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AC/DC & DC/DC controllers (external FET)

TPS64203

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效率为 95%、输入电压为 1.8V 至 6.5V 的 800kHz、20uA、SOT-23 降压控制器

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TPS62A02 正在供货 采用 SOT563 和 SOT23 封装的 2.5V 至 5.5V 输入、2A 高效降压转换器 High efficiency DC/DC converter with small solution size

TPS64203

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产品详情

Vin (min) (V) 1.8 Vin (max) (V) 6.5 Iout (max) (A) 3 Operating temperature range (°C) -40 to 85 Control mode Hysteretic Rating Catalog Vout (min) (V) 1.2 Vout (max) (V) 6.5 Iq (typ) (A) 0.00002 Duty cycle (max) (%) 100
Vin (min) (V) 1.8 Vin (max) (V) 6.5 Iout (max) (A) 3 Operating temperature range (°C) -40 to 85 Control mode Hysteretic Rating Catalog Vout (min) (V) 1.2 Vout (max) (V) 6.5 Iq (typ) (A) 0.00002 Duty cycle (max) (%) 100
SOT-23 (DBV) 6 8.12 mm² 2.9 x 2.8
  • Step-Down Controller for Applications With up to 95% Efficiency
  • 1.8-V to 6.5-V Operating Input Voltage Range
  • Adjustable Output Voltage Range From 1.2 V to VI
  • High Efficiency Over a Wide Load Current Range
  • 100% Maximum Duty Cycle for Lowest Dropout
  • Internal Softstart
  • 20-µA Quiescent Current (Typical)
  • Overcurrent Protected
  • Available in a SOT23 Package
  • APPLICATIONS
    • USB Powered Peripherals
    • Organizers, PDAs, and Handheld PCs
    • Low Power DSP Supply
    • Digital Cameras
    • Hard Disk Drives
    • Portable Audio Players
  • Step-Down Controller for Applications With up to 95% Efficiency
  • 1.8-V to 6.5-V Operating Input Voltage Range
  • Adjustable Output Voltage Range From 1.2 V to VI
  • High Efficiency Over a Wide Load Current Range
  • 100% Maximum Duty Cycle for Lowest Dropout
  • Internal Softstart
  • 20-µA Quiescent Current (Typical)
  • Overcurrent Protected
  • Available in a SOT23 Package
  • APPLICATIONS
    • USB Powered Peripherals
    • Organizers, PDAs, and Handheld PCs
    • Low Power DSP Supply
    • Digital Cameras
    • Hard Disk Drives
    • Portable Audio Players

The TPS6420x are nonsynchronous step-down controllers that are ideally suited for systems powered from a 5-V or 3.3-V bus or for applications powered from a 1-cell Li-Ion battery or from a 2- to 4-cell NiCd, NiMH, or alkaline battery. These step-down controllers drive an external P-channel MOSFET allowing design flexibility. To achieve highest efficiency over a wide load current range, this controller uses a minimum on time, minimum off time control scheme and consumes only 20-µA quiescent current. The minimum on time of typically 600 ns (TPS64203) allows the use of small inductors and capacitors. When disabled, the current consumption is reduced to less than 1 µA. The TPS6420x is available in the 6-pin SOT23 (DBV) package and operates over a free air temperature range of –40°C to 85°C.

The TPS6420x are nonsynchronous step-down controllers that are ideally suited for systems powered from a 5-V or 3.3-V bus or for applications powered from a 1-cell Li-Ion battery or from a 2- to 4-cell NiCd, NiMH, or alkaline battery. These step-down controllers drive an external P-channel MOSFET allowing design flexibility. To achieve highest efficiency over a wide load current range, this controller uses a minimum on time, minimum off time control scheme and consumes only 20-µA quiescent current. The minimum on time of typically 600 ns (TPS64203) allows the use of small inductors and capacitors. When disabled, the current consumption is reduced to less than 1 µA. The TPS6420x is available in the 6-pin SOT23 (DBV) package and operates over a free air temperature range of –40°C to 85°C.
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类型 标题 下载最新的英语版本 日期
* 数据表 SOT23 Step-Down Controller. 数据表 2003年 6月 17日
应用手册 Using Ceramic Output Capacitors With The TPS6420x Buck Controllers (Rev. B) 2010年 3月 11日
应用手册 5 A Buck Converter Using the TPS6420x Family of Step Down Controllers 2004年 6月 17日

设计和开发

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评估板

TPS64202EVM-023 — TPS64202 评估模块 (3.3V @ 2A)

The TPS64202EVM-023 is an evaluation tool for the TPS64202 inductive step-down controller in SOT-23 package which can supply voltages down to 1.2V from a 1.8-V to 6.5-V input. The TPS64202EVM-023 uses a TPS64202 adjustable output step-down controller and the appropriate external components to (...)

用户指南: PDF
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计算工具

SLVC038 — Design Spreadsheet for the TPS6420x

支持的产品和硬件

支持的产品和硬件

产品
AC/DC & DC/DC controllers (external FET)
TPS64200 — 效率为 95%、输入电压为 1.8V 至 6.5V 的 350kHz、20uA、SOT-23 降压控制器 TPS64201 — 效率为 95%、输入电压为 1.8V 至 6.5V 的 450kHz、20uA、SOT-23 降压控制器 TPS64202 — 效率为 95%、输入电压为 1.8V 至 6.5V 的 550kHz、20uA、SOT-23 降压控制器 TPS64203 — 效率为 95%、输入电压为 1.8V 至 6.5V 的 800kHz、20uA、SOT-23 降压控制器
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封装 引脚 下载
SOT-23 (DBV) 6 查看选项
应遵守 TI 评估类商品的标准条款与条件。

订购和质量

包含信息：
  • RoHS
  • REACH
  • 器件标识
  • 引脚镀层/焊球材料
  • MSL 等级/回流焊峰值温度
  • MTBF/时基故障估算
  • 材料成分
  • 鉴定摘要
  • 持续可靠性监测
包含信息：
  • 制造厂地点
  • 封装厂地点

支持和培训

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