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DC-DC转换器裸板型
 DCM 系列

• 通信类DC-DC转换器
• -48VDC输入电压
• 符合ETSI & NEBS标准
• 自然风冷散热
• 高功率密度
• 可加外壳

Short Form Datasheet.pdf
133.04 K
 
Long Form Datasheet.pdf
754.1 K
 
 
Specifications
     
Input
Input Voltage Range
 
48 VDC nominal (36 - 75 VDC). Can be configured as -48 VDC input. See datasheet.
 
 
Input Current
 
DCM60: 1.5 A typical, 2.5 A max, DCM100: 2.2 A typical. 3.5 A max.
 
 
Input Reverse Voltage Protection
 
Continuous protection with automatic recovery
 
 
Input Transient
 
Compliant with ETSI EN300 132:2003
 
 
Undervoltage Lockout Protection
 
32 - 35 VDC
 
 
         
Output
Output Voltage
 
12 V, see datasheet
 
 
Output Voltage Trim
 
±10% via potentiometer
 
 
Minimum Load
 
5% minimum load required to meet all specification parameters
 
 
Line Regulation
 
±0.5% of nominal with input variation of 36-75 VDC
 
 
Load Regulation
 
±1% of nominal with load variation 5-100%
 
 
Setpoint Accuracy
 
±1% of nominal with 48V DC input and 50% load
 
 
Turn-on Time
 
1 s typical from application of DC input
 
 
Transient Response
 
<4% deviation with a 50-75-50% load change at 1 A/?s. Output returns to within 1% in less than 500 ?s
 
 
Ripple & Noise
 
1% max pk-pk 20MHz bandwidth, 0.1 ?F capacitor connected across measuring points. See datasheet.
 
 
Overvoltage Protection
 
115-135% of nominal, recycle input DC to reset
 
 
Overcurrent Protection
 
105-150% of max current
 
 
Short Circuit Protection
 
Continuous protection, trip and restart (hiccup mode) characteristic. See datasheet.
 
 
Temperature Coefficient
 
0.02%/°C (after 20 minute warm up)
 
 
         
General
Efficiency
 
85% typical
 
 
Isolation Voltage
 
1500 VDC Input to Output (basic insulation), 1000 VDC Input to Ground, 500 VDC Output to Ground.
 
 
Switching Frequency
 
70 kHz typical
 
 
Power Density
 
DCM60: 6.30 W/cubic inch, DCM100: 7.40 W/cubic inch
 
 
MTBF
 
DCM60: 740 kHrs per MIL-HDBK-217F, DCM100: 540 kHrs per MIL-HDBK-217F
 
 
         
Environmental
Operating Temperature
 
0 °C to +50 °C with full load, derate linearly to 50% load at 70 °C convection cooled. 0°C to 60°C with full load, derate linearly to 75% load at 70 °C with force cooling 5CFM minimum. See datasheet.
 
 
Cooling
 
Convection or forced cooled. See datasheet.
 
 
Operating Humidity
 
0 to 95% RH non condensing
 
 
Storage Temperature
 
-40 °C to +80 °C. See datasheet.
 
 
Storage Humidity
 
0 to 95% RH non condensing. See datasheet.
 
 
Operating Altitude
 
3000m. See datasheet.
 
 
Shock
 
±3 shocks in each axis (total 18 shocks) 30g 11ms (half sine). See datasheet.
 
 
Vibration
 
2g, 10 - 500Hz 10 sweeps. See datasheet
 
 
         
EMC and Safety
Emissions
 
Compliant with EN61204-3 2000, EN55022 class A conducted & radiated (See datasheet), ETSI EN 300 132-2 2003, ETSI 300 386-1 1994, NEBS GR-1089-CORE issue 4
 
 
EFT/Burst
 
Compliant with EN61000-4-4 level 1 Perf Criteria A, ETSI 300 386-1 1994
 
 
Surge
 
EN61000-4-5 level 1 Perf Criteria A
 
 
Conducted Immunity
 
Compliant with EN61000-4-6 level 2 Perf Criteria A, ETSI 300 386-1 1994, NEBS GR-1089-Core issue 4
 
 
Narrow & Wide Band Noise
 
ETSI EN 300 132-2 2003
 
 
Safety Approvals
 
EN60950-1 2001 + A11 2004, UL60950-1 (2003), CSA-C22.2 No. 60950-1-03, CB Report IEC60950-1:2001, CE Marked to LVD (See datasheet)
 
 
 
 
 
 
 
 
 
      Model Number
       Input
          Output
   Power
 
 
 
 
 
 
 
DCM6048S12
36-75 VDC or -48VDC
      12 V/5 A
60 W
 
 
DCM10048S12
36-75 VDC or -48VDC
      12 V/7.5 A
100 W
 
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