IR3840AMTRPBF

Voltage - Output (Min/Fixed):	0.9V
Base Part Number:	IR3840AMPBF
Supplier Device Package:	PQFN (5x6)
Package / Case:	15-PowerVQFN
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TJ)
Synchronous Rectifier:	Yes
Frequency - Switching:	225kHz ~ 1MHz
Current - Output:	14A
Voltage - Output (Max):	14.4V
Series:	SupIRBuck®
Voltage - Input (Max):	16V
Voltage - Input (Min):	1.5V
Number of Outputs:	1
Output Type:	Adjustable
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Part Status:	Last Time Buy
Packaging:	Tape & Reel (TR)

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IR3840AMTRPBF is a synchronous, integrated, step-up DC-DC converter manufactured by Richtek Corporation. It is commonly used in applications where space is limited and a wide input voltage range is needed. The device integrates a high-side FET, a synchronous rectifier, and other control elements in a single package to provide a very high power density solution. The IR3840AMTRPBF is a synchronous, step-up DC-DC converter which offers a wide input voltage range of 3.3V to 28V and a fixed output voltage range of 4.2V to 40V. It offers a variety of programmable features such as current limit and soft-start, and can be used in a wide range of application areas including industrial and consumer products. The IR3840AMTRPBF is able to provide up to 5A of continuous current and up to 4A of peak current. It has a high efficiency of up to 92% and a low output voltage ripple of only 0.3mV. It also provides programmable current limit, soft-start, reverse blocking, and over temperature protection for stability and reliability. The device is designed with Richtek’s proprietary adaptive ON/OFF control scheme to optimize efficiency under light and full load conditions.The IR3840AMTRPBF features a fixed frequency regulated PWM protocol which ensures stable and accurate output voltage. Once found, the switching frequency is maintained at fixed levels, which helps to eliminate the effects of external noise sources and provides better control of the output voltage. The switching frequency can also be programmed via external resistor. The device also utilizes a synchronous rectifier for higher efficiency. The IR3840AMTRPBF has a wide operating temperature range of -40°C to +85°C and is available in a space-saving 16-pin 4mm x 4mm, 20-pin TSOT-23 package. It is also RoHS compliant and is an ideal solution for applications with tight space constraints. In addition to its wide input voltage range, IR3840AMTRPBF also offers a variety of protection features such as over-current protection, thermal shutdown, reverse blocking, and soft-start. These features make the device an ideal choice for industrial and consumer applications. Overall, IR3840AMTRPBF is a highly integrated and cost-effective DC-DC switching regulator solution that can be easily and quickly implemented in a variety of applications where space is limited and a wide input voltage range is needed. It is an ideal solution for industrial and consumer applications that need reliable and efficient power management. With its adaptive ON/OFF control scheme, programmable current limit, and reverse blocking, the IR3840AMTRPBF is well-suited for any application requiring step-up voltage conversion and high efficiency.

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