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Diodes Incorporated AP7335-10SNG-7
- Part No.:
- AP7335-10SNG-7
- Manufacturer:
- Diodes Incorporated
- Package:
- 6-UDFN Exposed Pad
- Datasheet:
-
AP7335-10SNG-7.pdf
- Description:
- IC REG LINEAR 1V 300MA 6DFN2020
- Quantity:
- Payment:
- Shipping:
Inventory:4,550
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Product details
Overview
AP7335-10SNG-7 from Diodes Incorporated is a 300mA fixed-output (1.0V), low-dropout linear regulator in DFN2020-6 package, featuring 35μA quiescent current, 150mV dropout at full load, 65dB PSRR at 1kHz, and fast 220μs startup - designed for power-sensitive portable applications including Bluetooth headsets and MP3 players.
For engineers reviewing the AP7335-10SNG-7 datasheet, AP7335-10SNG-7 pinout, AP7335-10SNG-7 application, or AP7335-10SNG-7 equivalent, key selection criteria include output voltage accuracy (±2%), thermal shutdown threshold (145°C), EN pin logic thresholds (VIH = 1.4V, VIL = 0.4V), and stability with 1μF ceramic output capacitor.
Technical Context
The AP7335-10SNG-7 integrates a PMOS pass element, bandgap reference, error amplifier, current-limit circuitry, and thermal shutdown protection. Its fixed 1.0V output eliminates external feedback resistors, simplifying layout while maintaining ±2% output accuracy across –40°C to +85°C ambient.
It operates from 2V to 6V input, delivers up to 300mA load current, and achieves fast transient response via optimized internal compensation - critical for GSM/TDMA baseband circuits experiencing 100μA ↔ 100mA load steps within microseconds.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage | Fixed 1.0V ±2% over temperature and load - ensures stable core supply for low-voltage microcontrollers and audio codecs. |
| Max Output Current | 300mA continuous - sufficient for single-core SoCs or RF front-end biasing without derating at 85°C ambient. |
| Dropout Voltage | 150mV at 300mA (VOUT ≥ 2.5V); 170mV typical at 1.0V/300mA - enables operation down to VIN = 1.15V, extending battery runtime in single-cell Li-ion systems. |
| Quiescent Current | 35μA typical (≤80μA max) - minimizes no-load power loss, critical for always-on sensor nodes and standby modes. |
| PSRR | 65dB at 1kHz - suppresses switching noise from adjacent DC-DC converters, preserving signal integrity in audio and RF sections. |
| Startup Time | 220μs - supports rapid wake-up from deep-sleep states in portable devices without compromising low-IQ benefits. |
| Thermal Shutdown | Triggers at 145°C junction temperature with 15°C hysteresis - provides robust fault recovery during sustained overload or poor PCB heatsinking. |
Pinout & Package
AP7335-10SNG-7 uses the DFN2020-6 (2.0mm × 2.0mm, 0.65mm pitch) package with wettable flank leads for automated optical inspection. Thermal pad on underside enhances heat dissipation (θJA = 251°C/W on FR-4).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| IN (Pin 3) | Input voltage supply | Accepts 2V–6V; requires ≥1μF ceramic bypass capacitor placed adjacent to pin to suppress input ripple and ensure stability. |
| GND (Pin 2) | Power ground reference | Low-impedance return path for IN, OUT, and EN; must connect directly to thermal pad and system ground plane. |
| EN (Pin 1) | Enable control input | Active-high logic interface (VIH ≥ 1.4V, VIL ≤ 0.4V); pulling low reduces shutdown current to ≤1μA for zero-power state. |
| OUT (Pin 4) | Regulated output | Delivers fixed 1.0V; requires ≥1μF ceramic capacitor (ESR >15mΩ) placed within 2mm of pin for transient stability. |
| NC (Pins 5,6) | No connection | Unbonded terminals; must remain unconnected and unpopulated on PCB to avoid parasitic coupling or mechanical stress. |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low IQ operation | 35μA quiescent current enables >1-year battery life in coin-cell-powered IoT sensors with periodic wake-up. |
| Fast transient response | Stable under 100μA ↔ 300mA load steps with <20mV undershoot/overshoot - meets GSM baseband dynamic supply requirements. |
| Integrated protection | Current limit (~600mA), short-circuit clamp (~140mA), and thermal shutdown prevent damage during board-level faults or miswiring. |
| Green packaging | RoHS-compliant, halogen-free molding compound (no Br/Sb) and lead-free finish - satisfies environmental compliance for global markets. |
| Small-footprint DFN | 2.0mm × 2.0mm footprint with exposed thermal pad reduces PCB area by 60% vs. SOT25 - ideal for space-constrained wearables. |
Applications
| Bluetooth Headset Power Management | MP3 Player Core Supply |
|---|---|
|
Use Scenario: Powers DSP and Bluetooth radio ICs in compact wireless earbuds with single-cell Li-ion (2.8V–4.2V). IC Role / Device Role / Timing Role: Primary 1.0V LDO supplying digital core logic and RF transceiver, enabling fast enable/disable synchronized with audio stream activity. Use Value: 220μs startup and 35μA IQ extend talk time by 18% versus legacy LDOs, while 65dB PSRR prevents audible noise injection into analog audio paths. |
Use Scenario: Delivers clean 1.0V supply to ARM Cortex-M0 microcontroller and NAND flash interface in portable media players. IC Role / Device Role / Timing Role: Fixed-output LDO decoupling MCU core domain from noisy switching regulators powering display and USB PHY. Use Value: ±2% output accuracy ensures reliable flash programming at low voltage; 150mV dropout allows operation until battery reaches 1.15V, maximizing usable capacity. |
| Smartphone Sensor Hub | Wearable Health Monitor |
|
Use Scenario: Supplies 1.0V to MEMS accelerometer, gyroscope, and ambient light sensor subsystem in smartphone auxiliary power rail. IC Role / Device Role / Timing Role: Always-on LDO activated via host processor's GPIO, providing regulated voltage during motion-triggered wake-up events. Use Value: Low 35μA IQ preserves battery during multi-day idle periods; fast transient response prevents sensor data corruption during sudden motion bursts. |
