STBB3JR

Voltage - Output (Min/Fixed):	1.2V
Base Part Number:	STBB3J
Supplier Device Package:	20-Flip-Chip (2.5x1.75)
Package / Case:	20-UFBGA, FCBGA
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Synchronous Rectifier:	Yes
Frequency - Switching:	2MHz
Current - Output:	2A
Voltage - Output (Max):	5.5V
Series:	--
Voltage - Input (Max):	5.5V
Voltage - Input (Min):	1.8V
Number of Outputs:	1
Output Type:	Adjustable
Topology:	Buck-Boost
Output Configuration:	Positive
Function:	Step-Up/Step-Down
Part Status:	Active
Packaging:	Tape & Reel (TR)

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STBB3JR Application Field and Working Principle

STBB3JR is a DC-DC topology in a PMIC – Voltage Regulators – DC DC Switching Regulators application field. The main feature of this product is its high efficiency and robustness. It features low quiescent current, high switching frequency, low VCEsat.DC-DC topology is a general term used to describe an arrangement of components used to convert DC power from one voltage source to another. The components may include switch-mode power supplies, rectifier circuits, linear regulators, and other voltage converters. The advantage of a DC-DC topology is that it provides flexibility in terms of power management and efficiency.The STBB3JR is specifically designed to maximize efficiency (up to 96%) while maintaining a high level of stability and robustness. This makes it ideal for a variety of applications such as industrial, automotive, and network servers.The STBB3JR\'s switching frequency is adjustable from 3kHz to 1MHz depending on the needs of the application. This allows the STBB3JR to be optimized for different application requirements. It also allows for the design of a compact and efficient power module.The STBB3JR works on the principle of pulse-width modulation (PWM). PWM is a type of modulation where the voltage is continuously switched between two states for a certain period of time. With PWM, the output voltage is regulated by varying the length of the pulses that switch the voltage states.The STBB3JR features a built-in voltage regulator IC which has adjustable resistor networks. This IC allows for the programming of various parameters such as input voltage, output voltage, output current, and switching frequency. The IC also includes built-in protection features such as over-voltage, under-voltage, and over-temperature protection.To prolong the life of the device, the STBB3JR is designed to have low quiescent current. This ensures that the device will not draw too much current when not in use. The low quiescent current also helps to maintain a high efficiency rate during operation.In conclusion, the STBB3JR is a robust and efficient DC-DC topology in the PMIC-Voltage Regulators-DC DC Switching Regulators application field. It features a high switching frequency, adjustable resistor networks, and built-in protection features. Additionally, it maintains a high efficiency rate with low quiescent current. This makes it suitable for a wide range of applications such as industrial, automotive, and network servers.

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