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Switching Regulator MSK 5030-2.5 - M.S. Kennedy Corporation
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Switching Regulator MSK 5030-2.5 - M.S. Kennedy Corporation


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Text version of the page
MIL-PRF-38534 CERTIFIED
5030
SERIES
HIGH EFFICIENCY, 4 AMP STEP-DOWN SWITCHING REGULATORS
M.S.KENNEDY CORP.
4707 Dey Road Liverpool, N.Y. 13088 FEATURES:
• Up To 95S Efficiency For 5V Version
(315) 701-6751
• 
4 Amp Output Current 4.5V to 30V Input Range Preset 2.5V, 3.3V or 5.0V Output Versions
Amp
• User Programmable Soft-Start
• Quiescent Current < 0.5mA
• User Programmable Current Limit
• Contact MSK for MIL-PRF-38534 Qualification Status
DESCRIPTION:
The MSK 5030 series are high efficiency, 4 amp, step-down switching regulators. The output voltage is configured for 2.5V, 3.3V or 5.0V internally and the input range is 4.5V to 30V. The operating frequency of the MSK 5030 is 300KHz and is internally set. 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. An extremely low quiescent current of typica
ally l< n to
ss
than 0.5mA and 95% operating efficiency keeps the total internal power dissipation of the MSK 5030 dow absolute minimum. A surface mount version, MSK 5040, is also available if desired.
an
EQUIVALENT SCHEMATIC
H
+5V LINEAR REGULATOR "SHDN
Î
©
+ 2.505V REF
PWM LOGIC
JTTTTL
© ©
0
o
SOFT START
PIN-OUT INFORMATION
TYPICAL APPLICATIONS
Step-down Switching Regulator Microprocessor Power Source High Efficiency Low Voltage Subsystem Power Supply
1
2
3
4
5
Cton Enable Sense High Sense Low Ground
8 Output 7 Input 6 PGround
1
Rev. F 4/07

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