QM48T14120-NDB0G POWER ONE, QM48T14120-NDB0G Datasheet - Page 10

• 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. 5: Power dissipation vs. load current and input voltage
for converter mounted vertically with air flowing from pin 3
to pin 1 at a rate of 300 LFM (1.5 m/s) and Ta = 25 C.
Fig. 7:
(resistive) with no output capacitor at Vin = 48 V, triggered
via ON/OFF pin. Top trace: ON/OFF signal (5 V/div.). Bottom
trace: output voltage (2 V/div.). Time scale: 2 ms/div.
ZD-00376 Rev. 1.1.1, 19-Feb-10
18.00
15.00
12.00
9.00
6.00
3.00
0.00
0
Turn-on transient at full rated load current
3
Load Current [Adc]
6
9
12
72 V
48 V
36 V
QM48T/S14120 DC-DC Converter Data Sheet
15
Page 10 of 20
36-75 VDC Input; 12 VDC @ 14 A Output
Fig. 6: Power dissipation vs. load current and ambient
temperature
Vin = 48 V and air flowing from pin 3 to pin 1 at a rate of
200 LFM (1.0 m/s).
Fig. 8: Turn-on transient at full rated load current (resistive)
plus 2,200 µF at Vin = 48 V, triggered via ON/OFF pin. Top
trace: ON/OFF signal (5 V/div.). Bottom trace: output oltage
(5 V/div.). Time scale: 2 ms/div
18.00
15.00
12.00
9.00
6.00
3.00
0.00
0
for
3
converter
Load Current [Adc]
6
.
mounted
9
www.power-one.com
vertically
12
70 C
55 C
40 C
with
15