Voltage - Input (Max):	28V
Supplier Device Package:	TO-220F-5
Package / Case:	TO-220-5 Full Pack (Formed Leads)
Mounting Type:	Through Hole
Operating Temperature:	-30°C ~ 125°C (TJ)
Synchronous Rectifier:	No
Frequency - Switching:	60kHz
Current - Output:	3A
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	3.3V
Series:	--
Voltage - Input (Min):	5.5V
Number of Outputs:	1
Output Type:	Fixed
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Part Status:	Obsolete
Packaging:	Tube

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

PMIC - Voltage Regulators - DC DC Switching Regulators

The SI-8033S type power module belongs to the PMIC (Power Management IC) voltage regulator family, and is a series of DC/DC switching regulators. This miniature module has a wide input voltage range (8V to 60V) and can provide a fixed output voltage of 5V, and provides up to 5A of continuous output current. The SI-8033S module retains many of the features of larger voltage regulators, including under-voltage lockout, external enable, thermal shutdown, and an adjustable frequency of up to 1MHz. The module is packaged in a surface-mountable SIP (Single-in-line Package) to save space, and measures just 26mm x 15mm. It combines a low-dropout regulator with a fast-switching switch in a single package. The working principle of the SI-8033S is based on the regulated flow of charge through a pair of internal switches, which are controlled by an internal control circuit. The switch is opened and closed in response to the output voltage, which is read by the control circuit. When the measured voltage is different from the set voltage, the switch is opened and closed accordingly to keep the output voltage continuously stable.an adjustable frequency of up to 1MHz. When the input power is applied, the switch is instantly activated by the control circuitry. The switch then closes and provides an output voltage with a very low dropout voltage, eliminating the need for external control circuitry. When the output current is low and the load is on the low side, the switch is slowly opened to prevent excessive power consumption. When the load is on the high side, the switch is opened faster to provide more output current. The SI-8033S has built-in over temperature protection, under-voltage lockout and external enable facilities. When the temperature rises above the set limit, the module will automatically shut down. Under-voltage lockout prevents the module from being operated at the wrong voltage level. The external enable facility allows the user to turn the module on or off through an external control signal.The SI-8033 series is suitable for a wide range of applications, such as IPC power supplies, industrial power supplies, medical equipment, automotive systems and digital home appliances. Due to its small size, high efficiency and low power dissipation, the SI-8033S is an ideal solution for applications with space and power constraints. The SI-8033S offers high efficiency, low ripple and noise, low input-output voltage differential and a wide input voltage range. It is designed for use with wide input voltage spikes and high frequency noise. The module has excellent EMI performance, with lower EMI than a standard linear regulator. In addition, the SI-8033S is designed for high-reliability applications and is protected against over-voltage, over-current and short-circuit conditions. The SI-8033S is an ideal solution for applications requiring voltage regulation in a wide range of environments. It offers superior performance in terms of voltage regulation and current delivery, while its low power consumption and small size make it suitable for a variety of applications. It is a reliable and cost-effective voltage-regulation solution for industrial, automotive, medical and digital home applications.

The specific data is subject to PDF, and the above content is for reference