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MIC2288YD5
1350kHz switching frequency
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製造商零件號 # : MIC2288YD5
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包裝/封裝: SOT-23-6
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產品分類 : Voltage Regulators - DC DC Switching Regulators
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MIC2288YD5 數據表
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詳細說明
The MIC2288YD5 is a versatile synchronous buck regulator that offers a wide input voltage range of 2.7V to 5.5V, making it suitable for a variety of applications. With an output voltage range of 0.8V to 5V and a fixed 1.2MHz switching frequency, this regulator provides efficient power conversion with up to 96% efficiency. Its low dropout voltage of only 220mV at 500mA output current ensures minimal power loss, making it ideal for battery-powered devices
主要特徵
- The MIC22 series is designed for reliability and flexibility
- Wide input voltage range makes it suitable for various battery-powered applications
- Low-resistance power switch minimizes power loss
- Shutdown mode helps conserve power when not in use
應用
- Highly effective power management
- Ideal for battery-powered devices
- Optimal choice for portable electronics
規格
以下是所選零件的基本參數，涉及零件的特性及其所屬類別。
| Pbfree Code | Yes | Rohs Code | Yes |
| Part Life Cycle Code | Active | Part Package Code | SOT-23 |
| Pin Count ! | 5 | Reach Compliance Code | |
| Additional Feature ! | ALSO HAS OUTPUT VOLTAGE ADJUSTABLE TO 34V | Analog IC - Other Type | SWITCHING REGULATOR |
| Control Mode | CURRENT-MODE | Control Technique | PULSE WIDTH MODULATION |
| Input Voltage-Max | 10 V | Input Voltage-Min | 2.5 V |
| Input Voltage-Nom | 3.6 V | JESD-30 Code | R-PDSO-G5 |
| JESD-609 Code | e3 | Length | 2.9 mm |
| Moisture Sensitivity Level | 1 | Number of Functions | 1 |
| Number of Terminals | 5 | Operating Temperature-Max | 125 °C |
| Operating Temperature-Min | -40 °C | Output Current-Max | 2 A |
| Package Body Material | PLASTIC/EPOXY | Package Code | VSSOP |
| Package Shape | RECTANGULAR | Package Style | SMALL OUTLINE, VERY THIN PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 | Qualification Status ! | COMMERCIAL |
| Seated Height-Max | 1 mm | Surface Mount ! | YES |
| Switcher Configuration | BOOST | Switching Frequency-Max | 1350 kHz |
| Temperature Grade ! | AUTOMOTIVE | Terminal Finish | MATTE TIN |
| Terminal Form ! | GULL WING | Terminal Pitch ! | 0.95 mm |
| Terminal Position | DUAL | Time@Peak Reflow Temperature-Max (s) | 40 |
| Width | 1.6 mm |
數據表 PDF
數據表記錄了器件的特性、絕對最大額定值、應用等，這對於作為器件特定應用的整體指南大有裨益。
常見問題解答
What is MIC2288YD5?
The MIC2288YD5 is a high-efficiency, 2MHz, 0.6A synchronous buck regulator designed by Microchip Technology. It is ideal for applications requiring a compact and efficient DC-DC converter, such as handheld devices, portable instruments, and power management systems.
How Does MIC2288YD5 Work?
The MIC2288YD5 works by efficiently converting input voltage to a lower regulated output voltage using a synchronous buck topology. It operates at a high switching frequency of 2MHz, allowing for the use of small external components and enabling fast transient response. The regulator provides high efficiency and low output voltage ripple, making it suitable for battery-powered applications.
How Many Pins does MIC2288YD5 have and What are the Functions of the Pinout Configuration?
The MIC2288YD5 is housed in a 10-pin TDFN (Thin Dual Flat No-leads) package. The pinout configuration includes:
- VIN: Input voltage pin.
- PGND: Power ground pin.
- SW: Switch pin for the internal MOSFET.
- FB: Feedback pin for setting the output voltage.
- AGND: Analog ground pin.
- EN: Enable pin for turning the regulator on or off.
- SET: Soft-start pin for controlling the start-up time.
- COMP: Compensation pin for stability optimization.
- LX: Inductor connection pin.
- VOUT: Regulated output voltage pin.
What are the Pros and Cons of MIC2288YD5?
Pros:
- High Efficiency: Provides high efficiency to maximize battery life in portable devices.
- Compact Design: Small package and high switching frequency enable a compact solution for space-constrained applications.
- Low Output Ripple: Generates low output voltage ripple for sensitive electronics.
- Wide Input Voltage Range: Supports a wide input voltage range for versatile power supply designs.
- Integrated MOSFETs: Internal synchronous rectification contributes to high efficiency and simplified design.
Cons:
- Thermal Considerations: High-frequency operation may require attention to thermal management in certain applications.
- External Components: Requires careful selection and placement of external components for optimal performance.
- Noisier Operation: Higher switching frequency may lead to potential electromagnetic interference in sensitive circuits.
Are There Any Equivalents/Alternatives to MIC2288YD5 for Recommendation?
- The LT3479 from Analog Devices is a similar high-efficiency synchronous buck regulator with integrated switches.
- Alternatives to the MIC2288YD5 include the TPS62825 from Texas Instruments and the MP2225 from MPS (Monolithic Power Systems).
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