Q48T08120-NBB0【PDF 1/14 页】DC/DC QTR BRICK 96W 12V T/H

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Q48T08120 DC-DC Converter Data Sheet

36-75 VDC Input; 12VDC @ 8A Output

The Q48T08120 through-hole mounted DC/DC converter

offers unprecedented performance in the industry-standard

quarter brick format. This is accomplished through the use of

patent pending circuit and packaging techniques to achieve

ultra-high efficiency, excellent thermal performance and a

very low body profile.

In telecommunications applications the Q && Family 8 A con-

verters provide excellent thermal performance. Low body

profile and the preclusion of heat sinks minimize airflow

shadowing, thus enhancing cooling for downstream devices.

The use of 100% surface-mount technologies for assembly,

coupled with Power-One’s advanced electric and thermal

circuitry and packaging, results in a product with extremely

high quality and reliability.

Features

Q48T08120 Converter

500 LFM (2.5 m/s)

400 LFM (2.0 m/s)

300 LFM (1.5 m/s)

200 LFM (1.0 m/s)

100 LFM (0.5 m/s)

30 LFM (0.15 m/s)

20 30 40 50 60 70 80 90

Ambient Temperature [°C]

Fig. 1: Available load current vs. ambient air temperature and air-

flow rates for Q48T08120 converter mounted vertically with air flow-

ing from pin 3 to pin 1, MOSFET temperature ≤ 120 ° C, Vin = 54 V.

Applications

RoHS lead-free solder and lead-solder-exempted

products are available

Delivers up to 8 A

High efficiency: 89.5% @ 8 A, 89.5% @ 4 A

Start-up into pre-biased output

No minimum load required

No heat sink required

Low profile: 0.28” [7.2 mm]

Low weight: 1 oz [28 g] typical

Industry-standard footprint: 1.45” x 2.30”

Industry-standard pinout

Meets Basic Insulation Requirements of EN60950

Withstands 100 V input transient for 100 ms

On-board LC input filter

Fixed-frequency operation

Fully protected

Remote output sense

Output voltage trim range: +10%/-20%

Trim resistor via industry-standard equations

High reliability: MTBF 2.6 million hours, calculated per

Telecommunications

Data communications

Wireless

Servers

Telcordia TR-332, Method I Case 1

Positive or negative logic ON/OFF option

UL 60950 recognized in U.S. & Canada, and DEMKO

certified per IEC/EN 60950

Meets conducted emissions requirements of FCC

Class B and EN55022 Class B with external filter

All materials meet UL94, V-0 flammability rating

JUN 23, 2004 revised to NOV 20, 2006

Page 1 of 14

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