My Inquiry
My Account
Analog Devices Inc. ADP2102YCPZ-1.8-R7
- Part No.:
- ADP2102YCPZ-1.8-R7
- Manufacturer:
- Analog Devices Inc.
- Package:
- 8-WFDFN Exposed Pad, CSP
- Datasheet:
-
ADP2102YCPZ-1.8-R7.pdf
- Description:
- IC REG BCK SYNC 1.8V 0.6A 8LFCSP
- Quantity:
- Payment:
- Shipping:
Inventory:4,379
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
ADP2102YCPZ-1.8-R7 from Analog Devices is a synchronous step-down DC-to-DC converter delivering up to 600 mA at a fixed 1.8 V output, operating from 2.7 V–5.5 V input with 3 MHz switching frequency and 95% peak efficiency. It integrates internal P-channel and N-channel MOSFETs, supports power save mode (PSM) for ultra-low quiescent current (0.01 µA in shutdown), and targets low-voltage core power in portable USB-powered systems.
For engineers reviewing the ADP2102YCPZ-1.8-R7 datasheet, ADP2102YCPZ-1.8-R7 pinout, ADP2102YCPZ-1.8-R7 application, or ADP2102YCPZ-1.8-R7 equivalent, key selection criteria include its fixed 1.8 V output, LFCSP-8 package thermal performance (θJA = 54°C/W), valley-current-mode control architecture, MODE/EN logic interface, and compatibility with 1 µH inductors and 2.2 µF ceramic capacitors.
Technical Context
The ADP2102YCPZ-1.8-R7 implements constant on-time (COT) current-mode control with voltage feed-forward, enabling pseudofixed 3 MHz operation independent of input/output voltage variations. Its valley-current sensing eliminates minimum on-time limitations, supporting stable regulation down to 1.8 V at high frequency.
It features dual operating modes: forced continuous conduction mode (CCM) when MODE = high (for low-noise, fixed-frequency operation), and power save mode (PSM) when MODE = low (for light-load efficiency optimization via pulse-skipping and DCM entry). Internal synchronous rectification replaces external diodes, reducing conduction losses and improving thermal efficiency.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage | Fixed 1.8 V ±2% over −40°C to +85°C - ensures stable core supply for submicron processors without external feedback resistors. |
| Max Output Current | 600 mA - sufficient for single-core ARM Cortex-M or DSP subsystems powered from 5 V or USB rails. |
| Input Voltage Range | 2.7 V to 5.5 V - compatible with Li-ion battery (fully charged), USB 2.0/3.0, and 3.3 V/5 V system rails. |
| Switching Frequency | Typical 3 MHz - enables use of compact 1 µH inductors and 2.2 µF ceramic output capacitors, minimizing board area. |
| Efficiency | Up to 95% at medium load - reduces thermal load in space-constrained portable enclosures. |
| Shutdown Current | 0.01 µA - extends battery life during system sleep states in always-on sensor nodes or wearables. |
| Thermal Shutdown | 150°C threshold with 15°C hysteresis - protects against sustained overload or poor PCB heatsinking. |
Pinout & Package
ADP2102YCPZ-1.8-R7 is housed in an 8-lead, 3 mm × 3 mm LFCSP package with exposed pad thermally connected to PGND. The package supports high-density layouts and provides low thermal resistance (θJA = 54°C/W on JEDEC 4-layer board).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| MODE | Mode Control Input | Drives high for forced CCM (low-noise, fixed 3 MHz); drives low for PSM (light-load efficiency optimization). |
| EN | Enable Input | Active-high logic; pulls to GND to shut down IC, reducing input current to 0.01 µA - requires no pull-up resistor. |
| FB/OUT | Feedback / Output Sense | Fixed 1.8 V version: internally tied to output node; no external divider needed - simplifies layout and BOM. |
| AGND | Analog Ground | Reference for error amplifier and internal circuitry; must be connected to PGND at single point near exposed pad. |
| PGND | Power Ground | High-current return path for LX switch and input/output capacitors; connects directly to exposed pad. |
| LX | Switch Node | Drain of internal P-MOSFET and source of N-MOSFET; connects to inductor - requires short, low-inductance trace. |
| PVIN | Power Input (Switch) | Supplies high-side switch and synchronous rectifier; requires ≥2.2 µF ceramic bypass to PGND. |
| AVIN | Analog Input Supply | Supplies internal control circuitry; may be RC-filtered from PVIN or bypassed with 0.01 µF for >300 mA loads. |
Key Features
| Feature | Design Value |
|---|---|
| Internal Synchronous Rectification | Eliminates external Schottky diode, reducing conduction loss and thermal footprint - P-MOSFET RDS(on) ≤ 600 mΩ, N-MOSFET RDS(on) ≤ 400 mΩ. |
| Automatic Power Save Mode (PSM) | Reduces switching frequency under light load (<100 mA typical), cutting quiescent current to ~70 µA and extending battery runtime. |
