1FEATURES DESCRIPTION

23• Dual Output Voltages for Split-Supply The TPS703xx family of devices is designed to

Applications provide a complete power management solution for

TI DSP, processor power, ASIC, FPGA, and digital • Independent Enable Functions (See Part

Number TPS704xx applications where dual output voltage regulators are for Independent Enabling of

required. Easy programmability of the sequencing Each Output) function makes this family ideal for any TI DSP

• Output Current Range of 1 A on Regulator 1 application with power sequencing requirements.

and 2A on Regulator 2 Differentiated features, such as accuracy, fast

• Fast Transient Response transient response, SVS supervisory circuit (power-on

reset), manual reset inputs, and enable function, • Voltage Options: 3.3 V/2.5 V, 3.3 V/1.8 V, 3.3 provide a complete system solution. V/1.5 V, 3.3 V/1.2 V, and Dual Adjustable

Outputs

• Open Drain Power-On Reset with 120 ms Delay

• Open Drain Power Good for Regulator 1

• Ultralow 185 mA (typ) Quiescent Current

• 2 mA Input Current During Standby

• Low Noise: 78 mVRMS Without Bypass

Capacitor

• Quick Output Capacitor Discharge Feature

• Two Manual Reset Inputs

• 2% Accuracy Over Load and Temperature

• Undervoltage Lockout (UVLO) Feature

• 24-Pin PowerPAD™ TSSOP Package

• Thermal Shutdown Protection

TPS70351PWPRTPS70351PWPRTPS70351PWPRTPS70351PWPR

1功能描述

用于分路供电的双输出电压TPS703xx系列设备设计用于

应用程序提供了一个完整的电源管理解决方案

TI DSP，处理器能力，ASIC, FPGA，和数字•独立的使能功能(见部分)

数字TPS704xx应用双输出电压调节器是独立启用

必需的。易于编程的排序每个输出)函数使这个家庭理想的任何TI DSP

•功率测序要求的稳压器1上的输出电流范围为1a。

而2A对调节器2的鉴别特征，如准确度、快速性等

•快速瞬态响应瞬态响应，SVS监控电路(通电)

·电压选项:3.3 V/2.5 V, 3.3 V/1.8 V, 3.3提供完整的系统解决方案。V/1.5 V, 3.3 V/1.2 V，双可调

输出

•开启排水管通电复位，延时120毫秒

打开排水口，有利于调节1

•超低185ma (typ)静止电流

2毫安输入电流待机

•低噪音:78 mVRMS，无需旁路

电容器

•快速输出电容放电特性

•两个手动复位输入

•2%的精度超过负载和温度

•欠压锁定(UVLO)功能

•24针PowerPAD™TSSOP包

•热停堆保护

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