DC-DC Buck Converter, buy 1000W/1200w 200v-500v to 48v,25A DC DC converter on China Suppliers Mobile

Product Details

The DC-DC converter is optimized and designed for electir car ,air conditioning of electric car or battery , it uses natural cooling, can work at high temperatures without derating. It have ultra-small size (size: 252 * 188 * 90mm), over-temperature automatic derating, over-current, short circuit and other multiple protection, also have input and output status and other parameters of the monitoring and self-diagnostic function. input volt. range 200-500Vdc DC input, single Circuit 48Vdc output. With input undervoltage alarm and protection, output overcurrent alarm and protection, output overvoltage protection, output short circuit protection, over temperature alarm and protection, output reverse polarity protection

Strengthen the production process design, strict selection of devices, to ensure product reliability and the mechanical s

Small volume, light weight, save space for the user greatly

System environment to a wide temperature range -40 ℃ ~ + 65 ℃, intelligent temperature derating; overtemperature protection

Soft switching control technology, the system for maximum efficiency ≥ 95%.

Program online upgrade function, Convenient customer online debugging program and real-time updates, online self-diagnostic function, easy system maintenance.

Input characteristics
	Item	Technical requirements	unit			Remarks
1.1	Rated input voltage	380	Vdc
	Input voltage range	200—500
1.2	Maximum input current	3	A			Continuous Current
1.3	Static state battery drain current	≤10	mA			Battery drain current shutdown state
1.4	Input control voltage	7~35	Vdc
Output characteristics
2.1	Rated output voltage	48	Vdc			Rated input and output half load
2.2	Output voltage setting	50±0.3	Vdc
2.3	Output Current Range	0-21	A
2.4	Maximum output current	25	A
2.5	Output Power	1000/1200max	W			Peak power:1200w
2.6	Overall efficiency	≥96	%			Rated input half load
2.7	Temperature Coefficient	≤±0.02	%/℃
2.8	Output ripple and noise	≤500	mVp-p			Oscilloscope bandwidth would be 20MHz, the probe capacitance in parallel 10u + 104
2.9	Starting time	≤2	S			Power input voltage to the output voltage established to 48Vdc
2.10	Voltage regulation accuracy	≤±1	%
2.11	Static loss current	≤10	mA
2.12	control method	Hardwired / software control(CAN control)
3, Protective properties
3.1	Input overvoltage protection	510-515		Vdc
3.2	Input Overvoltage recovery	490-500		Vdc
3.3	Input under voltage protection	190-200		Vdc
3.4	Input voltage recovery	200-210		Vdc
3.5	Output overvoltage protection	58-62		Vdc	Shutdown hiccups
3.6	Output under voltage protection	≤30		Vdc	Shutdown protection, self-recovery
3.7	Overcurrent protection	yes		/
3.8	Over-temperature protection	85℃		-	Shell radiator temperature; automatic recovery
3.9	Output short circuit protection	yes		/	Shutdown protection, when the fault is removed, it can be automatically restored
3.10	Output reverse polarity protection	yes		/	Under in static conditions when the 24v battery reversed, module protection, self-recovery when the fault is removed
3.11	Fan failure protection	yes		/	When a fan fault module automatically derating until the module overtemperature protection disables the output; also reported fan failure alarm.

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