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Product Detailed Parameters
- Description：IC REG BUCK 3.3V 2A TSOT23-6
- Series：-
- Mfr：Diodes Incorporated
- Package：Tape & Reel (TR),Cut Tape (CT)
- Function：Step-Down
- Output Configuration：Positive
- Topology：Buck
- Output Type：Fixed
- Number of Outputs：1
- Voltage - Input (Min)：3.8V
- Voltage - Input (Max)：32V
- Voltage - Output (Min/Fixed)：3.3V
- Voltage - Output (Max)：-
- Current - Output：2A
- Frequency - Switching：1.1MHz
- Synchronous Rectifier：Yes
- Operating Temperature：-40°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Package / Case：SOT-23-6 Thin, TSOT-23-6
- Supplier Device Package：TSOT-23-6
- Grade：-
- Qualification：-
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Overview
The AP63203QWU-7 is a high-voltage synchronous buck converter IC manufactured by Diodes Incorporated. It provides a fixed 3.3V output with a maximum current of 2A. The device operates within an input voltage range of 3.8V to 32V and features a switching frequency of 1.1MHz. It utilizes a TSOT-23-6 package and supports an extended operating temperature range from -40°C to +125°C, suitable for automotive and industrial applications.
Feature Summary
- Integrated synchronous rectification with built-in high-side and low-side power MOSFETs for efficient DC/DC conversion.
- Peak current mode control architecture with integrated compensation network to minimize external component count.
- Extended thermal performance capability supporting operation up to +125°C junction temperature.
- Comprehensive protection suite including hiccup-mode short-circuit protection, over-current protection, and thermal shutdown.
Applications
- Automotive infotainment systems requiring robust power regulation under wide input voltage variations.
- Industrial control modules utilizing 12V or 24V bus architectures.
- Point-of-load conversion in telecommunications infrastructure equipment.
- Battery-powered devices requiring efficient step-down regulation from higher voltage sources.
Procurement Notes
Verify the Q-suffix indicates automotive-grade qualification and extended temperature rating (+125°C) compared to standard commercial variants. Confirm package integrity upon receipt as the TSOT-23-6 form factor is sensitive to mechanical stress during handling. Ensure compatibility with RoHS3 and REACH standards if required by your specific manufacturing environment.
Selection Notes
Select this part when a fixed 3.3V output is required with up to 2A load capacity in space-constrained designs. The wide 32V input tolerance makes it suitable for noisy environments or systems with significant voltage transients. Consider the extended temperature range if the application exceeds standard commercial limits. Evaluate board space requirements against the compact TSOT-23-6 footprint.
Part Context
This component belongs to the AP6320x family of synchronous buck converters from Diodes Incorporated. The family includes variants with different fixed output voltages such as 5V (AP63205) and adjustable options. These devices share common architectural features like peak current mode control and integrated power switches, designed to simplify design-in while maintaining high efficiency across varying load conditions.
Replacement Considerations
Direct pin-compatible substitutes within the same family include AP63205QWU-7 for 5V output requirements. For non-fixed voltage needs, consider the AP63200 series which offers adjustable outputs. Verify that any replacement maintains the same TSOT-23-6 package and meets the required 32V input and 2A output specifications.