| Internal Soft Start | 250–800 µs ramp time prevents inrush current and output overshoot during power-up - no external capacitor required. |
| Valley Current Limit Protection | 1 A current limit with hiccup-mode recovery - safeguards against short-circuit or overload without latch-up. |
| Undervoltage Lockout (UVLO) | 2.4 V turn-on threshold with 220 mV hysteresis - prevents erratic startup during brown-out conditions. |
Applications
| USB-Powered Portable Media Players | WLAN Baseband Processors |
|---|---|
Use Scenario: Powering ARM9-based audio decode engine and SDIO interface from USB 5 V rail in battery-backed media player. IC Role / Device Role / Timing Role: Primary 1.8 V core regulator supplying processor I/O and memory interface with fast transient response. Use Value: 3 MHz switching enables <10 mm² total passive area (1 µH + 2×2.2 µF), meeting strict mechanical envelope requirements. | Use Scenario: Generating clean 1.8 V supply for IEEE 802.11n WLAN baseband SoC in gateway device with shared 5 V system rail. IC Role / Device Role / Timing Role: Point-of-load regulator with forced CCM mode selected to minimize conducted EMI into RF front-end. Use Value: Fixed 1.8 V output eliminates feedback resistor tolerance errors, ensuring ±2% accuracy across temperature for stable PLL reference. |
| Digital Camera Image Signal Processor (ISP) | Industrial Handheld Terminals |
Use Scenario: Delivering regulated 1.8 V to CMOS image sensor ISP core in compact digital camera module with Li-ion battery input. IC Role / Device Role / Timing Role: High-efficiency buck converter operating in PSM during standby, transitioning to CCM during burst capture. Use Value: 0.01 µA shutdown current preserves battery charge over weeks of storage; 95% efficiency at 400 mA extends active capture time. | Use Scenario: Powering 1.8 V FPGA configuration logic and serial interface peripherals in ruggedized handheld terminal with 3.7 V Li-ion input. IC Role / Device Role / Timing Role: Robust, thermally efficient regulator with thermal shutdown and UVLO - critical for unattended field deployment. Use Value: LFCSP-8 package with exposed pad achieves 54°C/W θJA, enabling full 600 mA load without derating in sealed plastic enclosure. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar synchronous step-down converter applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TPS62231DRYT | Fixed 1.8 V output; 3 MHz switching; 600 mA rating; 2.05 V–6.0 V input range - wider VIN but higher UVLO (2.05 V). | Requires external soft-start capacitor; lacks MODE pin for CCM/PSM selection - less flexible light-load control. | Preferred where input may dip below 2.7 V; avoid if precise PSM/CCM mode switching is required. |
| RT8059NGQW | Fixed 1.8 V output; 3 MHz; 600 mA; 2.5 V–5.5 V input - tighter input range, lower quiescent current (22 µA in PSM). | No MODE pin; automatic mode transition only; smaller 2 mm × 2 mm QFN-6 package - fewer pins, no AGND/PGND separation. | Selected for ultra-compact designs where ground separation and manual mode control are non-critical. |
Compared with TPS62231DRYT and RT8059NGQW, ADP2102YCPZ-1.8-R7 offers explicit MODE pin control for deterministic CCM/PSM selection, separate AGND/PGND for improved noise immunity, and guaranteed 0.01 µA shutdown - making it optimal for noise-sensitive, battery-critical portable systems requiring design flexibility.
Availability
ADP2102YCPZ-1.8-R7 is available at Aetrix Electronics and suitable for USB-powered devices, WLAN gateways, and industrial handheld terminals requiring stable component supply, long-lifecycle support, and RoHS-compliant packaging.
Supply support for ADP2102YCPZ-1.8-R7 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Analog Devices is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, serving precision instrumentation, industrial automation, communications, and automotive markets.
The ADP2102 product line delivers high-frequency, low-voltage synchronous buck converters optimized for battery-powered portable electronics - emphasizing small solution size, high efficiency across load range, and robust protection features.
FAQ
What is the output voltage tolerance of the ADP2102YCPZ-1.8-R7 over temperature?
The ADP2102YCPZ-1.8-R7 guarantees ±2% output voltage accuracy across the full operating temperature range of −40°C to +85°C. At 25°C, initial accuracy is tighter at ±1%, and load regulation contributes ≤0.5% deviation from no-load to full 600 mA. This stability is achieved through laser-trimmed internal feedback and valley-current-mode control, making ADP2102YCPZ-1.8-R7 suitable for precision core supplies in processors and FPGAs.
Can the ADP2102YCPZ-1.8-R7 operate from a 2.5 V input?
