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MIC2185YQS
+BOMIC REG CTRLR BUCK 16QSOP
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Nhà sản xuấtCông nghệ Microchip
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Ông. Phần #MIC2185YQS
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Bảng dữ liệu MIC2185YQS DataSheet
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Gói QSOP-16
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Có sẵn4933
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Thông số kỹ thuật
| thuộc tính | Giá trị |
| Package | Tube |
| ProductStatus | Active |
| OutputType | Transistor Driver |
| Function | Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck |
| NumberofOutputs | 1 |
| OutputPhases | 1 |
| Voltage-Supply(Vcc/Vdd) | 2.9V ~ 14V |
| Frequency-Switching | 400kHz |
| DutyCycle(Max) | 100% |
| SynchronousRectifier | No |
| ClockSync | Yes |
| ControlFeatures | Enable, Frequency Control, Soft Start |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 16-SSOP (0.154, 3.90mm Width) |
Tổng quan
Description
Key features of the MIC2185YQS include its ability to deliver high output current with minimal power loss, thanks to its synchronous rectification technology. It offers programmable switching frequency, allowing for optimization in terms of efficiency and size of external components. The controller also includes features like current limit protection, thermal shutdown, and undervoltage lockout to enhance reliability and safety.
Overall, the MIC2185YQS is valued for its ability to improve power supply efficiency, reduce heat generation, and ensure stable operation in complex electronic systems. Its compact design and robust performance make it a popular choice for engineers seeking effective power management solutions.
Equivalent
Features
1. Voltage Range: Operates from a wide input voltage range, typically from 4.5V to 28V, making it suitable for various power supply designs.
2. Output Voltage: Allows for adjustable output voltage down to 0.8V, providing flexibility for different applications.
3. Efficiency: Offers high efficiency due to its synchronous rectification feature, which reduces power loss.
4. Output Current: Capable of driving high output currents with external MOSFETs, allowing for scalable power solutions.
5. Switching Frequency: Features a programmable switching frequency up to 1MHz, enabling compact design and reduced external component size.
6. Protection Features: Includes over-voltage protection, under-voltage lockout, and thermal shutdown to enhance reliability and protect against faults.
7. Soft-Start: Incorporates a soft-start feature to gradually ramp up output voltage, minimizing inrush current and ensuring smooth operation.
8. Package: Available in a compact SOIC-8 package, facilitating easy integration into PCB designs.
These features make the MIC2185YQS suitable for various applications, including consumer electronics, industrial, and telecommunications equipment.
Pinout
Key functions and pin roles include:
1. VIN: Input voltage supply.
2. SW (Switch): Drives the external MOSFET.
3. GND: Ground reference.
4. COMP (Compensation): Error amplifier output for loop compensation.
5. FB (Feedback): Receives the output voltage feedback for regulation.
6. VDD: Internal LDO output, powers IC.
7. BOOST: Drives the high-side gate.
8. PGND: Power ground for high-current paths.
9. SD (Shutdown): Enables or disables the device.
10. SYNC: Synchronization input for external clock.
11. Other Pins: Additional pins may be used for soft-start, frequency setting, and other control functions.
Check the specific datasheet for detailed pin descriptions and configuration options.