400mA LDO Voltage Regulator, 2.2-5.5V In, 3.3V Out, SOT-23-5 Product overview: RT9043GB from Richtek is a LDO Voltage Regulator IC for stable power rails, DC-DC conversion, battery-powered electronics, automotive modules, and embedded power management. It is useful for engineers and buyers comparing datasheets, replacement parts, BOM lines, package options, lifecycle status, and procurement availability. Key searchable attributes include LDO, 400mA, 5.5V, 3.3V, SOT-23. Search-friendly keywords include voltage regulator, LDO, buck converter, boost converter, power rail, 400mA, 5.5V, 3.3V, LDO Voltage Regulator IC, Linear & Switching Voltage Regulators. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 776-RT9043GB can be used for catalog matching and distributor lookup.
Manufacturer: Richtek USA Inc.
Win Source Part Number: 062666-RT9043GB
Packaging: Reel - TR
Mounting: SMD (SMT)
Regulator Topology: Positive Adjustable
Voltage - Dropout (Typical): 0.23V @ 400mA
Number of Regulators: 1
Output Type: Adjustable
Control Features: Enable
Output Current: 400mA
Output Voltage: 1.2 V to 3.3 V
Categories: Integrated Circuits
Status: Active
Temperature Range - Operating: -40°C to 85°C
Case / Package: SOT-23-5
Maximum Input Voltage: 5.5V
Nominal Output Voltage (Min/Fixed): 1.2V
Dropout Voltage-Max: 0.35V @ 400mA
Operating Supply Current: 50μA
PSRR: 67dB to 56dB (1kHz to 10kHz)
Maximum Output Voltage: 5.15V
Protection Features: Over Current
Popularity: Medium
Fake Threat In the Open Market: 61 pct.
Supply and Demand Status: Balance
Linear Voltage Regulator IC Positive Adjustable 1 Output 400mA SOT-23-5
Linear Voltage Regulator IC Positive Adjustable 1 Output 400mA SOT-23-5
Linear Voltage Regulator IC Positive Adjustable 1 Output 400mA SOT-23-5
IC REG LIN POS ADJ 400MA SOT23-5
IC REG LIN POS ADJ 400MA SOT23-5
IC REG LIN POS ADJ 400MA SOT23-5
| ERSAELECTRONICS PTE. LTD. | Win Source Electronics | DigiKey | Shenzhen Shengyu Electronics Technology Limited | ODG (Origin Data Global) | Lingto Electronic Limited | |
|---|---|---|---|---|---|---|
| Product Category | IC Voltage Regulators | IC Linear Voltage Regulators | IC Linear Voltage Regulators | IC Voltage Regulators | IC Linear Voltage Regulators | IC Linear Voltage Regulators |
| Product Number | 776-RT9043GB | 062666-RT9043GB | 1028-1012-6-ND | RT9043GB | RT9043GB | RT9043GB |
| Product Name | 400mA 5.5V 3.3V SOT-23 LDO Voltage Regulator IC | PMIC - PMIC - Voltage Regulators - Linear - RT9043GB | Voltage Regulators - Linear, Low Drop Out (LDO) Regulators | Integrated Circuits (ICs) - Power Management (PMIC) - Voltage Regulators - Linear | Voltage Regulators - Linear, Low Drop Out (LDO) Regulators | PMIC - Voltage Regulators - Linear |
| Package Type | Other; SOT-23-5 | SOT23; Other; SOT-23-5 | Other; SC-74A, SOT-753 | SOT23; Other; SC-74A, SOT-753 | ||
| Output Voltage | 3.3 volts | 1.2 volts | 1.2 to 5 volts | 1.2 volts | 1.2 volts | |
| IOUT | 0.4000 amps | 0.4000 amps | 0.4000 amps | 0.4000 amps | 0.4000 amps | 0.4000 amps |
| Dropout Voltage | 0.2300 volts | 0.3500 volts | 0.3500 volts | 0.3500 volts | ||
| IQ | 5.00E-5 amps | 5.00E-5 amps |
