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LM5117PMH
SWITCHING CONTROLLER, 530kHz SWITCHING FREQ-MAX, PDSO20, TSSOP-20
LM5117PMH
SWITCHING CONTROLLER, 530kHz SWITCHING FREQ-MAX, PDSO20, TSSOP-20
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Manufacturer Part # : LM5117PMH
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Package/Case: TSSOP-20
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Brand: Texas Instruments
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Product Categories : DC DC Switching Controllers
Quality Assurance
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Certification
We have successfully obtained various certification standards and have established our own professional testing laboratory. This ensures that every product we supply to our customers meets the highest quality standards. We adhere to strict testing protocols to maintain the consistency and accuracy of our products. To ensure that our products are original and genuine, we also collaborate with reputable third-party testing facilities to conduct rigorous quality testing. Our commitment to quality extends to meeting industry, legal, regulatory, and ISO 9001:2015 requirements.
Shipping & Payment
Shipping & Payment
About Shipping
We generally ship orders within a few business days through reliable shipping carriers such as FedEx, SF, UPS, or DHL. We also have support for other shipping methods. If you would like to inquire about specific shipping details or costs, please don't hesitate to reach out to us.
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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.
Confirm the return or exchange with our staff.
Maintain the goods in their original condition as received.
Lastly, please note that the eligibility for return or exchange of goods is subject to an assessment of the actual condition of the returned items. We will evaluate the received goods before finalizing the return or exchange process. If you have any inquiries or require further assistance regarding returns or exchanges, please don't hesitate to contact us at [email protected]
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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LM5117PMH DataSheet
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 LM5117The LM5117 is a synchronous buck controller intended for step-down regulator applications from a high voltage or widely varying input supply. The control method is based upon current mode control utilizing an emulated current ramp. Current mode control provides inherent line feed-forward, cycle-by-cycle current limiting and ease of loop compensation. The use of an emulated control ramp reduces noise sensitivity of the pulse-width modulation circuit, allowing reliable control of very small duty cycles necessary in high input voltage applications.The operating frequency is programmable from 50 kHz to 750 kHz. The LM5117 drives external high-side and low-side NMOS power switches with adaptive dead-time control. A user-selectable diode emulation mode enables discontinuous mode operation for improved efficiency at light load conditions. A high voltage bias regulator that allows external bias supply further improves efficiency. The LM5117’s unique analog telemetry feature provides average output current information. Additional features include thermal shutdown, frequency synchronization, hiccup mode current limit, and adjustable line undervoltage lockout.
Key Features
- LM5117-Q1 is Qualified for Automotive Applications
- AEC-Q100 Qualified With the Following Results:
- Device Temperature Grade 1: -40°C to 125°C Ambient Operating Temperature Range
- Emulated Peak Current Mode Control
- Wide Operating Range from 5.5 V to 65 V
- Robust 3.3-A Peak Gate Drives
- Adaptive Dead-Time Output Driver Control
- Free-Run or Synchronizable Clock up to 750 kHz
- Optional Diode Emulation Mode
- Programmable Output from 0.8 V
- Precision 1.5% Voltage Reference
- Analog Current Monitor
- Programmable Current Limit
- Hiccup Mode Overcurrent Protection
- Programmable Soft-Start and Tracking
- Programmable Line Undervoltage Lockout
- Programmable Switchover to External Bias Supply
- Thermal Shutdown
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
| Part Life Cycle Code | Obsolete | Part Package Code | TSSOP |
| Pin Count ! | 20 | Reach Compliance Code | |
| ECCN Code | EAR99 | HTS Code ! | 8542.39.00.01 |
| Additional Feature ! | ALSO HAS OUTPUT VOLTAGE UP TO 0.8V | Analog IC - Other Type | SWITCHING CONTROLLER |
| Control Mode | CURRENT-MODE | Control Technique | PULSE WIDTH MODULATION |
| Input Voltage-Max | 65 V | Input Voltage-Min | 5.5 V |
| Input Voltage-Nom | 48 V | JESD-30 Code | R-PDSO-G20 |
| Length | 6.5 mm | Number of Functions | 1 |
| Number of Terminals | 20 | Operating Temperature-Max | 125 °C |
| Operating Temperature-Min | -40 °C | Output Voltage-Nom | 7.6 V |
| Package Body Material | PLASTIC/EPOXY | Package Code | HSSOP |
| Package Shape | RECTANGULAR | Package Style | SMALL OUTLINE, HEAT SINK/SLUG, SHRINK PITCH |
| Qualification Status ! | Not Qualified | Surface Mount ! | YES |
| Switcher Configuration | PUSH-PULL | Switching Frequency-Max | 530 kHz |
| Temperature Grade ! | AUTOMOTIVE | Terminal Form ! | GULL WING |
| Terminal Pitch ! | 0.65 mm | Terminal Position | DUAL |
| Width | 4.4 mm |
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.
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