ACT30BHT-1119

Voltage - Supply (Vcc/Vdd):	3.35 V ~ 18 V
Mounting Type:	Through Hole
Supplier Device Package:	TO-92
Package / Case:	TO-226-3, TO-92-3 (TO-226AA) (Formed Leads)
Operating Temperature:	-40°C ~ 150°C (TJ)
Control Features:	--
Fault Protection:	Current Limiting, Short Circuit
Frequency - Switching:	65kHz
Duty Cycle:	75%
Series:	ActiveSwitcher™
Voltage - Start Up:	9.6V
Topology:	Flyback
Voltage - Breakdown:	--
Internal Switch(s):	No
Output Isolation:	Isolated
Part Status:	Not For New Designs
Packaging:	Tape & Box (TB)

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ACT30BHT-1119 Application Field and Working Principle

PMIC - AC DC Converters, Offline SwitchersAn AC/DC converter is an uninterruptible power supply device that provides reliable energy to an electrical system or appliance. It is typically composed of electrical components like rectifiers, transformers, and switching circuits. The AC/DC converter has a wide range of uses, ranging from providing power to a laptop or smartphone, to providing protection against electrical disruptions. The ACT30BHT-1119 is one such AC/DC converter, designed for good efficiency and power line quality. It is designed for applications such as solar power, renewable energy applications, and portable electronic devices.The ACT30BHT-1119 power conversion system is an offline switching DC/DC converter, with an operating frequency of around 100kHz or higher. It is composed of the main power components such as the MOSFET, a transformer, diodes and capacitors. Additionally, it includes protections and indication, such as undervoltage lock-out and over current protection.The ACT30BHT-1119 is designed in a buck-boost topology and has a wide range of single-ended input voltage, such as 5V to 18V. It also has a wide range of single-ended output voltage, such as 0.6V to 18V. The output power is up to 10 watts at a high efficiency of 87%. It includes a wide range of features that can be utilized for design flexibility. This includes adjustable soft start, enable control, and a power saving mode.The ACT30BHT-1119 is designed for various applications due to its wide input voltage and output voltage range. It could be used for applications that require a stable source of power, such as solar panel or renewable energy sources. Additionally, it can be used in laptops, smart phones or other portable electronic devices.The working principle of the ACT30BHT-1119 is based on a buck-boost topology. The input voltage is received via a rectifier and then is converted to a DC voltage. This DC voltage is then stepped down using a MOSFET and a transformer, before it is rectified again to convert it to the desired output voltage. This is done by regulating the duty cycle of the MOSFET. The MOSFET is necessary to stabilize the output voltage and is also responsible for improving the power efficiency.The ACT30BHT-1119 also includes a number of protection and indication features. These include an under voltage lock-out, to ensure that the output voltage never drops below a certain level, and an over current protection, to protect it from any over current surges. Additionally, it features short-circuit protection, which protects the device from any short-circuits, and indication LEDs that signify the status of the AC/DC converter.In conclusion, the ACT30BHT-1119 is an AC/DC converter designed for a wide range of single-ended input and output voltages. It is designed for good efficiency and power line quality, making it suitable for various applications ranging from renewable energy sources to laptop or smartphone applications. It utilizes a buck-boost topology to step down the input voltage and convert it to the desired output voltage. Additionally, it includes a number of protection and indications, which make it a reliable device to use.

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