Cincon LFM550M Series 550W Medical AC/DC Power Supply

The Cincon LFM550M Series is a 550W medical AC-DC power supply with active PFC, efficiency up to 94%, and a compact 25.4mm low-profile package. The series supports Class I and Class II installations and is approved to ANSI/AAMI ES 60601-1, IEC 60601-1 and EN 60601-1 Ed. 3.2 for 2 MOPP, as well as IEC/EN/UL 62368-1 Ed. 3.0, and meets IEC/EN 60335-1.

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Features

Wide Universal AC Input Range: 85–264Vac input enabling global operation across a wide range of AC power systems.
Multiple Output Voltage Options: Available in 12V, 15V, 24V, 28V, 30V, 36V, 48V and 54V single output models for flexible system design.
High Output Current Capability: Provides up to 45.83A output current depending on model, supporting high-power medical equipment.
High Power Density 550W Design: Delivers up to 550W output power in a compact 25.4mm low-profile form factor.
Safety: IEC/EN/UL 62368-1 Ed.3.0 | Meets IEC/EN 60335-1 | ANSI/AAMI ES 60601-1, IEC 60601-1, EN 60601-1 Ed. 3.2, Class I, Class II
High Efficiency: Up to 94% (230Vac, full load, 25°C)

Specifications

ABSOLUTE MAXIMUM RATINGS
Parameter	Notes and Conditions	Device	Min.	Typ.	Max.	Units
Input Voltage	Safety approvals only to the AC input	All	85 115		264 370	Vac Vdc
Operating Temperature	See derating curve	All	-40		80	℃
Operating Case Temperature	At the center of base plate (Tc = Case temperature)	All	-40		90	℃
Storage Temperature		All	-40		90	℃
Operating Altitude		All			5000	m

INPUT CHARACTERISTICS
Parameter	Notes and Conditions	Device	Min.	Typ.	Max.	Units
Operating Input Voltage		All	100		240	Vac
Input Frequency Range		All	47		63	Hz
Maximum Input Current	100% Load, Vin=100Vac	All			6.3	A
Leakage Current	Contact leakage current Earth leakage current	All			100 300	uA
Inrush Current	Vin=240Vac, Cold Start @25℃	All			45	A
Power Factor	230Vac @ Full load	All	0.96	0.98

OUTPUT CHARACTERISTICS
Parameter	Notes and Conditions	Device	Min.	Typ.	Max.	Units
Output Voltage Set Point	Vin=Nominal Vin, Io=Io max., Tc=25℃	LFM550M120 LFM550M150 LFM550M240 LFM550M280 LFM550M300 LFM550M360 LFM550M480 LFM550M540	11.88 14.85 23.76 27.72 29.7 35.64 47.52 53.46	12 15 24 28 30 36 48 54	12.12 15.15 24.24 28.28 30.3 36.36 48.48 54.54	Vdc
Operating Output Current Range	Vin=85Vac~264Vac, see derating curve	LFM550M120 LFM550M150 LFM550M240 LFM550M280 LFM550M300 LFM550M360 LFM550M480 LFM550M540	0 0 0 0 0 0 0 0		45.83 36.66 22.91 19.64 18.33 15.27 11.45 10.18	A
Holdup Time	Vin=115Vac	All	8	12		ms
Output Voltage Regulation
Load Regulation	10% Load to full load	All			±0.5	%
Line Regulation	Vin=High line to low line	All			±0.3	%
Output Voltage Adjustment	Po≦max. rated power, Io≦Io max.	LFM550M280 Others	0 -5		+5 +5	%
Over Voltage Protection	Latch off (AC recycle to reset)	LFM550M120 LFM550M150 LFM550M240 LFM550M280 LFM550M300 LFM550M360 LFM550M480 LFM550M540			16 20 32 35 35 45 55 60	Vdc
Over Current Protection	Auto recovery (output is rated load)	All	120	140	160	%
Short Circuit Protection	Auto recovery	All
Over Temperature Protection	Auto recovery	All
Output Ripple and Noise	1. Add a 0.1uF ceramic capacitor and a 10uF aluminum electrolytic capacitor to output 2. Oscilloscope is 20MHz band width 3. Ambient Temperature=25℃	LFM550M120 LFM550M150 LFM550M240 LFM550M280 LFM550M300 LFM550M360 LFM550M480 LFM550M540			120 150 200 200 200 200 200 200	mV
Load Capacitance	1. Vin=115Vac and 230Vac 2. Output is max. load 3. Ambient temperature=25℃	LFM550M120 LFM550M150 LFM550M240 LFM550M280 LFM550M300 LFM550M360 LFM550M480 LFM550M540			27200 22400 14100 11600 10600 9020 7200 6000	uF
Efficiency	1. Input Voltage is 230Vac 2. Output is rated load 3. Ambient temperature=25℃	LFM550M120 LFM550M150 LFM550M240 LFM550M280 LFM550M300 LFM550M360 LFM550M480 LFM550M540		92 93 93 93 93 94 94 94		%

