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TPS54325

Category:converter
Product Name:4.5V to 18V Input, 3A Synchronous Step-Down DCAP2 Mode Converter
Manufacturers:TI
Production Batch Number:10+
Encapsulation:TSSOP14
Stock Status:There is stock
Stock Quantity:9000
Minimum order quantity: 1
Details:

Product introduction

TPS54325 4.5V 至 18V 输入、3A 同步降压 DCAP2 模式转换器

illustrate

该TPS54325是一个自适应开启时间的D - CAP2™模式同步降压转换器。该TPS54325使系统设计人员完成一个具有成本效益，低元件数，低待机电流解决方案的各种终端设备的稳压电源总线套件。为TPS54325主控制循环使用的D - CAP2™模式控制提供了一个非常快的瞬态响应，无需外部元件。该TPS54325还具有专用电路，使器件能适应两低等效串联电阻（ESR）的输出电容，如POSCAP或SP - CAP且超低ESR的陶瓷电容器。该器件工作于4.5 V至18 - V的VCC输入，从2.0 V至18 - V的VIN输入电源电压。

characteristic

D - CAP2™ mode enables fast transient response
Low output ripple and ceramic output capacitors allow
Wide V_CC输入电压范围：4.5 V至18 V
Wide V_input电压范围：2.0 V至18 V
Output voltage range: 0.76 V to 5.5 V
Efficient integration of FET optimization
For low duty cycle applications
- 120MΩ以上（高压侧）和70mΩ的（低端）
High efficiency, less than 10 microamps at shutdown
The bandgap reference accuracy is high initial
Adjustable soft-start
Pre-biased soft-start
700 kHz switching frequency (f_southwest）
Cycle-by-cycle current limit is over
Power good output
apply
- Low-voltage systems for a wide range of applications
  - Digital TV power supply
  - High definition Blu-ray disc ™ player
  - Network home terminal
  - Digital set-top box (set-top box)

andTPS54325Related ICs are:

Model	Manufacturers	lot number	encapsulation	illustrate
TPS54325	TI	10+	TSSOP14	4.5V to 18V Input, 3A Synchronous Step-Down DCAP2 Mode Converter

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