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XRP7713：3x Channel Programmable Power Management
The XRP7713 is a three output pulse-width modulated (PWM) step-down DC-DC controller with a built-in LDO for standby power and GPIOs. The device provides a complete power management solution in one IC and is fully programmable via an I2C serial interface. Independent Digital Pulse Width Modulator (DPWM) channels regulate output voltages and provide all required protection functions such as current limiting and over-voltage protection.
Each output voltage can be programmed from 0.9V to 5.1V without the need of an external voltage divider. The wide range of the programmable DPWM switching frequency (from 300 KHz to 1.5 MHz) enables the user to optimize between efficiency and component size. Input voltage range is from 4.75V to 25V. An I2C bus interface is provided to program the IC as well as to communicate with the host for fault reporting and handling, power rail parameters monitoring, etc.
The device offers a complete solution including independently programmable: soft-start, soft-stop, start-up delay and ramp of each PWM regulator.
The Exar Model XRP77xxEVB-XCM and XRP77xxEVB-XPM ("Evaluation Board") provides designers with a simple, quick and inexpensive means of evaluating and prototyping new designs using PowerXR devices. This Evaluation Board is designed only for low volume engineering purposes; not production volumes. For production requirements commercial programmers must be used. The Evaluation Board is provided “as is and whereas” and without any warranty as to results, merchantability or purpose. Exar is not responsible for misuse of the Evaluation Board.
技术特性
3 Channel Step Down Controller
Programmable Output Voltage 0.9V-5.1V
Programmable 1.5MHz DPWM Frequency
Integrated FET Drivers
Programmable Output Voltage 0.9V-5.1V
Programmable 1.5MHz DPWM Frequency
Integrated FET Drivers
4.75V to 5.5V and 5.5V to 25V Input Voltage Range
Up to 5 Reconfigurable GPIO Pins
Fully Programmable via I2C Interface
Independent Digital Pulse Width Modulator (DPWM) channels
Complete Monitoring and Reporting
Complete Power Up/Down Sequencing
Full On Board Protection OTP, UVLO, OCP and OVP
Built-in 3.3V/5V LDO
PowerArchitect™ 4.23 Interactive Design Tool
Green/Halogen Free 32-pin TQFN
数据手册S
XRP7713 Datasheet
应用指南
ANP-31, PowerXR Configuration and Programming
ANP-32, Practical Layout Guidelines for PowerXR Designs
ANP-35, XRP77XX: Extending the MOSFET Gate Drive Conductors
ANP-37, PowerXR EMI Reduction Technique Utilizing Spread-Spectrum Clock Dithering
说明书
Evaluation Board Manual
Exar Configuration Module (XCM) Evaluation Board Manual
过程合格报告
XRP77XX Family Reliability and Qualification Report
信息指南
Quick Start Guide: XRP7713EVB-DEMO-1-KIT
Product Change Notification
十月 2010
十月 2010
产品应用
Multi Channel Power Supplies
Audio-Video Equipments
Industrial & Telecom Equipments
Processors & DSPs Based Equipments
规格 参数
Vin Range 4.75V – 25V
Vout Range 0.9V – 5.1V
Gate Drive Pull Up/Down 6ohm / 3ohm
静态电流(µA) 9mA
Package Type TQFN32
Junction Temperature Range -40°C to 125°C
订购型号
器件型号 封装编码 状态
XRP7713EVB-DEMO-1-KIT Kit Active
XRP7713ILB-F TQFN32 Active
XRP7713ILBTR-F TQFN32 Active
Other
十月 2010 XRP7740
十月 2010 XRP7714
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