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LM5007NSCN/a2avaiHigh Voltage (80V) Step Down Switching Regulator
LM5007MMNS,NSN/a3000avaiHigh Voltage (80V) Step Down Switching Regulator
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LM5007SDNSCN/a12avaiHigh Voltage (80V) Step Down Switching Regulator
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LM5007MMX ,High Voltage (80V) Step Down Switching RegulatorApplicationsn Non-Isolated Buck Regulatorn Secondary High Voltage Post Regulatorn +42V Automotive S ..
LM5007MMX/NOPB ,9-75V Wide Vin, 500mA Constant On-Time Non-Synchronous Buck Regulator 8-VSSOP -40 to 125features1• Integrated 80-V, 0.7-A N-Channel Buck Switchall of the functions needed to implement low ..
LM5007SD ,High Voltage (80V) Step Down Switching RegulatorFeaturesn Integrated 80V, 0.7A N-Channel Buck SwitchThe LM5007 Step Down Switching Regulator
LM5007SD ,High Voltage (80V) Step Down Switching RegulatorBlock Diagram20078301 2LM5007LM5007
LM5007SD/NOPB ,9-75V Wide Vin, 500mA Constant On-Time Non-Synchronous Buck Regulator 8-WSON -40 to 125features• External Shutdown Controlinclude: Thermal Shutdown, V undervoltageCClockout, gate drive u ..
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LP2987AIM-3.8 ,Micropower, 200 mA Ultra Low-Dropout Voltage Regulator with Programmable Power-On Reset DelayFeaturesn Ultra low dropout voltageThe LP2987/8 are fixed-output 200 mA precision LDO volt-age regu ..
LP2987AIM-5.0 ,Micropower, 200 mA Ultra Low-Dropout Voltage Regulator with Programmable Power-On Reset DelayApplicationsError Flag/Reset: The error flag goes low when the outputn Cellular Phonedrops approxim ..
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LP2987AIMM-2.8 ,Micropower, 200 mA Ultra Low-Dropout Voltage Regulator with Programmable Power-On Reset DelayFeaturesn Ultra low dropout voltageThe LP2987/8 are fixed-output 200 mA precision LDO volt-age regu ..


LM5007-LM5007MM-LM5007MMX-LM5007SD
High Voltage (80V) Step Down Switching Regulator
LM5007
High Voltage (80V) Step Down Switching Regulator
General Description

The LM5007 Step Down Switching Regulator featuresallof
the functions neededto implement low cost, efficient, Buck
bias regulators. This high voltage regulator containsan80V,
0.7A N-Channel Buck Switch. The deviceis easyto apply
andis providedinthe MSOP-8 and the thermally enhanced
LLP-8 packages. The regulatoris basedona hysteretic
control scheme usinganon time inversely proportionalto
VIN. This feature allows the operating frequencyto remain
relatively constant with load and input voltage variations. The
hysteretic control requiresno control loop compensation,
while providing very fast load transient response.An intelli-
gent current limitis implementedinthe LM5007 with forced
off time thatis inversely proportionalto VOUT. This current
limiting scheme reduces load current foldback. Additional
protection features include: Thermal Shutdown, Vcc under-
voltage lockout, gate drive undervoltage lockout, and Max
Duty Cycle limiter.
Features
Integrated 80V, 0.7A N-Channel Buck Switch Internal HV Vcc Regulator No Control Loop Compensation Required Ultra-Fast Transient Response On Time Varies Inversely with Line Voltage Operating Frequency Nearly Constant with Varying Line
Voltage Adjustable Output Voltage Highly Efficient Operation Precision Reference Low Bias Current Intelligent Current Limit Protection Thermal Shutdown External Shutdown Control
Typical Applications
Non-Isolated Buck Regulator Secondary High Voltage Post Regulator +42V Automotive Systems
Package
MSOP-8 LLP-8 (4mmx 4mm)
Connection Diagram

8-Lead MSOP, LLP
Ordering Information
Order Number Package Type NSC Package Drawing SuppliedAs
LM5007MM MSOP-8 MUA08A 1000 Unitson Tape and Reel
LM5007MMX MSOP-8 MUA08A 3500 Unitson Tape and Reel
LM5007SD LLP-8 SDC08A 1000 Unitson Tape and Reel
LM5007SDX LLP-8 SDC08A 4500 Unitson Tape and Reel
December 2004
LM5007
High
oltage
(80V)
Step
Down
Switching
Regulator
ic,good price


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