SQ48 Power-One, SQ48 Datasheet - Page 60

• Manufacturer Part Number: SQ48
• Description: Sq48 Dc-dc Series
• Manufacturer: Power-One

SQ48T/S15010 (1.0 Volt Out)
Fig. 1.0V.9: Turn-on transient at full rated load current
(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 (0.5 V/div.). Time
scale: 2 ms/div.
SEP 14, 2005 revised to NOV 06, 2006
Fig. 1.0V.7: Power dissipation vs. load current and
input voltage for SQ48T/S15010 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.
5.00
4.00
3.00
2.00
1.00
0.00
0
2
4
Load Current [Adc]
6
8
10
12
14
72 V
48 V
36 V
16
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36-75 VDC Input; 1.0-12 VDC Output
Fig. 1.0V.8: Power dissipation vs. load current and
ambient temperature for SQ48T/S15010 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. 1.0V.10: 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 (0.5 V/div.).
Time scale: 2 ms/div.
5.00
4.00
3.00
2.00
1.00
0.00
SQ48 DC-DC Series Data Sheet
0
2
4
Load Current [Adc]
6
8
www.power-one.com
10
12
14
70 C
55 C
40 C
16