Cincon LFM300M Series 300W Medical AC/DC Power Supply
The Cincon LFM300M Series is a 300W medical AC-DC power supply with active PFC, high 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 ...
Read MoreThe Cincon LFM300M Series is a 300W medical AC-DC power supply with active PFC, high 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.
Available in baseplate and covered versions, the LFM300M Series offers single outputs in 12V, 15V, 24V, 28V, 30V, 48V and 54V models. It supports forced-air cooling, baseplate conduction cooling, and external conduction plate cooling, making it suitable for designs that need high power density in a compact footprint.
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Features
- Wide Universal AC Input Range: 85–264Vac input supporting global AC mains operation across medical and industrial environments.
- Multiple Output Voltage Options: Available in 12V, 15V, 24V, 28V, 30V, 48V and 54V single output models to support a wide range of system requirements.
- High Output Current Capability: Delivers up to 25A depending on the selected output voltage model, enabling reliable power delivery for demanding applications.
- High Power Density 300W Design: Compact AC-DC power supply delivering up to 300W output in a low-profile 25.4mm package.
- 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
- High Efficiency: Up to 94% (230Vac, full load, 25°C)
- No-Load Input Power: <0.3W
- Active PFC: Power Factor 0.92 @ 230Vac full load
- Output Voltage Adjustment Range: ±5% of nominal
- OVP: Latch off (AC recycle to reset) | OCP: 110–150%, auto-recovery
- SCP: Continuous, auto-recovery | OTP: Auto-recovery
- Load Regulation: ±0.5% (10–100% load) | Line Regulation: ±0.3%
- Cooling: External Fan (14CFM, above 115Vac) | Baseplate Conduction | External Baseplate
- Operating Temp: −40°C to +80°C | Altitude: 5000m
- MTBF: 500,000h (MIL-HDBK-217F) | 1,690,000h (Telcordia SR332)
- EMC Immunity: EN 60601-1-2, IEC/EN 61000-4-2/3/4/5/6/8/11 Ed.4.1
- EMC Emission: EN 55011 Class B, EN 55032, FCC Part 15 & 18 Class B
- AC Input: ECE ETB22 Terminal Block (14–18 AWG)
Specifications
| ABSOLUTE MAXIMUM RATINGS | ||||||
|---|---|---|---|---|---|---|
| Parameter | Notes and Conditions |
Device |
Min. |
Typ. |
Max. |
Units |
| Input Voltage | All | 85 | 264 | Vac | ||
| Operating Temperature | See derating curve | All | -40 | 80 | ℃ | |
| Operating Case Temperature | At the center of base plate (T꜀ = 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 | 5.0 | A | ||
| Leakage Current | All | 300 | uA | |||
| Inrush Current | Vᵢₙ=240Vac, Cold Start @25℃ | All | 105 | A | ||
| Power Factor | 230Vac @ Full load | All | 0.92 | |||
| OUTPUT CHARACTERISTICS | ||||||
|---|---|---|---|---|---|---|
| Parameter | Notes and Conditions |
Device |
Min. |
Typ. | Max. |
Units |
| Output Voltage Set Point |
Vᵢₙ=Nominal Vᵢₙ, Iₒ= Iₒ_ₘₐₓ., T꜀=25℃ |
LFM300M120 |
11.88 14.85 23.76 27.72 29.7 47.52 53.46 |
12 15 24 28 30 48 54 |
12.12 |
Vdc |
| Operating Output Current Range | Vᵢₙ=85Vac-264Vac, see derating curve | LFM300M120 LFM300M150 LFM300M240 LFM300M280 LFM300M300 LFM300M480 LFM300M540 |
0 |
25.0 20.0 12.5 10.7 10.0 6.25 5.56 |
A | |
| Holdup Time | Vᵢₙ=115Vac | All | 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. | All | -5 | +5 | % | |
| Over Voltage Protection | Latch off (AC recycle to reset) | LFM300M120 LFM300M150 LFM300M240 LFM300M280 LFM300M300 LFM300M480 LFM300M540 |
