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Diodes Incorporated AP7353-25CV4-7
- Part No.:
- AP7353-25CV4-7
- Manufacturer:
- Diodes Incorporated
- Package:
- 4-XFBGA, WLBGA
- Datasheet:
-
AP7353-25CV4-7.pdf
- Description:
- IC REG LIN 2.5V 250MA X1WLB0707
- Quantity:
- Payment:
- Shipping:
Inventory:3,000
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Product details
Overview
AP7353-25CV4-7 from Diodes Incorporated is a 250mA low-dropout linear regulator with fixed 2.5V output, ±1% accuracy, 90dB PSRR at 1kHz, 10µVrms output noise (10Hz–100kHz), and 18µA typical quiescent current. It uses a CMOS process, features enable control, and targets RF supply rails and battery-powered portable electronics requiring stable, low-noise voltage regulation.
For engineers reviewing the AP7353-25CV4-7 datasheet, AP7353-25CV4-7 pinout, AP7353-25CV4-7 application, or AP7353-25CV4-7 equivalent, key selection criteria include dropout voltage at 250mA (75mV typ. @ 2.5VOUT), thermal resistance (150°C/W for X1-WLB0707-4), EN logic thresholds (0.4VIL/1.2VIH), and compatibility with 1µF ceramic output capacitors.
Technical Context
The AP7353-25CV4-7 integrates a precision voltage reference, error amplifier, current-limit circuit, and CMOS pass transistor in a non-discharge configuration. Its architecture delivers fast load transient response (<20µs settling for 1mA→250mA step) and high line regulation (0.02%/V) across 2.0V–5.5V input range.
It operates without external compensation, supports 1µF X7R/X5R ceramic output capacitors, and includes thermal shutdown and short-circuit protection (350mA clamp). The device lacks an internal discharge FET-output remains floating during disable.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage | Fixed 2.5V ±1% - ensures stable bias for RF ICs and analog sensors without external feedback network. |
| Max Output Current | 250mA - sufficient to power baseband processors, camera modules, or wireless transceivers in portable devices. |
| PSRR | 90dB @ 1kHz, 70dB @ 10kHz - suppresses switching noise from PMICs or DC-DC converters feeding adjacent circuits. |
| Output Noise | 10µVrms (10Hz–100kHz) - minimizes phase noise in VCOs and jitter in ADC clock supplies. |
| Quiescent Current | 18µA (typ.) - extends battery life in always-on wearable or IoT sensor nodes. |
| Dropout Voltage | 75mV (typ.) @ 250mA - enables operation from single-cell Li-ion (3.0V min) down to 2.55V output. |
| Enable Threshold | VEN_H = 1.2V, VEN_L = 0.4V - compatible with 1.8V/3.3V GPIO without level-shifting. |
Pinout & Package
AP7353-25CV4-7 is packaged in X1-WLB0707-4 (Type A1), a 0.7mm × 0.7mm wafer-level chip-scale package with 4 solder bumps and exposed thermal pad. PCB layout requires large copper area under the EP connected to GND for thermal dissipation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| IN (Bump 1) | Power Input | Accepts 2.0V–5.5V input; requires 1µF ceramic capacitor placed adjacent to minimize impedance. |
| EN (Bump 2) | Enable Control | Active-high logic input; must not float-tie to IN if always-on operation is required. |
| GND (Bump 3) | Ground Reference | Primary return path for input/output currents; connects to system ground plane beneath EP. |
| OUT (Bump 4) | Regulated Output | Delivers 2.5V ±1%; requires 1µF ceramic capacitor within 2mm of OUT/GND pins for stability. |
| EP | Thermal Pad | Non-electrical thermal interface-must be soldered to ≥40mm² GND copper area for θJA = 150°C/W. |
Key Features
| Feature | Design Value |
|---|---|
| High PSRR at RF frequencies | 90dB @ 1kHz and 70dB @ 10kHz enables clean power delivery to 2.4GHz Wi-Fi/BT radios without additional filtering. |
| Ultra-low output noise | 10µVrms over 10Hz–100kHz preserves SNR in audio codecs and precision ADC references. |
