SIP12109DMP-T1-GE4

Voltage - Output (Min/Fixed):	0.6V
Base Part Number:	SIP12109
Supplier Device Package:	16-QFN (3x3)
Package / Case:	16-VFQFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Synchronous Rectifier:	Yes
Frequency - Switching:	400kHz ~ 1.5MHz
Current - Output:	4A
Voltage - Output (Max):	5.5V
Series:	--
Voltage - Input (Max):	15V
Voltage - Input (Min):	4.5V
Number of Outputs:	1
Output Type:	Adjustable
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction
SIP12109DMP-T1-GE4 is an intelligent power management integrated circuit (IPMIC). It is a DC-DC switching regulator and is designed to provide a highly reliable and efficient power source for digital devices and system. The SIP12109DMP-T1-GE4 IPMIC integrates special power management functions. It provides multiple output levels, soft start, over-current protection and low noise output. The device is capable of providing a maximum of 4A output current in a wide range of input voltage levels. It only requires an external resistor to set the output voltage. Application Field
The SIP12109DMP-T1-GE4 IPMIC can be used in a variety of fields including communications, computers, consumer electronics, and industrial. It is especially suitable for applications that require high efficiency, high output current and fast response time. These applications include PC\'s, servers, routers, telecommunication systems, electronic gaming systems, industrial controllers, and automotive electronic systems.Working Principle
The SIP12109DMP-T1-GE4 IPMIC uses a switching-mode power supply (SMPS) to provide highly efficient power regulation. It operates by efficiently controlling the switching frequency, duty cycle and level shift of the input voltage, to obtain the desired output levels. The integrated circuit includes a power switch and a high-frequency transformer (HF-TR). The power switch is used to convert the input voltage source into output voltage. The HF-TR is used to isolate the input and output circuit, providing electrical isolation and protecting against overvoltage and electromagnetic interference (EMI). The power switch includes a power transistor module, which is used to control the frequency of the switching. The transistor is operated in both linear and discontinuous conduction mode (DCM). In linear conduction, the current to the load is constant, while in DCM mode it is pulsed.Over-Current Protection
The SIP12109DMP-T1-GE4 IPMIC provides multiple levels of over-current protection, to ensure that the output current does not exceed the maximum value. In the case of an over-current fault condition, the circuit will shut down, preventing further damage to the system.Soft Start Feature
The SIP12109DMP-T1-GE4 IPMIC also provides an optional soft start feature, that can be enabled by an external resistor. When enabled, the chip slowly ramps up the power output, allowing the system to gradually power up, preventing damage due to inrush current.Conclusion
The SIP12109DMP-T1-GE4 IPMIC is an efficient, reliable and cost-effective DC-DC switching regulator. It provides multiple output levels, over-current protection and a soft start feature. It is suitable for applications in a wide range of fields, including communications and consumer electronics.

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