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Analog Devices Inc. ADP1883ARMZ-0.6-R7
- Part No.:
- ADP1883ARMZ-0.6-R7
- Manufacturer:
- Analog Devices Inc.
- Category:
- DC DC Switching Controllers
- Package:
- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
ADP1883ARMZ-0.6-R7.pdf
- Description:
- IC REG CTRLR BUCK 10MSOP
- Quantity:
- Payment:
- Shipping:
Inventory:1,000
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Product details
Overview
ADP1883ARMZ-0.6-R7 from Analog Devices is a synchronous current-mode PWM buck controller with constant on-time architecture, designed for high-efficiency DC/DC conversion in space-constrained applications. It operates at 600 kHz switching frequency, supports input voltage up to 20 V, delivers output as low as 0.8 V with ±1.0% reference accuracy, and integrates power-saving mode (PSM) for light-load efficiency optimization - used in DSP core power supplies and telecom server rails.
For engineers reviewing the ADP1883ARMZ-0.6-R7 datasheet, ADP1883ARMZ-0.6-R7 pinout, ADP1883ARMZ-0.6-R7 application, or ADP1883ARMZ-0.6-R7 equivalent, this page provides verified technical context, validated pin functions, confirmed PSM behavior, real-world efficiency curves at 600 kHz/VOUT = 1.8 V, and direct alternatives for buck controller selection in industrial and networking power designs.
Technical Context
The ADP1883ARMZ-0.6-R7 implements valley current-mode control with pseudo-fixed frequency operation, enabling stable regulation at low duty cycles down to ~4% (VIN = 20 V, VOUT = 0.8 V). Its constant on-time scheme ensures fast transient response without external compensation, while integrated bootstrap diode and precision enable threshold (235–330 mV) simplify system-level sequencing.
It uses resistor-programmable current-sense gain (via DRVL-to-PGND RES pin), supports all-N-channel MOSFET stages, and features hiccup-mode short-circuit protection plus thermal shutdown at 155°C. The 600 kHz variant targets mid-frequency trade-offs between EMI suppression and inductor size reduction in 12 V input systems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Switching Frequency | 600 kHz - balances EMI performance and inductor size for 12 V input telecom/server rails |
| Input Voltage Range (VIN) | 2.75 V to 20 V - supports wide-range industrial and telecom inputs including 12 V and 16.5 V bus rails |
| Reference Voltage Accuracy | ±1.0% at TJ = −40°C to +125°C - ensures tight output regulation across full operating temperature range |
| Power-Saving Mode (PSM) | Enabled - pulse-skipping at light loads improves system efficiency without requiring external circuitry |
| Quiescent Current | 1.1 mA (active), 140 μA (shutdown) - enables low-power standby states in always-on systems |
| Minimum On Time | 82 ns (typical, VIN = 20 V, VOUT = 0.8 V) - supports high step-down ratios (e.g., 20 V → 0.8 V @ 4% duty) |
| Thermal Shutdown Threshold | 155°C with 15°C hysteresis - protects against sustained overload in enclosed enclosures |
Pinout & Package
ADP1883ARMZ-0.6-R7 is housed in a 10-lead MSOP package with exposed pad for thermal enhancement. Pin layout follows standard analog controller topology: high-side drive (DRVH), low-side drive (DRVL), switch node (SW), bootstrap (BST), feedback (FB), and precision enable (COMP/EN).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VIN | High-side MOSFET drain connection | Accepts up to 20 V input; referenced to PGND; requires local ceramic decoupling |
| COMP/EN | Error amplifier output / enable input | Logic-high enable threshold 235–330 mV; clamped at 0.47 V (low) and 2.55 V (high) |
| FB | Non-inverting error amplifier input | Connects to resistor divider; regulates output to 0.8 V reference with ±1.0% accuracy |
| GND | Analog ground reference | Separate from PGND; must be routed to quiet analog ground plane per layout guidelines |
| VDD | Bias supply input (2.75–5.5 V) | Powers internal logic and gate drivers; bypassed with 1 μF to PGND and 0.1 μF to GND |
| DRVL | Low-side N-MOSFET gate driver output | Also sets current-sense gain via external RES resistor to PGND (e.g., 22 kΩ → 6.6 V/V) |
| PGND | Power ground return | Return path for low-side driver and MOSFET source; tied to PCB power ground plane |
| DRVH | High-side N-MOSFET gate driver output | Driven by internal bootstrap circuit; rise/fall times <25 ns/11 ns into 4.3 nF load |
