
Allicdata Part #: | S-8353H33UA-IWST2U-ND |
Manufacturer Part#: |
S-8353H33UA-IWST2U |
Price: | $ 0.43 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | ABLIC U.S.A. Inc. |
Short Description: | IC REG BOOST 3.3V 0.3A SOT89-3 |
More Detail: | Boost Switching Regulator IC Positive Fixed 3.3V 1... |
DataSheet: | ![]() |
Quantity: | 1000 |
1000 +: | $ 0.39123 |
Voltage - Input (Max): | 10V |
Supplier Device Package: | SOT-89-3 |
Package / Case: | TO-243AA |
Mounting Type: | Surface Mount |
Operating Temperature: | -40°C ~ 85°C (TA) |
Synchronous Rectifier: | No |
Frequency - Switching: | 250kHz |
Current - Output: | 300mA (Switch) |
Voltage - Output (Max): | -- |
Voltage - Output (Min/Fixed): | 3.3V |
Series: | -- |
Voltage - Input (Min): | 0.9V |
Number of Outputs: | 1 |
Output Type: | Fixed |
Topology: | Boost |
Output Configuration: | Positive |
Function: | Step-Up |
Part Status: | Active |
Packaging: | Tape & Reel (TR) |
Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us: sales@allicdata.com
S-8353H33UA-IWST2U Application Field and Working Principle
The S-8353H33UA-IWST2U is a Regulated Switching DC/DC Voltage Regulator which is specially designed for embedded applications. This device is suitable for devices like sensors, portable devices, and other home appliances. It has a wide operating temperature range, from -40°C to +85°C, and it supports input voltage range of 5.5 volts to 16 volts and output voltage of 1.2 volts to 5.3 volts. It is circuit protection with current limit, over voltage protection, under voltage protection and thermal shutdown. Furthermore, it is adjustable and is provided with a short-circuit protection circuit and it has a fast transient response with low ripple up to 20 mV.
So, now let us look at the S-8353H33UA-IWST2U’s application field and working principle. In terms of its application, this device has its use in embedded applications, such as sensors, portable devices, and home appliances, as mentioned earlier. It is also used in other fields such as industrial, automotive, network, and medical.
Now let us look at the working principle of the S-8353H33UA-IWST2U. It works on the principle of DC/DC voltage regulation. In this, a DC/DC converter is used to convert the input voltage to the required voltage. This is done by using a switching circuit to transfer energy from one source to another through the use of an inductor, a capacitor, and a transformer. This switching circuit is operated by the PWM (Pulse Width Modulation) technique. The PWM technique is used to regulate the output voltage. It works by switching on and off the power supply to regulate the output voltage. The speed of the switching is determined by the internal clock frequency, which is adjustable. The higher the frequency of the clock, the faster the switching occurs. By controlling the frequency of the clock, we can control the output voltage.
The S-8353H33UA-IWST2U has two operating modes, namely Discontinuous Conduction Mode and Continuous Conduction Mode. In Discontinuous Conduction Mode (DCM), the power switch is turned on when the capacitor discharges and the voltage is lower than the reference voltage. The capacitor then Charges again when the switch is turned off. In Continuous Conduction Mode (CCM), the power switch is always turned on, and the capacitor never discharges completely. This mode is used for applications which require high power.
Lastly, the S-8353H33UA-IWST2U has a current limit and over voltage protection feature which helps in protecting the device from short-circuit, current surge, and over voltage. It also has a short-circuit protection circuit which helps to protect the IC from accidental short circuit. Additionally, it has a thermal shutdown feature which helps in preventing the device from over-heating.
In conclusion, the S-8353H33UA-IWST2U is a Regulated DC/DC Switching Voltage Regulator which has many applications in embedded, industrial, automotive, network, and medical fields. It has a wide operating temperature range, from -40°C to +85°C and it supports an input voltage range of 5.5 volts to 16 volts and output voltage of 1.2 volts to 5.3 volts. It is Circuit protection with current limit, over voltage protection, under voltage protection and thermal protection. Furthermore, it has a fast transient response with low ripple up to 20mV, and adjustable current limit.
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