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Diodes Incorporated AP7350-27CF4-7
- Part No.:
- AP7350-27CF4-7
- Manufacturer:
- Diodes Incorporated
- Package:
- 4-XFBGA, WLBGA
- Datasheet:
-
AP7350-27CF4-7.pdf
- Description:
- IC REG LIN 2.7V 150MA X2WLB0606
- Quantity:
- Payment:
- Shipping:
Inventory:1,544
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Product details
Overview
AP7350-27CF4-7 from Diodes Incorporated is a 2.7V fixed-output, 150mA ultra-low quiescent current LDO regulator in X2-WLB0606-4 wafer-level chip-scale package. It delivers ±1% output voltage accuracy over -40°C to +85°C, features 0.25µA typical quiescent current, and supports input voltages from 2.0V to 5.25V. Its enable-controlled operation and miniature footprint make it ideal for space-constrained, battery-powered wearable sensors and IoT edge nodes.
For engineers reviewing the AP7350-27CF4-7 datasheet, AP7350-27CF4-7 pinout, AP7350-27CF4-7 application, or AP7350-27CF4-7 equivalent, key selection criteria include dropout voltage at 150mA (0.21V typ), standby current (0.02µA), EN logic thresholds (0.4V low / 1.0V high), and thermal resistance (267°C/W) in the 0.64mm × 0.64mm WLCSP.
Technical Context
The AP7350-27CF4-7 integrates a precision voltage reference, error amplifier, current-limit protection, and enable control logic in a single die. Its architecture achieves stable regulation with only 0.1µF ceramic input and output capacitors, eliminating need for external compensation.
It operates across a wide input range (2.0–5.25V) while maintaining tight load regulation (±25mV from 1mA to 150mA) and line regulation (0.02%/V typ). The device enters shutdown when EN is pulled below 0.4V, reducing ground current to 0.02µA - critical for long-term battery retention in always-on sensor nodes.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage | Fixed 2.7V ±1% at +25°C; ±2% over full temperature range - ensures stable MCU core or sensor biasing without external feedback. |
| Max Output Current | 150mA continuous - sufficient to power BLE SoCs, MEMS accelerometers, or low-power microcontrollers. |
| Quiescent Current | 0.25µA typ at +25°C - extends coin-cell battery life to multi-year operation in maintenance-free IoT endpoints. |
| Dropout Voltage | 0.21V typ at 150mA - enables operation down to 2.91V input, preserving runtime as battery discharges. |
| EN Thresholds | EN low ≤ 0.4V, EN high ≥ 1.0V - compatible with 1.8V/3.3V GPIO without level-shifting. |
| Thermal Resistance θJA | 267°C/W - requires minimal PCB copper area for thermal management in ultra-compact layouts. |
| ESD Protection | 4kV HBM - robust enough for handling during automated assembly of wearable PCBs. |
Pinout & Package
Package: X2-WLB0606-4 - 0.64mm × 0.64mm wafer-level chip-scale package with SnAgCu solder balls; moisture sensitivity level 1 per J-STD-020.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (EN) | Enable control input | Active-high logic input; must be driven - floating causes undefined output state; ties directly to host MCU GPIO. |
| 2 (GND) | Ground reference | Primary return path for input, output, and internal circuitry; requires low-impedance connection to system ground plane. |
| 3 (VOUT) | Regulated output | Delivers stable 2.7V to load; must be decoupled with 0.1µF ceramic capacitor placed adjacent to pin. |
| 4 (VIN) | Input power supply | Accepts 2.0–5.25V; requires local 0.1µF ceramic decoupling to suppress supply noise and transient droop. |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low quiescent current | 0.25µA typ enables >10-year battery life in 20µA average-load wearable applications. |
| Miniature WLCSP footprint | 0.64mm × 0.64mm area saves >70% board space vs. SOT-23-5, critical for hearable and patch-sized devices. |
| High output accuracy | ±1% at +25°C ensures reliable operation of 2.7V-tolerant ADC references and RF transceivers. |
| Integrated enable function | EN pin allows precise power sequencing and deep-sleep control without external MOSFET or logic. |
| Stable with 0.1µF ceramics | Eliminates need for larger bulk capacitors, reducing BOM count and layout complexity in space-limited designs. |
Applications
| Wearable Fitness Tracker | IoT Environmental Sensor Node |
|---|---|
|
Use Scenario: Continuous heart-rate monitoring using optical PPG sensor and ARM Cortex-M0+ MCU powered by CR2032 coin cell. IC Role / Device Role / Timing Role: Primary 2.7V power rail regulator supplying sensor analog front-end and MCU core voltage. Use Value: 0.25µA quiescent current extends battery life beyond 2 years; 0.64mm × 0.64mm footprint fits within 3.5mm × 3.5mm wearable PCB area budget. |
Use Scenario: Battery-powered soil moisture and temperature node deployed in agricultural field for 5+ years. IC Role / Device Role / Timing Role: Always-on LDO powering LoRaWAN transceiver and capacitive sensing IC during periodic wake-up cycles. Use Value: 0.02µA standby current minimizes leakage during 99.9% sleep time; ±1% accuracy maintains sensor calibration stability over temperature. |
| Smart Hearing Aid Charger Case | Industrial Predictive Maintenance Module |
|
Use Scenario: Compact charging case with integrated battery gauge and status LED, recharging hearing aid batteries via pogo pins. IC Role / Device Role / Timing Role: Secondary LDO generating clean 2.7V for fuel-gauge IC and status indicator logic. Use Value: Low dropout (0.21V) allows regulation down to 2.91V - maximizes usable capacity from 3.0V Li-ion pouch cell. |
Use Scenario: Vibration-sensing module mounted on rotating machinery, harvesting energy from piezoelectric element and storing in thin-film capacitor. IC Role / Device Role / Timing Role: Ultra-low-IQ regulator conditioning harvested energy to power MEMS accelerometer and BLE radio. Use Value: 2.0V minimum input enables startup from <3V harvested sources; ESD-hardened I/O withstands industrial EMI environments. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar LDO regulator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MCP1700-2702E/TO | TO-92 package (4.7mm × 3.7mm); 1.6µA IQ; no enable pin | Larger footprint; unsuitable for ultra-dense wearables; lacks programmable shutdown | Select only if through-hole assembly or absence of enable control is acceptable. |
| Torex XC6206P272MR-G | SOT-23-3 package (2.9mm × 1.6mm); 1µA IQ; fixed 2.7V; no enable | No enable function; higher IQ increases battery drain in duty-cycled systems | Choose when board space is constrained but enable control is unnecessary and cost is primary driver. |
Compared with MCP1700-2702E/TO and XC6206P272MR-G, the AP7350-27CF4-7 uniquely combines wafer-level miniaturization, sub-µA quiescent current, and integrated enable - enabling new form factors in battery-constrained edge devices where every µA and mm² matters.
