Document
MCOTS-C-28-48-QT Single Output Quarter Brick
MILITARY COTS DC/DC CONVERTER
16-40V
Continuous Input
16-50V
Transient Input
48V
Output
2.5A
Output
a pu d bl va ic n at ce io d n
Full Power Operation: -55°C to +100°C
The MilQor series of MIL-COTS DC/DC converters brings SynQor’s field proven high-efficiency synchronous rectification technology to the Military/Aerospace
91% @ 1.25A / 89% @ 2.5A Efficiency
Mil-COTS
industry. SynQor’s ruggedized encased packaging approach ensures survivability in demanding environments. Compatible with the industry standard format, these converters operate at a fixed frequency, and follow conservative component derating guidelines. They are designed and manufactured to comply with a wide range of military standards Operational Features
Designed and Manufactured in the USA
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• High efficiency, 89% at full rated load current • Operating input voltage range: 16-40 V • Fixed frequency switching provides predictable EMI • No minimum load requirement
Mechanical Features
Protection Features
• Industry standard quarter-brick pin-out configuration • Size: 1.54" x 2.39" x 0.50" (39.0 x 60.6 x 12.7mm) • Total weight: 3 oz (85 g)
• Input under-voltage lockout • Output current limit and short circuit protection • Active back bias limit • Output over-voltage protection • Thermal shutdown
Control Features
Screening/Qualification
• On/Off control referenced to input side • Remote sense for the output voltage • Output voltage trim range of -20%, +10%
Safety Features
• 2250 V, 30 MW input-to-output isolation • Certified 60950-1 requirements for basic insulation (see Standards and Qualifications page) • CE Marked • RoHS compliant
Phone 1-888-567-9596
• AS9100 and ISO 9100:2000 certified facility • Qualification consistent with MIL-STD-883 • Avialable with standard or military grade screening • Pre-cap inspection per IPC-610, Class III • Temperature cycling per MIL-STD-883, Method 1010, Condition B, 10 cycles • Burn-In at 100°C baseplate temperature • Final visual inspection per MIL-STD-2008 • Full component traceability
Product # MCOTS-C-28-48-QT
www.synqor.com
Doc.# 005-0005282 Rev. 1
06/16/09
Page 1
Datasheet pdf - http://www.DataSheet4U.co.kr/
MCOTS-C-28-48-QT
Output: 48V Current: 2.5A
Technical Specification
BLOCK DIAGRAM
a pu d bl va ic n at ce io d n
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TYPICAL CONNECTION DIAGRAM
Vin
External Input Filter
Vin(+)
Vout(+)
Electrolytic
Vsense(+)
Trim
Rtrim-up
ON/OFF
or
Vsense(_) Vout(_)
Rtrim-down
Cload
Iload
Vin(_)
Product # MCOTS-C-28-48-QT
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-0005282 Rev. 1
06/16/09
Page 2
Datasheet pdf - http://www.DataSheet4U.co.kr/
MCOTS-C-28-48-QT
Output: 48V Current: 2.5A
Technical Specification
MCOTS-C-28-48-QT ELECTRICAL CHRACTERISTICS
ABSOLUTE MAXIMUM RATINGS Input Voltage Non-Operating Operating Operating Transient Protection Isolation Voltage Input to Output Input to Base-Plate Output to Base-Plate Operating Temperature Storage Temperature Voltage at ON/OFF input pin INPUT CHARACTERISTICS Operating Input Voltage Range Input Under-Voltage Lockout Turn-On Voltage Threshold Turn-Off Voltage Threshold Lockout Voltage Hysteresis Recommended External Input Capacitance Input Filter Component Values (L\C) Maximum Input Current No-Load Input Current Disabled Input Current Response to Input Transient Input Terminal Ripple Current Recommended Input Fuse OUTPUT CHARACTERISTICS Output Voltage Set Point Output Voltage Regulation Over Line Over Load Over Temperature Total Output Voltage Range Output Voltage Ripple and Noise Peak-to-Peak RMS Operating Output Current Range Output DC Current-Limit Inception Output DC Current-Limit Shutdown Voltage Back-Drive Current Limit while Enabled Back-Drive Current Limit while Disabled Maximum Output Capacitance Output Voltage during Load Current Transient Step Change in Output Current (0.1 A/µs) Settling Time Output Voltage Trim Range Output Voltage Remote Sense Range Output Over-Voltage Protection DYNAMIC CHARACTERISTICS Turn-On Transient Turn-On Time Start-Up Inhibit Time Output Voltage Overshoot EFFICIENCY 100% Load 50% Load Ta = 25 °C, airflow rate = 300 LFM, Vin = 28Vdc unless otherwise noted; full operating temperature range is -40 °C to +100 °C baseplate temperature with appropriate power derating. Specifications subject to change without notice.
Parameter
Min.
Typ.
Max.
60 40 50
Units
V V V
Notes & Conditions
a pu d bl va ic n at ce io d n
-40 -55 -2 16 2250 2250 2250 100 125 18 40 V dc V dc V dc °C °C V V Baseplate temperature 28 50V transient for 1 s 15.1 14.2 15.4 14.5 0.9 100 1.0\6.6 80 2 1 320 48 15.7 14.8 11.2 100 4 TBD V V V µF µH\µF A mA mA V mA A V Typical ESR 0.1-0.2 Ω Internal values; see Figure E Vin min; trim up; in current limit See Figure 6 RMS Fast acting external fuse recommended 47.52 48.48
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Continuous Continuous 1 s tran.