LM3704XCBP-308 Allicdata Electronics
Allicdata Part #:

LM3704XCBP-308TR-ND

Manufacturer Part#:

LM3704XCBP-308

Price: $ 0.00
Product Category:

Integrated Circuits (ICs)

Manufacturer: Texas Instruments
Short Description: IC MPU SUPERVISR 3.08V 9MICROSMD
More Detail: Supervisor Push-Pull, Totem Pole 1 Channel 9-µSMD ...
DataSheet: LM3704XCBP-308 datasheetLM3704XCBP-308 Datasheet/PDF
Quantity: 1000
Stock 1000Can Ship Immediately
Specifications
Series: --
Packaging: Tape & Reel (TR) 
Part Status: Discontinued at Digi-Key
Type: Simple Reset/Power-On Reset
Number of Voltages Monitored: 1
Output: Push-Pull, Totem Pole
Reset: Active Low
Reset Timeout: 140 ms Minimum
Voltage - Threshold: 3.08V
Operating Temperature: -40°C ~ 85°C (TJ)
Mounting Type: Surface Mount
Package / Case: 9-VFBGA
Supplier Device Package: 9-µSMD (1.41x1.41)
Base Part Number: LM3704
Description

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Power management integrated circuits (PMICs) have become an essential element of nearly all electronic devices. They enable a range of functions, from power supply sequencing and voltage conversion to monitoring, providing a reliable power source for many devices. Supervisors are one type of PMIC, used for monitoring and reporting important events, such as power-on reset, supply faults and power sequencing, either autonomously or in conjunction with a microcontroller. The LM3704XCBP-308 is a supervisor IC from Texas Instruments, intended for power multiplexing and system voltage monitoring applications.

LM3704XCBP-308 Application Field

The LM3704XCBP-308 is relatively compact for its feature set, measuring 4mm by 4mm in a quad flat no-lead (QFN) package. This makes it an ideal choice for products where space is at a premium, such as handheld and battery operated devices. It accepts inputs of 1.65V to 5.5V, and includes an on-chip precision voltage reference, allowing it to be used in a wide range of applications.

The LM3704XCBP-308 has a number of advanced features that can be used to increase the reliability of power supplies and to simplify system design. It has a power-up and power-down monitoring system which can be used to sequence the power-on of multiple devices. It also supports system voltage monitoring and reporting; should the input voltage fall below a user-defined threshold, the output will go low or into a reset state, alerting the system that the voltage is too low for normal operation. This can be used as a safety measure to protect vital parts of the circuit.

The LM3704XCBP-308 is specifically designed for use in handheld and mobile applications. It has an input voltage range of 1.65V to 5.5V and an operating temperature range from -40C to 85C, making it suitable for a wide range of operating conditions. In addition, the on-board precision voltage reference allows the supervisor to accurately monitor system voltages and provide reliable voltage monitoring and power sequencing.

LM3704XCBP-308 Working Principle

The LM3704XCBP-308 works by monitoring the voltage level of its input. If the input voltage is above or equal to the user-defined threshold, the output of the supervisor will remain high. However, if the input voltage decreases, the output will go low or enter reset state, alerting the system that the voltage is too low for normal operation. A resistor and capacitor can be used to further refine the behavior of the supervisor.

The LM3704XCBP-308 also features a power-on/power-down monitoring system, which can be used to sequence the power-on state of multiple devices. This system compares the input voltage to two user-defined thresholds and change its output state accordingly. If the input voltage is below the low threshold, the output will stay low and the device will remain in its power-down state. However, if the input voltage is higher than the high threshold, the output will go high and the device will enter its power-on state.

The LM3704XCBP-308 also includes a number of other features, such as a push-pull output mode, power-on reset (POR) time-out function and push-pull output capability. These features can provide additional system control flexibility and reduce the power dissipation of the supervisor IC.

Conclusion

The LM3704XCBP-308 is a supervisor IC from Texas Instruments, intended for power multiplexing and system voltage monitoring applications. It is ideal for use in handheld and mobile applications, as it is relatively compact with an input voltage range of 1.65V to 5.5V and an operating temperature range from -40C to 85C. The LM3704XCBP-308 is designed to work autonomously or in conjunction with a microcontroller, and its on-board precision voltage reference allows for reliable voltage monitoring and power sequencing. Additionally, it has a number of other features, such as a push-pull output mode, power-on reset (POR) time-out function and push-pull output capability, which provide additional system control flexibility. With its wide array of features and reliability, the LM3704XCBP-308 is a great choice for power management and voltage monitoring applications.

The specific data is subject to PDF, and the above content is for reference

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