PTH04070W - 3A、3.3/5.5V 输入、可调节开关稳压器

PTH04070W是TI德州仪器公司的一款非隔离式模块产品，PTH04070W是3A、3.3/5.5V 输入、可调节开关稳压器，本站介绍了PTH04070W的封装应用图解、特点和优点、功能等，并给出了与PTH04070W相关的TI元器件型号供参考。

PTH04070W - 3A、3.3/5.5V 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 PTH04070W is a highly integrated, low-cost switching regulator module that delivers up to 3 A of output current. Occupying less PCB area than a standard TO-220 linear regulator IC, the PTH04070W provides output current at a much higher efficiency and with much less power dissipation, thereby eliminating the need for a heat sink. Their small size (0.5 × 0.4 in), high efficiency, and low cost makes these modules attractive for a variety of applications.

The input voltage range of the PTH04070W 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 PTH04070W 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. 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.

产品特性

Up to 3-A Output Current at 85 °C
3.3-V / 5-V Input Voltage
Wide-Output Voltage Adjust (0.9 V to 3.6 V)
160 W/in3 Power Density
Efficiencies Up To 94%
On/Off Inhibit
Undervoltage Lockout (UVLO)
Output Overcurrent Protection (Nonlatching, Auto-Reset)
Overtemperature Protection
Ambient Temp. Range: -40°C to 85 °C
Surface Mount Package
Safety Agency Approvals: UL/IEC/CSA-C22.2 60950-1
APPLICATIONS
- Telecommunications, Instumentation, and General-Purpose Circuits

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