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Diodes Incorporated AP7347DQ-10W5-7
- Part No.:
- AP7347DQ-10W5-7
- Manufacturer:
- Diodes Incorporated
- Package:
- SC-74A, SOT-753
- Datasheet:
-
AP7347DQ-10W5-7.pdf
- Description:
- LDO CMOS LOWCURR SOT25 T&R 3K
- Quantity:
- Payment:
- Shipping:
Inventory:35,096
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Product details
Overview
AP7347DQ-10W5-7 from Diodes Incorporated is an automotive-grade 500mA low-dropout linear regulator with fixed 1.0V output, ±1% accuracy, 75dB PSRR at 1kHz, 60µVrms output noise (10Hz–100kHz), and 60µA quiescent current. It features enable control, thermal shutdown, short-circuit protection, and auto-discharge functionality - designed for noise-sensitive power rails in ADAS camera modules and infotainment systems.
For engineers reviewing the AP7347DQ-10W5-7 datasheet, AP7347DQ-10W5-7 pinout, AP7347DQ-10W5-7 application, or AP7347DQ-10W5-7 equivalent, key selection criteria include its AEC-Q100 qualification, SOT25 package thermal performance (θJA = 140°C/W), 0.75V typical dropout at 500mA (for 1.0V output), and guaranteed operation from –40°C to +125°C ambient.
Technical Context
The AP7347DQ-10W5-7 integrates a CMOS-based error amplifier, precision voltage reference, current-limit circuit, and NMOS pass transistor with integrated auto-discharge path. Its enable input controls regulator state with defined logic thresholds (VEN(H) ≥ 1.25V, VEN(L) ≤ 0.5V) and sub-1µA leakage.
It delivers stable 1.0V output across 1.7V–5.5V input range, supports 1µF ceramic input/output capacitors, and maintains regulation under fast load transients (e.g., 50mA step) with <50mV undershoot/overshoot. Thermal shutdown activates at +170°C with +20°C hysteresis.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage | Fixed 1.0V ±1% (guaranteed over –40°C to +125°C junction temp) |
| Max Output Current | 500mA continuous (with thermal derating above +85°C ambient in SOT25) |
| PSRR | 75dB at 1kHz (enables clean supply for RF receivers and high-speed ADCs) |
| Output Noise | 60µVrms (10Hz–100kHz bandwidth; critical for analog sensor and PLL power) |
| Quiescent Current | 60µA typical (supports always-on automotive subsystems with low standby power) |
| Dropout Voltage | 0.75V typical at 500mA (enables operation from 1.75V input for 1.0V rail) |
| Enable Thresholds | VEN(H) = 1.25V min, VEN(L) = 0.5V max (compatible with 1.8V/3.3V GPIO) |
| Ambient Temp Range | –40°C to +125°C (AEC-Q100 Grade 1 qualified; validated for engine bay proximity) |
Pinout & Package
SOT25 (Type A1) package: 5-pin surface-mount, 2.9mm × 2.8mm footprint, exposed pad not present. Thermal resistance θJA = 140°C/W on JEDEC-standard 3″×3″ multilayer board.
| Pin | Circuit Role | Design Meaning |
|---|---|---|
| 1 | VIN | Main input power pin; requires local 1µF ceramic decoupling to GND |
| 2 | EN | Active-high enable; must be driven - floating prohibited; internal pull-down inactive |
| 3 | GND | Analog/digital ground reference; connect directly to PCB ground plane |
| 4 | VOUT | Regulated 1.0V output; place 1µF ceramic capacitor within 2mm of this pin |
| 5 | NC | No-connect terminal; recommended to tie to GND for thermal conduction and EMI reduction |
Key Features
| Feature | Design Value |
|---|---|
| Automotive Qualification | AEC-Q100 Grade 1 qualified, PPAP-capable, manufactured in IATF 16949-certified facilities |
| Low-Noise Regulation | 60µVrms output noise enables direct powering of RF synthesizers and image sensors |
| Auto-Discharge Path | 30Ω on-resistance NMOS discharges VOUT when disabled - prevents hold-up voltage in safety-critical shutdown |
| High PSRR at Low Frequencies | 75dB rejection at 1kHz suppresses ripple from upstream switching converters (e.g., buck pre-regulators) |
| Wide Input Range | 1.7V–5.5V operation supports direct battery connection (12V via DC/DC) and multi-rail SoC domains |
Applications
| ADAS Camera Module Power | Infotainment System Core Logic |
|---|---|
Use Scenario: Powering CIS image sensor and ISP ASIC in rear-view or surround-view cameras. IC Role / Device Role / Timing Role: Primary 1.0V LDO for digital core domain, providing clean, low-noise bias under dynamic load conditions. Use Value: 60µVrms noise prevents pixel-level artifacts; ±1% accuracy ensures consistent ISP timing margins across temperature. |
Use Scenario: Supplying 1.0V core voltage to application processors and memory interfaces in head-unit systems. IC Role / Device Role / Timing Role: Post-regulator for DDR I/O or CPU core rail, enabling fast enable/disable during sleep/wake transitions. Use Value: 60µA quiescent current minimizes battery drain in parked mode; 500mA capacity handles burst-mode CPU loads. |
| Automotive RF Transceiver Bias | Telematics LTE/5G Baseband |
Use Scenario: Providing ultra-low-noise 1.0V supply to RF synthesizer VCO and mixer bias circuits. IC Role / Device Role / Timing Role: Dedicated low-noise LDO isolating sensitive RF analog blocks from noisy digital domains. Use Value: 75dB PSRR at 1kHz rejects switching noise from PMIC; thermal shutdown protects against antenna mismatch faults. |
Use Scenario: Powering baseband processor cores requiring precise 1.0V with rapid response to data transmission bursts. IC Role / Device Role / Timing Role: High-current, fast-transient LDO supporting LTE/5G modem DVFS and sleep-state transitions. Use Value: 0.75V dropout allows operation from 1.75V intermediate rail; auto-discharge prevents residual voltage during reset sequences. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar LDO regulator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| Torex XC6217B102MR-G | Same 1.0V/500mA spec, but only ±2% accuracy, no auto-discharge, non-automotive grade | Lacks AEC-Q100 qualification and thermal shutdown hysteresis; unsuitable for safety-critical zones | Select only for cost-sensitive non-automotive industrial designs where 1.0V tolerance >±1% is acceptable |
| Richtek RT9080AL-10GSP | 1.0V/500mA, ±2% accuracy, 65dB PSRR, no auto-discharge, 100µA IQ, AEC-Q100 Grade 2 (–40°C to +105°C) | Lower PSRR and wider temp range limitation restrict use in high-ambient ADAS edge cases | Acceptable for cabin-zone infotainment, but not for engine-compartment-facing radar/camera modules |
Compared with XC6217B102MR-G and RT9080AL-10GSP, the AP7347DQ-10W5-7 uniquely combines ±1% accuracy, 75dB PSRR, auto-discharge, and full Grade 1 AEC-Q100 compliance - making it the only qualified choice for 1.0V core rails in thermally demanding ADAS vision systems.
