My Inquiry
My Account
Analog Devices Inc. ADP3000ANZ-3.3
- Part No.:
- ADP3000ANZ-3.3
- Manufacturer:
- Analog Devices Inc.
- Package:
- -
- Datasheet:
-
ADP3000ANZ-3.3.pdf
- Description:
- IC REG STEP UP/DOWN 3.3V 8DIP
- Quantity:
- Payment:
- Shipping:
Inventory:645
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
ADP3000ANZ-3.3 from Analog Devices is a micropower step-up/step-down switching regulator delivering fixed 3.3 V output with up to 180 mA load in boost mode (2 V–3.2 V input) and supporting both buck and boost topologies. It operates at 400 kHz, consumes only 500 µA quiescent current in shutdown, and integrates on-chip low-battery detection and user-adjustable current limiting. It is used in space-constrained portable power rails for battery-powered instrumentation.
For engineers reviewing the ADP3000ANZ-3.3 datasheet, ADP3000ANZ-3.3 pinout, ADP3000ANZ-3.3 application, or ADP3000ANZ-3.3 equivalent, key selection criteria include input voltage range (2 V–30 V), output accuracy (±5% over temperature), thermal performance in PDIP-8 package, and compatibility with Schottky diodes and low-ESR tantalum capacitors in compact DC-DC designs.
Technical Context
The ADP3000ANZ-3.3 uses pulse frequency modulation (PFM) with a gated 400 kHz oscillator and internal 1.245 V reference to regulate output via feedback comparator hysteresis. Its dual-transistor switch architecture allows reconfiguration between step-up (SW2 grounded, SW1 driving inductor) and step-down (SW1 tied to VIN, SW2 driving inductor) modes without external topology change.
It features an auxiliary gain block (AO/SET pins) configurable as low-battery detector or error amplifier, and cycle-by-cycle current limiting set via ILIM pin resistor (e.g., 220 Ω yields 400 mA limit). The fixed 3.3 V version internally connects FB to laser-trimmed divider, eliminating external resistors.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage | Fixed 3.3 V ±5% (3.135 V–3.465 V), laser-trimmed on-die resistor network eliminates external feedback components. |
| Input Voltage Range | 2 V–12.6 V (step-up), 2 V–30 V (step-down); supports single-cell Li-ion (2.5 V–4.2 V) and multi-cell alkaline/NiMH inputs. |
| Quiescent Current | 500 µA in shutdown (VFB > 1.43 V); enables >1000-hour battery life in always-on portable instruments. |
| Switching Frequency | 400 kHz typical (350–450 kHz); permits use of <10 µH inductors and <220 µF low-ESR tantalum capacitors for compact layouts. |
| Output Current Capability | 180 mA @ 3.3 V from 2 V input (step-up); 100 mA @ 3 V from 5 V input (step-down); defined by internal switch saturation and thermal limits. |
| Current Limit Accuracy | 400 mA typical with 220 Ω ILIM-to-VIN resistor; temperature coefficient −0.3%/°C ensures stable overcurrent protection across 0°C–70°C. |
| Comparator Hysteresis | 12.5 mV typical; provides inherent loop stability without external compensation networks. |
Pinout & Package
ADP3000ANZ-3.3 is supplied in an 8-lead plastic DIP (PDIP-8, N-8) package with 0.300-inch body width and through-hole mounting. Thermal resistance is 170°C/W (junction-to-ambient), requiring minimal copper area for ≤70°C ambient operation at full load.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| ILIM | Current limit programming input | Connect to VIN directly for max 1.5 A limit; tie to VIN via 220 Ω for 400 mA limit-critical for inductor sizing and thermal management. |
| VIN | Main power input | Accepts 2–30 V; supplies internal circuitry and switch driver; must be decoupled with ≥10 µF low-ESR capacitor near pin. |
| SW1 | Power switch collector | In step-up: drives inductor; in step-down: connected to input rail-requires Schottky catch diode (e.g., 1N5817) and proper PCB routing. |
| SW2 | Power switch emitter | In step-up: tied to GND; in step-down: drives inductor-must not go >0.35 V below ground; requires series Schottky protection if VOUT > 6 V. |
| FB (SENSE) | Feedback input | Internally connected to fixed 3.3 V divider; connect directly to regulated output for closed-loop control-no external resistors needed. |
| GND | Analog/digital ground reference | Common return for all circuits; must be low-impedance plane tied to input/output capacitor grounds to minimize noise and EMI. |
