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DB2812S/F

更新时间： 2024-02-03 12:53:11
品牌 Logo 应用领域
MSK 局域网
页数 文件大小 规格书
5页 121K
描述
DC-DC Regulated Power Supply Module, 1 Output, 23W, Hybrid, POWER, HIGH PROFILE, DIP-12

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DB2812S/F 技术参数

生命周期：Obsolete零件包装代码：DFM
包装说明：,针数：12
Reach Compliance Code：unknownECCN代码：EAR99
风险等级：5.57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 V
标称输入电压：28 VJESD-30 代码：R-MDFM-P12
最大负载调整率：0.415%功能数量：1
输出次数：1端子数量：12
最高工作温度：125 °C最低工作温度：-55 °C
最大输出电压：12.1 V最小输出电压：12 V
标称输出电压：12.05 V封装主体材料：METAL
封装形状：RECTANGULAR封装形式：FLANGE MOUNT
认证状态：Not Qualified表面贴装：NO
技术：HYBRID温度等级：MILITARY
端子形式：PIN/PEG端子位置：DUAL
最大总功率输出：23 W微调/可调输出：NO
Base Number Matches：1

DB2812S/F 数据手册

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DB2800S 20W SERIES DC-DC CONVERTERS  
DB2803S•DB2805S•DB2812S•DB2815S  
M
I
C
R
O
T
E
C
H
N
O
L
O
G
Y
HTTP://WWW.APEXMICROTECH.COM (800) 546-APEX (800) 546-2739  
HI-REL DESIGN  
DB2805S  
• SURFACE MOUNT MAGNETICS  
• WELDED HERMETIC PACKAGE  
• LOW INTERNAL TEMPERATURE GRADIENTS  
• ALL CERAMIC CAPACITORS  
∆
USA  
TE949311  
BeO  
• WITHSTANDS 5000G  
B
OTHER FEATURES—SINGLE OUTPUT  
•
NO DERATING — –55° C to +125° C  
• OUTPUT VOLTAGE ADJUSTMENT STANDARD  
• REMOTE SHUTDOWN  
DESCRIPTION  
EXTERNAL CONNECTIONS  
The DB2800S series of DC-DC converters provides the  
ruggedness, reliability and features required to meet the  
advanced design challenges of today’s hi-rel market. This has  
been accomplished using a new package pioneered by Apex  
having very low thermal gradients, excellent hermeticity and  
high voltage isolation. The use of advanced substrate and  
reflow soldering techniques during construction results in a  
rugged, cost-effective pin solderable package.  
The DB2800S hybrid converter series utilizes all ceramic  
capacitors and surface mount magnetics to provide reliable  
operation at all operating temperatures while surviving very  
high G forces.  
– INPUT  
+ INPUT  
1
12  
11  
10  
9
SHUTDOWN +  
TIMING 2  
TIMING 1  
2
3
CLOCK  
TOP  
VIEW  
4
ADJUST/COMP*  
CASE  
5
8
– OUTPUT  
– SENSE  
+ SENSE  
6
7
DB2800S series standard features include kelvin sense,  
indefinite short circuit protection, remote shutdown, output  
fault monitoring, turn on voltage point adjustment, switching  
frequency synchronization of up to 3 units using no external  
components and pi-network input filtering. An output voltage  
adjustment/load compensation pin is also standard, however  
a DB2800S series converter may be ordered without this  
feature (/F option)  
+ OUTPUT  
* Optional N/C on DB2800S /F  
BLOCK DIAGRAM  
Fault tolerant design protects these converters from most  
external circuit faults. The output and output adjust pins will  
withstand +35V while the shutdown and all synchronization  
pins will withstand +50V protecting the converters from a  
variety of system or board faults, i.e. solder bridges, etc.  
Unique load fault protection circuitry allows this converter to  
pull up loads having difficult static load line characteristics and  
allows short term load excursions significantly beyond ratings  
in most applications.  
1
6
5
12  
The DB2800 series is a current mode push-pull topology  
converter which operates at a switching frequency of 500kHZ.  
Internalfilteringofbothinputandoutputeliminatestheneedfor  
external capacitors in many applications.  
The 12-pin MO-127 High Profile Power Dip™ package (see  
Package Outlines) allows connection to a heatsink and is  
hermetically sealed and isolated from the internal circuits.  
Please see the package outlines dimension section for dimen-  
sions and recommended mounting torque. The use of com-  
pressible isolation washers may void the warranty.  
7
4
8
P W M  
CURRENT MODE  
CONTROLLER  
ERROR AMPLIFIER  
REFERENCE AND  
ISOLATION  
2
3
10  
11  
APEX MICROTECHNOLOGY CORPORATION • TELEPHONE (520) 690-8600 • FAX (520) 888-3329 • ORDERS (520) 690-8601 • EMAIL prodlit@apexmicrotech.com  
33  
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