QM48T14120-NDB0G POWER ONE, QM48T14120-NDB0G Datasheet - Page 11

• Manufacturer Part Number: QM48T14120-NDB0G
• Description: DC/DC Converters & Regulators
• Manufacturer: POWER ONE
• Type: Step Downr

Specifications of QM48T14120-NDB0G

• Output Power: 168W
• Output Current: 14A
• Input Voltage: 48V
• Output Voltage: 12V
• Screening Level: Industrial
• Product Length (mm): 36.83mm
• Product Height (mm): 7.08mm
• Product Depth (mm): 58.42mm
• Mounting Style: Through Hole
• Pin Count: 8
• Number Of Outputs: 1
• Package / Case: Quarter-Brick
• Product: Isolated
• Input Voltage Range: 36 V to 75 V
• Input Voltage (nominal): 48 V
• Output Voltage (channel 1): 12 V
• Output Current (channel 1): 14 A
• Isolation Voltage: 2000 V
• Package / Case Size: Quarter Brick
• Lead Free Status / RoHS Status: Compliant
• Lead Free Status / RoHS Status: Compliant

QM48T/S14120-wxy0 (Non-parallelable version)
Fig. 9: Output voltage response to load current step-
change (3.5 A – 7 A – 3.5 A) at Vin = 48 V. Top trace: output
voltage (200 mV/div.). Bottom trace: load current (2 A/div).
Bottom trace: load current (5 A/div.). Current slew rate:
5 A/µs. Co = 1 µF ceramic. Time scale: 0.2 ms/div.
Fig. 11: Input reflected ripple current, i
measured through 10 µH at the source at full rated load
current and Vin = 48 V. Refer to Fig. 13 for test setup. Time
scale: 1 µs/div.
ZD-00376 Rev. 1.1.1, 19-Feb-10
s
(10 mA/div),
QM48T/S14120 DC-DC Converter Data Sheet
Page 11 of 20
36-75 VDC Input; 12 VDC @ 14 A Output
Fig. 10: Output voltage ripple (50 mV/div.) at full rated load
current into a resistive load with Co = 10 µF tantalum + 1 µF
ceramic and Vin = 48 V. Time scale: 1 µs/div.
Fig. 12: Input reflected ripple current, i
measured at input terminals at full rated load current and
Vin = 48 V. Refer to Fig. 13 for test setup. Time scale: 1
µs/div.
www.power-one.com
c
(200 mA/div),