LTC1682CMS8-5#TRPBF

Voltage - Output (Min/Fixed):	5V
Base Part Number:	LTC1682
Supplier Device Package:	8-MSOP
Package / Case:	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	0°C ~ 70°C (TA)
Synchronous Rectifier:	No
Frequency - Switching:	550kHz
Current - Output:	50mA
Voltage - Output (Max):	--
Series:	--
Voltage - Input (Max):	4.4V
Voltage - Input (Min):	1.8V
Number of Outputs:	1
Output Type:	Fixed
Topology:	Charge Pump
Output Configuration:	Positive
Function:	Step-Up
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

The LTC1682CMS8-5#TRPBF is a type of high performance Power Management Integrated Circuit (PMIC) voltage regulator. Its base of operation is on Direct Current (DC) to DC switching regulatory technology. It is manufactured by Linear Technology Corporation and the chip is well known for its accurate output current control over low duty cycle.

Application Field

The LTC1682CMS8-5#TRPBF is designed for a wide range of applications, with focus on the areas like industrial, communication, consumer electronics and automotive. Its use is especially in the areas of power conversion, like DC to DC current regulation and buck operation. In addition, it also serves as a reliable device for supplying baseband power in mobile communication base stations.

Working Principle

The LTC1682CMS8-5#TRPBF operates on the concept of Maximum Duty Cycle control. It works using a comparator-style architecture where it regulates the current by varying the duty cycle between a pre-determined maximum duty cycle and a min duty cycle when it is near the maximum current limit. The LTC1682CMS8-5#TRPBF can be programmed to output with a voltage accuracy of 11%. The maximum duty cycle is programmed by a low voltage resistor divider and is usually chosen between 0% and 95%.The LTC1682CMS8-5#TRPBF has a capability to provide accurate current source regulation and current sinks regulation with minimal nonlinearity. The device features a wide input voltage range of between 6V and 60V and an output current range of between 0.1A to 2A. This makes the regulator suitable for a wide range of applications.The device also comes with high accuracy current monitoring and status bits that can be monitored using a serial interface. This feature provides a direct display of the output current in the form of a voltage. The voltage is read electronically thereby allowing easy adjustability and access to the regulator\'s output current. The device also features an on-chip flow control circuit which provides improved accuracy during step load and dynamic current profiling. The on-board current sense circuit of the device allows it to achieve greater accuracy during transient conditions and thereby increases the dynamic performance of the system.In addition, the LTC1682CMS8-5#TRPBF is suited for multiple-mode operation and provides quiescent current of 150µA. It is an excellent choice for applications that require space savings as the regulator and support circuit fit within a tiny 5mm × 5mm, 16-lead plastic and thermal heat spreader (HTSSOP) package.

Conclusion

The LTC1682CMS8-5#TRPBF is a type of high performance Power Management Integrated Circuit (PMIC) voltage regulator based on Direct Current (DC) to DC switching regulatory technology. It is designed for a wide range of applications and its use is especially in the areas of power conversion, like DC to DC current regulation and buck operation. The device features a wide input voltage range of between 6V and 60V and an output current range of between 0.1A to 2A. Its also comes with high accuracy current monitoring and status bits that can be monitored using a serial interface. It also has an on-chip flow control circuit which provides improved accuracy during step load and dynamic current profiling. It is an excellent choice for applications that require space savings and comes with a quiescent current of 150µA.

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