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1.5 A step-down switching regulator
Tip: Data for a part may vary between manufacturers. You can filter for manufacturers on the top of the page next to the part image and part number.
L5983TR by STMicroelectronics is a Switching Regulator or Controller.
Switching Regulator or Controllers are under the broader part category of Power Circuits.
A power circuit delivers electricity in order to operate a load for an electronic device. Power circuits include transformers, generators and switches. Read more about Power Circuits on our Power Circuits part category page.
Part # | Distributor | Description | Stock | Price | Buy | |
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DISTI #
497-L5983CT-ND
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DigiKey | IC REG BUCK ADJ 1.5A 8VFQFPN Min Qty: 1 Lead time: 16 Weeks Container: Digi-Reel®, Cut Tape (CT), Tape & Reel (TR) |
3937 In Stock |
|
$1.1341 / $2.4200 | Buy Now |
DISTI #
L5983TR
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Avnet Americas | DC/DC Switching Regulator, Adjustable, Buck (Step Down), Single Output, 18 V to 600 mV, 1.5 A, 250 kHz, 8 Pins, VFQFPN-EP - Tape and Reel (Alt: L5983TR) RoHS: Compliant Min Qty: 4000 Package Multiple: 4000 Lead time: 16 Weeks, 0 Days Container: Reel | 0 |
|
$1.0961 / $1.1485 | Buy Now |
DISTI #
511-L5983TR
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Mouser Electronics | Switching Voltage Regulators 1.5a Step-Down Switching Reg RoHS: Compliant | 9975 |
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$1.1300 / $2.4200 | Buy Now |
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STMicroelectronics | 1.5 A step-down switching regulator RoHS: Compliant Min Qty: 1 | 9975 |
|
$1.3100 / $2.3700 | Buy Now |
DISTI #
L5983TR
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IBS Electronics | CONV DC-DC 2.9V TO 18V STEP DOWN SINGLE-OUT 0.6V TO 18V 1.5A 8-PIN VFQFPN EP T/R Min Qty: 4000 Package Multiple: 1 | 0 |
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$1.4690 | Buy Now |
DISTI #
L5983TR
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Avnet Silica | DCDC Switching Regulator Adjustable Buck Step Down Single Output 18 V to 600 mV 15 A 250 kHz 8 Pins VFQFPNEP (Alt: L5983TR) RoHS: Compliant Min Qty: 4000 Package Multiple: 4000 Lead time: 17 Weeks, 0 Days | Silica - 4000 |
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Buy Now | |
DISTI #
L5983TR
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EBV Elektronik | DCDC Switching Regulator Adjustable Buck Step Down Single Output 18 V to 600 mV 15 A 250 kHz 8 Pins VFQFPNEP (Alt: L5983TR) RoHS: Compliant Min Qty: 4000 Package Multiple: 4000 Lead time: 17 Weeks, 0 Days | EBV - 0 |
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Buy Now |
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L5983TR
STMicroelectronics
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Datasheet
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L5983TR
STMicroelectronics
1.5 A step-down switching regulator
|
Rohs Code | Yes | |
Part Life Cycle Code | Active | |
Ihs Manufacturer | STMICROELECTRONICS | |
Part Package Code | QFP | |
Package Description | 3 X 3 MM, 1.08 MM HEIGHT, LEAD FREE, VFQFPN-8 | |
Pin Count | 8 | |
Reach Compliance Code | compliant | |
ECCN Code | EAR99 | |
HTS Code | 8542.39.00.01 | |
Factory Lead Time | 16 Weeks | |
Samacsys Manufacturer | STMicroelectronics | |
Analog IC - Other Type | SWITCHING REGULATOR | |
Control Mode | VOLTAGE-MODE | |
Input Voltage-Max | 18 V | |
Input Voltage-Min | 2.9 V | |
Input Voltage-Nom | 12 V | |
JESD-30 Code | S-PDSO-N8 | |
JESD-609 Code | e3 | |
Length | 3 mm | |
Moisture Sensitivity Level | 1 | |
Number of Functions | 1 | |
Number of Terminals | 8 | |
Output Current-Max | 1.5 A | |
Package Body Material | PLASTIC/EPOXY | |
Package Code | HVSON | |
Package Equivalence Code | SOLCC8,.11,20 | |
Package Shape | SQUARE | |
Package Style | SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE | |
Peak Reflow Temperature (Cel) | 260 | |
Qualification Status | Not Qualified | |
Seated Height-Max | 1 mm | |
Surface Mount | YES | |
Switcher Configuration | BUCK | |
Switching Frequency-Max | 1000 kHz | |
Terminal Finish | Matte Tin (Sn) - annealed | |
Terminal Form | NO LEAD | |
Terminal Pitch | 0.5 mm | |
Terminal Position | DUAL | |
Time@Peak Reflow Temperature-Max (s) | 30 | |
Width | 3 mm |
The L5983TR can handle a maximum input voltage of 30V, but it's recommended to keep it below 28V for reliable operation.
To ensure stability, make sure to follow the recommended PCB layout guidelines, use a sufficient output capacitor, and add a compensation network (Rc and Cc) as described in the datasheet.
The L5983TR can operate with an input voltage as low as 7V, but the output voltage regulation may not be guaranteed below 8V.
The L5983TR is rated for operation up to 150°C, but the maximum junction temperature (Tj) should not exceed 150°C. Ensure proper thermal management and consider derating the device for high-temperature applications.
The output voltage (Vout) can be calculated using the formula: Vout = Vref x (1 + R1/R2), where Vref is the internal reference voltage (2.5V), and R1 and R2 are the feedback resistors.