| Allicdata Part #: | RT8009-18GJ5-ND |
| Manufacturer Part#: |
RT8009-18GJ5 |
| Price: | $ 0.00 |
| Product Category: | Integrated Circuits (ICs) |
| Manufacturer: | Richtek USA Inc. |
| Short Description: | IC REG BCK 1.8V 0.6A SYNC TSOT23 |
| More Detail: | Buck Switching Regulator IC Positive Fixed 1.8V 1 ... |
| DataSheet: |  RT8009-18GJ5 Datasheet/PDF |
| Quantity: | 1000 |
| 1 +: | 0.00000 |
Specifications
| Voltage - Input (Max): | 5.5V |
| Supplier Device Package: | TSOT-23-5 |
| Package / Case: | SOT-23-5 Thin, TSOT-23-5 |
| Mounting Type: | Surface Mount |
| Operating Temperature: | -40°C ~ 85°C (TA) |
| Synchronous Rectifier: | Yes |
| Frequency - Switching: | 1.25MHz |
| Current - Output: | 600mA |
| Voltage - Output (Max): | -- |
| Voltage - Output (Min/Fixed): | 1.8V |
| Series: | -- |
| Voltage - Input (Min): | 2.5V |
| Number of Outputs: | 1 |
| Output Type: | Fixed |
| Topology: | Buck |
| Output Configuration: | Positive |
| Function: | Step-Down |
| Part Status: | Active |
| Packaging: | Tape & Reel (TR) |
Description
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RT8009-18GJ5 is a PWM Step-Down DC/DC Controller with high efficiency, adjustable output voltage and low BOM cost. The typical application field includes non-isolated step-down converters such like 3V to 5V or 3.3V to 5V converters, power supplies and charging modules. Moreover, this device also has a low standby current mode and provides both constant current and constant voltage operational modes which makes it suitable for a wide range of applications.The RT8009-18GJ5 integrates an internal PWM generator and current limiter settings as well as an externally adjustable voltage reference. This device is designed to ensure reliability in controlling output current and provide accurate and stable output voltages. The chip furthermore incorporates a minimum on-time current limitation functionality to extend IC life and improve power efficiency.Moreover, the RT8009-18GJ5 utilizes an internal N-MOSFET which simplifies the power stage design. The switching frequency is adjustable from 130 kHz to 400 kHz. The device also embeds various protection functions such as cycle-by-cycle current limiting, input/outputUVLO and thermal shutdown protection.In terms of the RT8009-18GJ5 working principle, it supports both synchronous and non-synchronous step-down converters. In a synchronous converter, the RT8009-18GJ5 controls the power switch with a signal generated by an internal PWM generator. This signal is modulated by an error signal to guarantee the desired output voltage levels. In a non-synchronous converter, the chip generates a square wave in order to turn on and off the power switch. The duty cycle of the square wave is adjusted in order to regulate the output voltage.In conclusion, the RT8009-18GJ5 is a cost efficient PWM Step-Down DC/DC Controller which is suitable for powering a broad range of applications. The integrated features such as adjustable output voltage, current limiter, minimum on-time current limitation functionality, as well as synchronous and non-synchronous step-down converter support make it a highly reliable and versatile device.
The specific data is subject to PDF, and the above content is for reference
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