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Diodes Incorporated AP7383-50WR-7
- Part No.:
- AP7383-50WR-7
- Manufacturer:
- Diodes Incorporated
- Package:
- SC-74A, SOT-753
- Datasheet:
-
AP7383-50WR-7.pdf
- Description:
- IC REG LIN 5V 150MA SOT25 T&R 3K
- Quantity:
- Payment:
- Shipping:
Inventory:2,910
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Product details
Overview
AP7383-50WR-7 from Diodes Incorporated is a fixed-output 5.0V, 150mA ultra-low dropout (ULDO) linear regulator in SOT25 (WR) package. It delivers ±1% output voltage accuracy, 500mV dropout at 50mA load, and 1.8–3.0µA ground current across 3.5–30V input range-enabling stable power for USB-powered instrumentation and portable battery systems.
For engineers reviewing the AP7383-50WR-7 datasheet, AP7383-50WR-7 pinout, AP7383-50WR-7 application, or AP7383-50WR-7 equivalent, key selection criteria include dropout performance at 150mA, thermal shutdown threshold (+160°C), EN pin logic compatibility (2.0V high / 0.4V low), and SOT25 (WR) thermal resistance (θJA = 166°C/W).
Technical Context
The AP7383-50WR-7 integrates an error amplifier, precision voltage reference, resistor network for fixed 5.0V output, current-limit circuit (150mA typical), and enable control with 1µA EN pin current. Its architecture supports operation down to 3.5V input while maintaining regulation up to 30V.
Thermal protection includes +160°C shutdown with +20°C hysteresis, and it achieves ±100ppm/°C output voltage temperature coefficient over –40°C to +125°C junction range. Line regulation is 0.05%/V and load regulation is 0.5% across 1–150mA output current.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage | Fixed 5.0V ±1% - ensures stable MCU core/peripheral rail without external feedback. |
| Max Input Voltage | 30V - supports wide-range industrial or automotive-supplied inputs before regulation. |
| Dropout Voltage | 500mV @ 50mA - enables 5.5V minimum input for full 5.0V output under moderate load. |
| Ground Current | 1.8–3.0µA - minimizes quiescent power loss in always-on battery backup circuits. |
| Current Limit | 150mA - protects downstream circuitry during short-circuit or overload events. |
| Thermal Shutdown | +160°C with +20°C hysteresis - prevents permanent damage during sustained high-power dissipation. |
| EN Pin Threshold | 2.0V (high), 0.4V (low) - compatible with 3.3V/5V logic-level microcontroller GPIO control. |
Pinout & Package
SOT25 (WR) package: 5-pin surface-mount, 3.0mm × 2.8mm footprint, exposed pad not electrically connected, θJA = 166°C/W on JEDEC High-K board.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | VIN | Main input supply connection; accepts 3.5–30V DC with internal ESD protection (2500V HBM). |
| 2 | GND | Analog/digital ground reference; must be low-impedance connection to minimize noise and thermal rise. |
| 3 | VOUT | Regulated 5.0V output; requires ≥1µF ceramic capacitor (low-ESR) for stability. |
| 4 | NC | No internal connection; recommended tied to GND for improved PCB thermal conduction. |
| 5 | EN | Active-high enable input; pulls VOUT to high-impedance state when <0.4V applied. |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low quiescent current | 1.8–3.0µA - extends battery life in always-on sensor nodes and portable meters. |
| Low-ESR capacitor compatibility | Stable with ≥1µF ceramic output cap - eliminates need for bulk electrolytic capacitors and saves board space. |
| High line/load regulation | 0.05%/V line, 0.5% load - maintains tight voltage tolerance across varying input and load conditions. |
| Thermal shutdown with hysteresis | +160°C trip, +140°C recovery - prevents thermal runaway while allowing safe restart after cooling. |
| RoHS-compliant & halogen-free | Lead-free, <900ppm Br/Cl, <1000ppm Sb - meets global environmental compliance for industrial and consumer products. |
Applications
| Portable Medical Sensors | USB-Powered Test Equipment |
|---|---|
Use Scenario: Battery-operated pulse oximeter with BLE radio and analog front-end. IC Role / Device Role / Timing Role: Primary 5.0V rail regulator supplying MCU, ADC, and RF transceiver from single-cell Li-ion (3.0–4.2V) via boost converter or dual-cell configuration. Use Value: 500mV dropout allows >95% efficiency at light loads; 1.8µA ground current extends runtime between charges. | Use Scenario: Handheld digital multimeter powered via USB-C port (5V±5%). IC Role / Device Role / Timing Role: Clean 5.0V supply for precision reference ICs and display driver, rejecting USB bus noise and transient spikes. Use Value: Excellent line regulation (0.05%/V) rejects USB voltage ripple; thermal shutdown prevents fault propagation during probe short-circuit events. |
| Industrial Data Loggers | Smart Home Sensor Hubs |
Use Scenario: Remote environmental monitor using LoRaWAN, powered by 24V DC field bus with local LDO conversion. IC Role / Device Role / Timing Role: Secondary 5.0V regulator stepping down from intermediate 12V rail, enabling isolated sensor interface and microcontroller operation. Use Value: 30V max input withstands industrial transients; ±1% accuracy ensures consistent ADC reference scaling across temperature. | Use Scenario: Zigbee-enabled occupancy/motion sensor node with coin-cell backup and main 3.7V LiPo supply. IC Role / Device Role / Timing Role: Always-on 5.0V regulator for RF SoC and wake-up controller, enabled only during active sensing cycles. Use Value: EN pin enables µA-level sleep current; 150mA limit safely powers RF burst transmission without overloading source. |
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 |
|---|---|---|---|
| MCP1703T-5002E/MB | 5.0V, 250mA, 600mV dropout @ 250mA, 2.5µA IQ, SOT23-5 | Higher current capability but larger dropout at full load; no thermal hysteresis spec | Prefer for higher-current loads where 600mV dropout is acceptable and SOT23-5 footprint fits. |
| TPS7A2050PDBVR | 5.0V, 300mA, 175mV dropout @ 300mA, 6.5µA IQ, X2SON-5 | Lower dropout and higher current, but 3.6x higher quiescent current; smaller 1.0mm × 1.0mm package | Choose when ultra-low dropout is critical and PCB area is constrained, accepting higher IQ. |
Compared with MCP1703T-5002E/MB and TPS7A2050PDBVR, the AP7383-50WR-7 offers best-in-class quiescent current (1.8µA) and robust thermal protection (160°C +20°C hysteresis) in a widely supported SOT25 footprint-ideal for long-life battery systems where efficiency and reliability outweigh raw current capacity.
