ADP2119ACPZ Analog Devices Integrated Circuit (Small Outline No-lead) In Stock
ADP2119ACPZ is a high-efficiency synchronous step-down DC-to-DC regulator from Analog Devices, delivering up to 1 A output current with 2.3 V to 5.5 V input range. It achieves up to 95% efficiency in a compact CSP package. Available from stock worldwide with fast shipping.
- Manufacturer
- Analog Devices
- Package
- Small Outline No-lead
- Pin Count
- 11
- Lifecycle
- ACTIVE
- Datasheet
- ADP2119ACPZ Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $8.2612(MOQ 23)
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- High efficiency up to 95% with synchronous rectification at 1 A output current
- Wide input voltage range of 2.3 V to 5.5 V for flexible power supply designs
- Compact LFCSP package enabling space-constrained portable and IoT applications
- Adjustable output voltage and integrated power switches reduce external component count
Applications
The ADP2119ACPZ is well-suited for battery-powered portable devices, IoT sensor nodes, and handheld instruments requiring efficient DC-DC step-down conversion. Its 1 A output current and 2.3 V to 5.5 V input range make it ideal for single-cell Li-ion or multi-cell alkaline battery systems. It is also used in wireless communication modules and low-power embedded systems where board space is at a premium.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for ADP2119ACPZ:
suggested
suggested
suggested
suggested
Switching Regulator, Current-mode, 3.5A, 1380kHz Switching Freq-Max, PDSO10
Switching Regulator, Current-mode, 3.5A, 1380kHz Switching Freq-Max, PDSO10
Switching Regulator, Current-mode, 3.5A, 1380kHz Switching Freq-Max, PDSO10
Switching Regulator, Current-mode, 3.5A, 1380kHz Switching Freq-Max, PDSO10
Frequently Asked Questions
What is the maximum output current the ADP2119ACPZ can deliver?
The ADP2119ACPZ can deliver a maximum output current of 1 A continuously. This makes it suitable for powering microcontrollers, FPGAs, and RF modules that draw up to 1 A at regulated voltages between 0.8 V and 5 V.
Which input voltage range is supported by ADP2119ACPZ, and how does it affect battery compatibility?
The ADP2119ACPZ accepts an input voltage range of 2.3 V to 5.5 V, making it directly compatible with single-cell Li-ion batteries (nominally 3.7 V) and USB 5 V rails. This 2.3 V minimum ensures operation even at a deeply discharged Li-ion cell, extending usable battery life in portable equipment.
How does the ADP2119ACPZ achieve high conversion efficiency, and what is the typical efficiency value?
The ADP2119ACPZ uses synchronous rectification with integrated PMOS and NMOS switches, achieving up to 95% conversion efficiency at typical load conditions. This reduces power dissipation and heat generation compared to non-synchronous regulators, which is critical in thermally constrained enclosures.
When would ADP2119ACPZ be preferred over a linear LDO regulator in a 3.3 V to 1.8 V conversion design?
At a 3.3 V input stepping down to 1.8 V at 500 mA, a linear LDO dissipates approximately 750 mW as heat, while the ADP2119ACPZ operating at 90% efficiency dissipates only about 90 mW. This 8x reduction in thermal dissipation eliminates the need for heat sinking and enables higher power density in compact PCB designs.
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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.
More from Analog Devices
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 23+ | $8.9329 | $205.46 |
| 30+ | $8.5971 | $257.91 |
| 37+ | $8.2612 | $305.66 |
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