- Datasheet Download Datasheet
- Stock & Prices $ Price & Stock for SR1PBBU
- Part Number SR1PBBU
- Manufacturer STMicroelectronics
- Pin Count 6
- Part Category Integrated Circuit
- Package Category Small Outline No-lead
- Footprint Name Small Outline No-lead - UDFN6, (1.00 x 1.45 x 0.50 mm
- Released Date Oct 3, 2022
- Last Modified Date Jan 8, 2026 2:31 PM UTC
- Pinout / Pin List Click Here (Member Only)
SR1PBBU Details
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Manufacturer Part Number:
SR1PBBU
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Brand Name:
STMicroelectronics
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Rohs Code:
Yes
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Part Life Cycle Code:
Active
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Package Description:
1 X 1.45 MM, 0.50 MM HEIGHT, 0.50 MM PITCH, HALOGEN FREE AND ROHS COMPLIANT, UDFN-6
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Country Of Origin:
Mainland China
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ECCN Code:
EAR99
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HTS Code:
8542.39.00.60
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Factory Lead Time:
24 Weeks
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Manufacturer:
STMicroelectronics
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Consumer IC Type:
CONSUMER CIRCUIT
SR1PBBU Frequently Asked Questions (FAQs)
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A 4-layer PCB with a solid ground plane and a separate power plane is recommended. Keep the input and output capacitors close to the device, and use short, wide traces for the power lines.
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Ensure the input voltage is within the recommended range (4.5V to 5.5V). Apply power to the device, then wait for the internal voltage regulator to stabilize (typically <10ms). Initialize the device by setting the EN pin high and waiting for the PG pin to go high.
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The SR1PBBU can deliver up to 1A of output current, but this may vary depending on the input voltage, output voltage, and ambient temperature. Consult the datasheet for specific current limits and thermal derating.
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Ensure good airflow around the device, and consider using a heat sink or thermal pad to dissipate heat. Monitor the junction temperature (TJ) and reduce the output current or implement thermal shutdown if TJ exceeds 125°C.
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Use a shielded enclosure, keep the device and associated components away from radiating sources, and ensure proper grounding and decoupling. Follow STMicroelectronics' application notes and guidelines for EMI and EMC compliance.
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SR1PBBU Overview
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About STMicroelectronics
STMicroelectronics (ST) is a global semiconductor company that designs, manufactures, and markets a broad range of integrated circuits (ICs), discrete devices, and other electronic components.
STMicroelectronics offers a diverse portfolio of semiconductor products covering a wide range of applications and industries. Their product categories include microcontrollers, analog and mixed-signal ICs, MEMS (Micro-Electro-Mechanical Systems) sensors, power management ICs, RF (Radio Frequency) transceivers, aut