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Diodes Incorporated AP7342D-3018FS6-7
- Part No.:
- AP7342D-3018FS6-7
- Manufacturer:
- Diodes Incorporated
- Package:
- 6-XFDFN Exposed Pad
- Datasheet:
-
AP7342D-3018FS6-7.pdf
- Description:
- IC REG LIN 1.8V/3V X2DFN1212-6
- Quantity:
- Payment:
- Shipping:
Inventory:2,381
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Product details
Overview
AP7342D-3018FS6-7 from Diodes Incorporated is a dual-channel, 150mA low-dropout linear regulator with independent enable control per channel, delivering fixed 3.0V and 1.8V outputs in a 1.2mm × 1.2mm X2-DFN1212-6 package. It features ±1% output voltage accuracy, 75dB PSRR at 1kHz, 60µVrms output noise (10Hz–100kHz), and ultra-low 35µA quiescent current in single-channel active mode - optimized for RF supply rails and camera sensor power in space-constrained portable electronics.
For engineers reviewing the AP7342D-3018FS6-7 datasheet, AP7342D-3018FS6-7 pinout, AP7342D-3018FS6-7 application, or AP7342D-3018FS6-7 equivalent, key selection criteria include dual-output sequencing capability, discharge function (D-suffix), thermal performance in DFN1212, and compatibility with 0.47µF ceramic output capacitors for fast load transient response in battery-powered systems.
Technical Context
The AP7342D-3018FS6-7 integrates two independent CMOS-based LDO regulators sharing a common input (VIN) and ground (GND), each with dedicated enable (EN1/EN2) and output (VOUT1/VOUT2) pins. Its architecture supports asynchronous channel control: EN1 enables the 3.0V rail, EN2 enables the 1.8V rail, and both can be disabled independently to achieve sub-1µA standby current.
Each regulator employs a precision voltage reference and error amplifier to maintain regulation across 1.7V–5.25V input range, with dropout voltages as low as 0.22V at 3.0V output/150mA. The D-suffix denotes integrated auto-discharge circuitry (50Ω N-channel FET per channel) that actively pulls VOUT to GND when disabled, preventing floating outputs and residual charge in multi-rail systems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltages | 3.0V (Channel 1) and 1.8V (Channel 2) - fixed, non-adjustable; eliminates external resistor networks and simplifies BOM. |
| Max Output Current | 150mA per channel - sufficient to power baseband processors, image sensors, or RF transceivers without thermal derating in typical PCB layouts. |
| PSRR | 75dB at 1kHz - suppresses switching noise from adjacent DC-DC converters, critical for clean analog/RF supply domains. |
| Output Noise | 60µVrms (10Hz–100kHz) - enables use in noise-sensitive applications like camera ISP cores and ADC reference supplies. |
| Quiescent Current | 35µA (one channel active, other disabled) - extends battery life in always-on subsystems such as touch controllers or sensor hubs. |
| Dropout Voltage | 0.22V at 3.0V/150mA - allows operation from single-cell Li-ion (3.0V min) or boosted 2.8V rails with margin. |
| Enable Thresholds | EN high ≥1.3V, EN low ≤0.5V - compatible with 1.8V/3.3V GPIOs without level-shifting. |
Pinout & Package
The AP7342D-3018FS6-7 is housed in a 1.2mm × 1.2mm, 0.4mm height X2-DFN1212-6 package with exposed thermal pad. Recommended PCB layout uses ≥25mm² copper area connected to GND under the thermal pad for optimal thermal dissipation (θJA ≈ 220°C/W).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | VOUT1 | 3.0V regulated output - connects directly to load; requires local 0.47µF ceramic capacitor to GND. |
| 2 | VOUT2 | 1.8V regulated output - independent of VOUT1; supports separate power domain sequencing. |
| 3 | GND | Common ground reference for both regulators and enable inputs - must be low-impedance connection to PCB ground plane. |
| 4 | EN2 | Active-high enable for 1.8V channel - floating state is undefined; tie to VIN or GND if unused. |
| 5 | VIN | Shared input supply (1.7V–5.25V) - requires 0.47µF decoupling capacitor placed within 2mm of pin. |