| SET | Auxiliary amplifier non-inverting input | Configures low-battery detector or error amp; bias current 200–400 nA-use high-value dividers (e.g., 33 kΩ) to avoid loading errors. |
| AO | Auxiliary amplifier open-collector output | Sinks ≥300 µA; requires external pull-up for logic-level alert (e.g., MCU wake-up) or linear post-regulation control. |
Key Features
| Feature | Design Value |
|---|---|
| Step-up/step-down topology flexibility | Single IC supports both boost (2 V→3.3 V) and buck (5 V→3.3 V) without changing part number-reduces BOM count and design validation effort. |
| 400 kHz high-frequency switching | Enables use of 6.8 µH inductors (e.g., Sumida CR43-6R8) and 100 µF AVX TPS tantalums-cuts board area by >40% vs. 100 kHz alternatives. |
| On-chip low-battery detector | AO/SET pins form precision comparator with 1.245 V reference-allows programmable trip point (e.g., 2.5 V) for graceful system shutdown in Li-ion applications. |
| User-adjustable current limit | Resistor-programmable switch current (400 mA typical) prevents inductor saturation and thermal runaway-eliminates need for external sense resistors or current-mode ICs. |
| Micropower shutdown mode | 500 µA IQ enables >1-year shelf life in battery-backed data loggers; hysteresis-based PFM maintains regulation without burst-mode noise. |
Applications
| Handheld Test Instrument Power | Single-Cell Li-Ion to 3.3 V Rail |
|---|---|
Use Scenario: Portable multimeter or oscilloscope front-end requiring stable 3.3 V for ADC, microcontroller, and display from 2.5–4.2 V Li-ion cell. IC Role / Device Role / Timing Role: Primary step-up regulator generating regulated 3.3 V output; operates in PFM mode to maintain efficiency across full battery discharge curve. Use Value: Delivers 180 mA at 3.3 V from 2 V input with 75% typical efficiency, enabling >8-hour runtime while occupying <0.5 cm² PCB area with discrete magnetics. | Use Scenario: Wearable health monitor using 3.3 V MCU and BLE radio powered by 1-cell Li-ion (2.7–4.2 V). IC Role / Device Role / Timing Role: Configured in step-down mode to reduce 4.2 V peak battery voltage to 3.3 V; AO pin monitors battery level for low-power sleep entry. Use Value: Maintains 3.3 V regulation down to 2.7 V input with 100 mA output; integrated current limit protects against short-circuit during USB charging transitions. |
| Hard Disk Drive +3.3 V Supply | Pager Baseband Power |
Use Scenario: Auxiliary 3.3 V rail for HDD preamp or servo controller in laptop docking station, fed from 5 V or 12 V system bus. IC Role / Device Role / Timing Role: Step-down converter operating from 5–12 V input; uses SW1/SW2 pins to drive external inductor-diode stage for high-current capability. Use Value: Supplies 100 mA at 3.3 V with <50 mV ripple using 10 µH inductor and 100 µF tantalum-meets HDD analog section noise requirements without LDO post-regulation. | Use Scenario: Low-duty-cycle pager receiving intermittent RF bursts, requiring ultra-low-quiescent 3.3 V supply during standby. IC Role / Device Role / Timing Role: Micropower step-up regulator in PFM mode; shuts down oscillator between bursts to minimize average current draw. Use Value: Achieves 500 µA shutdown IQ and 75% efficiency at 10 mA load-extends coin-cell life to >2 years in always-listening receive mode. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar switching regulator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TPS61040DRVR | Fixed 3.3 V output, 28 V max input, 0.5 A switch current, 500 kHz switching, 20 µA IQ in shutdown | Lower quiescent current but no step-down capability; requires external feedback for adjustable versions | Prefer for ultra-low-IQ battery monitoring systems where only boost is needed and 20 µA shutdown is critical. |
| MAX1703EASA+ | 3.3 V fixed output, 5.5 V max input, 1 A switch current, 1 MHz switching, 120 µA IQ | Restricted to 2–5.5 V input range; lacks step-down mode and integrated current limit programming | Choose when input is strictly 3–5 V (e.g., USB-powered devices) and higher switching frequency justifies smaller passives. |
Compared with ADP3000ANZ-3.3, the TPS61040DRVR offers lower shutdown current but sacrifices buck operation and programmable current limiting, while the MAX1703EASA+ provides higher frequency and lower IQ but cannot regulate from >5.5 V inputs or support step-down topologies-making ADP3000ANZ-3.3 uniquely suited for wide-input, dual-mode portable power.