Availability
AP7383-50WR-7 is available at Aetrix Electronics and suitable for portable medical sensors, USB-powered test equipment, and industrial data loggers requiring stable component supply with guaranteed long-term sourcing.
Supply support for AP7383-50WR-7 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 manufacturer of discrete semiconductors and analog ICs, specializing in power management, signal integrity, and protection solutions for industrial, computing, and consumer markets.
The AP7383 series belongs to Diodes' high-voltage ULDO regulator product line, designed specifically for battery-powered and wide-input industrial applications demanding low IQ, high accuracy, and robust thermal safety.
FAQ
What is the minimum input voltage required for regulation at 5.0V output?
The AP7383-50WR-7 requires a minimum input voltage of 3.5V to maintain regulation. At 50mA load, its 500mV dropout means 5.5V input ensures full 5.0V output; at 150mA, dropout rises to 1.05V, requiring ≥6.05V input for regulation. Below 3.5V, the device enters undervoltage lockout.
Can the AP7383-50WR-7 be used without an enable signal?
Yes-the EN pin is internally pulled up, so the device operates continuously when left unconnected or tied to VIN. To disable output, drive EN below 0.4V (e.g., MCU GPIO low); floating EN defaults to active. No external pull-up is required, simplifying designs where always-on operation is acceptable.
What output capacitor is required for stability?
A minimum 1.0µF ceramic capacitor with X5R/X7R dielectric and ≤100mΩ ESR is required at VOUT for stability. The datasheet confirms compatibility with low-ESR ceramics-no tantalum or aluminum electrolytic is needed. Place capacitor within 3mm of VOUT/GND pins to minimize loop inductance and ensure transient response.
Does the AP7383-50WR-7 support automotive qualification?
No-the AP7383-50WR-7 is not AEC-Q100 qualified. Diodes offers automotive-grade variants (e.g., AP7383Q series) with PPAP capability and IATF 16949 manufacturing, but this WR-packaged part is intended for industrial and commercial applications. For automotive use, contact Diodes directly for qualified alternatives.
AP7383-50WR-7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- SC-74A, SOT-753
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Output Configuration:
- Positive
- Output Type:
- Fixed
- Number of Regulators:
- 1
- Voltage - Input (Max):
- 30V
- Voltage - Output (Min/Fixed):
- 5V
- Voltage - Output (Max):
- -
- Voltage Dropout (Max):
- 1.1V @ 150mA
- Current - Output:
- 150mA
- Current - Quiescent (Iq):
- 3 µA
- Current - Supply (Max):
- 3 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-25
AP7383-50WR-7 FAQ
1.How can I place an order for AP7383-50WR-7 through Aetrix?
Please submit a Request for Quotation (RFQ) for AP7383-50WR-7 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 AP7383-50WR-7 reliable?
The price and inventory of AP7383-50WR-7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AP7383-50WR-7 is usually 5 days.
3.What payment methods are accepted for AP7383-50WR-7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AP7383-50WR-7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AP7383-50WR-7?
AP7383-50WR-7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AP7383-50WR-7 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 AP7383-50WR-7?
For technical support, including AP7383-50WR-7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AP7383-50WR-7 requirements.
6.How does Aetrix verify that AP7383-50WR-7 is sourced from the original manufacturer or authorized distributors?
All AP7383-50WR-7 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 AP7383-50WR-7 meets industry standards.
7.What is the process for return or replacement of AP7383-50WR-7?
All AP7383-50WR-7 units undergo pre-shipment inspection (PSI). If there is an issue with AP7383-50WR-7, 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 AP7383-50WR-7 part is unused and in its original packaging.
Return procedure for AP7383-50WR-7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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