16 20 32 35 36 59 63 |
Vdc | ||
| Over Current Protection | Auto recovery (output is rated load) | All | 110 | 120 | 150 | % |
| 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℃ |
LFM300M120 LFM300M150 LFM300M240 LFM300M280 LFM300M300 LFM300M480 LFM300M540 |
150 150 240 280 300 480 540 |
mV | ||
| Load Capacitance | 1. Vᵢₙ=115Vac and 230Vac 2. Output is max. load 3. Ambient temperature=25℃ |
LFM300M120 LFM300M150 LFM300M240 LFM300M280 LFM300M300 LFM300M480 LFM300M540 |
15400 12200 7800 6600 6200 3870 3400 |
uF | ||
| Efficiency | 1. Input Voltage is 230Vac 2. Output is rated load 3. Ambient temperature=25℃ |
LFM300M120 LFM300M150 LFM300M240 LFM300M280 LFM300M300 LFM300M480 LFM300M540 |
93 93 94 94 94 94 93 |
% | ||
| 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 | Pₒᵤₜ=max. rated power |
All |
100 | kHz | ||
| GENERAL CHARACTERISTICS | ||||||
|---|---|---|---|---|---|---|
| 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 |
500 1690 |
k hours | ||
| Life Time (Detail refer to Application Note) | Conduction cooling @75% Load, 40℃ Fan cooling @75% Load, 40℃ |
All | 112 159 |
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 |
LFM300MXXXB LFM300MXXXC |
200 280 |
grams | ||
| Dimensions | Baseplate versions Covered versions |
LFM300MXXXB LFM300MXXXC |
4.04x2.00x1.00 Inches (102.6x50.8x25.4 mm) 4.09x2.28x1.00 Inches (104.0x57.9x25.4 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, CFR FCC Part 18 & Part 15 | Class B | ||||
| Radiated Disturbance | EN 55011, CFR FCC Part 18 (Class II Only Meets Class A), EN 55032, CFR FCC Part 15 |
Class B | ||||
| Harmonic Current Emissions | IEC/EN 61000-3-2 | Class A, 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 | LFM300M Series App Notes | |||||
Selection Table
| MODEL NUMBER | OUTPUT VOLTAGE | OUTPUT CURRENT | RIPPLE & NOISE NOTE1 | VOLTAGE ACCURACY NOTE2 | VOLTAGE ADJ. RANGE | LINE REGULATION NOTE3 | LOAD REGULATION NOTE4 | % EFF. (Typ.) NOTE5 | ||
|---|---|---|---|---|---|---|---|---|---|---|
| With Fan NOTE6 | With Conduction Cooling NOTE7 | |||||||||
| Baseplate | Cover | |||||||||
| LFM300M120 |
12 Vdc |
25 A | 14.2 A | 20.83 A | 150 mV | ±1% | 11.4-12.6 V | ±0.3% | ±0.5% | 93% |
|
LFM300M150 |
15 Vdc |
20A | 11.35 A | 16.6 A | 150 mV | ±1% | 14.25-15.75 V | ±0.3% | ±0.5% | 93% |
| LFM300M240 |
24 Vdc |
12.5 A | 7.1 A | 10.4 A | 240 mV | ±1% | 22.8-25.2 V | ±0.3% | ±0.5% | 94% |
| LFM300M280 |
28 Vdc |
10.7 A | 6.07 A | 8.90 A | 280 mV | ±1% | 26.6-29.4 V | ±0.3% | ±0.5% | 94% |
| LFM300M300 |
30 Vdc |
10 A | 5.67 A | 8.33 A | 300 mV | ±1% |
28.5-31.5 V |
±0.3% | ±0.5% | 94% |
| LFM300M480 |
48 Vdc |
6.25 A | 3.54 A | 5.20 A | 480 mV | ±1% | 45.6-50.4 V | ±0.3% | ±0.5% | 94% |
| LFM300M540 |
54 Vdc |
5.56 A | 3.15 A | 4.63 A | 540 mV | ±1% | 51.3-56.7 V | ±0.3% | ±0.5% | 93% |
|
NOTE: |
||||||||||
PART NUMBER
| SERIES | NUMBER OF OUTPUTS | NOMINAL OUTPUT VOLTAGE | TYPE | MOUNTING INSERTS |
|---|---|---|---|---|
| LFM300 | O | XXX | X | -YZ |
| LFM300 |
M:Medical |
120 : 12Vdc |
B:With Baseplate C:With Cover |
Blank:Through Hole C0:Threaded Hole |
|
Part Number Example: |
||||
Technical Drawings
Warranty & Returns
Warranty periods vary by product. Please refer to the Powerbox Warranty Policy for the applicable coverage period against manufacturing defects from date of purchase. For returns and RMA requests, please visit our RMA support page or contact our support team directly.