参数资料
| 型号： | SSQL48T20033-NDABG |
| 厂商： | Power-One |
| 文件页数： | 1/14页 |
| 文件大小： | 0K |
| 描述： | CONV DC-DC 3.3V 20A 1/16 BRICK |
| 标准包装： | 98 |
| 系列： | SSQL48T20033 |
| 类型： | 隔离 |
| 输出数： | 1 |
| 电压 - 输入（最小）： | 36V |
| 电压 - 输入（最大）： | 75V |
| Voltage - Output 1： | 3.3V |
| 电流 - 输出（最大）： | 20A |
| 电源（瓦） - 制造商系列： | 66W |
| 电压 - 隔离： | 2.25kV（2250V） |
| 特点： | 具有远程开/关功能和 UVLO |
| 安装类型： | 通孔 |
| 封装/外壳： | 8-DIP 模块，1/16 砖 |
| 尺寸/尺寸： | 1.30" L x 0.90" W x 0.50" H（33.0mm x 22.9mm x 12.7mm） |
| 包装： | 散装 |
| 工作温度： | -40°C ~ 85°C |
| 效率： | 90.5% |
| 电源（瓦特）- 最大： | 66W |
| 其它名称： | 179-2429 |
SSQL48T20033 DC-DC Converter Data Sheet
36-75 VDC Input; 3.3 VDC @ 20A Output
Features
? RoHS lead-free solder and lead-solder-exempted
products are available
? Industry-standard eighth-brick pin-out
? Output: 3.3V at 20A
? Withstands 100V input transient for 100ms
? Fixed-frequency operation
? On-board input differential LC-filter
? Start-up into pre-biased load
? No minimum load required
? Meets Basic Insulation requirements of EN60950-1
? Fully protected (OTP, OCP, OVP, UVLO)
? Remote output sense
Applications
? Positive or negative logic ON/OFF option
?
?
?
?
Telecommunications
Data communications/processing
LAN/WAN
Servers, Workstations
? Output voltage trim range: +10%/ ?2 0% with
Industry Standard trim equations
? Low height of 0.375” (9.5mm)
Weight: 14.1g, 23 ± 1g with baseplate
? High reliability: MTBF 23 million hours, calculated
per Telcordia SR-332, Method I Case 1
? High efficiency – no heat sink required
? Industry-standard 1/16 brick footprint: 0.9” x 1.30”
(1.17 in ) - 44% smaller than conventional
Benefits
2
eighth-brick
th
1
? Approved to the following Safety Standards:
UL/CSA60950-1, EN60950-1, and IEC60950-1
? Designed to meet Class B conducted emissions per
FCC and EN55022 when used with external filter
? All materials meet UL94, V-0 flammability rating
brick package that is only 56% the size of the industry-standard eighth-brick. Specifically
output, in a 1/16
Description
The new iPWER? high performance 20A SSQL48T20033 DC-DC converter provides a high efficiency single
th
designed for operation in systems that have limited airflow and increased ambient temperatures, the
SSQL48T20033 converter utilizes the same pin-out and Input/Output functionality of the industry-standard
sixteenth-bricks. In addition, a heat spreader feature is available (-xxxBx suffix) that provides an effective thermal
interface for coldplate and heat sinking options.
The SSQL48T20033 converter thermal performance is accomplished through the use of patent-pending circuits,
packaging, and processing techniques to achieve ultra-high efficiency, excellent thermal management, and a low-
body profile.
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 wide-range 36-75V input, the SSQL48T20033 converter provides a fully regulated 3.3V output
voltage. The outputs can be trimmed from –20% to +10% of the nominal output voltage, thus providing outstanding
design flexibility. Employing a standard power pin-out, the SSQL48T20033 converter is an ideal drop-in
replacement for existing high current eighth-brick designs. Inclusion of this converter in a new design can result in
significant board space and cost savings. The designer can expect reliability improvement over other available
converters because of the SSQL48T20033’s optimized thermal efficiency.
1
Baseplate/heat spreader option (suffix ‘-xxxBx’) facilitates heatsink mounting to further enhance the unit’s thermal capability.
Rev 0.2, 03-Mar-11
www.power-one.com
Page 1 of 14
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