| SW | Switch node | Connection point between high- and low-side MOSFETs; critical for EMI and layout integrity |
| BST | Bootstrap capacitor connection | Internal diode connects VDD to BST; external 0.1 μF ceramic cap required from BST to SW |
Key Features
| Feature | Design Value |
|---|---|
| Constant on-time valley current-mode control | Enables fast transient response and stable operation without loop compensation components |
| Integrated bootstrap diode | Eliminates need for external Schottky diode in most designs, reducing BOM count and layout area |
| Resistor-programmable current-sense gain | Four gain options (e.g., 3.4×, 6.6×, 13.4×, 26.7×) via single RES resistor - simplifies current-limit tuning |
| Start-up into precharged output | Prevents reverse current flow during soft-start, protecting downstream capacitors and loads |
| Thermal overload and hiccup-mode short-circuit protection | Auto-recovery after fault clears; 6 ms hiccup timing prevents thermal runaway under sustained overload |
Applications
| Telecom Power Rails | DSP Core Supply |
|---|---|
|
Use Scenario: Regulating 12 V or 16.5 V backplane input to 1.8 V for high-speed digital signal processors in base station equipment. IC Role / Device Role / Timing Role: Primary synchronous buck controller managing dynamic load steps up to 12 A with sub-10 μs recovery. Use Value: PSM extends battery backup time during idle periods; 600 kHz switching allows compact 0.72 µH inductors per Figure 8. |
Use Scenario: Providing tightly regulated 0.8 V core voltage to FPGA or ASIC in set-top box SoC platforms. IC Role / Device Role / Timing Role: Constant on-time controller delivering ±1.0% output accuracy over −40°C to +125°C junction temperature. Use Value: Minimum on-time of 82 ns supports 20 V → 0.8 V conversion; valley sensing avoids subharmonic oscillation at light loads. |
| Mid-Range Server VRM | Networking Switch ASIC Supply |
|
Use Scenario: Generating 5 V intermediate rail from 12 V input for PCIe interface power in enterprise switches. IC Role / Device Role / Timing Role: High-efficiency buck controller with 95% peak efficiency at 600 kHz (Figure 9) and 5 A load. Use Value: Integrated rectifier reduces conduction loss; 140 μA shutdown current minimizes standby power draw. |
Use Scenario: Delivering 4 V supply to high-speed SerDes blocks in 10/25 GbE line cards with strict ripple requirements. IC Role / Device Role / Timing Role: Synchronous controller with 340 ns minimum off-time enabling >65% max duty cycle for 12 V → 4 V conversion. Use Value: Low 16 ns DRVL fall time ensures clean gate drive; FB leakage <50 nA preserves feedback accuracy under high-impedance dividers. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar synchronous buck controller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADP1882ARMZ-0.6-R7 | No power-saving mode (PSM); fixed PWM operation only | Suitable where continuous switching is required for EMI predictability or noise-sensitive analog sections | Select when PSM-induced frequency variation is unacceptable; otherwise ADP1883ARMZ-0.6-R7 offers superior light-load efficiency |
| TPS54620RGYR | Fixed 600 kHz frequency, no valley current sensing; requires external compensation network | Targeted at cost-sensitive industrial applications with less stringent transient response demands | Choose if design already uses TI ecosystem tools; ADP1883ARMZ-0.6-R7 provides better transient immunity and no compensation needed |
Compared with ADP1882ARMZ-0.6-R7 and TPS54620RGYR, the ADP1883ARMZ-0.6-R7 uniquely combines PSM, valley current-mode control, and resistor-programmable gain - enabling higher efficiency at partial load, faster load-step recovery, and simplified current-limit calibration without sacrificing 600 kHz EMI performance.
Availability
ADP1883ARMZ-0.6-R7 is available at Aetrix Electronics and suitable for telecom infrastructure, server VRMs, and networking ASIC power supplies requiring stable component supply, long-term lifecycle support, and guaranteed traceable sourcing.
Supply support for ADP1883ARMZ-0.6-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 industrial, automotive, communications, and healthcare markets since 1965.
The ADP1883ARMZ-0.6-R7 belongs to Analog Devices' high-efficiency synchronous buck controller product line, engineered specifically for demanding DC/DC conversion in telecom, server, and networking equipment where thermal density, transient response, and light-load efficiency are critical.
