- Datasheet Download Datasheet
- Stock & Prices $ Price & Stock for E-UC3843BN
- Part Number E-UC3843BN
- Manufacturer STMicroelectronics
- Pin Count 8
- Part Category Integrated Circuit
- Package Category Dual-In-Line Packages
- Footprint Name Dual-In-Line Packages - Minidip
- Released Date Jan 12, 2017
- Last Modified Date Jan 8, 2026 2:31 PM UTC
- Pinout / Pin List Click Here (Member Only)
E-UC3843BN Details
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Manufacturer Part Number:
E-UC3843BN
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Brand Name:
STMicroelectronics
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Part Life Cycle Code:
Obsolete
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Part Package Code:
DIP
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Package Description:
MINI, DIP-8
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Pin Count:
8
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ECCN Code:
EAR99
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HTS Code:
8542.39.00.60
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Manufacturer:
STMicroelectronics
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YTEOL:
0
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Analog IC - Other Type:
SWITCHING CONTROLLER
E-UC3843BN Frequently Asked Questions (FAQs)
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The maximum operating frequency of the E-UC3843BN is 500 kHz.
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To ensure stability in the output voltage, it is recommended to use a minimum output capacitance of 10uF and a maximum ESR of 1 ohm. Additionally, the output voltage should be decoupled with a 10nF capacitor.
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The soft-start pin (SS) is used to control the output voltage rise time during startup. It can be connected to a capacitor to ground to set the soft-start time.
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The maximum output current of the E-UC3843BN can be calculated using the formula: Iout_max = (Vin - Vout) / (Rds(on) * Rl), where Vin is the input voltage, Vout is the output voltage, Rds(on) is the on-state resistance of the internal switch, and Rl is the load resistance.
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It is recommended to use a multi-layer PCB with a solid ground plane and to place the E-UC3843BN near the input capacitors. Thermal management is critical, and it is recommended to use a heat sink with a thermal resistance of less than 10°C/W.
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E-UC3843BN Overview
Use the download button to access the E-UC3843BN schematic symbol, PCB footprint, and 3D model.
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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