Datasheet > QL48T30012-PAB0G

QL48T30012-PAB0G

更新时间： 2025-09-17 04:17:07

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DC-DC Regulated Power Supply Module, 1 Output, Hybrid

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QL48T30012-PAB0G 数据手册

QL48T30012 DC-DC Converter Data Sheet

36-75 VDC Input; 1.2 VDC @ 30A Output

The QL48T30012 through-hole mounted low output voltage

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 theQFamily 30 A con-

verters provide thermal performance that far exceeds all

quarter bricks and is comparable even to existing half-bricks.

Low body profile and the preclusion of heatsinks 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 ex-

tremely high quality and reliability.

QL48T30012 Converter

Features

•

RoHS lead-free solder and lead-solder-exempted

products are available

Delivers up to 30 A

Higher current capability at 70ºC than existing quarter

brick and half-brick converters

High efficiency: 81% @ 30 A, 83% @ 15 A

Starts-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%

High reliability: MTBF 2.6 million hours, calculated per

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

•

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)

Ambient Temperature [°C]

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

flow rates for QL48T30012 converter mounted vertically with air

flowing from pin 3 to pin 1, MOSFET temperature ≤ 120°C, Vin =

54 V.

Applications

•

Telecommunications

Datacommunications

Wireless

•

Servers

MAR 26, 2003 revised to NOV 13, 2006

Page 1 of 14

www.power-one.com

12 3 4 5 6 7...14

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QL48T30012-PB	BEL	获取价格	DC-DC Regulated Power Supply Module, 1 Output, Hybrid,
QL48T30012-PBA0	BEL	获取价格	DC-DC Regulated Power Supply Module, 1 Output, Hybrid
QL48T30012-PBA0G	BEL	获取价格	DC-DC Regulated Power Supply Module, 1 Output, Hybrid,
QL48T30012-PBAT	BEL	获取价格	DC-DC Regulated Power Supply Module, 1 Output, Hybrid,
QL48T30012-PBATG	BEL	获取价格	DC-DC Regulated Power Supply Module, 1 Output, Hybrid,

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