Availability
AP7347DQ-10W5-7 is available at Aetrix Electronics and suitable for automotive ADAS camera modules, infotainment SoC power domains, and telematics baseband supplies requiring stable component supply, AEC-Q100 traceability, and long-term production continuity.
Supply support for AP7347DQ-10W5-7 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 high-reliability power management, signal integrity, and protection solutions for automotive, industrial, and consumer markets.
The AP7347DQ belongs to Diodes' automotive-qualified LDO portfolio, engineered specifically for noise-sensitive, thermally constrained power rails in ADAS, infotainment, and connectivity systems requiring AEC-Q100 Grade 1 operation.
FAQ
What is the minimum input voltage required for stable 1.0V output at 500mA?
The AP7347DQ-10W5-7 requires VIN ≥ 1.75V to maintain regulation at 500mA due to its 0.75V typical dropout voltage. At lower loads, operation down to 1.7V is supported per datasheet absolute minimum rating, but full 500mA capability begins at VIN = VOUT + dropout ≈ 1.75V.
Does the NC pin require a specific PCB connection?
Yes - Pin 5 (NC) is internally unconnected but thermally and electrically tied to the die substrate. Diodes recommends connecting it to GND via a copper pour to improve thermal dissipation and reduce EMI coupling; leaving it floating may degrade thermal performance and noise immunity.
How does the auto-discharge function operate during shutdown?
When EN is pulled low, an internal 30Ω NMOS switch connects VOUT to GND, discharging external output capacitance. This ensures VOUT falls rapidly (<100µs for 1µF load), preventing unintended device wake-up or latch-up in safety-critical automotive shutdown sequences.
Is the SOT25 package RoHS and halogen-free compliant?
Yes - the AP7347DQ-10W5-7 uses fully lead-free, RoHS 3 (2015/863/EU) compliant construction with halogen-free (<900ppm Br, <900ppm Cl, <1000ppm Sb) "Green" materials, verified per Diodes' quality definitions and certified in IATF 16949 manufacturing facilities.
AP7347DQ-10W5-7 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):
- 5.5V
- Voltage - Output (Min/Fixed):
- 1V
- Voltage - Output (Max):
- -
- Voltage Dropout (Max):
- 0.95V @ 500mA
- Current - Output:
- 500mA
- Current - Quiescent (Iq):
- 125 µA
- Current - Supply (Max):
- -
- PSRR:
- 75dB (1kHz)
- Control Features:
- Enable
- Protection Features:
- Over Current, Over Temperature, Short Circuit
- Operating Temperature:
- -40°C ~ 125°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-25
AP7347DQ-10W5-7 FAQ
1.How can I place an order for AP7347DQ-10W5-7 through Aetrix?
Please submit a Request for Quotation (RFQ) for AP7347DQ-10W5-7 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 AP7347DQ-10W5-7 reliable?
The price and inventory of AP7347DQ-10W5-7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AP7347DQ-10W5-7 is usually 5 days.
3.What payment methods are accepted for AP7347DQ-10W5-7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AP7347DQ-10W5-7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AP7347DQ-10W5-7?
AP7347DQ-10W5-7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AP7347DQ-10W5-7 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 AP7347DQ-10W5-7?
For technical support, including AP7347DQ-10W5-7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AP7347DQ-10W5-7 requirements.
6.How does Aetrix verify that AP7347DQ-10W5-7 is sourced from the original manufacturer or authorized distributors?
All AP7347DQ-10W5-7 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 AP7347DQ-10W5-7 meets industry standards.
7.What is the process for return or replacement of AP7347DQ-10W5-7?
All AP7347DQ-10W5-7 units undergo pre-shipment inspection (PSI). If there is an issue with AP7347DQ-10W5-7, 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 AP7347DQ-10W5-7 part is unused and in its original packaging.
Return procedure for AP7347DQ-10W5-7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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