| 6 | EN1 | Active-high enable for 3.0V channel - enables independent power gating of high-voltage rail before low-voltage rail. |
Key Features
| Feature | Design Value |
|---|---|
| Dual independent enable control | EN1 and EN2 allow staggered power-up/down sequencing between 3.0V and 1.8V rails - essential for avoiding back-powering or latch-up in mixed-voltage SoCs. |
| Integrated auto-discharge | 50Ω on-chip N-FET per channel actively discharges VOUT to GND within microseconds when disabled - prevents unintended biasing of downstream circuitry. |
| Ultra-low noise & high PSRR | 60µVrms noise + 75dB PSRR enables direct powering of RF front-ends and high-resolution ADCs without additional filtering stages. |
| Small-footprint DFN packaging | X2-DFN1212-6 (1.2×1.2mm) reduces board area by >60% vs. SOT-23-6 - ideal for smartphones, TWS earbuds, and compact IoT modules. |
| Wide input voltage range | 1.7V–5.25V operation supports single-cell Li-ion, USB VBUS, and intermediate DC-DC outputs without pre-regulation. |
Applications
| Smartphone Camera Module | Wireless Audio SoC Power |
|---|---|
|
Use Scenario: Dual-rail power for image sensor (1.8V I/O + 3.0V analog) and ISP core in mobile phone rear camera. IC Role / Device Role / Timing Role: Provides isolated, low-noise 1.8V and 3.0V supplies with independent enable sequencing to meet sensor startup timing requirements. Use Value: Eliminates need for discrete LDOs and discharge resistors, reducing component count by 3 parts while improving PSRR by 15dB over legacy solutions. |
Use Scenario: Power management for Bluetooth LE audio SoC requiring 3.0V digital core and 1.8V RF/analog blocks. IC Role / Device Role / Timing Role: Delivers tightly regulated rails with fast load transient response (<50µs recovery) during packet transmission bursts. Use Value: 60µVrms noise ensures EVM < -40dB in 2.4GHz transmitters; 35µA quiescent current extends earbud battery runtime by 8%. |
| Portable Medical Sensor Hub | Industrial Handheld Scanner |
|
Use Scenario: Powering optical heart-rate monitor (PPG) and low-power MCU in wearable health tracker. IC Role / Device Role / Timing Role: Supplies 1.8V to PPG analog front-end and 3.0V to MCU I/O, with EN2-controlled shutdown during sleep cycles. Use Value: Sub-1µA total shutdown current (ISTANDBY = 0.1–1.0µA) enables multi-week battery life; ±1% accuracy ensures consistent LED drive current calibration. |
Use Scenario: Dual-rail supply for barcode imager ASIC (1.8V logic) and laser driver (3.0V analog) in rugged handheld scanner. IC Role / Device Role / Timing Role: Regulates from 3.6V Li-ion battery; auto-discharge prevents residual voltage on imager rail during cold reset. Use Value: 0.22V dropout at 3.0V/150mA allows full battery utilization down to 3.22V; -40°C to +85°C rating ensures reliability in warehouse environments. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-LDO applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AP7345D-3018FS6-7 | Successor device with improved PSRR (80dB @ 1kHz), lower noise (45µVrms), and extended -40°C to +125°C operating range. | Qualified for automotive AEC-Q100 Grade 2; supports higher ambient temperature industrial scanners and automotive infotainment displays. | Select for new designs requiring longer product lifecycle support and enhanced noise immunity; pin-compatible drop-in replacement. |
| TPL7407LPGEDR | TI dual 150mA LDO with 1.8V/3.3V outputs, no auto-discharge, higher quiescent current (55µA), and larger 2mm × 2mm DSBGA package. | Lacks discharge function; requires external pull-down resistors for rail discharge - increases BOM cost and board area. | Consider only if 3.3V output is required instead of 3.0V and automotive qualification is not needed. |
Compared with AP7342D-3018FS6-7, the AP7345D offers measurable improvements in noise, PSRR, and temperature range - making it preferable for next-generation designs - while the TPL7407LPGEDR trades discharge functionality and footprint for vendor diversification where 3.3V is acceptable.
