Q24S30033-NS00【PDF 1/14 页】DC/DC QTR BRICK 100W 3.3V SMD

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Q24S30033 DC-DC Converter Data Sheet

18-36 VDC Input, 3.3 VDC @ 30 A Output

The Q24S30033 surface 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 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 advanced electric and thermal cir-

cuitry and packaging, results in a product with extremely

high quality and reliability.

Features

15 500 LFM (2.5 m/s)

400 LFM (2.0 m/s)

300 LFM (1.5 m/s)

10 200 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 Q24S30033 converter mounted vertically with air flow-

ing from pin 3 to pin 1, MOSFET temperature ≤ 120 ° C, Vin = 27 V.

Applications

? Telecommunications

? Data Communications

? Wireless

? Servers

RoHS lead free and lead-solder-exempt products are

available

Delivers up to 30 A

Higher current capability at 70 oC than existing quarter

brick and 30 A half-brick converters

High efficiency: 88% @ 30 A, 89% @ 15 A

Starts-up into pre-biased output

No minimum load required

No heatsink required

Low profile: 0.26” [6.6 mm]

Light weight: 1 oz [28 g] typical

Industry-standard footprint: 1.45” x 2.30”

Meets Basic Insulation Requirements of EN60950

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

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

MAY 01, 2003 revised to JUN 30, 2006

Page 1 of 14

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