ADP322ACPZ-135 Analog Devices Integrated Circuit (Other) In Stock
Analog Devices ADP322ACPZ-135 is a fixed 1.35 V output synchronous step-down DC-DC controller with high-efficiency switching regulation in a compact CSP package. Designed for low-voltage point-of-load conversion in portable and embedded power rails. Available from stock worldwide with fast global shipping.
- Manufacturer
- Analog Devices
- Package
- Other
- Pin Count
- 17
- Lifecycle
- ACTIVE
- Datasheet
- N/A
- Category
- Integrated Circuit
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of ADP322ACPZ-135?
- Fixed 1.35 V regulated output optimized for powering DDR memory and low-voltage processor core rails directly
- Synchronous step-down controller architecture with external FET support for high-efficiency conversion across wide load current ranges
- Compact CSP (Chip Scale Package) footprint enables minimal PCB area for point-of-load voltage regulation in space-constrained designs
What is ADP322ACPZ-135 used for?
The ADP322ACPZ-135 is designed for point-of-load power conversion in embedded systems, providing a regulated 1.35 V rail for DDR3L/LPDDR3 memory interfaces and low-core-voltage processors. It suits portable industrial equipment, communications modules, and DSP boards requiring stable low-voltage power with high conversion efficiency. The synchronous controller topology with external FETs allows designers to optimize switch performance and thermal dissipation for their specific load current requirements.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
What are equivalent replacements for ADP322ACPZ-135?
Compatible alternatives and drop-in replacements for ADP322ACPZ-135:
Frequently Asked Questions
What fixed output voltage does the ADP322ACPZ-135 provide, and which memory standards does it support?
The ADP322ACPZ-135 is fixed at 1.35 V output, directly matching the DDR3L and LPDDR3 memory supply voltage specification of 1.35 V. Using a fixed output eliminates the external feedback resistor divider required by adjustable regulators, reducing component count and simplifying board layout for memory power rails.
How does the synchronous step-down topology of the ADP322ACPZ-135 improve efficiency compared to a non-synchronous buck?
A synchronous step-down controller replaces the traditional catch diode with a low-side MOSFET switch, reducing conduction losses from the diode forward voltage drop of typically 0.4 V to 0.7 V. This improvement is most significant at high load currents above 1 A, where diode losses can reduce overall converter efficiency by several percentage points in non-synchronous designs.
For a compact PCB layout, how does the CSP package of ADP322ACPZ-135 compare to traditional SOIC regulators?
The chip scale package (CSP) of the ADP322ACPZ-135 has a die-level footprint typically below 2 mm x 2 mm, compared to an SOIC-8 body of 5 mm x 4 mm. This size reduction of more than 60% in occupied PCB area allows the regulator to fit in dense layouts alongside the memory or processor it powers, shortening power delivery traces and reducing parasitic inductance.
In which embedded computing or communications applications would ADP322ACPZ-135 be a preferred choice for power regulation?
The ADP322ACPZ-135 is preferred in embedded computing modules, network switches, and software-defined radio boards where a dedicated 1.35 V DDR memory rail is needed alongside a processor core supply. Its synchronous controller allows selection of external FETs rated for the exact current requirements—from 500 mA to several amperes—making it adaptable to designs ranging from IoT gateways to high-density server memory subsystems.
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Why Buy from FindMyChip
About Analog Devices
Analog Devices (ADI) is a global leader in high-performance analog, mixed-signal, and digital signal processing integrated circuits used in virtually all types of electronic equipment.
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