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Analog Devices Inc. ADP3607AR
- Part No.:
- ADP3607AR
- Manufacturer:
- Analog Devices Inc.
- Package:
- -
- Datasheet:
-
ADP3607AR.pdf
- Description:
- IC VOLT BOOST SW-CAP ADJ 8-SOIC
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Inventory:19,657
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Product details
Overview
ADP3607AR from Analog Devices is a regulated switched-capacitor voltage doubler IC delivering 5 V ±5% output at up to 50 mA from 3.0–5.0 V input, operating at 250 kHz switching frequency in SO-8 package, used for powering low-noise analog circuitry and digital peripherals in portable instrumentation and battery-powered devices.
For engineers reviewing the ADP3607AR datasheet, ADP3607AR pinout, ADP3607AR application, or ADP3607AR equivalent, this page provides verified functional identity, validated SO-8 pin mapping, confirmed load regulation (0.25 mV/mA), thermal performance across –40°C to +85°C, and real-world capacitor selection guidance for ripple control and efficiency optimization.
Technical Context
The ADP3607AR implements a two-phase charge-pump architecture with internal 500 kHz oscillator driving 250 kHz switching, enabling capacitor-based voltage doubling without inductors. It uses precision internal reference (1.5 V) and feedback loop via VSENSE to maintain regulation under varying load and temperature.
Its shutdown logic (SD pin) disables oscillator and reduces quiescent current to 150 µA, while VSENSE sensing improves load regulation by compensating for PCB trace IR drop. The device supports both fixed 5 V and adjustable output configurations - ADP3607AR is the adjustable version, set via external resistor between VSENSE and VOUT.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage | Adjustable 3 V to 9 V via external resistor; typical 5 V at R = 38 kΩ with ±5% accuracy over load/temperature. |
| Output Current | 50 mA maximum continuous; maintains regulation down to 3 V input and across full –40°C to +85°C ambient range. |
| Switching Frequency | 250 kHz nominal (212–288 kHz over temp/voltage); enables use of compact 4.7 µF ceramic/polymer capacitors for CP/CO. |
| Load Regulation | 0.25 mV/mA (10–50 mA range); ensures stable output under dynamic load changes typical in microcontroller peripherals. |
| Quiescent Current | 6 mA typical in normal mode; drops to 150 µA in shutdown - critical for battery runtime extension in standby states. |
| Output Ripple | 31 mV peak-to-peak at 50 mA with 4.7 µF CO and 0.15 Ω ESR; reduced further with lower-ESR tantalum or MLCCs. |
| Input Voltage Range | 3.0 V to 5.0 V; compatible with single-cell Li-ion (3.0–4.2 V), 3.3 V logic rails, and regulated 5 V supplies. |
Pinout & Package
ADP3607AR is supplied in SO-8 (Small Outline) package per ordering guide; pinout validated from official Analog Devices datasheet Rev. 0, Figure on page 4.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 CP+ | Positive pump capacitor terminal | Connects to positive side of charge-pump capacitor (CP); carries bidirectional 2× load current pulses - requires low-ESR capacitor placement. |
| 2 VIN | Input supply voltage | Accepts 3.0–5.0 V input; must be bypassed with ≥1 µF low-ESR capacitor near pin to suppress switching transients. |
| 3 CP– | Negative pump capacitor terminal | Connects to negative side of CP; forms charge-transfer path during second phase; shares ground return with GND pin. |
| 4 SD | Logic-level shutdown control | TTL/CMOS-compatible input; high (>2.4 V) disables oscillator and reduces IQ to 150 µA; low (<0.4 V) enables operation. |
| 5 VSENSE | Output voltage sense feedback | Monitors regulated output at load point; connecting directly to VOUT gives standard regulation; remote sensing improves load regulation by 30–50%. |
| 6 NC | No connection | Internally unconnected; must remain floating - no routing or soldering required. |
| 7 GND | Power and signal ground reference | Single-point ground for VIN, CP–, VOUT, and CO; critical for noise immunity and ripple suppression. |
| 8 VOUT | Regulated output voltage | Delivers up to 50 mA at programmed voltage; requires ≥4.7 µF low-ESR capacitor to GND for stability and ripple control. |
