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RT8272GSP 3A, 24V, 1.2MHz Step-Down high voltage buck Converter in
SOP8 package
General Description
The RT8272 is a high voltage buck converter that can support the
input voltage range from 4.75V to 24V and the output current can be
up to 3A. Current Mode operation provides fast transient response
and eases loop stabilization. The chip provides protection
functions such as cycle-bycycle current limiting and thermal
shutdown protection. In shutdown mode, the regulator draws 25μA of
supply current. The RT8272 is available in a SOP-8 (Exposed Pad)
surface mount package.
Features
Wide Operating Input Range : 4.75V to 24V
Adjustable Output Voltage Range : 0.92V to 15V
Output Current up to 3A z 25μA Low Shutdown Current z Power MOSFET
: 0.1Ω
High Efficiency up to 95% z 1.2MHz Fixed Switching Frequency
Stable with Low ESR Output Ceramic Capacitors
Thermal Shutdown Protection
Cycle-By-Cycle Over Current Protection
RoHS Compliant and Halogen Free
Applications
Distributive Power Systems
Battery Charger z DSL Modems
Pre-regulator for Linear Regulators
Manufacturer | Richtek USA Inc. | |
---|---|---|
Series | - | |
Packaging | Tape & Reel (TR) | |
Part Status | Active | |
Function | Step-Down | |
Output Configuration | Positive | |
Topology | Buck | |
Output Type | Adjustable | |
Number of Outputs | 1 | |
Voltage - Input (Min) | 4.75V | |
Voltage - Input (Max) | 24V | |
Voltage - Output (Min/Fixed) | 0.92V | |
Voltage - Output (Max) | 15V | |
Current - Output | 3A | |
Frequency - Switching | 1.2MHz | |
Synchronous Rectifier | No | |
Operating Temperature | -40°C ~ 85°C (TA) | |
Mounting Type | Surface Mount | |
Package / Case | 8-SOIC (0.154", 3.90mm Width) Exposed Pad | |
Supplier Device Package | 8-SOP-EP |
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