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onsemi 5-Channel Buck, Boost, Flyback Controller 1 A 5.1V 500 kHz SOIC 8-Pin UC3842BVD1R2G
Specifications
| Country of Origin | India |
|---|---|
| Brand | onsemi |
| Height | 1.5mm |
| Length | 5mm |
| Model | UC3842BVD1R2G |
| Width | 4mm |
| Mount Type | Surface |
| Output type | Adjustable |
| Series | UC3842B |
| Output Current | 1A |
| Maximum Operating Temperature | 105°C |
| Package Type | SOIC |
| Load Regulation | 25 mV |
| Minimum Operating Temperature | -40°C |
| Polarity | Positive |
| Regulator Type | Buck, Boost |
| Switching Frequency | 500kHz |
| Number of outputs | 5 |
| Maximum Input Voltage | 30V |
| Output Voltage | 5.1V |
| Line Regulation | 20 mV |
| Standards/Approvals | RoHS |
| Minimum Input Voltage | 7.6V |
| Pin Count | 8 |
Key Features
- The controller supports Buck, Boost, and Flyback regulator types for versatile power management.
- Operates at a switching frequency of 500 kHz ensuring efficient performance.
- Features trimmed oscillator for precise frequency control and current mode operation up to 500 kHz.
- Includes undervoltage lockout with hysteresis and automatic feed-forward compensation for reliable operation.
- Designed with a high current totem pole output and latching PWM for cycle-by-cycle current limiting.
- Has a wide operating temperature range from -40°C to 105°C, suitable for various environments.
- Compact dimensions with a height of 1.5mm, width of 4mm, and length of 5mm.
- Surface mount package type SOIC with 8 pins for easy PCB integration.
Product Description
onsemi UC3842BVD1R2G is a precision 5-channel Buck, Boost, and Flyback controller IC designed for power management applications requiring stable output voltage and current regulation. It provides a maximum output current of 1A and an output voltage of 5.1V. Operating at a switching frequency of 500 kHz, it ensures efficient and reliable power conversion in industrial, electronic component, and semiconductor applications.
This device features a trimmed oscillator for precise frequency control guaranteed at 250 kHz, current mode operation up to 500 kHz, and automatic feed-forward compensation which enhances transient response. The built-in latching PWM allows cycle-by-cycle current limiting, protecting the system from overcurrent conditions. Internally trimmed voltage reference with undervoltage lockout ensures device stability and safety across varied input voltages.
The UC3842BVD1R2G comes in a SOIC 8-pin surface-mount package, measuring 5mm in length, 4mm in width, and 1.5mm in height, making it suitable for compact PCB designs. It operates across a wide temperature range of -40°C to 105°C, accommodating demanding environments in industrial, electronic manufacturing, and power management applications.
Key operational parameters include a line regulation of 20 mV, load regulation of 25 mV, and input voltage range from 7.6V up to a maximum of 30V. The device maintains positive polarity and adjustable output current with 8 pins for flexible circuit integration. It conforms to RoHS standards, ensuring environmental and safety compliance.
Typical industrial use cases cover power supply designs in manufacturing equipment, automotive electronics (non-automotive standard), and commercial power converters requiring efficient DC-DC voltage regulation.
The controller supports Buck, Boost, and Flyback regulator types for versatile power management. The device features precise oscillator trim and current-mode control for improved efficiency. Overcurrent protection is enabled through latching PWM and cycle-by-cycle current limiting.
Compact SOIC 8-pin package simplifies surface mounting in electronic circuits. Wide temperature range ensures stable operation in diverse industrial conditions. RoHS compliant product ensuring adherence to environmental standards.
Typical application includes use in power management IC designs for electronics manufacturing. Explore more Power Management ICs and electronic components in the Electronics & Electricals category at EnvMart for optimized circuit design and system integration.
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Frequently Asked Questions
The output voltage of this model is 5.1V, providing stable voltage regulation for various applications.
It supports a maximum output current of 1A, suitable for a range of power management applications.
This controller supports Buck, Boost, and Flyback regulator types, allowing for versatile power management solutions.
The switching frequency of this model is 500 kHz, ensuring efficient performance in power conversion.
The SOIC package measures 5mm in length, 4mm in width, and 1.5mm in height, making it compact for PCB integration.
It operates within an input voltage range of 7.6V to a maximum of 30V, accommodating various power supply designs.
This model operates effectively across a temperature range of -40°C to 105°C, suitable for diverse environments.
It provides an adjustable output type, allowing flexibility in voltage regulation for different applications.
The line regulation is 20 mV and the load regulation is 25 mV, ensuring stable output under varying conditions.
Yes, this product conforms to RoHS standards, ensuring compliance with environmental regulations.
It includes features like a trimmed oscillator for precise frequency control, undervoltage lockout, and automatic feed-forward compensation for improved efficiency.
This model has five outputs, providing flexibility for various circuit designs.
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