Availability
ADP3000ANZ-3.3 is available at Aetrix Electronics and suitable for handheld test instruments, single-cell Li-ion power management, hard disk drive auxiliary rails, and pager baseband supplies requiring stable component supply with long-term obsolescence planning.
Supply support for ADP3000ANZ-3.3 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, communications, automotive, and consumer markets since 1965.
The ADP3000 product line was designed for micropower, wide-input-range DC-DC conversion in portable and battery-operated equipment-emphasizing topology flexibility, low quiescent current, and integration of protection and monitoring functions.
FAQ
What is the maximum output current of the ADP3000ANZ-3.3 in step-up mode?
The ADP3000ANZ-3.3 delivers up to 180 mA at 3.3 V from a 2 V input in step-up mode, as verified in Figure 27 of the datasheet. This assumes proper thermal management using the PDIP-8 package and recommended external components (6.8 µH inductor, 100 µF AVX TPS capacitors, and 1N5817 Schottky diode). Higher loads require derating due to junction temperature rise.
Can the ADP3000ANZ-3.3 operate in step-down mode?
Yes, the ADP3000ANZ-3.3 supports step-down operation from input voltages up to 30 V, delivering 100 mA at 3 V from a 5 V input per Figure 31. Pin configuration changes are required: SW1 connects to VIN, SW2 drives the inductor, and FB ties directly to the 3.3 V output. No schematic or bill-of-materials change is needed beyond component value adjustments.
What package type is used for the ADP3000ANZ-3.3?
The ADP3000ANZ-3.3 is packaged in an 8-lead plastic DIP (PDIP-8, N-8) with 0.300-inch width, as confirmed in the Ordering Guide (Page 16) and Outline Dimensions (Figure 36). It is not offered in SOIC or TSSOP variants under this specific part number-only the base ADP3000 has those options.
How is output voltage accuracy specified for the ADP3000ANZ-3.3?
The ADP3000ANZ-3.3 guarantees output voltage within 3.135 V to 3.465 V (±5%) over 0°C to +70°C, as stated in Table 1 under "OUTPUT SENSE VOLTAGE" for ADP3000-3.3. This tolerance includes initial laser trim, line regulation (0.02–0.6%/V), and load regulation effects-no external calibration is required.
Does the ADP3000ANZ-3.3 require external feedback resistors?
No, the ADP3000ANZ-3.3 does not require external feedback resistors. As a fixed-output variant, it integrates laser-trimmed internal resistors connecting the FB pin to the 1.245 V reference, as described in the General Description (Page 1) and Pin Function Descriptions (Page 5). Simply connect FB directly to the 3.3 V output node.
ADP3000ANZ-3.3 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- -
- Packaging:
- Tube
- 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:
- -
- Supplier Device Package:
- -
ADP3000ANZ-3.3 FAQ
1.How can I place an order for ADP3000ANZ-3.3 through Aetrix?
Please submit a Request for Quotation (RFQ) for ADP3000ANZ-3.3 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 ADP3000ANZ-3.3 reliable?
The price and inventory of ADP3000ANZ-3.3 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADP3000ANZ-3.3 is usually 5 days.
3.What payment methods are accepted for ADP3000ANZ-3.3?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADP3000ANZ-3.3 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADP3000ANZ-3.3?
ADP3000ANZ-3.3 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADP3000ANZ-3.3 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 ADP3000ANZ-3.3?
For technical support, including ADP3000ANZ-3.3 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADP3000ANZ-3.3 requirements.
6.How does Aetrix verify that ADP3000ANZ-3.3 is sourced from the original manufacturer or authorized distributors?
All ADP3000ANZ-3.3 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 ADP3000ANZ-3.3 meets industry standards.
7.What is the process for return or replacement of ADP3000ANZ-3.3?
All ADP3000ANZ-3.3 units undergo pre-shipment inspection (PSI). If there is an issue with ADP3000ANZ-3.3, 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 ADP3000ANZ-3.3 part is unused and in its original packaging.
Return procedure for ADP3000ANZ-3.3:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
ADP3000ANZ-3.3 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…
