![MAX1649CSA+T Allicdata Electronics](https://files.allicdata.com/upload/common/default.jpg)
Allicdata Part #: | MAX1649CSA+T-ND |
Manufacturer Part#: |
MAX1649CSA+T |
Price: | $ 1.68 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Maxim Integrated |
Short Description: | IC REG CTRLR BUCK 8SOIC |
More Detail: | Buck Regulator Positive Output Step-Down DC-DC Co... |
DataSheet: | ![]() |
Quantity: | 1000 |
2500 +: | $ 1.53337 |
Frequency - Switching: | Up to 300kHz |
Base Part Number: | MAX1649 |
Supplier Device Package: | 8-SOIC |
Package / Case: | 8-SOIC (0.154", 3.90mm Width) |
Operating Temperature: | 0°C ~ 70°C (TA) |
Control Features: | Enable |
Serial Interfaces: | -- |
Clock Sync: | No |
Synchronous Rectifier: | No |
Duty Cycle (Max): | 96.5% |
Series: | -- |
Voltage - Supply (Vcc/Vdd): | 3 V ~ 16 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) |
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
The MAX1649CSA+T is a unique component in the world of DC to DC switching controllers, allowing for a host of practical applications. A look at the component\'s application field, along with its associated working principle, helps to understand its impact on the PMIC \' Voltage Regulators market.
The MAX1649CSA+T is a low noise, constant frequency, metering-mode DC to DC controller designed specifically for use in system supply rail regulation. It provides a complete switching power supply solution. Its output can either be adjustable, or through the use of external DC to DC feedback resistors, it can provide a fixed voltage output.
In terms of its application field, the MAX1649CSA+T is ideal for the development of high-power systems, such as notebook (laptops), tablet PCs and other related applications. It can also be used in low-voltage, high-current applications, such as AC adapter designs and automotive converters. Its integration features make it well suited to highly specialized applications, such as high-efficiency linear post-regulators and pre-regulation for wide input range DC-DC converters.
The MAX1649CSA+T implements a power supply design that provides optimized switching frequency. This is enabled by the metering principle, which ensures precise output regulation and allows for smooth load transient performance. In addition to the metering principle, this component also offers features such as robust overcurrent protection, current limit sensing, and a soft-start circuit.
The operating principles of this component are based on the current limiting technique. The MAX1649CSA+T utilizes its onboard power MOSFET to limit the switch current. This enables a steady, low noise output voltage and allows for precise regulation even under changing load conditions.
When the load current is low, the switch current will be high, and the controller will reduce the duty cycle until the switch current is low enough to enter current limit mode. In this mode, the controller will keep the switch current at a safe limit, and the output voltage will be maintained to a constant level.
The MAX1649CSA+T also incorporates self-protection features, such as overcurrent and overvoltage protection, as well as a thermal shutdown feature which help to ensure protection from any damage due to mistuned operability conditions. Additionally, it includes power-good and power-failure alert outputs, which enable users to monitor the power supply status.
In summary, the MAX1649CSA+T DC to DC switching controller offers a robust, reliable and low noise solution for applications ranging from notebook and tablet PCs to those requiring highly specialized power supply designs. Its metering-mode current limiting technique provides significant advantages over traditional linear post-regulators, while its integrated self-protection features ensure safe and efficient operation.
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