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ADI LTC7149EUFD#PBF
Buck Switching Regulator IC Negative Adjustable 0V 1 Output 4A 28-WFQFN Exposed Pad
Brands: Analog Devices, Inc
Mfr.Part #: LTC7149EUFD#PBF
Datasheet: LTC7149EUFD#PBF Datasheet (PDF)
Package/Case: QFN-28
Product Type: Power Management ICs
RoHS Status:
Stock Condition: 2607 pcs, New Original
Warranty: 1 Year Ovaga Warranty - Find Out More
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Add To BomLTC7149EUFD#PBF General Description
The LTC7149 is a high efficiency 60V, 4A synchronous monolithic step-down regulator for inverting output applications. The regulator features a single resistor programmable output voltage and high efficiency over a wide VOUT range.
Features
- Wide VIN Range: 3.4V to 60V
- Wide VOUT Range: 0V to –28V
- Single Resistor VOUT Programming
- Integrated 110mΩ Top N-Channel/50mΩ Bottom N-Channel MOSFETs
- Regulated IQ: 440μA, Shutdown IQ: 15μA
- Board GND Referenced I/O Pins (RUN, PGOOD, MODE/SYNC)
- Accurate Resistor Programmable Frequency (300kHz to 3MHz) with ±50% Frequency Sync Range
- 92% Efficiency with 12 VIN and –5VOUT
- ±0.8% Output Voltage Accuracy
- Peak Current Mode Operation
- Burst Mode® Operation, Forced Continuous Mode
- Programmable Soft-Start
- Overtemperature Protection
- Available in 28-Lead (4mm x 5mm) QFN and TSSOP Packages
Application
- Industrial Applications
- Telecom Power Supplies
- Distributed Power Systems
Specifications
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Manufacturer: | Analog Devices Inc. | Product Category: | Switching Voltage Regulators |
| RoHS: | Y | Mounting Style: | SMD/SMT |
| Package / Case: | QFN-28 | Output Voltage: | 0 V to 28 V |
| Output Current: | 4 A | Number of Outputs: | 1 Output |
| Input Voltage MAX: | 60 V | Topology: | Inverting |
| Input Voltage MIN: | 3.4 V | Switching Frequency: | 3 MHz |
| Minimum Operating Temperature: | - 40 C | Maximum Operating Temperature: | + 125 C |
| Series: | LTC7149 | Packaging: | Tube |
| Input Voltage: | 3.4 V to 60 V | Operating Temperature Range: | - 40 C to + 125 C |
| Quiescent Current: | 440 uA | Type: | Inverting Regulator |
| Brand: | Analog Devices / Linear Technology | Shutdown: | Shutdown |
| Development Kit: | DC2354A | Operating Supply Current: | 0.44 mA |
| Product Type: | Switching Voltage Regulators | Factory Pack Quantity: | 73 |
| Subcategory: | PMIC - Power Management ICs | Unit Weight: | 0.009630 oz |
| Tags | LTC7149E, LTC714, LTC71, LTC7, LTC | Source Content uid | LTC7149EUFD#PBF |
| Pbfree Code | No | Rohs Code | Yes |
| Part Life Cycle Code | Active | Ihs Manufacturer | ANALOG DEVICES INC |
| Package Description | QFN-28 | Pin Count | 28 |
| Manufacturer Package Code | 05-08-1712 | Reach Compliance Code | compliant |
| Samacsys Manufacturer | Analog Devices | Additional Feature | ALSO OPERATES IN ADJUSTABLE MODE FROM -28 TO -0.05 |
| Analog IC - Other Type | SWITCHING REGULATOR | Control Mode | CURRENT-MODE |
| JESD-30 Code | R-PQCC-N28 | Moisture Sensitivity Level | 1 |
| Number of Functions | 1 | Number of Terminals | 28 |
| Package Body Material | PLASTIC/EPOXY | Package Code | HVQCCN |
| Package Shape | RECTANGULAR | Package Style | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE |
| Peak Reflow Temperature (Cel) | 260 | Surface Mount | YES |
| Switcher Configuration | BUCK | Technology | CMOS |
| Temperature Grade | AUTOMOTIVE | Terminal Finish | MATTE TIN |
| Terminal Form | NO LEAD |
Shipping
| Shipping Type | Ship Fee | Lead Time | |
|---|---|---|---|
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DHL | $20.00-$40.00 (0.50 KG) | 2-5 days |
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Fedex | $20.00-$40.00 (0.50 KG) | 2-5 days |
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UPS | $20.00-$40.00 (0.50 KG) | 2-5 days |
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TNT | $20.00-$40.00 (0.50 KG) | 2-5 days |
 |
EMS | $20.00-$40.00 (0.50 KG) | 2-5 days |
 |
REGISTERED AIR MAIL | $20.00-$40.00 (0.50 KG) | 2-5 days |
Processing Time：Shipping fee depend on different zone and country.
