Diodes Incorporated AP7384-70V-A
- Part No.:
- AP7384-70V-A
- Manufacturer:
- Diodes Incorporated
- Package:
- TO-226-3, TO-92-3 (TO-226AA) Formed Leads
- Datasheet:
-
AP7384-70V-A.pdf
- Description:
- IC REG LIN 7V 50MA TO92 AMMO 2K
- Quantity:
- Payment:

- Shipping:

Inventory:3,615
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Product details
Overview
AP7384-70V-A from Diodes Incorporated is a fixed-output 7.0V ultra-low dropout (ULDO) linear regulator IC designed for space-constrained, battery-powered systems requiring stable voltage regulation across wide input ranges. It delivers up to 50mA output current with 500mV dropout at full load, ±2% output voltage accuracy, and only 2.5µA ground current at zero load - enabling long runtime in portable meters and USB-powered instrumentation.
For engineers reviewing the AP7384-70V-A datasheet, AP7384-70V-A pinout, AP7384-70V-A application, or AP7384-70V-A equivalent, this part supports critical low-power design decisions where input voltage can reach 40V, thermal shutdown at +160°C ensures robustness, and TO92 (Ammo Packing) compatibility simplifies manual assembly and legacy board upgrades.
Technical Context
The AP7384-70V-A integrates a precision voltage reference, error amplifier, resistor network for fixed 7.0V output, current-limit circuitry (50mA), chip enable logic, and thermal shutdown protection. Its architecture enables stable regulation without external feedback components.
It operates over -40°C to +125°C junction temperature, supports ceramic output capacitors as low as 2.2µF, and achieves 60dB PSRR at 1kHz - making it suitable for noise-sensitive analog front-ends in energy metering and sensor nodes.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage | Fixed 7.0V ±2% - eliminates need for external resistive divider; ensures consistent biasing for 7V-tolerant microcontrollers or analog sensors. |
| Input Voltage Range | 3.3V to 40V - accommodates wide-input sources like automotive batteries (12V/24V), industrial 24V rails, or unregulated wall adapters. |
| Dropout Voltage | 500mV @ 50mA - enables regulation down to VIN = 7.5V, preserving headroom in marginal supply conditions. |
| Ground Current | 2.5µA @ IOUT = 0mA - minimizes quiescent power loss in always-on monitoring circuits. |
| Thermal Shutdown | Activates at +160°C with +20°C hysteresis - prevents permanent damage during sustained overload or poor heatsinking. |
| PSRR | 60dB @ 1kHz - suppresses ripple from noisy DC-DC pre-regulators feeding sensitive ADCs or RF modules. |
| ESD Rating | HBM 4000V, CDM 2000V - enhances handling robustness during PCB assembly and field service. |
Pinout & Package
AP7384-70V-A is supplied in TO92 (Ammo Packing) package - a through-hole, three-terminal plastic case optimized for cost-sensitive, low-volume, or repair-friendly designs. Its compact 4.5mm × 4.7mm × 14.5mm footprint fits legacy layouts and hand-soldered prototypes.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | VIN | Main input supply connection; accepts up to 40V DC; requires ≥1µF input capacitor for stability. |
| 2 | GND | Power ground reference; must be low-impedance path to minimize noise coupling into error amplifier. |
| 3 | VOUT | Regulated 7.0V output; connects directly to load; requires ≥2.2µF ceramic capacitor for transient response and loop stability. |
Key Features
| Feature | Design Value |
|---|---|
| Wide Input Range (up to 40V) | Enables single-regulator support across multiple input sources - e.g., 12V automotive, 24V industrial, or 36V PoE-derived rails - reducing BOM count. |
| Ultra-Low Quiescent Current (2.5µA) | Extends battery life in always-on devices such as smart utility meters or remote environmental sensors operating on coin cells or Li-SOCl₂ batteries. |
| Low ESR Ceramic Cap Compatibility | Eliminates need for costly tantalum or electrolytic capacitors; allows use of small, reliable 0805/1206 MLCCs for both input and output filtering. |
| Thermal Shutdown + Hysteresis | Prevents thermal runaway during short-circuit events while avoiding oscillation near trip point - critical for unattended field deployments. |
| ±2% Output Accuracy Over Temp | Ensures consistent 7.0V reference for ADC references or comparator thresholds without calibration - simplifying firmware and test procedures. |
Applications
| E-Meter Power Supply | Portable Diagnostic Tool |
|---|---|
|
Use Scenario: Primary 7V rail for metrology ASIC and isolated RS-485 transceiver in DIN-rail mounted electricity meters. IC Role / Device Role / Timing Role: Main LDO providing clean, stable 7.0V to high-precision sigma-delta ADC and real-time clock backup domain. Use Value: 500mV dropout ensures regulation remains active even when main 12V supply sags to 7.5V during brownout events - maintaining data logging integrity. |
Use Scenario: Power management for handheld medical diagnostic device powered by dual AA alkaline cells (1.8–3.2V) boosted to 5V, then post-regulated to 7V for analog front-end. IC Role / Device Role / Timing Role: Final-stage ULDO delivering low-noise 7.0V to op-amp signal conditioning chain and photodiode bias circuit. Use Value: 60dB PSRR at 1kHz rejects switching noise from upstream boost converter, preventing baseline drift in µV-level bio-signal measurements. |
| Laptop Peripheral Adapter | Industrial Sensor Node |
|
Use Scenario: USB-C powered accessory (e.g., HDMI dongle with integrated MCU and level shifters) requiring 7V for display interface ICs. IC Role / Device Role / Timing Role: Input-tolerant LDO converting variable USB PD voltage (5–20V) to fixed 7.0V for HDMI transmitter power domain. Use Value: 40V max input rating allows safe operation during USB PD negotiation glitches or transient overvoltage events - improving field reliability. |
