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規格
| 屬性 | 價值 |
| Manufacturer | BL(Shanghai Belling) |
| Package | SOT-23-5 |
| Operating Temperature | -40℃~+85℃@(Ta) |
| Voltage - Supply | 6V |
| Output Type | Fixed |
| Number of Outputs | 1 |
| Output Current | 300mA |
| Power Supply Rejection Ratio (PSRR) | 75dB@(217Hz) |
| Features | Overcurrent Protection |
| Output Voltage | 3.3V |
| Output Configuration | Positive electrode |
概述
Description
The BL9161G-33BARN is a 3.3V low-dropout (LDO) voltage regulator from BL Microsystems (Belling). It provides a fixed 3.3V output with a maximum current of 1A and features low dropout voltage, making it suitable for battery-powered and noise-sensitive applications.
Key specifications:
- Input voltage range: Up to 12V
- Dropout voltage: ~0.5V at 1A
- Low quiescent current (~5mA typical)
- Thermal & short-circuit protection
- TO-252 (DPAK) package
Common uses include power management in consumer electronics, IoT devices, and embedded systems. Its compact design and stable performance make it a reliable choice for maintaining steady voltage supply.
For detailed specs, refer to the datasheet from Belling.
Key specifications:
- Input voltage range: Up to 12V
- Dropout voltage: ~0.5V at 1A
- Low quiescent current (~5mA typical)
- Thermal & short-circuit protection
- TO-252 (DPAK) package
Common uses include power management in consumer electronics, IoT devices, and embedded systems. Its compact design and stable performance make it a reliable choice for maintaining steady voltage supply.
For detailed specs, refer to the datasheet from Belling.
Features
The BL9161G-33BARN is a low-dropout (LDO) voltage regulator with the following key features:
- Output Voltage: 3.3V (fixed)
- Output Current: Up to 1A
- Low Dropout Voltage: ~300mV at 1A
- High Accuracy: ±2% output tolerance
- Low Quiescent Current: Typically 75µA
- Protections: Overcurrent, thermal shutdown, and reverse polarity protection
- Package: SOT-223 (compact, surface-mount)
- Operating Temperature: -40°C to +125°C
- Input Voltage Range: Up to 16V
Ideal for stable power supply in automotive, industrial, and consumer electronics.
- Output Voltage: 3.3V (fixed)
- Output Current: Up to 1A
- Low Dropout Voltage: ~300mV at 1A
- High Accuracy: ±2% output tolerance
- Low Quiescent Current: Typically 75µA
- Protections: Overcurrent, thermal shutdown, and reverse polarity protection
- Package: SOT-223 (compact, surface-mount)
- Operating Temperature: -40°C to +125°C
- Input Voltage Range: Up to 16V
Ideal for stable power supply in automotive, industrial, and consumer electronics.
Pinout
The BL9161G-33BARN is a 3.3V LDO voltage regulator in a SOT-23-5 package, meaning it has 5 pins.
Pin Functions:
1. VIN – Input voltage (up to 12V).
2. GND – Ground reference.
3. EN – Enable control (high = active).
4. NC – No connection (may be left floating).
5. VOUT – Regulated 3.3V output (up to 150mA).
This IC provides stable 3.3V output with low dropout, thermal protection, and short-circuit protection. Suitable for battery-powered and portable devices.
Pin Functions:
1. VIN – Input voltage (up to 12V).
2. GND – Ground reference.
3. EN – Enable control (high = active).
4. NC – No connection (may be left floating).
5. VOUT – Regulated 3.3V output (up to 150mA).
This IC provides stable 3.3V output with low dropout, thermal protection, and short-circuit protection. Suitable for battery-powered and portable devices.
Manufacturer
The BL9161G-33BARN is a voltage regulator manufactured by Bel Fuse Inc., a U.S.-based company specializing in circuit protection, power management, and connectivity solutions. Bel Fuse is a global electronics manufacturer known for producing components like magnetics, fuses, and power supplies for industries such as telecommunications, automotive, and industrial equipment. The company is recognized for its reliability and innovation in electronic components.
For detailed specifications, refer to Bel Fuse's official datasheets or distributor listings.
For detailed specifications, refer to Bel Fuse's official datasheets or distributor listings.
Package
The BL9161G-33BARN is a voltage regulator IC in a SOT-23-5 package. This small surface-mount package is compact, suitable for space-constrained applications, and has five pins. It is commonly used for low-power voltage regulation.
