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MSK5045-2.5EG PDF预览

MSK5045-2.5EG

更新时间: 2024-11-21 10:45:51
品牌 Logo 应用领域
MSK 稳压器开关光电二极管高压功效
页数 文件大小 规格书
9页 798K
描述
HIGH EFFICIENCY, HIGH VOLTAGE 4 AMP SURFACE MOUNT SWITCHING REGULATORS

MSK5045-2.5EG 数据手册

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MIL-PRF-38534 CERTIFIED  
HIGH EFFICIENCY, HIGH VOLTAGE 5045  
4 AMP SURFACE MOUNT  
SWITCHING REGULATORS  
SERIES  
M.S.KENNEDY CORP.  
4707 Dey Road Liverpool, N.Y. 13088  
(315) 701-6751  
FEATURES:  
Up To 88% Efficiency For 5V Version  
4 Amp Output Current  
1.2 x VOUT to 80V Input Range with Separate Bias  
12V to 80V Input Range with UVLO (VBias=VIN)  
Preset 2.5V, 3.3V or 5.0V Output Versions  
300KHz Switching Frequency @ 1 Amp  
User Programmable Soft-Start  
User Programmable Current Limit  
Hermetic Package  
-55°C to +125°C Operating Temperature Range  
Available with Gull Wing Leads  
Contact MSK for MIL-PRF-38534 Qualification Status  
DESCRIPTION:  
The MSK 5045 series are high efficiency, 4 amp, surface mount switching regulators. The output voltage is config-  
ured for 2.5V, 3.3V or 5.0V internally with a tolerance of 1% at 1.5 amps. The operating frequency of the MSK 5045  
is 300KHz. An external "soft start" capacitor allows the user to control how quickly the output comes up to regulation  
voltage after the application of an input. A low quiescent current and greater than 85% operating efficiency keep the  
total internal power dissipation of the MSK 5045 down to an absolute minimum. The input circuitry has been designed  
to withstand a very wide range of voltages from less than 12V to as high as 80V. The device is packaged in a hermetic  
kovar flatpack for high reliability applications, and is available screened to MIL-PRF-38534 Class H.  
EQUIVALENT SCHEMATIC  
TYPICAL APPLICATIONS  
PIN-OUT INFORMATION  
Case  
VOUT  
Ground  
VIN  
VBias  
Enable  
NC  
1
2
3
4
5
6
7
34-44  
23-33  
12-22  
11  
Step-down Switching Regulator  
Microprocessor Power Source  
High Efficiency Low Voltage  
Subsystem Power Supply  
Sense High  
Sense Low  
NC  
RFB  
NC  
10  
9
8
PWR SAVE  
CTON  
Rev. G 2/06  
1

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