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AN1324 - Quadruple Operational Amplifiers

Description

The ISL6401 pulse width modulating (PWM) current mode controller is designed for a wide range of DC-DC conversion applications including boost, flyback, and isolated output configurations.

Features

  • an integrated inverter that is ideal for generating negative output voltage like RSLIC Ring Vbh (-72V) and Talk Vbl (-24V), -48V for IP Phones, -5V and -15V for DSL CO line drivers. The output voltages are adjusted with an external voltage divider. Peak current mode control architecture effectively handles Ring trip transients and provides inherent over-current protection. Flyback topology allows the operation close to 50% duty cycle, offering optimum transformer utilization, low ripple current.

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Datasheet Details

Part number AN1324
Manufacturer Panasonic Semiconductor
File Size 33.27 KB
Description Quadruple Operational Amplifiers
Datasheet download datasheet AN1324 Datasheet
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Full PDF Text Transcription

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® Using the ISL6401 RSLIC PWM Controller Evaluation Board Application Note October 2003 AN1082 Author: Manisha Pandya, Jason Houston Functional Description The ISL6401 pulse width modulating (PWM) current mode controller is designed for a wide range of DC-DC conversion applications including boost, flyback, and isolated output configurations. The device is optimized to provide high performance, low-cost solution for Ringing SLIC (RSLIC) Ring (Vbh) and Talk (Vbl) power supplies in VoIP applications. The IC features an integrated inverter that is ideal for generating negative output voltage like RSLIC Ring Vbh (-72V) and Talk Vbl (-24V), -48V for IP Phones, -5V and -15V for DSL CO line drivers. The output voltages are adjusted with an external voltage divider.
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