TDK recommends a 4-layer PCB with a solid ground plane and a separate power plane for the HHM1711D1. The component should be placed near the power source and the output capacitors should be placed as close as possible to the IC.
The HHM1711D1 has a thermal pad on the bottom of the package. Ensure good thermal contact between the thermal pad and the PCB by applying a thermal interface material (TIM) and using multiple vias to connect the thermal pad to a solid ground plane.
TDK recommends using a 10uF to 22uF ceramic capacitor with an X7R or X5R dielectric as the input capacitor. The capacitor should be placed as close as possible to the VIN pin of the HHM1711D1.
The output voltage of the HHM1711D1 can be adjusted by using a resistor divider network between the VOUT pin and the ADJ pin. The output voltage can be calculated using the formula: VOUT = 0.8V x (1 + R1/R2).
The HHM1711D1 can handle a maximum input voltage of 18V. However, TDK recommends operating the device at a maximum input voltage of 15V to ensure reliable operation and to prevent damage to the internal components.
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HHM1711D1 Overview
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About TDK
TDK-Lambda is a global supplier of power supplies and related products. It is a subsidiary of TDK Corporation, a leading electronics company based in Japan. TDK-Lambda specializes in designing and manufacturing a wide range of AC-DC power supplies, DC-DC converters, programmable power supplies, and EMC/EMI filters for various industries and applications.
