E-L9826 Allicdata Electronics
Allicdata Part #:

E-L9826-ND

Manufacturer Part#:

E-L9826

Price: $ 0.91
Product Category:

Integrated Circuits (ICs)

Manufacturer: STMicroelectronics
Short Description: IC DRIVER OCTAL LOW SIDE SOIC-20
More Detail: N/A
DataSheet: E-L9826 datasheetE-L9826 Datasheet/PDF
Quantity: 1000
1000 +: $ 0.82215
Stock 1000Can Ship Immediately
$ 0.91
Specifications
Voltage - Supply (Vcc/Vdd): 4.5 V ~ 5.5 V
Base Part Number: L9826
Supplier Device Package: 20-SOIC
Package / Case: 20-SOIC (0.295", 7.50mm Width)
Operating Temperature: -40°C ~ 150°C (TJ)
Fault Protection: Current Limiting (Fixed), Over Temperature
Features: --
Input Type: --
Rds On (Typ): 1.5 Ohm
Current - Output (Max): 450mA
Series: --
Voltage - Load: 45V (Max)
Interface: SPI
Output Type: N-Channel
Output Configuration: Low Side
Ratio - Input:Output: 1:8
Number of Outputs: 8
Switch Type: Latched Driver
Part Status: Active
Packaging: Tube 
Description

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E-L9826 application field and working principle

The E-L9826 is a series of current-mode CMOS pulse-width-modulated (PWM) controllers.This device integrates two independent high-speed, high-efficiency power switches, as well as multiple load drivers.The E-L9826 series is a member of the Power Management and Chip Integration (PMIC) family and works in an array of power distribution applications, including those where multiple load drivers are required.It is particularly suitable for industrial IoT, lighting, consumer and power applications.

Features

  • High efficiency: up to 96%@ Vout=335V & Vin=485V
  • Fixed frequency current mode PWM control
  • Supports both DC/DC and AC/DC power supply systems
  • Fast 1.25 μs switching response time
  • Built-in overvoltage & undervoltage protections
  • Integrated soft-start and pre-bias circuit
  • Minimum standby current: 240uA
  • Adjustable output voltage & current

Working Principle of E-L9826

The E-L9826 consists of two identical pulse-width-modulation (PWM) controllers powered from a power supply. These controllers provide two complete synchronous switch mode power converters, each having its own separate inductor. Each controller contains a current-mode PWM quench logic circuit, which controls the on/off cycle of the switches, and the resulting output voltage switching transitions occur nearly instantaneously. The internal pulse-width modulation comparators compare the output voltage error with a reference voltage and adjust the duty cycle of the output switch accordingly to maintain the output voltage constant.

In addition, the E-L9826 has built-in protection features such as overvoltage and undervoltage protection, current limiting and thermal protection. These features help to protect against potential device damage and downtime due to overvoltage or undervoltage conditions.The built-in soft-start and pre-bias circuits further protect the device from sudden inrush current due to capacitive or other loads.

The E-L9826 can be used in a wide range of applications, from consumer electronics to industrial equipment, from motors to lights and from powering single loads to powering multiple loads.It is a highly efficient, low power, low cost device with excellent performance characteristics and protection features, making it an ideal solution for an array of power distribution applications.

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

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