參數(shù)資料
型號(hào)： YM12S05
廠商： POWER-ONE INC
元件分類(lèi)： 電源模塊
英文描述： 1-OUTPUT 28 W DC-DC REG PWR SUPPLY MODULE
封裝： MODULE-5
文件頁(yè)數(shù)： 1/24頁(yè)
文件大?。?/td> 318K
代理商： YM12S05
MCD10132 Rev. 1.1, 21-Jun-10
Page 1 of 24
www.power-one.com
YM12S05 DC-DC Converter Data Sheet
9.6-14 VDC Input; 0.7525-5.5 VDC Programmable @ 5A
Applications
Intermediate Bus Architectures
Distributed Power Architectures
Data communications
Telecommunications
Servers, workstations
Benefits
High efficiency – no heat sink required
Reduces total solution board area
Tape and reel packing
Compatible with pick &place equipment
Minimizes part numbers in inventory
Low cost
Member of the
Family
Features
RoHS lead free and lead-solder-exempted products
are available
Delivers up to 5 A (28 W)
Extended input range 9.6 V – 14 V
No derating up to 85 C (70 °C for 5V and 3.3V)
Surface-mount package
Industry-standard footprint and pinout
Small size and low profile: 0.80” x 0.45” x 0.247”
(20.32 x 11.43 x 6.27mm)
Weight: 0.079 oz [2.26 g]
Co-planarity < 0.003"
Synchronous Buck Converter topology
Start-up into pre-biased output
No minimum load required
Programmable output voltage via external resistor
Operating ambient temperature: -40 °C to 85 °C
Remote ON/OFF
Fixed frequency operation
Auto-reset output overcurrent protection
Auto-reset overtemperature protection
High reliability, MTBF approx. 71.8 Million Hours
calculated per Telcordia TR-332, Method I Case 1
All materials meet UL94, V-0 flammability rating
UL 60950 recognition in U.S. & Canada, and
DEMKO certification per IEC/EN 60950
Description
Power-One’s point-of-load converters are recommended for use with regulated bus converters in an Intermediate
Bus Architecture (IBA). The YM12S05 non-isolated DC-DC converters deliver up to 5A of output current in an
industry-standard surface-mount package. Operating from a 9.6-14 VDC input, the YM12S05 converters are ideal
choices for Intermediate Bus Architectures where Point-of-Load power (POL) delivery is generally a requirement.
They provide an extremely tight regulated programmable output voltage of 0.7525 V to 5.5 V.
The Y-Series converters provide exceptional thermal performance, even in high temperature environments with
minimal airflow. No derating is required up to 85
C (up to 70 C for 5 V and 3.3 V outputs), even without airflow at
natural convection. This is accomplished through the use of advanced circuitry, packaging and processing
techniques to achieve a design possessing ultra-high efficiency, excellent thermal management and a very 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 power electronics and thermal design, results in a product with extremely high reliability.
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