The STEVAL-ISA083V1, based on the ST1S40IPUR, is an internally compensated 800 kHz fixed-frequency PWM synchronous step-down converter demonstration board.
The ST1S40 operates from 4.0 V to 18.0 V input, while it regulates an output voltage as low as 0.8 V and up to VIN(100% duty cycle).
The ST1S40 integrates a 95 mΩ high-side switch and a 69 mΩ synchronous rectifier allowing very high efficiency with very low output voltage.
The peak current mode control with internal compensation delivers a very compact solution with a minimum component count.
The ST1S40 is protected through cycle-by-cycle current limiting in case of overload and is also protected by a current foldback function with frequency reduction in case of short-circuit.
The device is available with an enable on/off function.
|DB1449: 4 A peak 800 kHz fixed-frequency PWM synchronous step-down demonstration board with enable on/off based on the ST1S40IPUR||1.1||109 KB|
|STEVAL-ISA083V1 gerber files||2.1||106 KB|
|STEVAL-ISA083V1 BOM||1.0||70 KB|
|STEVAL-ISA083V1 schematics||1.0||37 KB|
|Evaluation products license agreement||1.4||128 KB|
|型号||Core Product||Marketing Status||Unit Price (US$) *||Quantity||ECCN (EU)||ECCN (US)||Country of Origin||More info||Order from ST||Order from Distributors|
|STEVAL-ISA083V1||ST1S40IPUR||Active : Product is in volume production||51||1||NEC||EAR99||ITALY||MORE INFO||DISTRIBUTOR AVAILABILITY|
|型号||Marketing Status||Package||Grade||RoHS Compliance Grade||Material Declaration**|
(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.