QL48T30012-NBB0 POWER ONE, QL48T30012-NBB0 Datasheet - Page 14

• Manufacturer Part Number: QL48T30012-NBB0
• Description: CONV DC-DC 48V IN 1.2V OUT 36W
• Manufacturer: POWER ONE
• Series: QL48r
• Type: Isolatedr

Specifications of QL48T30012-NBB0

• Output: 1.2V
• Number Of Outputs: 1
• Power (watts): 36W
• Mounting Type: Through Hole
• Voltage - Input: 36 ~ 75V
• Package / Case: 8-DIP Module, 1/4 Brick
• 1st Output: 1.2 VDC @ 30A
• Size / Dimension: 2.30" L x 1.45" W x 0.34" H (58.4mm x 36.8mm x 8.6mm)
• Power (watts) - Rated: 36W
• Operating Temperature: -40°C ~ 85°C
• Efficiency: 83%
• Approvals: cUL, UL
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• 3rd Output: -
• 2nd Output: -
• 4th Output: -
• Other names: 179-2222; QL48T30012-NAA0; QL48T30012-NBBO

NUCLEAR AND MEDICAL APPLICATIONS - Power-One products are not designed, intended for use in, or authorized for use as components in life support
systems, equipment used in hazardous environments, or nuclear control systems without the express written consent of the respective divisional president of
Power-One, Inc.
TECHNICAL REVISIONS - The appearance of products, including safety agency certifications pictured on labels, may change depending on the date
manufactured. Specifications are subject to change without notice.
MAR 26, 2003 revised to NOV 13, 2006
Fig. 25: Output voltage vs. load current showing current limit
point and converter shutdown point. Input voltage has almost
no effect on current limit characteristic.
2.0
1.5
1.0
0.5
•
0
0
10
Iout [Adc]
20
Fig. 27: Location of the thermocouple for thermal testing.
30
Page 14 of 14
QL48T30012 DC-DC Converter Data Sheet
40
36-75 VDC Input; 1.2 VDC @ 30A Output
Fig. 26: Load current (top trace, 20 A/div, 20 ms/div) into a 10
mΩ short circuit during restart, at Vin = 48 V. Bottom trace (20
A/div, 1 ms/div) is an expansion of the on-time portion of the
top trace.
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