ISOLATION CHARACTERISTICS
Parameter	Notes and Conditions	Device	Min.	Typ.	Max.	Units
Input to Output	1 Minute (without dielectric breakdown)	All			4250	Vac
Input to Earth (Ground)	1 Minute (without dielectric breakdown)	All			2000	Vac
Output to Earth (Ground)	1 Minute (without dielectric breakdown)	All			2000	Vac
Isolation Resistance	Input to output	All	100			MΩ

FEATURE CHARACTERISTICS
Parameter	Notes and Conditions	Device	Min.	Typ.	Max.	Units
Switching Frequency		All		65		kHz

GENERAL SPECIFICATIONS
Parameter	Notes and Conditions	Device	Min.	Typ.	Max.	Units
MTBF	Io=100%; Ta=25℃ per MIL-HDBK-217F Io=100%; Ta=25℃ per Telcordia SR332	All	400 1300			k hours
Life Time (Detail refer to Application Note)	Conduction cooling @75% Load, 40℃ Fan cooling @75% Load, 40℃	All		97 150		k hours
Humidity	Non-condensing	All			93	% RH
Shock	Meet MIL-STD-810F Table 516.5, Table 516.5-I 10ms, each axis 3 times (±X, ±Y, ±Z axis)	All		75		g
Vibration	Meet MIL-STD-810F Table 514.5C-VIII, 15~2000Hz, X, Y, Z axis, 1 hour (each axis), total 3 hrs.	All		4		g
Weight	Baseplate versions Covered versions	LFM550MXXXB LFM550MXXXC		380 535		grams
Dimensions	Baseplate versions Covered versions	LFM550MXXXB LFM550MXXXC	5.00x3.00x1.00 Inches (127.0x76.2x25.4 mm) 5.09x3.29x1.00 Inches (129.4x83.5x25.4 mm)
Safety	Class I, Class II ANSI/AAMI ES 60601-1, IEC 60601-1, EN 60601-1 Class I, IEC/EN/UL 62368-1				Ed. 3.2 Ed. 3.0
EMC Emission	EN 55011 Class B, IEC/EN 61000-3-2, EN 61000-3-3, 47 CFR FCC Part 18 EN 55032, EN 61000-6-4, EN 61204-3, EN 61000-3-2, EN 61000-3-3, 47 CFR FCC Part 15
Conducted Disturbance	EN 55011, EN 55032, 47 CFR FCC Part 18 & Part 15				Class B
Radiated Disturbance	EN 55011, 47 CFR FCC Part 18 (Class II only meets Class A) EN 55032, 47 CFR FCC Part 15				Class B
Harmonic Current Emissions	IEC/EN 61000-3-2				Class A, C, D
Voltage Fluctuations & Flicker	EN 61000-3-3				Criterion A
EMC Immunity	EN 60601-1-2, IEC/EN 61000-4-2, 3, 4, 5, 6, 8, 11 EN 55035, EN 61000-6-2, EN 61204-3				Ed. 4.1
Electrostatic Discharge (ESD)	IEC 61000-4-2, Level 4: Air Discharge: ±15kV, Contact Discharge: ±8kV				Criterion A
Radio-Frequency, Continuous Radiated Disturbance	IEC/EN 61000-4-3, Level 3: 80~2700MHz, 10V/m				Criterion A
Electrical Fast Transient (EFT)	EN 61000-4-4, Level 3: ±2KV				Criterion A
Surge	EN 61000-4-5, Level 4: L-N: ±2kV, L-E (Ground): ±4kV				Criterion A
Conducted Disturbances, Induced by RF Fields	EN 61000-4-6, Level 3: 0.15~80MHz, 10V				Criterion A
Power Frequency Magnetic Field	EN 61000-4-8, Level 4: 30A/m				Criterion A
Voltage Dips	IEC/EN 61000-4-11, Dip: 30% Reduction IEC/EN 61000-4-11, Dip >95% Reduction				Criterion A
Voltage Interruptions	IEC/EN 61000-4-11, >95% Reduction				Criterion B
Application Note Link	LFM550M Series App Notes

