CJT1117B-3.3

The CJT1117B-3.3 is a low-dropout (LDO) voltage regulator that provides a fixed 3.3V output with a maximum current of 1A. It features a low dropout voltage (typically 1.2V at 1A), making it suitable for applications with tight input-output differentials.
Key characteristics:
- Input voltage range: Up to 15V
- Output voltage: Fixed 3.3V (±2% accuracy)
- Low quiescent current: ~5mA
- Protections: Overcurrent and thermal shutdown
Commonly used in battery-powered devices, embedded systems, and consumer electronics, the CJT1117B-3.3 is a cost-effective, reliable solution for stable voltage regulation. It requires minimal external components (typically just input/output capacitors).
Package options include TO-220, SOT-223, and DPAK, offering flexibility for different PCB layouts.
For optimal performance, ensure proper heat dissipation at higher loads.

The CJT1117B-3.3 is a 3.3V fixed-output LDO voltage regulator with 3 pins and the following functions:
1. Input (VIN) – Connects to the input voltage (up to 15V).
2. Ground (GND) – Reference for regulation.
3. Output (VOUT) – Provides a stable 3.3V output (up to 800mA current).
It features low dropout voltage (~1.2V at max load), thermal shutdown, and short-circuit protection. Commonly used in power supply circuits for stable 3.3V regulation.

The CJT1117B-3.3 is a 3.3V LDO voltage regulator manufactured by CJ (Chengdu Jingke Weixin Electronics Co., Ltd.), a Chinese semiconductor company.
CJ specializes in analog and power management ICs, including LDO regulators, DC-DC converters, and voltage references. The company focuses on cost-effective solutions for consumer electronics, industrial applications, and IoT devices.
The CJT1117B-3.3 is a fixed-output variant of the popular AMS1117 series, offering similar performance with a 1A output current and low dropout voltage. CJ is known for producing compatible alternatives to established ICs, often at competitive prices.
For detailed specifications, refer to CJ’s official documentation or authorized distributors.

The CJT1117B-3.3 is a 3.3V LDO voltage regulator commonly used in:
1. Embedded Systems – Powering microcontrollers (e.g., STM32, ESP8266).
2. IoT Devices – Stable voltage for sensors and wireless modules.
3. Consumer Electronics – Routers, set-top boxes, and portable gadgets.
4. Industrial Control – Reliable power for PLCs and automation systems.
5. Battery-Powered Devices – Efficient voltage regulation in low-power applications.
Its low dropout, high accuracy, and thermal protection make it ideal for compact, energy-efficient designs.

The CJT1117B-3.3 is a low-dropout (LDO) voltage regulator in a TO-252 (DPAK) package. It provides a fixed 3.3V output and is commonly used for power management in electronic circuits. The TO-252 package offers good thermal performance and is suitable for surface-mount applications.