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Updated at 01/11/2025 10:30:15(UTC+8)
Certifications
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Description
- The LM5118MH is a wide voltage range Buck-Boost Switching Regulator Controller features all of the functions necessary to implement a high performance, cost efficient Buck-Boost regulator using a minimum of external components. The Buck-Boost topology maintains output voltage regulation when the input voltage is either less than or greater than the output voltage. It operates as a buck regulator while the input voltage is sufficiently greater than the regulated output voltage and gradually transitions to the buck-boost mode as the input voltage approaches the output. This dual mode approach maintains regulation over a wide range of input voltages with optimal conversion efficiency in the buck mode and a glitch-free output during mode transitions. This easy-to-use controller includes drivers for the high side buck MOSFET and the low side boost MOSFET. The regulators control method is based upon current mode control utilizing an emulated current ramp.
- Ultra-wide input voltage range from 3 to 75V
- Emulated peak current mode control
- Smooth transition between step-down and step-up modes
- Switching frequency programmable to 500kHz
- Oscillator synchronization capability
- Internal high voltage bias regulator
- Integrated high-side and low-side gate drivers
- Programmable soft-start time
- Ultralow shutdown current
- Enable input wide bandwidth error amplifier
- 1.5% Feedback reference accuracy
- Current limit, thermal shutdown and an enable input
- Device has limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam during storage or handling to prevent electrostatic damage to the MOS gates.
LM5118MH Specifications
| Attribute | Attribute Value |
|---|---|
| Datasheet | Datasheet |
| 3D Model | 3D Model |
| Mounting Style | Surface Mount |
| Number of Pins | 20 Pin |
| Case/Package | HTSSOP |
| Frequency | 500 kHz |
| Supply Voltage (DC) | 4.75V (min) |
| Number of Outputs | 1 Output |
| Output Voltage | 1.23V ~ 70V |
| Output Current | 2.70 A |
| Number of Channels | 1 Channel |
| Number of Positions | 20 Position |
| Switching Frequency | 575 kHz |
| Duty Cycle | 80 % |
| Input Voltage (Max) | 75 V |
| Input Voltage (Min) | 3 V |
| Operating Temperature (Max) | 125 ℃ |
| Operating Temperature (Min) | -40 ℃ |
| Supply Voltage (Max) | 14 V |
| Supply Voltage (Min) | 4.75 V |
| Input Voltage | 3.75 V |
| Show | |
| Product Lifecycle Status | Active |
| Packaging | Cut Tape (CT) |
| RoHS | Non-Compliant |
| Lead-Free Status | Lead Free |
| REACH SVHC Compliance | No SVHC |
| REACH SVHC Compliance Edition | 2015/06/15 |
Order guide
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- Please confirm with the logistics company in advance for remote areas.
(Additional charges ($35-$50) may apply for delivery in these areas)
- Delivery date: usually 2 to 7 working days.
- A tracking number will be sent after your order ships.
- - Carefully inspected and packed by ManyChip warehouse - Vacuum packaging - Anti-static packaging - Shockproof foam
- The terms here are for reference only, the actual terms are subject to the sales quotation. - Please confirm product specifications when ordering. - MOQ refers to the minimum order quantity required to purchase each part. - If you have special ordering instructions, please indicate them on the ordering page. - Inspection (PSI) will be performed prior to shipment.
- - Income Quality Control (IQC), 1000+ qualified dealers. - Chips are tested by authoritative organizations to ensure the quality, authenticity and safety of your device. - Decapsulation control - X-ray control - XRF inspection - Electrical testing - Surface testing -Digital components warehouse, covering an area of 800 square meters, with constant temperature and humidity
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If you have any problem,please email to sales@manychip.com, we will response as soon as possisble.
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