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- 2022-09-01
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Alpha & Omega AOZ29303QI Step-Down Integrated DC-DC Power Module Datasheet
The AOZ29303QI is a highly integrated step‑down DC‑DC power module that combines a buck converter, inductor and passive components in a compact QFN package. It operates from 4.5 V to 30 V input and delivers up to 3 A continuous output with up to 93 % peak efficiency and 87 % duty‑cycle capability.
The device is configurable via external components: output voltage is set with a resistor divider, soft‑start with a capacitor, and switching frequency (200 kHz‑1 MHz) with a resistor. It includes multiple protection features and is supplied in a 9 mm × 6 mm × 3.7 mm QFN‑48L package suitable for industrial, automotive and networking applications. This manual is written in Chinese.
Covers: General Description · Features · Applications · Pin Configuration · Absolute Maximum Ratings · Recommended Operating Conditions
Alpha & Omega AOZ29303QI Step-Down Integrated DC-DC Power Module Datasheet
The AOZ29303QI is a highly integrated step‑down DC‑DC power module that combines a buck converter, inductor and passive components in a QFN 9 mm × 6 mm × 3.7 mm package. It operates from a wide input range of 4.5 V to 30 V and delivers up to 3 A continuous output current with up to 93 % peak efficiency.
The module is configurable via external resistors and capacitors for output voltage, soft‑start, switching frequency (200 kHz‑1 MHz) and loop compensation. It includes protection features such as cycle‑by‑cycle over‑current, short‑circuit, over‑voltage and over‑temperature protection, and is qualified for industrial, automotive and networking applications.
Covers: General Description · Typical Application · Ordering Information · Pin Configuration · Absolute Maximum Ratings · Recommended Operating Conditions
Alpha & Omega AOZ29303QI 30V 3A Step-Down Integrated DC-DC Power Module Datasheet
The AOZ29303QI is a highly integrated step‑down power module that combines a buck converter, inductor, and passive components in a compact QFN package. It operates from a 4.5 V to 30 V input range and delivers up to 3 A continuous output current with up to 93% peak efficiency.
The module is configurable with a few external components: output voltage is set by a resistor divider, soft‑start by an external capacitor, and switching frequency from 200 kHz to 1 MHz by an external resistor. Protection features include cycle‑by‑cycle over‑current, short‑circuit, over‑voltage, and over‑temperature protection.
Covers: General Description · Features · Applications · Pin Configuration · Absolute Maximum Ratings · Recommended Operating Conditions
Latest ALPHA OMEGA manuals
Alpha & Omega AOZ29303QI Step-Down Integrated DC-DC Power Module Datasheet
Datasheet 20 pages · ZHTechnical datasheet for the AOZ29303QI 30 V 3 A step‑down DC‑DC power module with configurable output and high efficiency.
Alpha & Omega AOZ29303QI Step-Down Integrated DC-DC Power Module Datasheet
Datasheet 20 pages · ENThe AOZ29303QI is a 30 V, 3 A buck‑converter module in a compact QFN package with high efficiency and configurable features.
Alpha & Omega AOZ29303QI 30V 3A Step-Down Integrated DC-DC Power Module Datasheet
Datasheet 20 pages · ENThe Alpha & Omega AOZ29303QI is a 30 V, 3 A step‑down DC‑DC power module with wide input range, high efficiency, and configurable features.
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Datasheet
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in ALPHA OMEGA manuals
What is the input voltage range of the AOZ29303QI?
The module operates from 4.5 V up to 30 V input.
From: Alpha & Omega AOZ29303QI Step-Down Integrated DC-DC Power Module Datasheet
How can the output voltage be set?
The output voltage is set using a resistor divider network (R1 and R2).
From: Alpha & Omega AOZ29303QI Step-Down Integrated DC-DC Power Module Datasheet
What is the input voltage range of the AOZ29303QI?
The module operates from 4.5 V to 30 V input.
From: Alpha & Omega AOZ29303QI Step-Down Integrated DC-DC Power Module Datasheet
What is the maximum continuous output current?
It can deliver up to 3 A of continuous output current.
From: Alpha & Omega AOZ29303QI Step-Down Integrated DC-DC Power Module Datasheet
What is the input voltage range of the AOZ29303QI?
The module operates from 4.5 V to 30 V input voltage.
From: Alpha & Omega AOZ29303QI 30V 3A Step-Down Integrated DC-DC Power Module Datasheet
How can the output voltage be set?
The output voltage is set using a resistor divider network.
From: Alpha & Omega AOZ29303QI 30V 3A Step-Down Integrated DC-DC Power Module Datasheet