Technical Illustrations

Downloads

Datasheet-LFM550M-series.pdf

ABSOLUTE MAXIMUM RATINGS
Parameter	Notes and Conditions	Device	Min.	Typ.	Max.	Units
Input Voltage	Safety approvals only to the AC input	All	85 115		264 370	Vac Vdc
Operating Temperature	See derating curve	All	-40		80	℃
Operating Case Temperature	At the center of base plate (Tc = Case temperature)	All	-40		90	℃
Storage Temperature		All	-40		90	℃
Operating Altitude		All			5000	m

INPUT CHARACTERISTICS
Parameter	Notes and Conditions	Device	Min.	Typ.	Max.	Units
Operating Input Voltage		All	100		240	Vac
Input Frequency Range		All	47		63	Hz
Maximum Input Current	100% Load, Vin=100Vac	All			6.3	A
Leakage Current	Contact leakage current Earth leakage current	All			100 300	uA
Inrush Current	Vin=240Vac, Cold Start @25℃	All			45	A
Power Factor	230Vac @ Full load	All	0.96	0.98

OUTPUT CHARACTERISTICS
Parameter	Notes and Conditions	Device	Min.	Typ.	Max.	Units
Output Voltage Set Point	Vin=Nominal Vin, Io=Io max., Tc=25℃	LFM550M120 LFM550M150 LFM550M240 LFM550M280 LFM550M300 LFM550M360 LFM550M480 LFM550M540	11.88 14.85 23.76 27.72 29.7 35.64 47.52 53.46	12 15 24 28 30 36 48 54	12.12 15.15 24.24 28.28 30.3 36.36 48.48 54.54	Vdc
Operating Output Current Range	Vin=85Vac~264Vac, see derating curve	LFM550M120 LFM550M150 LFM550M240 LFM550M280 LFM550M300 LFM550M360 LFM550M480 LFM550M540	0 0 0 0 0 0 0 0		45.83 36.66 22.91 19.64 18.33 15.27 11.45 10.18	A
Holdup Time	Vin=115Vac	All	8	12		ms
Output Voltage Regulation
Load Regulation	10% Load to full load	All			±0.5	%
Line Regulation	Vin=High line to low line	All			±0.3	%
Output Voltage Adjustment	Po≦max. rated power, Io≦Io max.	LFM550M280 Others	0 -5		+5 +5	%
Over Voltage Protection	Latch off (AC recycle to reset)	LFM550M120 LFM550M150 LFM550M240 LFM550M280 LFM550M300 LFM550M360 LFM550M480 LFM550M540			16 20 32 35 35 45 55 60	Vdc
Over Current Protection	Auto recovery (output is rated load)	All	120	140	160	%
Short Circuit Protection	Auto recovery	All
Over Temperature Protection	Auto recovery	All
Output Ripple and Noise	1. Add a 0.1uF ceramic capacitor and a 10uF aluminum electrolytic capacitor to output 2. Oscilloscope is 20MHz band width 3. Ambient Temperature=25℃	LFM550M120 LFM550M150 LFM550M240 LFM550M280 LFM550M300 LFM550M360 LFM550M480 LFM550M540			120 150 200 200 200 200 200 200	mV
Load Capacitance	1. Vin=115Vac and 230Vac 2. Output is max. load 3. Ambient temperature=25℃	LFM550M120 LFM550M150 LFM550M240 LFM550M280 LFM550M300 LFM550M360 LFM550M480 LFM550M540			27200 22400 14100 11600 10600 9020 7200 6000	uF
Efficiency	1. Input Voltage is 230Vac 2. Output is rated load 3. Ambient temperature=25℃	LFM550M120 LFM550M150 LFM550M240 LFM550M280 LFM550M300 LFM550M360 LFM550M480 LFM550M540		92 93 93 93 93 94 94 94		%

ISOLATION CHARACTERISTICS
Parameter	Notes and Conditions	Device	Min.	Typ.	Max.	Units
Input to Output	1 Minute (without dielectric breakdown)	All			4250	Vac
Input to Earth (Ground)	1 Minute (without dielectric breakdown)	All			2000	Vac
Output to Earth (Ground)	1 Minute (without dielectric breakdown)	All			2000	Vac
Isolation Resistance	Input to output	All	100			MΩ

