POWER
LCM300
Data Sheet
310 Watt Bulk Front End
Total Power: 310 W
# of Outputs: Single
Outputs:
12 to 60 V
Optional 5.0 V standby
SPECIAL FEATURES
310 W output power (350 W at 45 °C
for 24 V and 36 V models)
Low cost
1.61” x 4.0” x 7.0”
Electrical Specifications
Input
7.1 Watts per cubic inch
Industrial/Medical safety
-40 °C to 70 °C with derating
Optional 5 V @ 2 A housekeeping
High efficiency: 91% @ 230 Vac
Variable speed “Smart Fans”
DSP controlled
Input range
90 - 264 Vac (Operating)
115/230 Vac (Nominal)
TERMINAL BLOCK
Frequency
47 - 63 Hz, Nominal 50/60
Input fusing
Internal 8 A fuses, both lines fused
< 20 A peak, cold start at 25 °C
0.98 typical, meets EN61000-3-2
Meets IEC 1000-3-2 requirements
5 Arms max input current, at 90 Vac
20 ms minimum for Main O/P, at full rated load
> 91% typical at full Load / 230 Vac nominal
< 0.3 mA at 264 Vac
Inrush current
Power factor
Harmonics
PMBus compliant
Conformal coat option
Wide adjustment range
Margin programming
OR-ing FET
Input current
Hold up time
Efficiency
COMPLIANCE
Leakage current
ON/OFF power switch
EMI Class B
EN61000 Immunity
RoHS 2
N/A
Power line transient
Isolation
MOV directly after the fuse
Isolation: PRI-Chassis 2500 Vdc Basic
PRI-SEC 4000 Vac Reinforced 2xMOPP
SEC-Chassis 500 Vdc
PMBUS
SAFETY
UL
60950-1
508/1598/1433
60601-1 Ed 3
LCM300Q Efꢀciency Without the 5 Vsb
92.00
90.00
88.00
86.00
84.00
82.00
80.00
78.00
76.00
CSA
VDE
60950-1
60950-1
60601
100 Vac
230 Vac
China CCC
CB Scheme Report/Cert
25
50
75
100
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