Payment
| Terms of payment | Hand Fee | |
|---|---|---|
 |
Wire Transfer | charge US$30.00 banking fee. |
 |
Paypal | charge 4.0% service fee. |
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Credit Card | charge 3.5% service fee. |
 |
Western Union | charge US.00 banking fee. |
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Money Gram | charge US$0.00 banking fee. |
Guarantees
1.The electronic components you purchase include 365 Days Warranty, We guarantee product quality.
2.If some of the items you received aren't of perfect quality, we would resiponsibly arrange your refund or replacement. But the items must remain their orginal condition.
Packing
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All the products will packing in anti-staticbag. Ship with ESD antistatic protection.
Outside ESD packing’s lable will use ourcompany’s information: Part Mumber, Brand and Quantity.
We will inspect all the goods before shipment,ensure all the products at good condition and ensure the parts are new originalmatch datasheet.
After all the goods are ensure no problems afterpacking, we will packing safely and send by global express. It exhibitsexcellent puncture and tear resistance along with good seal integrity.
Part points
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The LTC7149EUFD#PBF is a synchronous step-down DC/DC converter chip from Linear Technology. It is designed to provide high efficiency voltage regulation for a wide range of applications, including industrial, automotive, and telecom systems. The chip incorporates a high-side and low-side N-channel MOSFETs for improved efficiency and reduced component count.
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Equivalent
Equivalent products of LTC7149EUFD#PBF chip are ADP1613 1.2 V Micropower Voltage Regulator, LT1171 Buck Regulator, TI TPS63000 Wide VIN, 1-A Buck-Boost Converter, and Maxim MAX15024 MicroPMU Power Management. -
Features
The LTC7149EUFD#PBF is a synchronous buck-boost DC/DC converter offering adjustable output voltage, current limit, and switching frequency. It operates from an input voltage range of 2.7V to 15V and can deliver a maximum output current of 3A. It also includes soft-start, short-circuit protection, and thermal shutdown features. -
Pinout
The LTC7149EUFD#PBF is a dual output DC/DC controller IC with 38-pin QFN package. It features primary side sensing, accurate polyphase current sharing, programmable average current limit, and 100% duty cycle operation. It is suitable for high current point-of-load supplies in telecom and datacom applications. -
Manufacturer
The LTC7149EUFD#PBF is manufactured by Linear Technology, a subsidiary of Analog Devices. Linear Technology is a semiconductor company that designs, manufactures and markets a broad line of integrated circuits. They specialize in analog and mixed signal products for various industries such as automotive, industrial, communications, and healthcare. -
Application Field
The LTC7149EUFD#PBF is a high efficiency, high voltage step-down DC-DC converter ideal for automotive, industrial, and telecommunications applications. It provides voltage regulation for systems requiring a low quiescent current and wide input voltage range, making it suitable for battery-powered applications, power management systems, and distributed power architectures. -
Package
The LTC7149EUFD#PBF chip is available in a 16-pin QFN package. It is in the form of a surface-mount device. The size of the LTC7149EUFD#PBF chip is 3mm x 3mm.
Datasheet PDF
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