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Product Detailed Parameters
- Description：IC REG BUCK ADJ 3A TSOT26
- Series：-
- Mfr：Diodes Incorporated
- Package：Tape & Reel (TR),Cut Tape (CT)
- Function：Step-Down
- Output Configuration：Positive
- Topology：Buck
- Output Type：Adjustable
- Number of Outputs：1
- Voltage - Input (Min)：3.8V
- Voltage - Input (Max)：32V
- Voltage - Output (Min/Fixed)：0.8V
- Voltage - Output (Max)：31V
- Current - Output：3A
- Frequency - Switching：500kHz
- Synchronous Rectifier：Yes
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：SOT-23-6 Thin, TSOT-23-6
- Supplier Device Package：TSOT-26
- Grade：-
- Qualification：-
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Overview
The AP63300WU-7 is a synchronous buck DC-DC converter manufactured by Diodes Incorporated. It provides a continuous output current of 3 A with an input voltage range of 3.8 V to 32 V and an adjustable output voltage from 800 mV to 31 V. The device integrates high-side and low-side power MOSFETs, operates at a switching frequency of 500 kHz, and draws a typical quiescent current of 22 uA. It is housed in a TSOT-26-6 package and supports operation between -40°C and +85°C.
Feature Summary
- Integrates high-side and low-side power MOSFETs for efficient step-down conversion
- Utilizes proprietary gate driver technology to suppress switching node ringing and reduce EMI noise
- Supports LDO mode operation via special gate drive design for near 100% duty cycle capability
Applications
- Battery-powered portable devices requiring wide input voltage tolerance
- Industrial systems needing robust high-voltage buck regulation
- Embedded applications utilizing ceramic output capacitors with low ESR
Procurement Notes
Verify the specific suffix 'WU' against the manufacturer's official datasheet to confirm pinout compatibility and thermal characteristics. Ensure the component meets RoHS standards if required by your assembly process. Cross-reference the part number with authorized distributors to confirm authenticity and traceability before procurement.
Selection Notes
Select this component when a 3 A output current is required within a compact TSOT-26-6 footprint. It is suitable for designs demanding a wide 32 V input range and integrated EMI reduction features. Consider the 500 kHz switching frequency for balancing efficiency and external component size compared to higher-frequency alternatives.
Part Context
This part belongs to the AP63300/01 family of synchronous buck converters from Diodes Incorporated. These devices are designed for high-efficiency power management in space-constrained applications. The family shares similar architectural features, including integrated power switches and advanced EMI suppression techniques tailored for modern electronic systems.
Replacement Considerations
The AP63301WU-7 serves as a direct functional substitute within the same package, offering identical electrical specifications and pinouts while providing a 3 A output current rating.