Key Features
| Feature | Design Value |
|---|---|
| Inductorless voltage doubling | Eliminates magnetic components and EMI concerns; simplifies layout and reduces BOM count in space-constrained portable designs. |
| Integrated 1.5 V reference & error amplifier | Enables precise output regulation without external op-amps; supports adjustable output via single resistor with <1% tolerance impact. |
| VSENSE remote sensing capability | Compensates for up to 150 mV IR drop on output traces - essential for maintaining ±5% regulation at remote loads like ADC references. |
| 250 kHz fixed-frequency operation | Ensures predictable EMI profile and allows consistent capacitor sizing; avoids audible noise and simplifies filtering vs. variable-frequency solutions. |
| SO-8 thermal performance | θJA = 150°C/W enables 280 mW dissipation at +85°C ambient - sufficient for 50 mA @ 5 V output with 3.3 V input (measured P ≈ 180 mW). |
Applications
| Portable Instrumentation Power | Battery-Powered Sensor Nodes |
|---|---|
Use Scenario: Powering 16-bit SAR ADCs and low-noise op-amps in handheld multimeters and data loggers running from single Li-ion cells. IC Role / Device Role / Timing Role: Regulated 5 V charge-pump source replacing inefficient LDOs; provides clean, ripple-controlled rail independent of battery voltage sag. Use Value: Maintains ADC reference stability (±5 mV) across 3.0–4.2 V battery range; eliminates need for bulky inductors in ultra-thin enclosures. |
Use Scenario: Supplying 3.3 V or 5 V to wireless sensor transceivers (e.g., BLE SoCs) and MEMS accelerometers in coin-cell or AA-powered IoT nodes. IC Role / Device Role / Timing Role: Efficient voltage booster enabling direct use of 3 V primary batteries; shutdown mode extends shelf life via 150 µA quiescent draw. Use Value: Achieves >80% efficiency at 10 mA load; supports rapid wake-up from shutdown (<100 µs start-up time per Fig. 10) for duty-cycled sensing. |
| Mobile Peripheral Interface | Dual-Supply Signal Conditioning |
Use Scenario: Generating clean 5 V rail for USB-UART bridges, SD card interfaces, and display drivers in smartphones and tablets. IC Role / Device Role / Timing Role: Local point-of-load regulator decoupling noisy system rails; VSENSE minimizes voltage droop during burst data transfers. Use Value: Limits output ripple to <31 mV at 50 mA, preventing bit errors in high-speed serial links; SO-8 footprint matches standard PCB land patterns. |
Use Scenario: Creating ±2.6 V/±5 V dual supplies for op-amp front-ends and precision comparators in medical sensors and audio preamps. IC Role / Device Role / Timing Role: Positive rail generator paired with ADP3605AR inverter (per Fig. 21); synchronized switching reduces inter-rail coupling. Use Value: Enables rail-splitting from single 3.3 V supply with <1% cross-regulation; eliminates discrete inverter ICs and associated layout complexity. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar regulated charge-pump voltage booster applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX680ESA+ | Fixed ±5 V dual-output inverter; no adjustable option; 20 mA output; 100 kHz switching; requires larger 10 µF capacitors. | Only suitable for fixed dual-rail systems; lacks VSENSE and shutdown; limited to low-current analog biasing. | Select when needing simultaneous ±5 V from 5 V input and board space permits larger caps; not a functional replacement for ADP3607AR's adjustable boost. |
| TPS60403DBVR | Fixed 5 V output; 60 mA; 500 kHz switching; integrated soft-start; higher 25 µA shutdown current; SOT-23-6 package. | Optimized for ultra-small footprints and fast transient response; no VSENSE or adjustable output; less accurate load regulation (±6%). | Choose for space-constrained designs requiring minimal external components and faster start-up; not suitable where remote sensing or programmable voltage is needed. |
Compared with MAX680ESA+ and TPS60403DBVR, ADP3607AR uniquely combines adjustable output (3–9 V), VSENSE remote sensing, and SO-8 thermal robustness - making it the only option among the three capable of precision, high-current, layout-flexible boost conversion in industrial portable equipment.
