TDK HHM Series HHM2409 instruction

Multilayer Chip Directional Couplers For DCS/Tx

HHM Series HHM2409

SHAPES AND DIMENSIONS

		2.0±0.15					0.95±0.1
		6		5	4
								0.15
								0.15
0.25±0.2								1.25±





	1			2	3			Terminal functions
0.65±0.2					0.3±0.2			Terminal functions

							1		Input
							1		Input
								2	GND
								3	Output
								4	50Ω load
								5	GND
								6	Monitor output
								6	Monitor output

0.2		±	0.2	0.35±		0.2	Dimensions in mm

CIRCUIT DIAGRAM

Monitor	GND	50Ω
output	GND
6	5	4
1	2	3
IN	GND OUT

RECOMMENDED PC BOARD PATTERNS

(1/2)

Conformity to RoHS Directive

0.35

1.0 0.4 1.0

This width is 50Ω.

Micro-strip line for 0.4mm thick glass-epoxy substrate.

0.40.3

ø0.3 Through-hole Dimensions in mm

ELECTRICAL CHARACTERISTICS

Frequency range		1710 to 1785MHz
Coupling factor		–15.0±1.0dB
Insertion loss		0.30dB max.∗1
		0.35dB max.∗2

Isolation		20dB min.
VSWR		1.3 max.
Temperature range	Operating	–40 to +85°C
	Storage	–40 to +85°C

∗1 25°C
∗2 Operating temperature

•Conformity to RoHS Directive: This means that, in conformity with EU Directive 2002/95/EC, lead, cadmium, mercury, hexavalent chromium, and specific bromine-based flame retardants, PBB and PBDE, have not been used, except for exempted applications.

•All specifications are subject to change without notice.

001-02 / 20080105 / e761_hhm2409

HHM Series HHM2409 specifications

The TDK HHM Series is known for its high-performance, precision components, and the HHM2409 model stands out as a versatile and reliable module in this series. Designed primarily for power management applications, the HHM2409 is a high-efficiency DC-DC converter that showcases TDK's commitment to quality, innovation, and advanced technology.

One of the main features of the HHM2409 is its wide input voltage range, which allows for flexibility in various applications. It typically operates within 4.5V to 14V input, making it suitable for systems powered by batteries or other variable voltage sources. The output voltage is adjustable, enabling users to customize the voltage level according to their specific requirements. This adaptability is crucial in today’s fast-evolving electronic landscape, where applications can range from industrial equipment to consumer electronics.

The HHM2409 boasts a high efficiency rating, often exceeding 90%. This efficiency translates to less heat generation, allowing for better thermal management and enhancing the reliability of connected devices. With advanced power management techniques, this converter minimizes energy loss during operation, which is essential for battery-operated systems requiring prolonged endurance.

In terms of technology, the HHM2409 utilizes synchronous rectification, which improves efficiency by reducing voltage drop during the switching process. This technical attribute is important for applications that demand precise power delivery while maintaining low heat generation.

The device is designed with a compact footprint, making it easy to integrate into space-constrained applications. Its small size does not compromise performance; rather, it emphasizes TDK's engineering prowess in creating components that cater to the needs of modern configurations. Additionally, the HHM2409 is equipped with features such as overcurrent protection, thermal shutdown, and short-circuit protection, ensuring reliable operation under various conditions.

Another characteristic of the HHM2409 is its ability to support high-frequency operation, which further contributes to its efficiency and responsiveness. This feature makes it an ideal choice for applications requiring fast transient response and minimal output voltage ripple.

Overall, the TDK HHM2409 in the HHM Series exemplifies a blend of advanced technology, efficiency, and reliability, making it a prime contender for engineers and designers looking for robust power management solutions in their electronic designs. Its versatility and high-performance metrics ensure that it meets the demands of a wide array of applications, from industrial automation to consumer products, positioning it as a key component for future innovations.