Use Scenario: Powers ultra-low-power ECG front-end ASIC and BLE radio in wrist-worn health monitors using CR2032 coin cell. IC Role / Device Role / Timing Role: Primary voltage regulator for analog signal chain and digital controller, enabled only during measurement cycles. Use Value: 1μF ceramic stability enables minimal BOM count; thermal shutdown protects against skin-contact overheating in sealed enclosures. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar fixed-output LDO applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MCP1700T-1002E/MB | 250mA max output, 1.6μA IQ, 600mV dropout at 250mA - lower IQ but higher dropout and reduced current capability. | Suitable for sub-200mA sensor nodes where ultra-low standby current outweighs load capacity needs. | Select when battery life dominates over peak current demand; verify 1.0V accuracy drift (±3%) exceeds AP7335-10SNG-7's ±2%. |
| Torex XC6206P102MR-G | 300mA output, 1.0V fixed, 1.5μA IQ, 200mV dropout at 300mA - superior IQ but higher dropout and narrower input range (1.8V–6.0V). | Better for long-life coin-cell applications with light loads; less suitable for Li-ion systems near end-of-discharge. | Prefer for CR2032-powered devices requiring >5-year shelf life; confirm thermal performance (θJA = 300°C/W) meets enclosure constraints. |
Compared with MCP1700T-1002E/MB and XC6206P102MR-G, AP7335-10SNG-7 uniquely balances 300mA drive, 35μA IQ, and 150mV dropout - making it optimal for Li-ion-powered portable electronics needing both runtime and dynamic performance.
Availability
AP7335-10SNG-7 is available at Aetrix Electronics and suitable for Bluetooth headset power management, MP3 player core supply, smartphone sensor hub regulation, and wearable health monitor design requiring stable component supply across high-mix production runs.
Supply support for AP7335-10SNG-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 semiconductor company specializing in discrete, analog, and mixed-signal solutions for power management, signal integrity, and connectivity applications.
The AP7335 series belongs to Diodes' precision low-dropout regulator product line, engineered specifically for battery-powered portable electronics demanding ultra-low quiescent current, fast transient response, and small-footprint packaging.
FAQ
What is the minimum input voltage required for AP7335-10SNG-7 to maintain 1.0V output at 300mA?
The minimum input voltage is calculated as VOUT + VDropout = 1.0V + 0.17V = 1.17V (typical). However, per Absolute Maximum Ratings and Recommended Operating Conditions, VIN must be ≥2.0V for guaranteed specification compliance - below this, dropout, PSRR, and regulation performance are not characterized.
Can AP7335-10SNG-7 operate without an output capacitor?
No. The device requires a minimum 1μF ceramic output capacitor with ESR >15mΩ for stability. Omitting it causes oscillation and voltage overshoot during load transients, potentially damaging downstream logic. The capacitor must be placed within 2mm of OUT and GND pins.
Is the EN pin internally pulled up or down?
The EN pin has no internal pull-up or pull-down resistor. It must be actively driven to ≥1.4V for enable or ≤0.4V for shutdown. Leaving it floating risks undefined operation; if unused, tie directly to IN to ensure permanent enable.
How does thermal shutdown behave during sustained overload?
When junction temperature reaches ~145°C, the output disables and remains off until temperature drops to ~130°C (15°C hysteresis). Under continuous overload, this causes on/off cycling - visible as output voltage pulsing - which limits average power dissipation and prevents permanent damage.
AP7335-10SNG-7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- 6-UDFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Output Configuration:
- Positive
- Output Type:
- Fixed
- Number of Regulators:
- 1
- Voltage - Input (Max):
- 6V
- Voltage - Output (Min/Fixed):
- 1V
- Voltage - Output (Max):
- -
- Voltage Dropout (Max):
- 0.3V @ 300mA
- Current - Output:
- 300mA
- Current - Quiescent (Iq):
- 80 µA
- Current - Supply (Max):
- -
- PSRR:
- 65dB (1kHz)
- Control Features:
- Enable
- Protection Features:
- Over Current, Over Temperature
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- U-DFN2020-6
AP7335-10SNG-7 FAQ
1.How can I place an order for AP7335-10SNG-7 through Aetrix?
Please submit a Request for Quotation (RFQ) for AP7335-10SNG-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 AP7335-10SNG-7 reliable?
The price and inventory of AP7335-10SNG-7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AP7335-10SNG-7 is usually 5 days.
3.What payment methods are accepted for AP7335-10SNG-7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AP7335-10SNG-7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AP7335-10SNG-7?
AP7335-10SNG-7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AP7335-10SNG-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 AP7335-10SNG-7?
For technical support, including AP7335-10SNG-7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AP7335-10SNG-7 requirements.
6.How does Aetrix verify that AP7335-10SNG-7 is sourced from the original manufacturer or authorized distributors?
All AP7335-10SNG-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 AP7335-10SNG-7 meets industry standards.
7.What is the process for return or replacement of AP7335-10SNG-7?
All AP7335-10SNG-7 units undergo pre-shipment inspection (PSI). If there is an issue with AP7335-10SNG-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 AP7335-10SNG-7 part is unused and in its original packaging.
Return procedure for AP7335-10SNG-7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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