No, the ADP2102YCPZ-1.8-R7 requires a minimum input voltage of 2.7 V per its absolute specifications and UVLO threshold of 2.2 V (rising). Operation below 2.7 V violates the validated input range and risks failure to regulate or enter undervoltage lockout. For 2.5 V input applications, consider alternative regulators such as the ADP2301 or TPS62130 with lower VIN minima.
How does the MODE pin affect efficiency and noise in the ADP2102YCPZ-1.8-R7?
When MODE = high, ADP2102YCPZ-1.8-R7 operates in forced CCM at ~3 MHz, delivering low output ripple (<10 mVpp) but reduced light-load efficiency (~75% at 10 mA). When MODE = low, it enters PSM, skipping pulses to maintain regulation - achieving ~88% efficiency at 10 mA but increasing ripple amplitude and spectral content. Designers select MODE based on priority: low noise (CCM) or battery life (PSM).
Is an external soft-start capacitor required for the ADP2102YCPZ-1.8-R7?
No, the ADP2102YCPZ-1.8-R7 integrates internal soft-start with a fixed 250–800 µs ramp time, eliminating the need for external components. This ensures controlled output voltage rise, prevents inrush current into downstream capacitance, and avoids output overshoot - all without adding BOM cost or layout area. The timing is factory-trimmed and temperature-compensated.
What thermal derating applies to the ADP2102YCPZ-1.8-R7 at 600 mA continuous load?
At 600 mA and 3.6 V input, ADP2102YCPZ-1.8-R7 dissipates ~0.36 W. With θJA = 54°C/W, junction temperature rise is ~19.4°C above ambient. Assuming 85°C max ambient, TJ ≈ 104.4°C - within the 125°C absolute max. No derating is required on a standard 4-layer board with exposed pad soldered to solid ground plane; however, airflow or copper area reduction increases θJA and may necessitate current reduction.
ADP2102YCPZ-1.8-R7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- *
- Package/Case:
- 8-WFDFN Exposed Pad, CSP
- Packaging:
- Cut Tape (CT)
- Product Status:
- Obsolete
- Function:
- -
- Output Configuration:
- -
- Topology:
- -
- Output Type:
- -
- Number of Outputs:
- -
- Voltage - Input (Min):
- -
- Voltage - Input (Max):
- -
- Voltage - Output (Min/Fixed):
- -
- Voltage - Output (Max):
- -
- Current - Output:
- -
- Frequency - Switching:
- -
- Synchronous Rectifier:
- -
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-LFCSP (3x3)
ADP2102YCPZ-1.8-R7 FAQ
1.How can I place an order for ADP2102YCPZ-1.8-R7 through Aetrix?
Please submit a Request for Quotation (RFQ) for ADP2102YCPZ-1.8-R7 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for ADP2102YCPZ-1.8-R7 reliable?
The price and inventory of ADP2102YCPZ-1.8-R7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADP2102YCPZ-1.8-R7 is usually 5 days.
3.What payment methods are accepted for ADP2102YCPZ-1.8-R7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADP2102YCPZ-1.8-R7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADP2102YCPZ-1.8-R7?
ADP2102YCPZ-1.8-R7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADP2102YCPZ-1.8-R7 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for ADP2102YCPZ-1.8-R7?
For technical support, including ADP2102YCPZ-1.8-R7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADP2102YCPZ-1.8-R7 requirements.
6.How does Aetrix verify that ADP2102YCPZ-1.8-R7 is sourced from the original manufacturer or authorized distributors?
All ADP2102YCPZ-1.8-R7 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that ADP2102YCPZ-1.8-R7 meets industry standards.
7.What is the process for return or replacement of ADP2102YCPZ-1.8-R7?
All ADP2102YCPZ-1.8-R7 units undergo pre-shipment inspection (PSI). If there is an issue with ADP2102YCPZ-1.8-R7, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The ADP2102YCPZ-1.8-R7 part is unused and in its original packaging.
Return procedure for ADP2102YCPZ-1.8-R7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
ADP2102YCPZ-1.8-R7 Tags
-
TPS562201DDCR
Texas Instruments
-
MC34063ABD-TR
STMicroelectronics
-
TPS561201DDCR
Texas Instruments
-
MC33063ADR
Texas Instruments
-
MC34063ADR
Texas Instruments
-
TPS560200DBVR
Texas Instruments
-
AP3012KTR-G1
Diodes Incorporated
-
TLV61048DBVR
Texas Instruments
-
AZ34063UMTR-G1
Diodes Incorporated
-
TPS562200DDCR
Texas Instruments
-
AP62300TWU-7
Diodes Incorporated
-
MC34063EBD-TR
STMicroelectronics
Tech Hub
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