FEATURE CHARACTERISTICS
Parameter	Notes and Conditions	Device	Min.	Typ.	Max.	Units
Switching Frequency		All		65		kHz

GENERAL SPECIFICATIONS
Parameter	Notes and Conditions	Device	Min.	Typ.	Max.	Units
MTBF	Io=100%; Ta=25℃ per MIL-HDBK-217F Io=100%; Ta=25℃ per Telcordia SR332	All	400 1300			k hours
Life Time (Detail refer to Application Note)	Conduction cooling @75% Load, 40℃ Fan cooling @75% Load, 40℃	All		97 150		k hours
Humidity	Non-condensing	All			93	% RH
Shock	Meet MIL-STD-810F Table 516.5, Table 516.5-I 10ms, each axis 3 times (±X, ±Y, ±Z axis)	All		75		g
Vibration	Meet MIL-STD-810F Table 514.5C-VIII, 15~2000Hz, X, Y, Z axis, 1 hour (each axis), total 3 hrs.	All		4		g
Weight	Baseplate versions Covered versions	LFM550MXXXB LFM550MXXXC		380 535		grams
Dimensions	Baseplate versions Covered versions	LFM550MXXXB LFM550MXXXC	5.00x3.00x1.00 Inches (127.0x76.2x25.4 mm) 5.09x3.29x1.00 Inches (129.4x83.5x25.4 mm)
Safety	Class I, Class II ANSI/AAMI ES 60601-1, IEC 60601-1, EN 60601-1 Class I, IEC/EN/UL 62368-1				Ed. 3.2 Ed. 3.0
EMC Emission	EN 55011 Class B, IEC/EN 61000-3-2, EN 61000-3-3, 47 CFR FCC Part 18 EN 55032, EN 61000-6-4, EN 61204-3, EN 61000-3-2, EN 61000-3-3, 47 CFR FCC Part 15
Conducted Disturbance	EN 55011, EN 55032, 47 CFR FCC Part 18 & Part 15				Class B
Radiated Disturbance	EN 55011, 47 CFR FCC Part 18 (Class II only meets Class A) EN 55032, 47 CFR FCC Part 15				Class B
Harmonic Current Emissions	IEC/EN 61000-3-2				Class A, C, D
Voltage Fluctuations & Flicker	EN 61000-3-3				Criterion A
EMC Immunity	EN 60601-1-2, IEC/EN 61000-4-2, 3, 4, 5, 6, 8, 11 EN 55035, EN 61000-6-2, EN 61204-3				Ed. 4.1
Electrostatic Discharge (ESD)	IEC 61000-4-2, Level 4: Air Discharge: ±15kV, Contact Discharge: ±8kV				Criterion A
Radio-Frequency, Continuous Radiated Disturbance	IEC/EN 61000-4-3, Level 3: 80~2700MHz, 10V/m				Criterion A
Electrical Fast Transient (EFT)	EN 61000-4-4, Level 3: ±2KV				Criterion A
Surge	EN 61000-4-5, Level 4: L-N: ±2kV, L-E (Ground): ±4kV				Criterion A
Conducted Disturbances, Induced by RF Fields	EN 61000-4-6, Level 3: 0.15~80MHz, 10V				Criterion A
Power Frequency Magnetic Field	EN 61000-4-8, Level 4: 30A/m				Criterion A
Voltage Dips	IEC/EN 61000-4-11, Dip: 30% Reduction IEC/EN 61000-4-11, Dip >95% Reduction				Criterion A
Voltage Interruptions	IEC/EN 61000-4-11, >95% Reduction				Criterion B
Application Note Link	LFM550M Series App Notes

