RT9043GB 400mA Adjustable LDO Voltage Regulator SOT-23-5 10PCS
RT9043GB 400mA Adjustable LDO Voltage Regulator SOT-23-5 10PCS
RT9043GB High PSRR Adjustable LDO Voltage Regulator – 10-Piece Pack
Get reliable, precision voltage regulation with this 10-piece set of RT9043GB Low Dropout (LDO) Voltage Regulator ICs. Designed for engineers, electronics hobbyists, and PCB designers who demand consistent, low-noise power management in compact form factors, the RT9043GB delivers outstanding performance in the industry-standard SOT-23-5 package.
Key Features
- High PSRR (Power Supply Rejection Ratio): Excellent noise filtering ensures clean, stable output voltage — ideal for noise-sensitive analog and RF circuits.
- 400mA Output Current: Provides ample current capacity for a wide range of microcontroller, sensor, and module applications.
- Adjustable Output Voltage: Flexible output configuration suits diverse design requirements without needing multiple regulator variants.
- Low Dropout Voltage: Maintains regulation efficiency even when input and output voltages are closely matched, extending battery life in portable designs.
- SOT-23-5 Package: Ultra-compact, surface-mount package for space-constrained PCB layouts.
- New Condition: Each IC is brand new, ensuring full performance and reliability from the first use.
- Pack of 10: Cost-effective bulk quantity, perfect for prototyping, production runs, or building your component inventory.
Specifications
- Part Number: RT9043GB
- Type: Adjustable LDO Voltage Regulator
- Output Current: 400mA
- Package: SOT-23-5
- Quantity: 10 PCS
- Condition: New
- High-Concern Chemicals: None
- Country of Origin: Made in Mainland China
Who Is This For?
Whether you are designing a battery-powered IoT device, a precision analog circuit, or a compact embedded system, the RT9043GB's combination of high PSRR, low dropout, and adjustable output makes it a versatile go-to regulator for engineers and makers alike. Having 10 pieces on hand means you are ready for both prototyping and small-batch production.
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Frequently Asked Questions
Q: What is the output current rating of the RT9043GB LDO regulator?
A: The RT9043GB is rated for up to 400mA output current, making it suitable for powering microcontrollers, sensors, wireless modules, and other low-to-medium power electronics in your circuit designs.
Q: What does "adjustable" mean for this LDO regulator?
A: An adjustable LDO regulator allows you to set the output voltage to your desired level using external resistors, rather than being fixed at a single output voltage. This gives the RT9043GB maximum flexibility across a wide range of circuit design requirements.
Q: Is the SOT-23-5 package suitable for surface-mount assembly?
A: Yes. The SOT-23-5 is a standard surface-mount (SMD) package, fully compatible with automated pick-and-place assembly and hand soldering. Its small footprint makes it ideal for compact, space-saving PCB designs.
Q: Why does High PSRR matter in an LDO regulator?
A: High Power Supply Rejection Ratio (PSRR) means the RT9043GB effectively attenuates noise and ripple from the input supply, delivering a cleaner, more stable output voltage. This is especially important in audio, RF, and precision analog applications where noise can degrade performance.