GOODWORK 78L12 42dB@(120Hz) 40mA Fixed 12V Positive 27V SOT-89 Voltage Regulators (LDO) SMD
The GOODWORK 78L12 is a low dropout (LDO) linear voltage regulator designed to deliver a stable 12V output with a maximum current of 40mA. This regulator is engineered for applications where space efficiency and power stability are critical, making it an ideal choice for compact electronic systems such as portable devices, sensors, and microcontrollers. Housed in a compact SOT-89 package, it supports surface-mount technology (SMT), facilitating easy integration into modern printed circuit board (PCB) designs.
Features:
- Fixed 12V output voltage for stable power delivery.
- High PSRR of 42dB @ 120Hz for minimized noise interference.
- Supports up to 40mA output current for low-power devices.
- Dropout voltage of 1.1V for efficient operation.
Specifications:
| Parameter | Specification |
|---|---|
| Category | Power Management (PMIC)/Voltage Regulators – Linear, Low Drop Out (LDO) Regulators |
| Manufacturer | GOODWORK |
| Package | SOT-89 |
| Power Supply Rejection Ratio (PSRR) | 42dB@(120Hz) |
| Output Current | 40mA |
| Standby Current | 6.5mA |
| Voltage Dropout | 1.7V |
| Output Type | Fixed |
| Output Voltage | 12V |
| Output Configuration | Positive |
| Datasheet | 78L12 |
| Number of Outputs | 1 |
| Operating Temperature | 0℃~+125℃@(Tj) |
| Voltage – Supply | 27V |
| Certifications | Quality Management System |
Pin Configuration & Foot Print:

Applications:
- Three-terminal positive voltage regulator.
- Battery-powered applications requiring 12V output.
- Noise-sensitive applications, including audio circuits.
- Remote sensor networks.


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