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QCH28512TE PDF预览

QCH28512TE

更新时间： 2024-01-14 19:46:09
品牌 Logo 应用领域
MSK 输出元件
页数 文件大小 规格书
7页 208K
描述
DC-DC Regulated Power Supply Module, 3 Output, 30W, DIP-10

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QCH28512TE 技术参数

是否无铅： 含铅是否Rohs认证： 不符合
生命周期：Obsolete零件包装代码：DFM
包装说明：DIP-10针数：10
Reach Compliance Code：unknownECCN代码：EAR99
风险等级：5.92其他特性：ADDITIONAL OUTPUTS OF +/-12V AVAILABLE
模拟集成电路 - 其他类型：DC-DC REGULATED POWER SUPPLY MODULE最大输入电压：40 V
最小输入电压：16 VJESD-30 代码：R-XDIP-P10
长度：49.276 mm功能数量：1
输出次数：3端子数量：10
最高工作温度：125 °C最低工作温度：-55 °C
最大输出电压：5.05 V最小输出电压：4.95 V
标称输出电压：5 V封装主体材料：UNSPECIFIED
封装代码：DIP封装形状：RECTANGULAR
封装形式：IN-LINE峰值回流温度（摄氏度）：NOT SPECIFIED
认证状态：Not Qualified座面最大高度：13.208 mm
表面贴装：NO温度等级：MILITARY
端子形式：PIN/PEG端子节距：10.16 mm
端子位置：DUAL处于峰值回流温度下的最长时间：NOT SPECIFIED
最大总功率输出：30 W微调/可调输出：NO
宽度：25.4 mmBase Number Matches：1

QCH28512TE 数据手册

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ISO-9001 CERTIFIED BY DSCC  
30W TRIPLE  
DC-DC  
QCH28512T/  
RCH28512T  
(315) 701-6751  
CONVERTERS  
M.S.KENNEDY CORP.  
4707 Dey Road Liverpool, N.Y. 13088  
HI-REL DESIGN  
•REPLACES APEX DT28512T/F  
•WAVE SOLDERABLE PACKAGE  
•ALL CERAMIC CAPACITORS  
•NO OPTOCOUPLERS  
•SURFACE MOUNT MAGNETICS  
•WITHSTANDS 3000 G Y1 AXIS  
•OVER-VOLTAGE PROTECTION (OVP) OPTION  
OTHER FEATURES – TRIPLE OUTPUT  
•NO DERATING — –55°C TO +125°C  
•WIDE SUPPLY RANGE — 16 TO 40 VOLTS  
•HIGH ISOLATION — 500V  
RCH28512T  
QCH28512T  
3
•HIGH POWER DENSITY — 23 W/in  
•REMOTE SHUTDOWN  
•EXTERNAL SYNCH INPUT (FULLY TTL COMPAT-  
IBLEOPTION)  
BLOCK DIAGRAM  
DESCRIPTION  
The QCH28512T/RCH28512T series of DC-DC convert-  
ers provides the ruggedness, reliability and features re-  
quired to meet the advanced challenges of today's hi-rel  
market. This family of converters uses all surface-mounted  
hybrid components including magnetics, all ceramic capaci-  
tors and ultrasonic wirebonds to give long life in full tempera-  
ture range and high acceleration environments. There is no  
power derating anywhere in the –55°C to 125°C operating  
range.  
This product family is tolerant of many types of faults  
including load short, load overload, loss of voltage feedback,  
largeforwardandreversevoltagesappliedtothesynchroniza-  
tion pin and input overvoltage. This converter family will  
operateduringinputtransients to80volts.Theoutputvoltages  
have little overshoot during the input voltage transient such  
that typical logic and linear parts on the outputs will stay well  
within data sheet absolute maximums.  
Other operational features include low duty factor current  
limit and dynamic current limit threshold. The current limit  
operates in a cyclic on-off mode with an on time of about 2  
milliseconds and an off time of 20 milliseconds for a duty factor  
of about 10 percent. This limits the converter dissipation to  
about 1 watt, so there is no danger of overheating during an  
output fault at 125° C. The dynamic current limit threshold  
allows over 50 percent more current to flow for a short time  
after power application, release from shutdown or recovery  
from previous current limit allowing large load capacitances to  
be charged during turn-on.  
EXTERNAL CONNECTIONS  
1
2
3
4
5
10  
9
8
7
6
POSITIVE INPUT  
+5 OUT  
OUTCOMMON  
-12OUT  
INPUTCOMMON  
SYNCH  
INHIBIT  
CASEGND  
CASEGND  
+12 OUT  
This converter family is a push-pull 400 kHz forward con-  
verterwithfullisolationbetweentheinputside, outputsideand  
case. This isolation is achieved without optocouplers for an  
even greater margin of reliability. The converter is housed in  
a power DIP package and is hermetically sealed. The  
RCH28512T has tabs for bolting the device down.  
PRELIMINARY Rev. - 6/01  
1
1234567

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