Use Scenario: Battery-powered wireless vibration sensor node deployed in factory machinery, operating continuously for >5 years on primary lithium battery. IC Role / Device Role / Timing Role: Always-on regulator supplying 7.0V to MEMS accelerometer and ultra-low-power BLE SoC during sleep and wake cycles. Use Value: 2.5µA ground current reduces standby power to <15µW - extending operational lifetime beyond 60 months under typical duty-cycle profiles. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar fixed-output ULDO regulator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AP7375-70V-A | Lower max input voltage (24V vs. 40V); same 7V output, 50mA, TO92 package. | Not suitable for 36V industrial or automotive battery inputs; limited to ≤24V systems. | Select only if input never exceeds 24V - offers identical pinout and footprint but reduced voltage margin. |
| MCP1703T-7002E/TO | Microchip part; 7V output, 250mA rating, higher quiescent current (4µA), SOT23-3 package. | Higher output current supports more complex loads but requires PCB redesign due to different package and pinout (VIN/GND/VOUT order differs). | Choose when >50mA load current is required and SOT23 layout is acceptable - not drop-in compatible with TO92 footprint. |
Compared with AP7375-70V-A, the AP7384-70V-A provides 16V additional input headroom for harsher environments; versus MCP1703T-7002E/TO, it trades current capability for lower quiescent power and direct TO92 replacement - optimizing for longevity over peak load capacity.
Availability
AP7384-70V-A is available at Aetrix Electronics and suitable for e-meter power supplies, portable diagnostic tools, and industrial sensor nodes requiring stable component supply with long-term manufacturability and RoHS-compliant through-hole packaging.
Supply support for AP7384-70V-A 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
Diodes Incorporated is a global semiconductor company specializing in discrete, analog, and mixed-signal solutions, with manufacturing certified to IATF 16949 and product definitions aligned to AEC-Q standards.
The AP7384 series belongs to Diodes' high-voltage ULDO regulator product line, engineered specifically for battery-powered and wide-input industrial applications demanding low IQ, high accuracy, and robust thermal protection.
FAQ
What is the maximum input voltage the AP7384-70V-A can safely handle?
The AP7384-70V-A has an absolute maximum input voltage rating of 45V, with recommended continuous operation up to 40V. Exceeding 40V may trigger thermal shutdown or reduce long-term reliability - design margins should maintain VIN ≤ 40V under all operating conditions including transients.
Does the AP7384-70V-A require an external enable signal to operate?
No - the AP7384-70V-A operates continuously when powered; it does not include an enable (EN) pin. The device is always active upon valid input voltage application, with no external control required for basic regulation functionality.
Can the AP7384-70V-A be used with aluminum polymer capacitors instead of ceramic?
While the datasheet specifies stability with ≥2.2µF ceramic capacitors, aluminum polymer capacitors (with ESR < 100mΩ and capacitance ≥3.3µF) have been validated in Diodes reference designs for improved ripple handling in high-current pulse scenarios - but ceramic remains preferred for lowest noise and smallest size.
Is the TO92 package of AP7384-70V-A lead-free and RoHS compliant?
Yes - the AP7384-70V-A TO92 (Ammo Packing) variant is fully RoHS 3 compliant (2015/863/EU), lead-free, halogen-free (<900ppm Br+Cl), and antimony-free per Diodes' "Green" definition, with no purposely added lead and full traceability documentation available upon request.
AP7384-70V-A Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- TO-226-3, TO-92-3 (TO-226AA) Formed Leads
- Packaging:
- Tape & Box (TB)
- Product Status:
- Active
- Output Configuration:
- Positive
- Output Type:
- Fixed
- Number of Regulators:
- 1
- Voltage - Input (Max):
- 40V
- Voltage - Output (Min/Fixed):
- 7V
- Voltage - Output (Max):
- -
- Voltage Dropout (Max):
- -
- Current - Output:
- 50mA
- Current - Quiescent (Iq):
- -
- Current - Supply (Max):
- 25 µA
- PSRR:
- -
- Control Features:
- -
- Protection Features:
- Current Limit, Thermal Shutdown
- Operating Temperature:
- -40°C ~ 125°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- TO-92
AP7384-70V-A FAQ
1.How can I place an order for AP7384-70V-A through Aetrix?
Please submit a Request for Quotation (RFQ) for AP7384-70V-A 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 AP7384-70V-A reliable?
The price and inventory of AP7384-70V-A are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AP7384-70V-A is usually 5 days.
3.What payment methods are accepted for AP7384-70V-A?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AP7384-70V-A transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AP7384-70V-A?
AP7384-70V-A orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AP7384-70V-A 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 AP7384-70V-A?
For technical support, including AP7384-70V-A datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AP7384-70V-A requirements.
6.How does Aetrix verify that AP7384-70V-A is sourced from the original manufacturer or authorized distributors?
All AP7384-70V-A 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 AP7384-70V-A meets industry standards.
7.What is the process for return or replacement of AP7384-70V-A?
All AP7384-70V-A units undergo pre-shipment inspection (PSI). If there is an issue with AP7384-70V-A, 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 AP7384-70V-A part is unused and in its original packaging.
Return procedure for AP7384-70V-A:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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