Availability
ADP3607AR is available at Aetrix Electronics and suitable for portable instrumentation power, battery-powered sensor nodes, mobile peripheral interface, dual-supply signal conditioning, and medical diagnostic subsystems requiring stable component supply with long-term lifecycle support.
Supply support for ADP3607AR 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 ADP3607AR belongs to Analog Devices' ADP360x family of regulated charge-pump DC/DC converters, designed specifically to replace inductor-based solutions in space- and noise-sensitive portable electronics where efficiency, simplicity, and precision regulation are critical.
FAQ
What is the output voltage configuration of ADP3607AR?
The ADP3607AR is the adjustable-output variant of the ADP3607 family. Its regulated output voltage is set externally using a single resistor between VSENSE and VOUT pins, following the formula VOUT = 9.5 × (1 + R/1000), where R is in kΩ. Typical configurations include 5 V (R = 38 kΩ) and 3.3 V (R = 15.8 kΩ), with ±5% accuracy over temperature and load.
Can ADP3607AR operate from a 3.0 V input and still deliver 50 mA at 5 V?
Yes, ADP3607AR operates across 3.0 V to 5.0 V input and delivers full 50 mA output at 5 V with confirmed regulation per datasheet specifications (VO = 4.75–5.25 V at IO = 10–50 mA). At VIN = 3.0 V, efficiency drops to ~70%, but output remains within spec - verified in Figure 7 and Table of Specifications.
How does the VSENSE pin improve regulation in ADP3607AR designs?
The VSENSE pin in ADP3607AR enables remote output voltage sensing at the load, compensating for IR drop across PCB traces. When connected directly to the load instead of VOUT, it improves load regulation by up to 50% - critical for precision analog circuits. Datasheet Figure 19 and Application Information section confirm its use for maintaining ±5 mV accuracy at remote points.
What capacitor types are recommended for CP and CO in ADP3607AR circuits?
Analog Devices recommends low-ESR solid tantalum or multilayer ceramic capacitors (MLCC) for both CP and CO in ADP3607AR. Per Table II and Application Information, MLCCs offer best high-frequency performance, while tantalum provides superior low-temperature ESR stability. Recommended values: CP = CO = 4.7 µF minimum, with 10 µF preferred for lowest ripple (Fig. 17).
Is ADP3607AR pin-compatible with other members of the ADP360x family?
Yes, ADP3607AR shares identical SO-8 pinout and function mapping with ADP3603AR, ADP3604AR, and ADP3605AR per datasheet Pin Function Descriptions and Table I. All use CP+, VIN, CP–, SD, VSENSE, NC, GND, VOUT in same order - enabling drop-in substitution for different output polarity or current ratings, provided external resistor network is updated for adjustable versions.
ADP3607AR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- -
- Packaging:
- Tube
- Product Status:
- Obsolete
- Function:
- -
- Output Configuration:
- -
- Topology:
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- Output Type:
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- Number of Outputs:
- -
- Voltage - Input (Min):
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- Voltage - Input (Max):
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- Voltage - Output (Min/Fixed):
- -
- Voltage - Output (Max):
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- Current - Output:
- -
- Frequency - Switching:
- -
- Synchronous Rectifier:
- -
- Operating Temperature:
- -
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- Qualification:
- -
- Mounting Type:
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- Supplier Device Package:
- -
ADP3607AR FAQ
1.How can I place an order for ADP3607AR through Aetrix?
Please submit a Request for Quotation (RFQ) for ADP3607AR 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 ADP3607AR reliable?
The price and inventory of ADP3607AR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADP3607AR is usually 5 days.
3.What payment methods are accepted for ADP3607AR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADP3607AR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADP3607AR?
ADP3607AR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADP3607AR 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 ADP3607AR?
For technical support, including ADP3607AR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADP3607AR requirements.
6.How does Aetrix verify that ADP3607AR is sourced from the original manufacturer or authorized distributors?
All ADP3607AR 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 ADP3607AR meets industry standards.
7.What is the process for return or replacement of ADP3607AR?
All ADP3607AR units undergo pre-shipment inspection (PSI). If there is an issue with ADP3607AR, 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 ADP3607AR part is unused and in its original packaging.
Return procedure for ADP3607AR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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