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SI-8008HFE
Ideal for voltage regulation and power management tasks
SI-8008HFE
Ideal for voltage regulation and power management tasks
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SI-8008HFE DataSheet
Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!
Details
The SI-8008HFE by Silicon Labs is a standout choice for applications requiring a high-efficiency, synchronous buck regulator. With a wide input voltage range of 2.7V to 5.5V, this device offers flexibility in various power supply settings. Its adjustable output voltage from 0.8V to VIN allows for precise power delivery to connected components. The fixed switching frequency of 2.2 MHz ensures rapid response times and minimal external component requirements. Operating with up to 95% efficiency, the SI-8008HFE is optimized for battery-powered devices, portable electronics, and energy-conscious systems. By integrating a low on-resistance power switch, this regulator reduces power loss and thermal output
Key Features
- 1.5A output current by compact power surface mount package.
- High Efficiency 81% (at VIN=15V, Io=0.5A,Vo=5V)
- Requires only four discrete components. (C3: required for soft start.)
- Built-in Oscillation circuit (oscillation frequency : 300kHz (TYP))
- Constant current type overcurrent protection and overheating protection.
- Soft start function. (ON/OFF function available. Output OFF at Low level.)
- Low consumption current at Output OFF.
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
| Pbfree Code | Yes | Rohs Code | Yes |
| Part Life Cycle Code | Obsolete | Part Package Code | TO-220F |
| Pin Count ! | 3 | Reach Compliance Code | compliant |
| ECCN Code | EAR99 | HTS Code ! | 8542.39.00.01 |
| Analog IC - Other Type | SWITCHING REGULATOR | Control Mode | CURRENT-MODE |
| Input Voltage-Max | 40 V | Input Voltage-Min | 4.5 V |
| Input Voltage-Nom | 15 V | JESD-30 Code | R-XZFM-T5 |
| JESD-609 Code | e3 | Number of Functions | 1 |
| Number of Terminals | 5 | Operating Temperature-Max | 85 °C |
| Operating Temperature-Min | -30 °C | Output Current-Max | 5.5 A |
| Package Body Material | UNSPECIFIED | Package Code | ZIP |
| Package Equivalence Code | ZIP5,.15,.17,67TB | Package Shape | RECTANGULAR |
| Package Style | FLANGE MOUNT | Peak Reflow Temperature (Cel) | 260 |
| Qualification Status ! | Not Qualified | Surface Mount ! | NO |
| Switcher Configuration | BUCK | Switching Frequency-Max | 150 kHz |
| Temperature Grade ! | COMMERCIAL EXTENDED | Terminal Finish | MATTE TIN |
| Terminal Form ! | THROUGH-HOLE | Terminal Pitch ! | 1.7 mm |
| Terminal Position | ZIG-ZAG | Time@Peak Reflow Temperature-Max (s) | 40 |
Datasheet PDF
Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.
FAQs
What is SI-8008HFE?
The SI-8008HFE is a low dropout voltage regulator (LDO) designed by Vicor Corporation. It is ideal for applications requiring stable voltage regulation with minimal dropout voltage, such as power management in electronic devices, industrial equipment, and automotive systems.
How Does SI-8008HFE Work?
The SI-8008HFE operates by regulating an input voltage to a lower, stable output voltage with minimal voltage drop across the regulator. It maintains the output voltage within a specified range even when the input voltage fluctuates, ensuring a consistent power supply for connected components. The LDO features low quiescent current, making it suitable for battery-powered devices.
How Many Pins does SI-8008HFE have and What are the Functions of the Pinout Configuration?
The SI-8008HFE is housed in a compact 5-pin SOT-23 package. The pinout configuration includes:
- VIN: Input voltage pin.
- VOUT: Output voltage pin.
- GND: Ground pin.
- NC: No connection pin.
What are the Pros and Cons of SI-8008HFE?
Pros:
- Low Dropout Voltage: Maintains stable output voltage even with small input-output voltage differentials.
- Low Quiescent Current: Operates with minimal current draw when regulating voltage, suitable for power-sensitive applications.
- Compact Package: The 5-pin SOT-23 package offers space-saving benefits for compact designs.
- Stable Voltage Regulation: Provides reliable voltage regulation across varying load conditions.
Cons:
- Heat Dissipation: May require additional heat sinking for high current applications.
- Limited Current Handling: The LDO's current handling capability may be lower compared to some other regulators.
Are There Any Equivalents/Alternatives to SI-8008HFE for Recommendation?
- An equivalent part to the SI-8008HFE is the LP2985 from Texas Instruments.
- Alternatives to the SI-8008HFE include the MCP1702 from Microchip Technology and the LM2937 from Texas Instruments.
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