規格
| 屬性 | 價值 |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Series | ACOT™ |
| Part Status | Active |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Output Type | Adjustable |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 4.5V |
| Voltage - Input (Max) | 23V |
| Voltage - Output (Min/Fixed) | 0.791V |
| Voltage - Output (Max) | 6V |
| Current - Output | 3A |
| Frequency - Switching | 500kHz |
| Synchronous Rectifier | Yes |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
概述
Description
RT6217EHGJ8F is a Richtek Technology high-efficiency synchronous buck regulator (DC-DC converter) in an 8-pin package. It’s used to generate a lower, stable output rail from a higher input supply for mobile/embedded devices (CPU rails, peripherals, etc.).
Key points:
- Integrates high-side and low-side MOSFETs (synchronous rectification) and control logic.
- Adjustable output via external resistor divider; supports enable/shutdown and soft-start.
- Protects against overcurrent, overtemperature, and short-circuit conditions.
- Requires external components: inductor, input and output capacitors, and feedback resistors.
- Suitable for compact, low-power systems needing fast transient response and good efficiency.
Note: exact specs (input range, output voltage range, switching frequency, max current, package details) vary by variant. For precise values, consult the RT6217EHGJ8F datasheet. If you want, I can fetch or summarize the official datasheet.
Key points:
- Integrates high-side and low-side MOSFETs (synchronous rectification) and control logic.
- Adjustable output via external resistor divider; supports enable/shutdown and soft-start.
- Protects against overcurrent, overtemperature, and short-circuit conditions.
- Requires external components: inductor, input and output capacitors, and feedback resistors.
- Suitable for compact, low-power systems needing fast transient response and good efficiency.
Note: exact specs (input range, output voltage range, switching frequency, max current, package details) vary by variant. For precise values, consult the RT6217EHGJ8F datasheet. If you want, I can fetch or summarize the official datasheet.
Equivalent
Equivalents depend on specs. Please provide: Vin range, Vout, Iout, and package/pinout. Do you need pin-for-pin replacements or any similar 2A buck regulator? If pin-compatible, common options in the same 8/6‑pin DFN/SOIC families include TI TPS62160/62175 and Analog Devices ADP2302/ADP2303; Onsemi NCP1521/1522. Note: verify footprint and protection features.
Features
RT6217EHGJ8F is a small, high-efficiency buck DC-DC regulator. Key features:
- Wide input range (approx. 2.5–5.5 V)
- Output adjustable via external feedback network
- High efficiency with fast transient response
- PWM/PFM mode for good light-load efficiency
- Soft-start to prevent inrush
- Enable/shutdown control
- Protection: over-current/short-circuit, over-temperature, UVLO, and over-voltage protection
- 8-pin package (EHGJ8F) suitable for compact designs
- Suitable for portable/consumer devices needing an efficient step-down supply
- Wide input range (approx. 2.5–5.5 V)
- Output adjustable via external feedback network
- High efficiency with fast transient response
- PWM/PFM mode for good light-load efficiency
- Soft-start to prevent inrush
- Enable/shutdown control
- Protection: over-current/short-circuit, over-temperature, UVLO, and over-voltage protection
- 8-pin package (EHGJ8F) suitable for compact designs
- Suitable for portable/consumer devices needing an efficient step-down supply
Pinout
- Pin count: 8 pins
- Function: A synchronous buck DC-DC converter (step-down regulator) with integrated MOSFETs, used to convert a higher input voltage to a regulated lower output; includes typical pins such as VIN, EN, SW, FB, GND, etc.
- Function: A synchronous buck DC-DC converter (step-down regulator) with integrated MOSFETs, used to convert a higher input voltage to a regulated lower output; includes typical pins such as VIN, EN, SW, FB, GND, etc.
Manufacturer
Manufacturer: Richtek Technology Corporation (Richtek).
Type of company: A Taiwan-based semiconductor company that designs and sells power-management ICs (PMICs), including DC-DC converters, LDOs, battery chargers, and LED drivers.
Type of company: A Taiwan-based semiconductor company that designs and sells power-management ICs (PMICs), including DC-DC converters, LDOs, battery chargers, and LED drivers.
Application
RT6217EHGJ8F is a high‑efficiency synchronous buck DC-DC regulator. Typical application areas include:
- Mobile/handheld devices (smartphones, tablets, wearables)
- Notebook and embedded systems
- Consumer electronics (set‑top boxes, streaming devices, Wi‑Fi routers)
- USB-powered peripherals and adapters
- IoT and battery‑powered sensors
- PC motherboards and compact power rails
- Any system requiring compact, efficient step‑down regulation for low‑voltage rails.
- Mobile/handheld devices (smartphones, tablets, wearables)
- Notebook and embedded systems
- Consumer electronics (set‑top boxes, streaming devices, Wi‑Fi routers)
- USB-powered peripherals and adapters
- IoT and battery‑powered sensors
- PC motherboards and compact power rails
- Any system requiring compact, efficient step‑down regulation for low‑voltage rails.
Package
8-pin QFN (DFN-8) package.
