Allicdata Part #: | 296-31288-ND |
Manufacturer Part#: |
TPS74701EVM-177 |
Price: | $ 7.20 |
Product Category: | Development Boards, Kits, Programmers |
Manufacturer: | Texas Instruments |
Short Description: | EVAL MODULE FOR TPS74701-177 |
More Detail: | TPS74701 1 - Single Channels per IC Positive Adjus... |
DataSheet: | TPS74701EVM-177 Datasheet/PDF |
Quantity: | 4 |
Lead Free Status / RoHS Status: | Not applicable / Not applicable |
Moisture Sensitivity Level (MSL): | 1 (Unlimited) |
1 +: | $ 6.53940 |
Series: | -- |
Part Status: | Active |
Lead Free Status / RoHS Status: | -- |
Channels per IC: | 1 - Single |
Moisture Sensitivity Level (MSL): | -- |
Voltage - Output: | 1.2V |
Current - Output: | 500mA |
Voltage - Input: | 2.7 V ~ 5.5 V |
Regulator Type: | Positive Adjustable |
Board Type: | Fully Populated |
Supplied Contents: | Board(s) |
Utilized IC / Part: | TPS74701 |
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Evaluation Boards - Linear Voltage Regulators
The TPS74701EVM-177 is an evaluation module which allows customers to evaluate the TPS74701, a 1A programmable linear low dropout (LDO) regulator which features a fast transients response. It is designed to evaluate and demonstrate the performance of the TPS74701 device for different load and line conditions.
The TPS74701EVM-177 features a precision enable control voltage input, allowing the user to set the output voltage of the TPS74701 to any value between 0.9V and 3.3V via a single resistor and the precision enable control voltage input. It also contains sense voltage inputs, current limit setting resistors, an enable control voltage setting resistor, an output voltage setting resistor and an SOT-23 package device. All these elements make the TPS74701EVM-177 an ideal platform for testing the performance and features of the TPS74701.
Application Fields
The TPS74701EVM-177 provides a compact solution for the evaluation of digital and analog integrated circuits that require an adjustable low-noise voltage supply. The module can be used for power management applications such as portable devices, tracking regulation architectures, communications, and audio systems. It can also be used in baseband systems, power conditioners, power protection, level regulators, and remote voltage monitoring.
Working Principle
The TPS74701EVM-177 is based on a conventional PMOS BiCMOS operating circuit component. As the input voltage is given at the VIN pin, it passes through the Rg resistor and enters the device, where it is regulated and given to the output as the nominal output voltage. The supply voltage is maintained by Vref and the precision enable control voltage input.
The output of the TPS74701EVM-177 is adjustable within a range given by two resistors (R1 and R2). It can be adjusted between 0.9V and 3.3V according to the combination of resistors chosen and the precision enable control voltage. The PMOS pilot stage is responsible for controlling the gate voltage of the NMOS load, thus controlling the voltage drop across the load and the output voltage.
The TPS74701EVM-177 also includes a current limit setting resistor (R3). It is used to set the maximum current allowed through the load. There is also an SOT-23 package device (U2) which houses a low-side current-sense amplifier (LSCA). This LSCA monitors the voltage drop across the current limit setting resistor and generates an output voltage proportional to the load current.
Not only does the TPS74701EVM-177 provide a cost-effective solution for the evaluation of the TPS74701, but also it is designed for high efficiency, low noise, low dropout voltage and fast transient response. In addition, the input and output bypass capacitors are optimized for the intended power supply output voltage.
The specific data is subject to PDF, and the above content is for reference
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