Availability
AP7342D-3018FS6-7 is available at Aetrix Electronics and suitable for smartphone camera modules, wireless audio SoCs, portable medical sensor hubs, and industrial handheld scanners requiring stable component supply across extended production lifecycles.
Supply support for AP7342D-3018FS6-7 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 ICs, specializing in power management, signal integrity, and protection devices for consumer, industrial, and automotive markets.
The AP7342 series belongs to Diodes' high-PSRR, low-noise LDO portfolio designed specifically for battery-powered portable electronics where rail isolation, sequencing, and minimal board area are critical constraints.
FAQ
What is the purpose of the thermal pad on the AP7342D-3018FS6-7 package?
The exposed thermal pad on the X2-DFN1212-6 package serves as the primary heat dissipation path. It must be connected to a minimum 25mm² copper pour tied to GND on the PCB to achieve specified thermal resistance (θJA ≈ 220°C/W). Leaving it unconnected degrades thermal performance by up to 40%, risking thermal shutdown above 85°C ambient at full 150mA load per channel.
Can EN1 and EN2 be tied together and driven by a single GPIO?
Yes - EN1 and EN2 may be paralleled and driven by one microcontroller GPIO to enable/disable both 3.0V and 1.8V outputs simultaneously. However, doing so forfeits independent rail control and sequencing capability. Ensure the GPIO can sink/source ≥2µA (EN leakage) and meets the 1.3V high / 0.5V low thresholds across temperature.
Does the AP7342D-3018FS6-7 require external discharge resistors?
No - the "D" suffix indicates integrated auto-discharge circuitry (50Ω N-FET per channel) that actively pulls VOUT1 and VOUT2 to GND within 10µs when their respective EN pins are low. External resistors are unnecessary and would degrade discharge speed and increase power loss during shutdown.
How does the AP7342D-3018FS6-7 behave during input voltage brownout below 1.7V?
Below 1.7V input, the AP7342D-3018FS6-7 enters undervoltage lockout (UVLO); both outputs disable regardless of EN state. Recovery occurs when VIN rises above 1.75V (typical hysteresis = 50mV). During UVLO, quiescent current drops to ≤1µA, and the auto-discharge FETs remain active if EN was previously low.
AP7342D-3018FS6-7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- 6-XFDFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Output Configuration:
- Positive
- Output Type:
- Fixed
- Number of Regulators:
- 2
- Voltage - Input (Max):
- 5.25V
- Voltage - Output (Min/Fixed):
- 1.8V, 3V
- Voltage - Output (Max):
- -
- Voltage Dropout (Max):
- 0.39V @ 150mA, 0.29V @ 150mA
- Current - Output:
- 150mA, 150mA
- Current - Quiescent (Iq):
- 100 µA
- Current - Supply (Max):
- -
- PSRR:
- 75dB (1kHz)
- Control Features:
- Enable
- Protection Features:
- Over Current
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- X2-DFN1212-6
AP7342D-3018FS6-7 FAQ
1.How can I place an order for AP7342D-3018FS6-7 through Aetrix?
Please submit a Request for Quotation (RFQ) for AP7342D-3018FS6-7 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 AP7342D-3018FS6-7 reliable?
The price and inventory of AP7342D-3018FS6-7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AP7342D-3018FS6-7 is usually 5 days.
3.What payment methods are accepted for AP7342D-3018FS6-7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AP7342D-3018FS6-7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AP7342D-3018FS6-7?
AP7342D-3018FS6-7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AP7342D-3018FS6-7 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 AP7342D-3018FS6-7?
For technical support, including AP7342D-3018FS6-7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AP7342D-3018FS6-7 requirements.
6.How does Aetrix verify that AP7342D-3018FS6-7 is sourced from the original manufacturer or authorized distributors?
All AP7342D-3018FS6-7 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 AP7342D-3018FS6-7 meets industry standards.
7.What is the process for return or replacement of AP7342D-3018FS6-7?
All AP7342D-3018FS6-7 units undergo pre-shipment inspection (PSI). If there is an issue with AP7342D-3018FS6-7, 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 AP7342D-3018FS6-7 part is unused and in its original packaging.
Return procedure for AP7342D-3018FS6-7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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