Datasheet > QME48T40010-NGB0G

QME48T40010-NGB0G

更新时间： 2024-11-07 15:48:51

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QME48T40 DC-DC Series Data Sheet

36-75 VDC Input; 1.0-3.3 VDC @ 40A Output

Features

• RoHS lead-free solder and lead-solder-exempted

products are available

• Delivers up to 40 A

• Outputs available: 3.3, 2.5, 1.8, 1.5, 1.2 and 1.0 V

• Industry-standard quarter-brick pinout

• On-board input differential LC-filter

• Startup into pre-biased load

• No minimum load required

• Dimensions: 1.45” x 2.30” x 0.425”

(36.83 x 58.42 x 10.80 mm)

• Weight: 1.2 oz [34.2 g]

• Meets Basic Insulation requirements of EN60950

• Withstands 100 V input transient for 100 ms

• Fixed-frequency operation

• Fully protected

• Remote output sense

• Non-Latching / Latching OTP option

• Positive or negative logic ON/OFF option

• Output voltage trim range: +10%/−20% with

Applications

• Telecommunications

• Data communications

• Wireless communications

• Servers, Workstations

industry-standard trim equations (±10% for 1.2 V

and 1.0 V)

Benefits

• High reliability: MTBF = 13.9 million hours,

calculated per Telcordia TR-332, Method I Case 1

• High efficiency – no heat sink required

• Higher current capability at 70 ºC than most

competitors’ 40 A half-bricks

• UL60950 recognized in US and Canada and

DEMKO certified per IEC/EN60950 (pending)

• Designed to meet Class B conducted emissions per

FCC and EN55022 when used with external filter

• All materials meet UL94, V-0 flammability rating

Description

The QME48T40 DC-DC Series of converters provide outstanding thermal performance in high temperature

environments. This performance is accomplished through the use of patented/patent-pending circuits, packaging,

and processing techniques to achieve ultra-high efficiency, excellent thermal management, and a low-body profile.

The low-body profile and the preclusion of heat sinks minimize impedance to system airflow, thus enhancing

cooling for both upstream and downstream devices. The use of 100% automation for assembly, coupled with

advanced electronic circuits and thermal design, results in a product with extremely high reliability.

Operating from a 36-75 V input, the QME48T40 converters provide any standard output voltage from 3.3 V down

to 1.0 V that can be trimmed from –20% to +10% of the nominal output voltage (±10% for output voltages 1.2 V

and 1.0 V), thus providing outstanding design flexibility.

ZD-02057 Rev. 4.1

www.power-one.com

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