TPS70458 具有双路使能输入和用于分压系统的 SVS 的双路输出 (3.3V/1.8V)1A/2A LDO 稳压器

TPS70458 描述

The TPS704xx family of devices consists of dual-output, low-dropout voltage regulators with integrated SVS (RESET, POR, or power on reset) and power good (PG) functions. These devices are capable of supplying 1 A and 2 A by regulator 1 and regulator 2 respectively. Quiescent current is typically 185 µA at full load. Differentiated features, such as accuracy, fast transient response, SVS supervisory circuit (power on reset), manual reset input, and independent enable functions provide a complete system solution. The TPS704xx family of voltage regulators offers very low dropout voltage and dual outputs. These devices have extremely low noise output performance without using any added filter bypass capacitors and are designed to have a fast transient response and be stable with 47-µF low ESR capacitors.

TPS70402 TPS70445 TPS70448 TPS70451 TPS70458
Iout(Max)(A) 2   2   2   2   2  
Iout2(A) 1   1   1   1   1  
Vdo(Typ)(mV) 160   160   160   160   160  
Vin(Min)(V) 2.7   2.7   2.7   2.7   2.7  
Vin(Max)(V) 6   6   6   6   6  
Fixed Output Options(V)   3.3/2.5, 3.3/1.8, 3.3/1.5, 3.3/1.2   3.3/2.5, 3.3/1.8, 3.3/1.5, 3.3/1.2   3.3/2.5, 3.3/1.8, 3.3/1.5, 3.3/1.2   3.3/2.5, 3.3/1.8, 3.3/1.5, 3.3/1.2  
Accuracy(%) 2   2   2   2   2  
Output Capacitor(uF) 22   22   22   22   22  
Output Capacitor Type Tantalum   Tantalum   Tantalum   Tantalum   Tantalum  
Pin/Package 24HTSSOP   24HTSSOP   24HTSSOP   24HTSSOP   24HTSSOP  
Vout2(Min)(V) 1.22   1.2   1.5   1.8   2.5  
Vout2(Max)(V) 5.5   1.2   1.5   1.8   2.5  
Rating Catalog   Catalog   Catalog   Catalog   Catalog  
Vout(Min)(V)   3.3   3.3   3.3   3.3  
Vout(Max)(V)   3.3   3.3   3.3   3.3  
Regulated Outputs(#) 2   2   2   2   2
TPS70458 特性
TPS70458 芯片订购指南
器件 状态 温度 (oC) 价格(美元) 封装 | 引脚 封装数量 | 封装载体 丝印标记
TPS70458PWP ACTIVE -40 to 125 2.55 | 1ku HTSSOP (PWP) | 24 60 | TUBE PT70458
TPS70458PWPG4 ACTIVE -40 to 125 2.55 | 1ku HTSSOP (PWP) | 24 60 | TUBE PT70458
TPS70458PWPR ACTIVE -40 to 125 2.35 | 1ku HTSSOP (PWP) | 24 2000 | LARGE T&R PT70458
TPS70458PWPRG4 ACTIVE -40 to 125 2.35 | 1ku HTSSOP (PWP) | 24 2000 | LARGE T&R PT70458
TPS70458 质量与无铅数据
器件 环保计划* 铅/焊球涂层 MSL 等级/回流焊峰 环保信息与无铅 (Pb-free) DPPM / MTBF / FIT 率
TPS70458PWP Green (RoHS & no Sb/Br)  CU NIPDAU Level-2-260C-1 YEAR TPS70458PWP TPS70458PWP
TPS70458PWPG4 Green (RoHS & no Sb/Br)  CU NIPDAU Level-2-260C-1 YEAR TPS70458PWPG4 TPS70458PWPG4
TPS70458PWPR Green (RoHS & no Sb/Br)  CU NIPDAU Level-2-260C-1 YEAR TPS70458PWPR TPS70458PWPR
TPS70458PWPRG4 Green (RoHS & no Sb/Br)  CU NIPDAU Level-2-260C-1 YEAR TPS70458PWPRG4 TPS70458PWPRG4
TPS70458 应用技术支持与电子电路设计开发资源下载
  1. TPS70458 数据资料 dataSheet 下载.PDF
  2. TI 德州仪器LDO低压差线性稳压器驱动器选型与价格参考 . xls
  3. Dual MOSFET Driver (PDF  498 KB)
  4. 全面认识开关型电源中的BUCK-BOOST功率级 (Rev. A)   (PDF  2206 KB)
  5. LDO PSRR Measurement Simplified   (PDF  140 KB)
  6. LDO Noise Demystified   (PDF  782 KB)
  7. 标准线性产品交叉参考 (Rev. D)   (PDF  1058 KB)
  8. 模数规格和性能特性术语表 (Rev. A) (PDF 1993 KB)
  9. 所选封装材料的热学和电学性质 (PDF 645 KB)
  10. 高速数据转换 (PDF 1967 KB)
TPS70458 工具与软件
名称 型号 公司 工具/软件类型
TPS70458 评估模块 TPS70458EVM Texas Instruments 开发电路板/EVM
采用 5 条或 6 条引线 SOT23 (DBV) 封装与大多数正输出 LDO 稳压器兼容的 DEM-SOT23LDO DEM-SOT23LDO Texas Instruments 开发电路板/EVM