Diodes Incorporated AP7384-70Y-13
- Part No.:
- AP7384-70Y-13
- Manufacturer:
- Diodes Incorporated
- Package:
- TO-243AA
- Datasheet:
-
AP7384-70Y-13.pdf
- Description:
- IC REG LIN 7V SOT89 T&R 2.5K
- Quantity:
- Payment:

- Shipping:

Inventory:3,942
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Product details
Overview
AP7384-70Y-13 from Diodes Incorporated is a fixed-output 7.0V ultra-low dropout (ULDO) linear regulator IC designed for high-input-voltage, low-power portable systems. 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 battery life in USB-powered and energy-constrained applications.
For engineers reviewing the AP7384-70Y-13 datasheet, AP7384-70Y-13 pinout, AP7384-70Y-13 application, or AP7384-70Y-13 equivalent, key selection criteria include wide 3.3–40V input range compatibility, thermal shutdown and short-circuit protection, SOT89 package thermal performance (θJA = 125°C/W), and support for low-ESR ceramic output capacitors without stability compensation.
Technical Context
The AP7384-70Y-13 integrates a precision voltage reference, error amplifier, resistor network for fixed 7.0V output, current-limit circuitry (50mA typical limit), chip enable control, and thermal shutdown trigger at +160°C with +20°C hysteresis. Its architecture supports stable regulation across -40°C to +125°C junction temperature.
It achieves 0.05%/V line regulation and 0.5% load regulation over 1–50mA output current, with 60dB PSRR at 1kHz and ±100ppm/°C output voltage temperature coefficient - confirming suitability for precision analog supply rails where input transients and ambient drift must be tightly controlled.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage | Fixed 7.0V ±2% - ensures stable biasing for 7V-tolerant logic, sensors, or RF front-end stages without external feedback. |
| Input Voltage Range | 3.3V to 40V - supports direct connection to unregulated 12V/24V industrial rails or automotive battery inputs with transient headroom. |
| Dropout Voltage | 500mV @ 50mA - enables regulation down to VIN = 7.5V, critical for maintaining 7V output during brownout conditions. |
| Ground Current | 2.5µA @ IOUT = 0A - minimizes standby power loss in always-on metering or IoT wake-up circuits. |
| Thermal Shutdown | Triggers at +160°C with +20°C hysteresis - prevents latch-up during sustained overload or poor PCB heatsinking in SOT89 layout. |
| PSRR | 60dB @ 1kHz - suppresses ripple from noisy DC-DC pre-regulators feeding sensitive analog subsystems. |
| Output Accuracy | ±2% over -40°C to +125°C - meets tight tolerance requirements for calibration-critical sensor signal chains. |
Pinout & Package
AP7384-70Y-13 is housed in a thermally enhanced SOT89-3 surface-mount package (4.6mm × 2.6mm × 1.6mm), optimized for PCB heat dissipation with θJA = 125°C/W. The exposed tab (Pin 3) is electrically connected to GND and serves as the primary thermal path.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | VIN | Main input supply terminal; accepts 3.3–40V; requires ≥1µF ceramic input capacitor for stability. |
| 2 | GND | Analog/digital ground reference; connects to exposed thermal pad for optimal thermal performance. |
| 3 | VOUT | Regulated 7.0V output; drives load up to 50mA; requires ≥2.2µF low-ESR ceramic capacitor for loop stability. |
Key Features
| Feature | Design Value |
|---|---|
| Wide Input Range Support | Operates from 3.3V to 40V - eliminates need for pre-regulation in multi-rail industrial or automotive auxiliary supplies. |
| Ultra-Low Quiescent Current | 2.5µA no-load ground current - extends battery runtime in e-meter sleep modes exceeding 10 years. |
| Ceramic Capacitor Compatibility | Stable with ≥2.2µF X5R/X7R ceramic output caps - reduces BOM cost and board area vs. tantalum or electrolytic alternatives. |
| Integrated Protection | Current limit (50mA), thermal shutdown (+160°C), and short-circuit robustness - enables single-point fault tolerance in field-deployed equipment. |
| High Accuracy Over Temperature | ±2% VOUT tolerance across -40°C to +125°C - avoids recalibration in outdoor metering or under-hood automotive modules. |
Applications
| Smart Electricity Meters | Portable Medical Sensors |
|---|---|
|
Use Scenario: Powering metrology ASICs and real-time clocks in Class 0.2 accuracy e-meters operating continuously from lithium-thionyl chloride batteries. IC Role / Device Role / Timing Role: Primary 7V analog supply regulator for ADC reference buffers and isolated communication interfaces. Use Value: 2.5µA quiescent current enables >12-year battery life; ±2% output accuracy maintains measurement traceability per IEC 62053-21. |
Use Scenario: Supplying low-noise analog front-ends in handheld ECG or pulse oximetry devices powered by single-cell Li-ion. IC Role / Device Role / Timing Role: Clean 7V rail for op-amp instrumentation amplifiers and SAR ADC drivers. Use Value: 60dB PSRR rejects switching noise from adjacent DC-DC converters; 0.5% load regulation preserves signal integrity across varying sensor bias currents. |
| Industrial Control I/O Modules | Automotive Body Electronics |
|
Use Scenario: Regulating 7V for isolated CAN transceiver bias and microcontroller I/O banks in DIN-rail PLC modules exposed to 24V rail transients. IC Role / Device Role / Timing Role: Secondary LDO after 24V buck converter; provides fault-isolated 7V domain. Use Value: 40V absolute max input withstands ISO 7637-2 Pulse 1/2b transients; thermal shutdown prevents failure during enclosure overheating. |
