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MTO2815TF PDF预览

MTO2815TF

更新时间: 2024-02-20 08:15:51
品牌 Logo 应用领域
CRANE 输出元件
页数 文件大小 规格书
6页 521K
描述
Analog Circuit, Hybrid, MDIP10,

MTO2815TF 技术参数

生命周期:Transferred包装说明:,
Reach Compliance Code:unknown风险等级:5.59
Base Number Matches:1

MTO2815TF 数据手册

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ꢀTO ꢃꢁRIꢁꢃ  
15 WATT  
DC/DC Converters  
28 volt Input  
not reCoMMenDeD For neW DesIGns  
Features  
–55°C to +85° C operation  
ꢀODꢁꢂꢃ  
VDC Output  
16 to 36 VDC input  
50 V for 50 ms transient protection  
Fully isolated  
triple  
+5 & ±12  
+5 & ±15  
Fixed frequency switching  
Inhibit function  
Indefinite short circuit protection  
Up to 79% efficiency  
ꢃize (max.): Non-flanged, case F4, 1.950 x 1.350 x 0.505 inches (49.53 x 34.29 x 12.83 mm)  
Flanged, case J5, 2.720 x 1.350 x 0.505 inches (69.09 x 34.29 x 12.83 mm)  
ꢃee cases F4 and J5 for dimensions.  
Weight:  
53 grams typical  
ꢃcreening: ꢃtandard or ꢁꢃ. ꢃee screening table for more information.  
Description  
Interpoint’s ꢀTO ꢃeries™ of DC/DC converters delivers 15 watts of output  
power with three output voltages and a choice of two input voltage ranges.  
The ꢀTO ꢃeries converters are packaged in hermetically sealed metal  
cases and operate at full load over a case temperature range of -55°C to  
+85°C (measured at the base plate of the converter).  
Features  
An inhibit terminal, pin 8, provides shut-down and start-up control. Applying  
a logic low (<0.8 V) will disable the output of the converter reducing input  
current to 8 mA, typical. ꢂeaving the terminal unconnected or connecting it  
to Vin will enable the converter. The inhibit pin has an open circuit voltage  
of approximately 10 volts.  
COnVerter Design  
ꢃoft-start provides a controlled 20 milliseconds turn-on to minimize inrush  
current and reduce overshoot at initial start-up or when inhibit is released.  
The push-pull forward topology coupled with pulse-width modulation  
minimizes output noise and maintains good regulation. Nominal switching  
frequency is 250 kHz. Although an internal input filter reduces input ripple  
current, for applications requiring conformance to ꢀIꢂ-ꢃTD-461C, Cꢁ03,  
use the ꢀTO in conjunction with Interpoint’s Fꢀ-461 ꢁꢀI filter.  
Internal current limiting circuitry protects all three outputs against short  
circuits. When output power exceeds approximately 125% of maximum  
output power, the output currents are limited. In addition, separate current  
limiting circuitry protects each output individually.  
Operating at maximum ratings may require removing self-generated heat.  
To increase heat dissipation, heat conducting material can be used in  
contact with the converter’s base plate. Interpoint’s Thermal ꢀounting Pad  
(TꢀP), model TꢀP-002, is designed for use with the ꢀTO converter.  
paCkaging  
ꢀTOconvertersarepackagedinhermeticallysealedmetalcases.Thecases  
are constructed of cold-  
Positive  
Input  
1
rolled steel with a fused tin  
2
finish. ꢀTO converters can  
be purchased in a flanged  
or non-flanged case. The  
flanged option provides  
increased heat dissipation  
and also provides greater  
stability when mechanically  
secured.  
+5 Vout  
Pre-  
Regulator  
Error  
Amp  
Pulse  
3
5
Output  
Common  
Width  
Modulator  
Short Circuit Amp  
Pass Transistor  
Positive  
Auxiliary  
Output  
Input 10  
Common  
Linear  
Regulator  
8
Inhibit  
7
Case Ground  
Linear  
Regulator  
4
Negative  
Auxiliary  
Output  
Pass Transistor  
Figure 1: simpliFieD sChematiC  
Crane Aerospace & Electronics  
Electronics Group (Interpoint Brand)  
PO Box 97005 • Redmond WA 98073-9705  
Page 1 of 6  
MTO Rev C 20100212  
425.882.3100  
• power@crane-eg.com  
www.interpoint.com  

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