Part Details for LD39030ADTPU18R by STMicroelectronics
Results Overview of LD39030ADTPU18R by STMicroelectronics
- Distributor Offerings: (8 listings)
- Number of FFF Equivalents: (0 replacements)
- CAD Models: (Request Part)
- Number of Functional Equivalents: (0 options)
- Part Data Attributes: (Available)
- Reference Designs: (Not Available)
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LD39030ADTPU18R Information
LD39030ADTPU18R by STMicroelectronics is a Linear Regulator IC.
Linear Regulator ICs 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.
Price & Stock for LD39030ADTPU18R
| Part # | Distributor | Description | Stock | Price | Buy | |
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DISTI #
LD39030ADTPU18R-ND
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DigiKey | IC REG LINEAR 1.8V 300MA 4-DFN Min Qty: 10000 Lead time: 20 Weeks Container: Tape & Reel (TR) | Temporarily Out of Stock |
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$0.1359 / $0.1432 | Buy Now |
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DISTI #
LD39030ADTPU18R
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Avnet Americas | LDO Voltage Regulator, Fixed, 1.5 V to 5.5 V, 1 Output, 1.8 V, 300 mA, 4 Pins, DFN - Bulk (Alt: LD39030ADTPU18R) RoHS: Compliant Min Qty: 10000 Package Multiple: 10000 Lead time: 20 Weeks, 0 Days Container: Bulk | 0 |
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$0.1229 / $0.1306 | Buy Now |
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DISTI #
511-LD39030ADTPU18R
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Mouser Electronics | LDO Voltage Regulators 300 mA very low quiescent current linear regulator IC RoHS: Compliant | 6294 |
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$0.1340 / $0.8200 | Buy Now |
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DISTI #
V36:1790_18645586
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Arrow Electronics | LDO Regulator Pos 1.8V 0.3A 4-Pin DFN EP T/R RoHS: Compliant Min Qty: 10000 Package Multiple: 10000 Lead time: 20 Weeks Date Code: 2408 | Americas - 20000 |
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$0.1211 / $0.1244 | Buy Now |
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STMicroelectronics | 300 mA very low quiescent current linear regulator IC COO: China RoHS: Compliant Min Qty: 1 | 6294 |
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$0.2600 / $0.8000 | Buy Now |
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DISTI #
78968390
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Verical | LDO Regulator Pos 1.8V 0.3A 4-Pin DFN EP T/R RoHS: Compliant Min Qty: 10000 Package Multiple: 10000 Date Code: 2408 | Americas - 20000 |
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$0.1211 | Buy Now |
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DISTI #
LD39030ADTPU18R
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TME | IC: voltage regulator, LDO,linear,fixed, 1.8V, 0.3A, DFN4, SMD Min Qty: 3 | 0 |
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$0.2040 / $0.2910 | RFQ |
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DISTI #
LD39030ADTPU18R
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Avnet Silica | LDO Voltage Regulator Fixed 15 V to 55 V 1 Output 18 V 300 mA 4 Pins DFN (Alt: LD39030ADTPU18R) RoHS: Compliant Min Qty: 10000 Package Multiple: 10000 Lead time: 17 Weeks, 0 Days | Silica - 0 |
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Buy Now |
Part Details for LD39030ADTPU18R
LD39030ADTPU18R CAD Models
LD39030ADTPU18R Part Data Attributes
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LD39030ADTPU18R
STMicroelectronics
Buy Now
Datasheet
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LD39030ADTPU18R
STMicroelectronics
300 mA very low quiescent current linear regulator IC
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| Rohs Code | Yes | |
| Part Life Cycle Code | Active | |
| Ihs Manufacturer | STMICROELECTRONICS | |
| Reach Compliance Code | compliant | |
| ECCN Code | EAR99 | |
| HTS Code | 8542.39.00.01 | |
| Factory Lead Time | 20 Weeks | |
| Samacsys Manufacturer | STMicroelectronics | |
| Packing Method | TR | |
| Peak Reflow Temperature (Cel) | NOT SPECIFIED | |
| Regulator Type | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR | |
| Time@Peak Reflow Temperature-Max (s) | NOT SPECIFIED |
LD39030ADTPU18R Frequently Asked Questions (FAQ)
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STMicroelectronics provides a recommended PCB layout in the application note AN5076, which includes guidelines for thermal vias, copper pours, and component placement to minimize thermal resistance and ensure optimal performance.
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The input capacitor selection depends on the input voltage, output voltage, and output current. A general guideline is to choose a capacitor with a voltage rating at least 1.5 times the maximum input voltage, and a capacitance value between 1uF to 10uF. Additionally, consider the capacitor's ESR, ripple current rating, and temperature rating.
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The maximum allowed voltage drop across the internal FETs is not explicitly stated in the datasheet. However, as a general guideline, it's recommended to keep the voltage drop below 1V to ensure reliable operation and minimize power losses.
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The LD39030ADTPU18R is rated for operation up to 150°C, but the device's performance and reliability may degrade at high temperatures. It's essential to consider the device's thermal derating, and ensure proper heat sinking and cooling to maintain a safe operating temperature.
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To troubleshoot issues with the LD39030ADTPU18R, start by verifying the input voltage, output voltage, and output current. Check for proper PCB layout, component selection, and thermal management. Use oscilloscopes and thermal cameras to identify potential issues. Consult STMicroelectronics' application notes and technical support resources for guidance.