FAQ
What is the switching frequency of the ADP1883ARMZ-0.6-R7?
The ADP1883ARMZ-0.6-R7 is factory-configured for 600 kHz nominal switching frequency, with typical variation of ±10% over temperature and input voltage. This frequency is fixed per part number suffix "-0.6" and does not require external programming resistors or clock sources. The ADP1883ARMZ-0.6-R7 maintains stable operation across its full −40°C to +125°C junction temperature range.
Does the ADP1883ARMZ-0.6-R7 support power-saving mode (PSM)?
Yes, the ADP1883ARMZ-0.6-R7 includes integrated power-saving mode (PSM), which enables pulse-skipping operation at light loads to maintain output regulation while improving system efficiency. This feature is intrinsic to the ADP1883 variant and is not present in the ADP1882ARMZ-0.6-R7. PSM activation is automatic and requires no external control signals.
What is the minimum output voltage supported by the ADP1883ARMZ-0.6-R7?
The ADP1883ARMZ-0.6-R7 supports a minimum regulated output voltage of 0.8 V, set by its internal reference voltage with ±1.0% accuracy over −40°C to +125°C. This allows direct generation of low-voltage rails for modern DSPs, FPGAs, and ASIC cores without external amplification or trimming circuits.
How is current sensing implemented in the ADP1883ARMZ-0.6-R7?
The ADP1883ARMZ-0.6-R7 uses low-side MOSFET RDS(on) sensing with resistor-programmable gain. A single external resistor (RES) connected from DRVL to PGND selects one of four gain settings: ~3.4×, ~6.6×, ~13.4×, or ~26.7×. This eliminates the need for a discrete current-sense resistor and enables precise current-limit adjustment without changing PCB layout.
What package type and thermal characteristics does the ADP1883ARMZ-0.6-R7 have?
The ADP1883ARMZ-0.6-R7 is packaged in a 10-lead MSOP with exposed thermal pad. Its thermal resistance is θJA = 171.7°C/W on a 4-layer board, supporting continuous operation up to +125°C junction temperature. The device includes thermal shutdown at 155°C with 15°C hysteresis, ensuring robust reliability in thermally constrained environments.
ADP1883ARMZ-0.6-R7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Output Type:
- Transistor Driver
- Function:
- Step-Down
- Output Configuration:
- Positive
- Topology:
- Buck
- Number of Outputs:
- 1
- Output Phases:
- 1
- Voltage - Supply (Vcc/Vdd):
- 2.75V ~ 20V
- Frequency - Switching:
- 600kHz
- Duty Cycle (Max):
- 65%
- Synchronous Rectifier:
- Yes
- Clock Sync:
- No
- Serial Interfaces:
- -
- Control Features:
- Enable
- Operating Temperature:
- -40°C ~ 125°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 10-MSOP
ADP1883ARMZ-0.6-R7 FAQ
1.How can I place an order for ADP1883ARMZ-0.6-R7 through Aetrix?
Please submit a Request for Quotation (RFQ) for ADP1883ARMZ-0.6-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 ADP1883ARMZ-0.6-R7 reliable?
The price and inventory of ADP1883ARMZ-0.6-R7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADP1883ARMZ-0.6-R7 is usually 5 days.
3.What payment methods are accepted for ADP1883ARMZ-0.6-R7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADP1883ARMZ-0.6-R7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADP1883ARMZ-0.6-R7?
ADP1883ARMZ-0.6-R7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADP1883ARMZ-0.6-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 ADP1883ARMZ-0.6-R7?
For technical support, including ADP1883ARMZ-0.6-R7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADP1883ARMZ-0.6-R7 requirements.
6.How does Aetrix verify that ADP1883ARMZ-0.6-R7 is sourced from the original manufacturer or authorized distributors?
All ADP1883ARMZ-0.6-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 ADP1883ARMZ-0.6-R7 meets industry standards.
7.What is the process for return or replacement of ADP1883ARMZ-0.6-R7?
All ADP1883ARMZ-0.6-R7 units undergo pre-shipment inspection (PSI). If there is an issue with ADP1883ARMZ-0.6-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 ADP1883ARMZ-0.6-R7 part is unused and in its original packaging.
Return procedure for ADP1883ARMZ-0.6-R7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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