SQ48T15018-NBB0 POWER ONE, SQ48T15018-NBB0 Datasheet - Page 21

• Manufacturer Part Number: SQ48T15018-NBB0
• Description: CONV DC-DC 48V IN 1.8V OUT 27W
• Manufacturer: POWER ONE
• Series: SQ48r
• Type: Isolatedr

Specifications of SQ48T15018-NBB0

• Output: 1.8V
• Number Of Outputs: 1
• Power (watts): 27W
• Mounting Type: Through Hole
• Voltage - Input: 36 ~ 75V
• Package / Case: 8-DIP Module, 1/4 Brick
• 1st Output: 1.8 VDC @ 15A
• Size / Dimension: 2.30" L x 0.90" W x 0.34" H (58.4mm x 22.9mm x 8.6mm)
• Power (watts) - Rated: 27W
• Operating Temperature: -40°C ~ 85°C
• Approvals: cUL, EN, UL
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• 3rd Output: -
• 2nd Output: -
• 4th Output: -
• Other names: 179-2214; SQ48T15018-NAA0; SQ48T15018-NBBO

SQ48T/S08060 (6.0 Volt Out)
Fig. 6.0V.11: Output voltage response to load current
step-change (2 A – 4 A – 2 A) at Vin = 48 V. Top trace:
output voltage (100 mV/div.). Bottom trace: load current
(2 A/div.). Current slew rate: 0.1 A/µs. Co = 1 µF
ceramic. Time scale: 0.2 ms/div.
Fig. 6.0V.13: 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.
SEP 14, 2005 revised to NOV 06, 2006
Page 21 of 64
36-75 VDC Input; 1.0-12 VDC Output
Fig. 6.0V.12: Output voltage response to load current
step-change (2 A – 4 A – 2 A) at Vin = 48 V. Top trace:
output voltage (100 mV/div.). Bottom trace: load current
(2 A/div.). Current slew rate: 5 A/µs. Co = 450 µF
tantalum + 1 µF ceramic. Time scale: 0.2 ms/div.
Fig. 6.0V.14: Test Setup for measuring input reflected
ripple currents,
Vsource
SQ48 DC-DC Series Data Sheet
inductance
i
source
10 μH
S
i
c
electrolytic
capacitor
and
ESR <1
33 μF
i
C
i
s
.
Semi
Converter
DC-DC
Q
TM
Family
www.power-one.com
capacitor
ceramic
1 μF
Vout