HSDF28D Series Transient Suppression DC/ DC Converters (China Manufacturer) - Other Electrical & Electronic

HSDF28D Series Transient Suppression DC/ DC Converters

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Brand:	-
Origin:	-
Category:	Electronics & Electricity / Other Electrical & Electronic
Label:	dc dc conveter
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Product Description

1 Features of HSDF28D Series Transient Suppression DC/ DC Converters

High reliability
Wide input voltage range: 15V～50V, Typical DC input voltage: 28V
Surge protection voltage: 80V, 1s
Output power PO：20W
Operating temperature range Tc：-55℃～+125℃
Low startup current	Dimensions: 36.83×28.44×8.40mm3(without flange) 50.8×28.44×8.40mm3 (with flange)
No output overshoot	Weight：31g(without flange) 34g (with flange)
Inhibit function	Table 1 Device models
Input under-voltage locked function and output short circuit protection	HSDF28D5, HSDF28D5F
Maximum power density: 38W/in3	HSDF28D12, HSDF28D12F
Hermetically sealed metal case	HSDF28D15, HSDF28D15F

2 Scope of application of HSDF28D Series Transient Suppression DC/ DC Converters

High-reliability electronic system for aviation and aerospace, etc

3 Descriptions of HSDF28D Series Transient Suppression DC/ DC Converters

This series device is high reliable and is featured with surge protection (80v, 1s) for DC/DC converter. Single ended flyback, pulse width modulated and transformer magnetic feedback topology design are used in this device. The operating principle is that the sampling signal of output voltage , coupled by the opto-coupler, works together with the sampling signal of input loop current to regulate the pulse width of the controller. The double loop control creates constant voltage output and short circuit protection.

Thick film hybrid techniques provide the HSDF28D Series of converters with high reliability and optimum miniaturization. The design and manufacturing process of HSDF28D series converters are in compliance with MIL-PRF-38534 and detailed specifications