ADP1706ACPZ-1.8-R7 Analog Devices Integrated Circuit (Small Outline No-lead) In Stock
ADP1706ACPZ-1.8-R7 is a fixed 1.8 V, 1 A LDO regulator in LFCSP-8 with 2.5–5.5 V input and 0.6 V maximum dropout. Ideal for powering noise-sensitive analog and digital circuits. From stock with worldwide shipping.
- Manufacturer
- Analog Devices
- Package
- Small Outline No-lead
- Pin Count
- 8
- Lifecycle
- OBSOLETE
- Datasheet
- ADP1706ACPZ-1.8-R7 Datasheet PDF
- Category
- Integrated Circuit
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Fixed 1.8 V output at up to 1 A continuous current powers a wide range of digital core and analog supply rails
- Low 0.6 V maximum dropout voltage enables efficient regulation from 2.5 V, 3.3 V, and 5 V input supplies
- LFCSP-8 exposed-pad package provides a compact SMT footprint with improved thermal dissipation
- Low-noise LDO architecture minimizes output ripple for noise-sensitive RF, ADC, and FPGA applications
Applications
The ADP1706ACPZ-1.8-R7 is ideal for powering 1.8 V supply rails in FPGAs, microprocessors, ADCs, and RF transceivers from 3.3 V or 5 V input supplies. Its 1 A current capacity and low 0.6 V maximum dropout voltage suit battery-powered portable devices, industrial sensors, and communication modules requiring efficient low-noise voltage regulation. The compact LFCSP-8 package enables high-density PCB layouts in space-constrained embedded designs.
Specifications
| Pbfree Code | No |
| Manufacturer Package Code | CP-8-2 |
| YTEOL | 0 |
| Adjustability | FIXED |
| Dropout Voltage1-Max | 0.6V |
| Dropout Voltage1-Nom | 0.6V |
| Input Voltage Absolute-Max | 6V |
| Input Voltage-Max | 5.5V |
| Input Voltage-Min | 2.5V |
| JESD-30 Code | S-XQCC-N8 |
| JESD-609 Code | e3 |
| Line Regulation-Max | 0.0056% |
| Load Regulation-Max | 0.0178% |
| Number of Functions | 1 |
| Number of Outputs | 1 |
| Operating Temperature TJ-Max | 125°C |
| Operating Temperature TJ-Min | -40 °C |
| Output Current1-Max | 1A |
| Output Voltage1-Max | 1.845V |
| Output Voltage1-Min | 1.755V |
| Output Voltage1-Nom | 1.8V |
| Package Body Material | UNSPECIFIED |
| Package Equivalence Code | SOLCC8,.11,20 |
| Package Shape | SQUARE |
| Package Style | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE |
| Packing Method | TR |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Regulator Type | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR |
| Surface Mount | YES |
| Technology | CMOS |
| Terminal Finish | Matte Tin (Sn) - annealed |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.5mm |
| Terminal Position | QUAD |
| Voltage Tolerance-Max | 2.5% |
| Package | Small Outline No-lead |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 3 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How much input voltage headroom does ADP1706ACPZ-1.8-R7 need above its fixed 1.8 V output?
The ADP1706ACPZ-1.8-R7 requires a minimum input of 2.5 V to regulate its 1.8 V fixed output, based on its 0.6 V maximum dropout voltage. This is compatible with 2.5 V, 3.3 V, and 5 V supply rails, allowing efficient 1.8 V regulation with minimal power dissipated as heat across the full 1 A load range.
Which processor and FPGA core supply rails can ADP1706ACPZ-1.8-R7 support from a 3.3 V system supply?
From a 3.3 V input, ADP1706ACPZ-1.8-R7 delivers a clean 1.8 V output at up to 1 A, suitable for ARM Cortex-M core rails, FPGA I/O banks, DDR memory interfaces, and low-voltage sensor front-ends. Its low dropout of 0.6 V and low-noise output make it a direct fit for mixed-signal and RF subsystems.
What power dissipation must designers account for in ADP1706ACPZ-1.8-R7 at full load from a 5 V input?
At 1 A output with a 5 V input and 1.8 V output, ADP1706ACPZ-1.8-R7 dissipates approximately 3.2 W internally, calculated as (5 V − 1.8 V) × 1 A. The LFCSP-8 exposed thermal pad helps conduct heat to the PCB, but designers should ensure adequate copper pours to keep junction temperature within the rated operating limits.
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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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