SQE48T30018-NGB0 POWER ONE, SQE48T30018-NGB0 Datasheet - Page 11

• Manufacturer Part Number: SQE48T30018-NGB0
• Description: Module DC-DC 1-OUT 1.8V 30A 8-Pin 1/8-Brick
• Manufacturer: POWER ONE
• Type: Step Downr

Specifications of SQE48T30018-NGB0

• Package: 81/8-Brick
• Output Current: 30 A
• Output Voltage: 1.8 V
• Input Voltage: 48 V
• Number Of Outputs: 1

Fig. 3.3V.5: Power dissipation vs. load current and input voltage
for SQE48T30033 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. 3.3V.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 (1 V/div.). Time scale: 1 ms/div.
Fig. 3.3V.9: Output voltage response to load current step-
change (10 A – 20 A – 10 A) at Vin = 48 V. Top trace: output
voltage
(10 A/div.). Current slew rate: 0.1 A/µs. Co = 1 µF ceramic.
Time scale: 0.2 ms/div.
ZD-01961 Rev. 2.0, 05-Feb-10
15.00
12.00
9.00
6.00
3.00
0.00
0
(100
5
Turn-on transient at full rated load current
mV/div.).
10
Load Current [Adc]
Bottom
15
20
trace:
25
load
30
72 V
48 V
36 V
current
www.power-one.com
36-75 VDC Input; 1.2-3.3 VDC @ 30 A Output
35
SQE48T30 DC-DC Series Data Sheet
Fig. 3.3V.6: Power dissipation vs. load current and ambient
temperature for SQE48T30033 converter mounted vertically
with Vin = 48 V and air flowing from pin 3 to pin 1 at a rate of
200 LFM (1.0 m/s).
Fig. 3.3V.8: Turn-on transient at full rated load current
(resistive) plus 10,000 µF at Vin = 48 V, triggered via ON/OFF
pin. Top trace: ON/OFF signal (5 V/div.). Bottom trace: Output
voltage (1 V/div.). Time scale: 1 ms/div.
Fig. 3.3V.10: Output voltage response to load current step-change
(10 A – 20 A – 10 A) at Vin = 48 V. Top trace: output voltage (100
mV/div.). Bottom trace: load current (10 A/div.). Current slew rate: 5
A/µs. Co = 470 µF POS + 1 µF ceramic. Time scale: 0.2 ms/div.
15.00
12.00
9.00
6.00
3.00
0.00
0
5
10
Load Current [Adc]
15
20
25
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30
70 C
55 C
40 C
35