personal Computer Peripherals
· Industrial Power Supplies
· 5V Input DC-DC Regulators
· Low Voltage Distributed Power Supplies
· Graphic Cards

RT9205 Connection Diagram

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