PTH04000W - 具有自动跟踪定序的 3A 3.3/5V 输入可调节开关稳压器

PTH04000W是TI德州仪器公司的一款非隔离式模块产品，PTH04000W是具有自动跟踪定序的 3A 3.3/5V 输入可调节开关稳压器，本站介绍了PTH04000W的封装应用图解、特点和优点、功能等，并给出了与PTH04000W相关的TI元器件型号供参考。

PTH04000W - 具有自动跟踪定序的 3A 3.3/5V 输入可调节开关稳压器 - 非隔离式模块 - 电源模块 - 德州仪器

产品描述

The PTH04000W is a highly integrated, low-cost switching regulator module that delivers up to 3 A of output current. Occupying a small PCB area, the PTH04000W provides output current at a high efficiency and with minimal power dissipation, thereby eliminating the need for a heat sink. Their small size (0.75 inch × 0.5 inch), high efficiency, and low cost makes these modules practical for a variety of applications.

The input voltage range of the PTH04000W is from 3 V to 5.5 V, allowing operation from either a 3.3-V or 5-V input bus. Using state-of-the-art switched-mode power-conversion technology, the PTH04000W can step down to voltages as low as 0.9 V from a 5-V input bus, with typically less than 1 W of power dissipation. The output voltage can be adjusted to any voltage over the range, 0.9 V to 3.6 V, using a single external resistor. This series includes Auto-Track™ sequencing. This feature simplifies the task of supply voltage sequencing in a power system by enabling modules to track each other, or any external voltage, during power up and power down. Other operating features include an undervoltage lockout (UVLO), on/off inhibit, output overcurrent protection, and overtemperature protection. Target applications include telecommunications, test and measurement applications, and high-end consumer products. The modules are available in both through-hole and surface-mount package options, including tape and reel. The PTH04000W is also compatible with TI's roadmap for RoHS and lead-free compliance.

产品特性

Up to 3-A OutputCurrent at 85°C
3.3-V / 5-V Input Voltage
Wide-Output Voltage Adjust (0.9 V to 3.6 V)
Efficiencies Up To 94%
On/Off Inhibit
Undervoltage Lockout (UVLO)
Output Overcurrent Protection (Nonlatching, Auto-Reset)
Overtemperature Protection
Ambient Temperature Range: -40°C to 85°C
Point-of-Load Alliance (POLA)™ Compatible
Surface Mount Package
Safety Agency Approvals: - UL/IEC/CSA-22.2 60950-1
APPLICATIONS
- Telecommunications, Instrumentation, and General-Purpose Circuits

POLA, Auto-Track, TMS320 are trademarks of Texas Instruments.

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