MAX15046AAEE+T Allicdata Electronics
Allicdata Part #:

MAX15046AAEE+T-ND

Manufacturer Part#:

MAX15046AAEE+T

Price: $ 0.00
Product Category:

Integrated Circuits (ICs)

Manufacturer: Maxim Integrated
Short Description: IC REG CTRLR BUCK 16QSOP
More Detail: Buck Regulator Positive Output Step-Down DC-DC Co...
DataSheet: MAX15046AAEE+T datasheetMAX15046AAEE+T Datasheet/PDF
Quantity: 1000
1 +: 0.00000
Stock 1000Can Ship Immediately
$ 0
Specifications
Frequency - Switching: 100kHz ~ 1MHz
Base Part Number: MAX15046
Supplier Device Package: 16-QSOP
Package / Case: 16-SSOP (0.154", 3.90mm Width)
Operating Temperature: -40°C ~ 125°C (TJ)
Control Features: Current Limit, Enable, Frequency Control, Power Good
Serial Interfaces: --
Clock Sync: No
Synchronous Rectifier: Yes
Duty Cycle (Max): 87.5%
Series: --
Voltage - Supply (Vcc/Vdd): 4.5 V ~ 40 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) 
Description

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MAX15046AAEE+T Application Field and Working Principle

The MAX15046AAEE+T is a DC-DC switching controller designed to offer optimized cost, size, and performance in a wide range of DC-DC power supply applications. The MAX15046AAEE+T implements a constant-frequency, current-mode control architecture to regulate an output voltage between 1.0 V and a reference voltage up to 5.5 V. The switching frequency is factory-set and the switching period can be adjusted for the best performance with various output capacitors and inductors. It also includes an adjustable soft-start of the output voltage.

Applications

The MAX15046AAEE+T is suitable for powering small, low-voltage electronics on a DC power source from 0.7 V to 5.5 V. It is also suitable for powering portable electronic devices, such as tablets, mobile phones, and Wearable electronics. This controller is also employed in applications related to non-isolated, high-frequency DC-DC converter, buck converter, and step-down converters.

Features

  • Wide voltage range, 0.7 V to 5.5 V
  • Factory-set switching frequency of 4MHz
  • Adjustable switching period from 1.5 μs to 500 ns
  • Adjustable soft-start for smooth power-up
  • Shutdown feature for low power consumption
  • Adaptive frequency-mode operation to provide better load and line-regulation

Working Principle

The MAX15046AAEE+T utilizes a constant-frequency, current-mode control topology to achieve regulation of the output voltage. This controller senses load current and compares it to a reference voltage to maintain regulation of the output voltage. In addition, the current-mode architecture minimizes the effects of output capacitance and board layout on the transient response of the system, allowing for better load and line-regulation. The adaptive frequency-mode operation also helps to maintain better control over the output voltage during large changes in the output current.

To ensure that the output voltage is slowly ramped and does not cause any inrush currents during start-up, the MAX15046AAEE+T features an adjustable soft-start. This helps for smooth power-up without any externally added components. Furthermore, the MAX15046AAEE+T also includes a shutdown feature that reduces the supply current during periods of inactivity, offering the best power efficiency for portable devices.

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

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