LM5008AMM
Switching regulator in plastic MSOP-8 packageLM5008AMM
Switching regulator in plastic MSOP-8 package
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Manufacturer Part # : LM5008AMM
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Package/Case: MUA08A
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Brand: Texas Instruments
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Product Categories : AC DC Converters, Offline Switches
Quality Assurance
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Shipping & Payment
Shipping & Payment
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Service & Packaging
Service & Packaging
About After Sales Service
All Parts Extended Quality Guarantee
Initiate the application within 90 days from the shipment date.
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About packaging
Regarding packaging, our products are carefully packed in anti-static bags to provide ESD anti-static protection. The outer packaging is durable with secure closure. We support various packaging methods such as Tape and Reel, Cut Tape, Tube, or Tray.
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LM5008AMM DataSheet
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Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!
Details
for the LM5008AThe LM5008A DC/DC converter is a functional variant of the LM5008 COT Buck SwitchingRegulator. The functional differences of the LM5008A are: the minimum input operating voltage is 6V, the on-time equation is slightly different, and the requirement for a minimum load current isremoved.The LM5008A 350-mA step-down switching regulator features all of the functions requiredto implement a low-cost and efficient buck regulator. This high-voltage converter has an integrated100-V N-channel buck switch and operates over an input voltage range of 6 V to 95 V. The device iseasy to implement and is provided in 8-pin VSSOP and the thermally enhanced 8-pin WSON packages.The converter uses PWM control scheme with an on-time inversely proportional toVIN. This feature allows the operating frequency to remain relativelyconstant. The control scheme requires no loop compensation. An intelligent current limit isimplemented with forced off-time, which is inversely proportional to VOUT.This scheme ensures short-circuit control while providing minimum foldback. Other features include:thermal shutdown, VCC undervoltage lockout, gate drive undervoltage lockout,maximum duty cycle limiter, and a pre-charge switch.
Key Features
- Operating Input Voltage Range: 6 V to95 V
- Integrated 100-V N-Channel Buck Switch
- InternalStart-Up Regulator
- No Loop Compensation Required
- Ultra-FastTransient Response
- On-Time Varies Inversely With InputVoltage
- Operating Frequency Remains Constant With Varying Line Voltage and LoadCurrent
- Adjustable Output Voltage From 2.5 V
- HighlyEfficient Operation
- Precision Internal Reference
- Low BiasCurrent
- Intelligent Current Limit
- ThermalShutdown
- 8-Pin VSSOP and 8-Pin WSON Packages
- Create aCustom Design Using the LM5008A With theWEBENCH® Power Designer
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
Rohs Code | No | Part Life Cycle Code | Transferred |
Reach Compliance Code | not_compliant | ECCN Code | EAR99 |
HTS Code ! | 8542.39.00.01 | Analog IC - Other Type | SWITCHING REGULATOR |
Control Mode | VOLTAGE-MODE | JESD-30 Code | S-PDSO-G8 |
JESD-609 Code | e0 | Moisture Sensitivity Level | 1 |
Number of Terminals | 8 | Package Body Material | PLASTIC/EPOXY |
Package Code | TSSOP | Package Equivalence Code | TSSOP8,.19 |
Package Shape | SQUARE | Package Style | SMALL OUTLINE |
Peak Reflow Temperature (Cel) | 260 | Qualification Status ! | Not Qualified |
Surface Mount ! | YES | Terminal Finish | TIN LEAD |
Terminal Form ! | GULL WING | Terminal Pitch ! | 0.635 mm |
Terminal Position | DUAL | Time@Peak Reflow Temperature-Max (s) | 40 |
Specification Comparison
Datasheet PDF
Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.
FAQs
What is LM5008AMM?
The LM5008AMM is a high-voltage step-down DC-DC controller designed by Texas Instruments. It is specifically designed to drive large LED arrays with high efficiency and precision regulation. The controller is ideal for various lighting applications, including automotive, industrial, and architectural lighting.
How Does LM5008AMM Work?
The LM5008AMM operates as a step-down DC-DC controller that regulates the output voltage to drive LED arrays efficiently. It utilizes a current-mode control architecture to adjust the output voltage in response to load variations, ensuring stable LED performance. The controller features a wide input voltage range and adjustable switching frequency for application flexibility.
How Many Pins does LM5008AMM have and What are the Functions of the Pinout Configuration?
The LM5008AMM is housed in a 16-pin TSSOP (Thin Shrink Small Outline Package) package. The pinout configuration includes:
- VIN: Input voltage pin.
- COMP, FB: Compensation and feedback pins for control loop stability.
- RT/CLK, SS/TR, CSGND: Pins for setting switching frequency, soft-start, and current sense ground.
- ILIM, OCSET, OVPSET: Pins for setting current limit, overcurrent protection, and overvoltage protection.
- PGND, BOOST, VCC: Power ground, boost switch, and controller supply pins.
- OUT: Output voltage pin.
What are the Pros and Cons of LM5008AMM?
Pros:
- High Voltage Capability: Designed for driving large LED arrays with high-voltage requirements.
- Efficiency: Provides efficient power conversion for LED lighting applications.
- Precision Regulation: Ensures stable LED performance through precise voltage control.
- Wide Input Voltage Range: Suitable for diverse input voltage conditions.
- Adjustable Features: Allows customization of switching frequency and protection thresholds.
Cons:
- Complexity: May require careful design considerations for optimal performance.
- External Components: Additional external components may be needed for specific system requirements.
- Thermal Management: High-current applications may require attention to thermal management.
Are There Any Equivalents/Alternatives to LM5008AMM for Recommendation?
- The LM5007 from Texas Instruments is a similar high-voltage LED driver with slightly different features.
- Alternatives to the LM5008AMM include the LT3757 and LT3756 from Analog Devices.
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