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TI TPS5403DRRoHS

Manufacturer
TI
MPN
TPS5403DR
LCSC Part #
C962080
Packaging
SOIC-8
Customer #
Key Attributes
4.5V to 28V Input Voltage, 3.3V Fixed Output, 1.7A Output Current Non-Synchronous Buck Regulator
Datasheetpdf iconTI TPS5403DR
In-Stock: 1,441
1,441 In stock, ships now
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QtyUnit PriceTotal Amount
1+$ 0.7117$ 0.71
10+$ 0.5814$ 5.81
30+$ 0.5163$ 15.49
100+$ 0.4528$ 45.28
500+$ 0.3681$ 184.05
1,000+$ 0.3485$ 348.50
Standard Packaging2500/Full Reel
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Products Specifications

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TypeDescription
CategoryIntegrated Circuits (ICs)/Power Management (PMIC)/Voltage Regulators - DC DC Switching Regulators
ManufacturerTI
PackagingSOIC-8
Operating Temperature-40℃~+85℃@(TA)
Frequency - Switching1.1MHz
FunctionStep-down type
Number of Outputs1
FeaturesLight load efficient mode;Adjustable soft-start;Cycle-by-cycle current limiting;EMI optimization (spread spectrum);External compensation;Overcurrent Protection
TopologyBuck
Output TypeFixed
Operating Voltage4.5V~28V
Switch tube (built-in/external)Built-in
Output Voltage3.3V
Output Current1.7A
Quiescent Current100uA
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Additional Information

TypeDetails
Minimum1
Multiple1
Standard Packaging2500
Sales UnitPiece

Introduction

AI Translation

TPS5403是一款具有宽运行输入电压范围（4.5V至28V）的单片非同步降压稳压器。此器件执行内部斜坡补偿的电流模式控制来减少组件数量。 TPS5403还特有一个轻负载脉冲跳跃模式，此特性可在轻负载时减少为系统供电的输入电源的功率损失。 可使用一个外部电阻器将此转换器的开关频率设定在50kHz至1.1MHz之间。引入了频率展频操作以减少EMI。 添加了LX抗振铃来解决高频EMI问题。 具有频率折返功能的逐周期电流限制在过载情况下保护集成电路(IC)。

The TPS5403 is a monolithic non-synchronous buck regulator with a wide operating input voltage range (4.5V to 28V). The device implements current mode control with internal slope compensation to reduce component count. The TPS5403 also features a light-load pulse skipping mode, which reduces power loss from the input supply powering the system under light-load conditions. The converter's switching frequency can be set between 50kHz and 1.1MHz using an external resistor. Frequency spread spectrum operation is incorporated to reduce EMI. LX anti-ringing is added to address high-frequency EMI issues. Cycle-by-cycle current limiting with frequency foldback protects the IC under overload conditions.

Features

AI Translation
  • Fixed 3.3V output
  • Wide input voltage range: 4.5V to 28V
  • Maximum continuous output load current up to 1.7A
  • Pulse skip mode for high efficiency at light loads
  • Efficiency exceeds 80% at 10mA load
  • Adjustable switching frequency 50kHz to 1.1MHz set by a single external resistor
  • Peak current mode control
  • Cycle-by-cycle overcurrent protection
  • Frequency spread spectrum and anti-ringing switch node to mitigate EMI
  • External soft-start
  • SOIC-8 package

Applications

AI Translation
  • 5V, 9V, 12V, and 24V distributed power systems for consumer applications such as home appliances, set-top boxes, CPE equipment, LCD monitors, peripherals, and battery chargers
  • Industrial and automotive infotainment system power supplies