HNHX0503S Point of Load DC/DC Converters (POL)

1 Features of HNHX0503S Point of Load DC/DC Converters (POL)

High reliability

Low voltage input：4.0V～5.5V，Typical 5V

High conversion efficiency

Output Power PO：10W

Operating temperature Tc：-55℃～+125℃

Low start-up current

No output overshoot

Inhibit function

Output over current and short circuit protection

Maximum power density：78W/in3

Hermetically sealed metal case

2 Scope of application of HNHX0503S Point of Load DC/DC Converters (POL)

High-reliability electronic system for ground ,vehicle ,radar , aviation and aerospace, etc

3 Description of HNHX0503S Point of Load DC/DC Converters (POL)

HNHX0503S is a high reliable, output voltage adjustablenon isolated DC/DC converter pdfwith BUCK circuit topology and pulse width modulation principle. The output sampling voltage is directly feedbacked to modulate the pulse width to achieve closed-loop control to meet the stability of the voltage output requirements. By changing the external resistance method to achieve the output voltage 0.8V-3.3V adjustable.. The series of products are made by thick-film hybrid integrated production process, metal sealed package. The design and manufacturing process of HNHX0503S Series converters are in compliance with MIL-PRF-38534.

4 Technical Specifications of HNHX0503S Point of Load DC/DC Converters (POL)

Table 2 Rated conditions and recommended operating conditions

Input voltage：4.0V～5.5V

Absolute Max. Rating

Input voltage：4.0V～5.5V

Input voltage（Transient,1s）：5.8V

Output Power：10 W

Storage temperature：-65℃～150℃

Mechanical Shock：1500g

Lead solderalbe temperature：300℃（10s）

Weight：8 g