Use Scenario: Powering interior lighting controllers and seat position sensors in 12V vehicle architectures with cold-crank (up to 40V) and load-dump events. IC Role / Device Role / Timing Role: Non-automotive-qualified 7V supply for non-safety-critical cabin electronics. Use Value: 3.3–40V input range covers full automotive battery envelope; SOT89 package allows compact placement near load points. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar ULDO regulator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MCP1703T-7002E/MB | 7.0V fixed output, 250mA rating, 600mV dropout @ 250mA, higher IQ (3µA), SOIC-8 package. | Higher current capacity suits multi-rail systems; SOIC-8 requires more PCB area and has worse θJA (180°C/W). | Select when >50mA load or SOIC footprint compatibility is required; not space-optimized for portable designs. |
| TPS7A2070PDBVR | 7.0V fixed output, 300mA rating, 170mV dropout @ 300mA, 25µA IQ, SOT23-5 package. | Lower dropout enables operation down to 7.17V input; higher IQ increases standby power; smaller SOT23 limits thermal handling. | Choose for ultra-low-dropout needs below 7.5V input; avoid in high-ambient or continuous 50mA loads due to thermal limits. |
Compared with MCP1703T-7002E/MB and TPS7A2070PDBVR, AP7384-70Y-13 offers the best balance of ultra-low IQ (2.5µA), SOT89 thermal performance (125°C/W), and 40V input capability - making it optimal for space-constrained, battery-sensitive applications where 50mA is sufficient and input voltage may exceed 24V.
Availability
AP7384-70Y-13 is available at Aetrix Electronics and suitable for smart electricity meters, portable medical sensors, industrial I/O modules, and automotive body electronics requiring stable component supply with guaranteed long-term manufacturability.
Supply support for AP7384-70Y-13 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 design, manufacturing, and distribution infrastructure across Asia, the Americas, and Europe.
The AP7384 series belongs to Diodes' high-voltage ULDO regulator product line, engineered specifically for battery-powered and industrial equipment needing wide-input, low-quiescent-current regulation without external compensation components.
FAQ
What is the maximum allowable input voltage for AP7384-70Y-13?
The absolute maximum input voltage is 45V, but the recommended operating range is 3.3V to 40V. Operation above 40V risks permanent damage even for brief transients. For automotive applications with load dump (ISO 7637-2 Pulse 5a), external clamping or pre-regulation is required since the device lacks built-in transient protection beyond its 45V rating.
Can AP7384-70Y-13 operate with a 1µF ceramic input capacitor and no output capacitor?
No. The datasheet mandates ≥1.0µF ceramic input capacitance and ≥2.2µF ceramic output capacitance for stability. Omitting the output capacitor causes oscillation and output voltage collapse under load. The device relies on the ESR and capacitance of the output cap to maintain phase margin; low-ESR ceramics are explicitly qualified, but tantalum or aluminum electrolytics are not recommended.
Does AP7384-70Y-13 include an enable pin?
No. AP7384-70Y-13 does not feature an enable (EN) pin. It operates continuously when VIN is within specification. For system-level power sequencing or standby control, an external MOSFET switch on the VIN rail or upstream regulator control is required. This simplifies layout but removes dynamic power gating capability.
Is AP7384-70Y-13 qualified for automotive AEC-Q100 applications?
No. AP7384-70Y-13 is not AEC-Q100 qualified. Diodes offers the AP7384-70V-A variant in TO92 for automotive change control (PPAP-capable, IATF 16949 manufacturing), but the SOT89-3 version (Y suffix) is intended for industrial and consumer applications. For automotive body electronics, users must perform their own qualification or select the designated automotive-grade part number.
AP7384-70Y-13 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- TO-243AA
- Packaging:
- Tape & Reel (TR)
- 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:
- Surface Mount
- Supplier Device Package:
- SOT-89-3
AP7384-70Y-13 FAQ
1.How can I place an order for AP7384-70Y-13 through Aetrix?
Please submit a Request for Quotation (RFQ) for AP7384-70Y-13 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 AP7384-70Y-13 reliable?
The price and inventory of AP7384-70Y-13 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AP7384-70Y-13 is usually 5 days.
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4.How is shipping managed for AP7384-70Y-13?
AP7384-70Y-13 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AP7384-70Y-13 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 AP7384-70Y-13?
For technical support, including AP7384-70Y-13 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AP7384-70Y-13 requirements.
6.How does Aetrix verify that AP7384-70Y-13 is sourced from the original manufacturer or authorized distributors?
All AP7384-70Y-13 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 AP7384-70Y-13 meets industry standards.
7.What is the process for return or replacement of AP7384-70Y-13?
All AP7384-70Y-13 units undergo pre-shipment inspection (PSI). If there is an issue with AP7384-70Y-13, 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 AP7384-70Y-13 part is unused and in its original packaging.
Return procedure for AP7384-70Y-13:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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