TPS40100RGET Integrated Circuits (ICs) |
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Allicdata Part #: | 296-18077-2-ND |
Manufacturer Part#: |
TPS40100RGET |
Price: | $ 2.08 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Texas Instruments |
Short Description: | IC REG CTRLR BUCK 24QFN |
More Detail: | Buck Regulator Positive Output Step-Down DC-DC Co... |
DataSheet: | TPS40100RGET Datasheet/PDF |
Quantity: | 1000 |
250 +: | $ 1.88695 |
500 +: | $ 1.69315 |
1250 +: | $ 1.42796 |
Frequency - Switching: | 100kHz ~ 600kHz |
Base Part Number: | TPS40100 |
Supplier Device Package: | 24-VQFN (4x4) |
Package / Case: | 24-VFQFN Exposed Pad |
Operating Temperature: | -40°C ~ 85°C (TA) |
Control Features: | Current Limit, Frequency Control, Power Good, Soft Start, Tracking |
Serial Interfaces: | -- |
Clock Sync: | Yes |
Synchronous Rectifier: | Yes |
Duty Cycle (Max): | -- |
Series: | -- |
Voltage - Supply (Vcc/Vdd): | 4.5 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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TPS40100RGET is a low-cost, low-side, MOSFET linear regulator, which is built by Texas Instruments. The device is a high-efficiency, 4 A (RMS) synchronous buck regulator, intended for step-down or step-up regulation. The TPS40100RGET breaks the switching barrier, offering superb control of current and voltage in both step-down and step-up modes.
The TPS40100RGET offers a number of features and benefits for a wide variety of application fields. The part has an integrated high-performance MOSFET controller, which serves as the main building block for regulating voltage and current, and can support several operating modes such as step-down (adjustable), step-up (adjustable), discontinuous conduction mode (DCM), and forced continuous conduction mode (FCCM). It offers wide input voltage range, delivered by either an internal or external source, with an operating frequency range of 300 kHz to 1.2 MHz.
Additionally, the device boasts low quiescent current, high efficiency operation, cycle-by-cycle current limiting, low on-time based protection, two separate power good signals, enable control, output voltage enable/disable timeout, and temperature compensation. All of these features make the TPS40100RGET ideal for a wide range of applications, such as industrial, computer, lighting, gaming system, and renewable energy.
The working principle behind the TPS40100RGET is rather simple. In step-down operation mode, the device draws power from the input supply and then actively synchronizes the operation of an external MOSFET to convert the input voltage to a regulated output voltage. As the name implies, the device is controlled by a PWM signal generated by an internal oscillator, which is then used to synchronize switching actions.
The working of the TPS40100RGET can be summarised as follows: the internal oscillator generates the PWM regulation signal, which is then processed through the internal error amp, and the result is used to drive the external MOSFET switch. When the external MOSFET is turned on, current begins to flow from the power supply to the load, thus generating output voltage. The internal error amp compares the output voltage to the reference voltage, and thus regulate the output voltage within the limits.
In summary, the TPS40100RGET is a versatile, low-cost, synchronous buck regulator, which can be used in a wide range of applications. It offers superior regulation of current and voltage in both step-down and step-up modes, and has an operating frequency range of 300 kHz to 1.2 MHz. Additionally, it offers low quiescent current, high efficiency operation, cycle-by-cycle current limiting, low on-time based protection, two separate power good signals, enable control, output voltage enable/disable timeout, and temperature compensation. It works through a simple, yet effective, method, where the internal oscillator generates the PWM regulation signal, which is then used to control the external MOSFET switch.
The specific data is subject to PDF, and the above content is for reference
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