Availability
AP7350-27CF4-7 is available at Aetrix Electronics and suitable for wearable electronics, IoT sensor modules, and wireless communication devices requiring stable component supply with guaranteed long-term availability.
Supply support for AP7350-27CF4-7 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-efficiency power management, signal integrity, and protection solutions for consumer, industrial, and automotive markets.
The AP7350 series targets ultra-low-power portable electronics, delivering industry-leading quiescent current and minimal footprint for next-generation battery-operated devices where energy efficiency and miniaturization are paramount.
FAQ
What is the minimum input voltage required for AP7350-27CF4-7 to regulate 2.7V output at 150mA?
The dropout voltage is 0.21V typical at 150mA, so minimum input is 2.7V + 0.21V = 2.91V. At worst-case 0.44V (max spec), VIN must be ≥3.14V. This allows operation from partially discharged 3.0V lithium coin cells or 3.3V rails with significant ripple.
Can AP7350-27CF4-7 be used without an external output capacitor?
No - an output capacitor is mandatory for stability and transient response. The datasheet specifies minimum 0.1µF ceramic (X5R/X7R) placed adjacent to VOUT and GND pins. Omitting COUT risks oscillation, poor load step recovery, and potential damage under dynamic loads.
Is AP7350-27CF4-7 qualified for automotive applications?
No - this variant is not AEC-Q100 qualified. Diodes Incorporated offers automotive-grade versions (e.g., AP7350Q) with PPAP capability, IATF 16949 manufacturing, and extended temperature screening. Use AP7350-27CF4-7 only in commercial or industrial applications rated for -40°C to +85°C ambient.
How does the EN pin behave during power-up when VIN ramps slowly?
The EN pin has no internal pull-up or pull-down. If left unconnected, its state is undefined - potentially causing erratic turn-on or latch-up. Designers must actively drive EN high (≥1.0V) after VIN exceeds 2.0V, or tie EN to VIN via resistor divider if direct connection violates EN voltage limits.
AP7350-27CF4-7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- 4-XFBGA, WLBGA
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Output Configuration:
- Positive
- Output Type:
- Fixed
- Number of Regulators:
- 1
- Voltage - Input (Max):
- 5.25V
- Voltage - Output (Min/Fixed):
- 2.7V
- Voltage - Output (Max):
- -
- Voltage Dropout (Max):
- 0.44V @ 150mA
- Current - Output:
- 150mA
- Current - Quiescent (Iq):
- 700 nA
- Current - Supply (Max):
- -
- PSRR:
- -
- Control Features:
- Enable
- Protection Features:
- Current Limit
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- X2-WLB0606-4
AP7350-27CF4-7 FAQ
1.How can I place an order for AP7350-27CF4-7 through Aetrix?
Please submit a Request for Quotation (RFQ) for AP7350-27CF4-7 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 AP7350-27CF4-7 reliable?
The price and inventory of AP7350-27CF4-7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AP7350-27CF4-7 is usually 5 days.
3.What payment methods are accepted for AP7350-27CF4-7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AP7350-27CF4-7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AP7350-27CF4-7?
AP7350-27CF4-7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AP7350-27CF4-7 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 AP7350-27CF4-7?
For technical support, including AP7350-27CF4-7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AP7350-27CF4-7 requirements.
6.How does Aetrix verify that AP7350-27CF4-7 is sourced from the original manufacturer or authorized distributors?
All AP7350-27CF4-7 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 AP7350-27CF4-7 meets industry standards.
7.What is the process for return or replacement of AP7350-27CF4-7?
All AP7350-27CF4-7 units undergo pre-shipment inspection (PSI). If there is an issue with AP7350-27CF4-7, 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 AP7350-27CF4-7 part is unused and in its original packaging.
Return procedure for AP7350-27CF4-7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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