Datasheet-LFM550M-series.pdf

Find the Right Model

Model Number	Input Voltage (Vac)	Output Voltage (Vdc)	Output Current (A)
LFM550M120	85–264Vac	12Vdc	45.83A	Powerbox Website Product Enquiry Fill out the form below and one of our Powerbox specialists will be in contact with you shortly. First Name Last Name Phone Email Company Name Country State NSW VIC QLD SA WA NT ACT TAS Not applicable Please indicate the nature of your product enquiry: (You may select more than one) Pricing & Availability Technical Support / Application Guidance Product Documentation Other Industry Product you're enquiring about Product Model Need assistance LFM550M120 LFM550M150 LFM550M240 LFM550M280 LFM550M300 LFM550M360 LFM550M480 LFM550M540 Message (optional) Enquire Now
LFM550M150	85–264Vac	15Vdc	36.66A	Powerbox Website Product Enquiry Fill out the form below and one of our Powerbox specialists will be in contact with you shortly. First Name Last Name Phone Email Company Name Country State NSW VIC QLD SA WA NT ACT TAS Not applicable Please indicate the nature of your product enquiry: (You may select more than one) Pricing & Availability Technical Support / Application Guidance Product Documentation Other Industry Product you're enquiring about Product Model Need assistance LFM550M120 LFM550M150 LFM550M240 LFM550M280 LFM550M300 LFM550M360 LFM550M480 LFM550M540 Message (optional) Enquire Now
LFM550M240	85–264Vac	24Vdc	22.91A	Powerbox Website Product Enquiry Fill out the form below and one of our Powerbox specialists will be in contact with you shortly. First Name Last Name Phone Email Company Name Country State NSW VIC QLD SA WA NT ACT TAS Not applicable Please indicate the nature of your product enquiry: (You may select more than one) Pricing & Availability Technical Support / Application Guidance Product Documentation Other Industry Product you're enquiring about Product Model Need assistance LFM550M120 LFM550M150 LFM550M240 LFM550M280 LFM550M300 LFM550M360 LFM550M480 LFM550M540 Message (optional) Enquire Now
LFM550M280	85–264Vac	28Vdc	19.64A	Powerbox Website Product Enquiry Fill out the form below and one of our Powerbox specialists will be in contact with you shortly. First Name Last Name Phone Email Company Name Country State NSW VIC QLD SA WA NT ACT TAS Not applicable Please indicate the nature of your product enquiry: (You may select more than one) Pricing & Availability Technical Support / Application Guidance Product Documentation Other Industry Product you're enquiring about Product Model Need assistance LFM550M120 LFM550M150 LFM550M240 LFM550M280 LFM550M300 LFM550M360 LFM550M480 LFM550M540 Message (optional) Enquire Now
LFM550M300	85–264Vac	30Vdc	18.33A	Powerbox Website Product Enquiry Fill out the form below and one of our Powerbox specialists will be in contact with you shortly. First Name Last Name Phone Email Company Name Country State NSW VIC QLD SA WA NT ACT TAS Not applicable Please indicate the nature of your product enquiry: (You may select more than one) Pricing & Availability Technical Support / Application Guidance Product Documentation Other Industry Product you're enquiring about Product Model Need assistance LFM550M120 LFM550M150 LFM550M240 LFM550M280 LFM550M300 LFM550M360 LFM550M480 LFM550M540 Message (optional) Enquire Now
LFM550M360	85–264Vac	36Vdc	15.27A	Powerbox Website Product Enquiry Fill out the form below and one of our Powerbox specialists will be in contact with you shortly. First Name Last Name Phone Email Company Name Country State NSW VIC QLD SA WA NT ACT TAS Not applicable Please indicate the nature of your product enquiry: (You may select more than one) Pricing & Availability Technical Support / Application Guidance Product Documentation Other Industry Product you're enquiring about Product Model Need assistance LFM550M120 LFM550M150 LFM550M240 LFM550M280 LFM550M300 LFM550M360 LFM550M480 LFM550M540 Message (optional) Enquire Now
LFM550M480	85–264Vac	48Vdc	11.45A	Powerbox Website Product Enquiry Fill out the form below and one of our Powerbox specialists will be in contact with you shortly. First Name Last Name Phone Email Company Name Country State NSW VIC QLD SA WA NT ACT TAS Not applicable Please indicate the nature of your product enquiry: (You may select more than one) Pricing & Availability Technical Support / Application Guidance Product Documentation Other Industry Product you're enquiring about Product Model Need assistance LFM550M120 LFM550M150 LFM550M240 LFM550M280 LFM550M300 LFM550M360 LFM550M480 LFM550M540 Message (optional) Enquire Now
LFM550M540	85–264Vac	54Vdc	10.18A	Powerbox Website Product Enquiry Fill out the form below and one of our Powerbox specialists will be in contact with you shortly. First Name Last Name Phone Email Company Name Country State NSW VIC QLD SA WA NT ACT TAS Not applicable Please indicate the nature of your product enquiry: (You may select more than one) Pricing & Availability Technical Support / Application Guidance Product Documentation Other Industry Product you're enquiring about Product Model Need assistance LFM550M120 LFM550M150 LFM550M240 LFM550M280 LFM550M300 LFM550M360 LFM550M480 LFM550M540 Message (optional) Enquire Now