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Product Detailed Parameters
- Description：IC REG BUCK ADJ 2A SOT563
- 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)：2.3V
- Voltage - Input (Max)：5.5V
- Voltage - Output (Min/Fixed)：0.6V
- Voltage - Output (Max)：3.6V
- Current - Output：2A
- Frequency - Switching：1.3MHz
- Synchronous Rectifier：Yes
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：SOT-563, SOT-666
- Supplier Device Package：SOT-563
- Grade：-
- Qualification：-
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Overview
The AP61203Z6-7 is a synchronous step-down DC/DC converter manufactured by Diodes Incorporated. It operates with an input voltage range of 2.3 V to 5.5 V and delivers up to 2 A of output current. The adjustable output voltage spans from 600 mV to 3.6 V. Key electrical parameters include a switching frequency of 1.3 MHz, a quiescent current of 19 uA, and an operating temperature range from -40°C to +85°C. The device is housed in a compact SOT-563-6 surface-mount package.
Feature Summary
- Synchronous buck topology for high efficiency
- Integrated fixed-frequency PWM control
- Compact SOT-563-6 package design
Applications
- Portable consumer electronics power management
- Battery-powered devices requiring efficient voltage regulation
- General-purpose low-voltage DC-DC conversion
Procurement Notes
Verify the specific suffix 'Z6-7' against official Diodes Incorporated documentation to confirm tape-and-reel packaging quantities and RoHS compliance status. Ensure the component matches the required SOT-563-6 footprint and pinout configuration for your PCB layout. Cross-reference datasheet revisions to validate thermal performance specifications under intended load conditions.
Selection Notes
Select this component when a 2 A output capability within a 5.5 V input limit is required. The 1.3 MHz frequency allows for smaller passive components compared to lower-frequency alternatives. Verify that the maximum output voltage requirement does not exceed 3.6 V, as higher voltages require different part numbers within the series.
Part Context
This part belongs to the AP6120x family of low-voltage synchronous buck converters. It shares the SOT-563-6 form factor with variants like the AP61200Z6 and AP61204QZ6, differing primarily in output voltage ranges and specific feature sets such as shutdown modes or extended temperature ratings.
Replacement Considerations
AP61200Z6-7 offers similar electrical characteristics but may have different fixed output voltage options. AP61204QZ6-7 provides a wider output voltage range up to 5.5 V and supports higher temperatures, though it has a higher quiescent current.
