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参数资料
| 型号： | LSN-1/16-W3 |
| 厂商： | CD TECHNOLOGIES INC |
| 元件分类： | 电源模块 |
| 英文描述： | 1-OUTPUT DC-DC REG PWR SUPPLY MODULE |
| 文件页数： | 1/8页 |
| 文件大小： | 504K |
| 代理商： | LSN-1/16-W3 |
PRELIMINARY
Single Output
LSN-16A W3 Models
Features
Non-Isolated, 3-5.5VIN, 0.75-3.3VOUT
16 Amp DC/DC Converters
Figure 1. Simplied Schematic
■
Step-down, wide input buck regulators
for distributed 3-5V power architectures
3V to 5.5V wide-input range
0.75/1/1.2/1.5/1.8/2/2.5/3.3VOUT @16A
Non-isolated, xed-frequency,
synchronous-rectier topology
±1% setpoint accuracy
Efciencies to 95% @ 16 Amps
Noise as low as 30mVp-p
Stable no-load operation
Remote on/off control
Sense pin and output voltage trim
No derating to +65°C with no fan
UL/IEC/EN60950 certication pending
EMC compliant
DATEL, Inc., Manseld, MA 02048 (USA) Tel: (508)339-3000, (800)233-2765 Fax: (508)339-6356 Email: sales@datel.com Internet: www.datel.com
LSN Series W3 are ideal building blocks for emerging, on-board power-distri-
bution schemes in which isolated 3 to 5.5V buses deliver power to any number of
non-isolated, step-down buck regulators. LSN W3 DC/DC's accept 3 to 5.5 Volts and
convert it, with the highest efciency in the smallest space, to a 0.75, 1, 1.2, 1.5, 1.8,
2, 2.5, or 3.3 Volt output fully rated at 16 Amps.
LSN W3's are ideal point-of-use/load power processors. They typically require
no external components. Their surface-mount packages occupy a mere 1.3" x 0.53"
(33.0 x 13.5mm), and are only 0.34 inches (8.6mm) high.
The LSN's best-in-class power density is achieved with a fully synchronous,
xed-frequency, buck topology that also delivers: high efciency (97%, 3.3VOUT, 8A),
low noise (30mVp-p typ.), tight line/load regulation (±0.1%/±0.25% max.), quick step
response (30sec), stable no-load operation, and no output reverse conduction.
The fully functional LSN’s feature output overcurrent detection, continuous short-
circuit protection, over-temperature protection, a remote on/off control pin
(pull low to disable), an output-voltage trim function, and a sense pin. High efciency
enables the LSN W3's to deliver rated output currents of 16 Amps at ambient tem-
peratures to +65°C with natural convection.
If your new system boards call for multiple supply voltages, check out the eco-
nomics of on-board 3-5.5V distributed power. If you don't need to pay for multiple
isolation barriers, DATEL's non-isolated LSN W3 SMT's will save you money.
A SUBSIDIARY OF C&D TECHNOLOGIES
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