
Allicdata Part #: | LTC1628CUH#TRPBF-ND |
Manufacturer Part#: |
LTC1628CUH#TRPBF |
Price: | $ 3.96 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Linear Technology/Analog Devices |
Short Description: | IC REG CTRLR BUCK 32QFN |
More Detail: | Buck Regulator Positive Output Step-Down DC-DC Co... |
DataSheet: | ![]() |
Quantity: | 1000 |
2500 +: | $ 3.60499 |
Frequency - Switching: | 220kHz |
Base Part Number: | LTC1628 |
Supplier Device Package: | 32-QFN (5x5) |
Package / Case: | 32-WFQFN Exposed Pad |
Operating Temperature: | 0°C ~ 85°C (TA) |
Control Features: | Enable, Frequency Control, Power Good, Soft Start |
Serial Interfaces: | -- |
Clock Sync: | No |
Synchronous Rectifier: | Yes |
Duty Cycle (Max): | 99.4% |
Series: | -- |
Voltage - Supply (Vcc/Vdd): | 3.5 V ~ 30 V |
Output Phases: | 2 |
Number of Outputs: | 2 |
Topology: | Buck |
Output Configuration: | Positive |
Function: | Step-Down |
Output Type: | Transistor Driver |
Part Status: | Active |
Packaging: | Tape & Reel (TR) |
Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us: sales@allicdata.com
LTC1628CUH#TRPBF Application Field and Working Principle
LTC1628CUH#TRPBF is an advanced fully synchronous step-down switching regulator controller. It belongs to the PMIC (Power Management IC) Voltage Regulators, and DC DC Switching Controllers category. It has a fixed output frequency, and is ideal for applications requiring high efficiency and low noise.
Application Field of LTC1628CUH#TRPBF
The LTC1628CUH#TRPBF is suitable for powering a variety of different electronic applications. Examples include personal digital assistant (PDA) applications, portable computers, cell phones and other battery powered applications, where power efficiency is important. It can also be used to power automotive systems such as automatic door locks, sunroofs, car seats and audio systems.
It is also suitable for communication systems such as Internet routers, optical networks, and broadband voice over IP for the home or office.
The LTC1628CUH#TRPBF has the capacity to support low-voltage operation with high switching frequencies. This makes it ideal for powering LED lighting systems and high-end audio equipment. It is also well-suited to powering Ethernet equipment, surveillance gear, and other RF-sensitive devices.
Working Principle of LTC1628CUH#TRPBF
The LTC1628CUH#TRPBF operates by controlling a switch, which is typically an N-channel MOSFET. When the switch is open, the output voltage is determined by the voltage of the input source and the voltage drop of the MOSFET. When the switch is closed, the input voltage is used to transfer current from the input voltage source to the load. By controlling the operation of the switch, the output voltage can be regulated to a wider range of voltages.
The controller is synchronous so it can actively control the switching frequency of the switch. This allows the output voltage to be regulated over a wider range than non-synchronous controllers. When the output voltage is increased, the switching frequency is increased to prevent overshoot. On the other hand, when the output voltage is decreased, the frequency is reduced to prevent undershoot.
The LTC1628CUH#TRPBF also uses Pulse Frequency Modulation (PFM) to increase the efficiency of the regulator. This is done by switching the MOSFET at a lower frequency when the output voltage is high and increasing the frequency when the output voltage is low. In this way, the current drawn from the input source is minimized.
The LTC1628CUH#TRPBF also has a cycle-by-cycle current limit to protect against overloads. This prevents the output from exceeding the current limit by clocking the switch in each cycle. In addition, it also has thermal shutdown to protect against extreme temperatures.
The LTC1628CUH#TRPBF is an advanced switching regulator controller that is suitable for a wide range of applications. It has an adjustable output voltage, a wide operating temperature range and a high degree of efficiency. Its features make it an ideal choice when creating efficient and reliable electronic devices.
The specific data is subject to PDF, and the above content is for reference
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