NCP1034DR2G

Frequency - Switching:	25kHz ~ 500kHz
Base Part Number:	NCP1034
Supplier Device Package:	16-SOIC
Package / Case:	16-SOIC (0.154", 3.90mm Width)
Operating Temperature:	-40°C ~ 125°C (TJ)
Control Features:	Current Limit, Enable, Frequency Control, Soft Start
Serial Interfaces:	--
Clock Sync:	Yes
Synchronous Rectifier:	Yes
Duty Cycle (Max):	80%
Series:	--
Voltage - Supply (Vcc/Vdd):	10 V ~ 18 V
Output Phases:	1
Number of Outputs:	1
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Output Type:	Transistor Driver
Part Status:	Active
Packaging:	Tape & Reel (TR)

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The NCP1034DR2G is a high-performance switch-mode voltage regulator specifically designed for quick and easy implementation in single cell lithium-ion (Li-ion) battery-powered applications. It is a DC/DC switch-mode controller, featuring a current mode control for improved powerstage design and reliability. This device is capable of up to 95% efficiency in a step-up (boost) configuration, making it an ideal choice for battery-backed supplies and applications where power-to-space ratio is a priority.The NCP1034DR2G is designed to regulate the output voltage by re-directing the battery’s current to the appropriate load. It provides excellent line and load regulation. The device also offers an Under-Voltage Lock-Out (UVLO) to protect against unpredicted conditions such as short circuit and over current.The NCP1034DR2G operates in a current-mode, fixed frequency architecture. The switching frequency is set internally. This eliminates the need for an external frequency setting resistor and achieves a redefined current limit ratio. This architecture allows the NCP1034DR2G to interact with the battery chemistry such that measured efficiency is exceptionally high for a single-cell Li-ion powered application.The NCP1034DR2G includes a Built-In Terminator (BIT) function to reduce the output voltage ripple by providing loss-free voltage surfing without external diodes or transistors. The NCP1034DR2G can also be set up to operate in a continuous mode, with no voltage ripple limitation, thus eliminating the need for external components such as diodes and capacitors.The NCP1034DR2G will provide the user with a strong performance and reliability. This is due to its current mode architecture, which allows precise control over the system and precise voltage regulation, as well as its high efficiency design and its capability of providing loss-free voltage surfing. This device is designed to provide precise current control and precise voltage regulation, which makes it ideal for Li-ion battery applications where power-to-space ratio is a priority.The NCP1034DR2G is an ideal DC/DC switching controller, works with an On/OFF input signal, can operate in continuous or step-up (boost) mode, and provides precise voltage regulation. This device is also capable of providing excellent line and load regulation, as well as protection against unpredicted conditions through its Under-Voltage Lock-Out (UVLO) function.In summary, the NCP1034DR2G is an excellent choice for single cell Li-ion powered applications. It provides a wide range of features, including current-mode control, high efficiency, precision voltage regulation and termination. The NCP1034DR2G is a high-performance switch-mode voltage regulator that is capable of up to 95% efficiency in a step-up (boost) configuration, making it an ideal choice for battery-backed supplies and applications where power-to-space ratio is a priority.

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