| Low-quiescent-current operation | 18µA typical IQ reduces standby power loss in battery-backed real-time clocks and sensor hubs. |
| Wide input voltage range | 2.0V–5.5V supports direct connection to single-cell Li-ion, USB VBUS, or multi-rail PMIC outputs. |
| Fast load transient response | <20µs recovery from 1mA→250mA step ensures stable core voltage during CPU burst activity. |
Applications
| Smartphone RF Power Rail | Wearable Sensor Hub Supply |
|---|---|
|
Use Scenario: Powers RF transceiver LNA and mixer stages in LTE/5G front-end modules. IC Role / Device Role / Timing Role: Low-noise, high-PSRR LDO providing clean 2.5V bias independent of noisy PMIC switching noise. Use Value: Reduces receiver desensitization by >15dB through 90dB PSRR suppression of 1MHz–10MHz ripple. |
Use Scenario: Supplies MEMS accelerometer, gyroscope, and environmental sensor cluster in fitness trackers. IC Role / Device Role / Timing Role: Always-on 2.5V regulator enabling sub-20µA system sleep current with fast wake-up capability. Use Value: Extends battery life to >14 days on 100mAh cell via 18µA quiescent current and 250mA peak support. |
| Portable Camera Module | Wireless Audio Codec Supply |
|
Use Scenario: Provides regulated 2.5V to image signal processor (ISP) and CMOS image sensor analog blocks. IC Role / Device Role / Timing Role: Low-noise LDO decoupling digital switching noise from analog pixel readout circuitry. Use Value: Improves image SNR by 3dB through 10µVrms output noise limiting temporal noise in dark-frame capture. |
Use Scenario: Powers DAC, headphone amplifier, and Bluetooth audio SoC in true wireless stereo earbuds. IC Role / Device Role / Timing Role: Stable 2.5V rail minimizing THD+N in audio playback path during dynamic volume changes. Use Value: Achieves <0.005% THD+N at 1kHz by rejecting 70dB of 10kHz switching artifacts from charging ICs. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar LDO regulator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AP7361-25YG-13 | Same manufacturer, 300mA rating, 120mV dropout @ 250mA, 0.8µF min COUT | Higher current headroom but larger DFN1212-6 package (1.2mm × 1.2mm) | Select when >250mA peak load or lower dropout margin is required; footprint incompatible. |
| Torex XC6210B252MR-G | 200mA, 65dB PSRR @ 1kHz, 25µVrms noise, 2.2µF min COUT | Lower PSRR/noise performance; requires larger output capacitor for stability | Choose for cost-sensitive designs where 90dB PSRR and 10µVrms noise are non-critical. |
Compared with AP7353-25CV4-7, AP7361-25YG-13 offers higher current and lower dropout but increases board area by 2.3×; XC6210B252MR-G reduces BOM cost but sacrifices 25dB PSRR and doubles output noise-critical for RF/analog co-location.
Availability
AP7353-25CV4-7 is available at Aetrix Electronics and suitable for smartphone RF supplies, wearable sensor hubs, and portable camera modules requiring stable component supply, long-term lifecycle assurance, and RoHS-compliant packaging.
Supply support for AP7353-25CV4-7 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, with design centers in Asia, Europe, and the US, and manufacturing in certified ISO/TS 16949 facilities.
The AP7353 series belongs to Diodes' high-performance LDO portfolio, engineered specifically for noise-sensitive portable electronics where PSRR, quiescent current, and small-footprint packaging are critical.
FAQ
What is the minimum output capacitance required for stable operation of AP7353-25CV4-7?
The AP7353-25CV4-7 is stable with a minimum 0.7µF ceramic output capacitor (X7R/X5R dielectric), accounting for temperature, DC bias, and tolerance derating. Diodes recommends 1µF for robust transient response and guaranteed stability across -40°C to +85°C ambient.
Does AP7353-25CV4-7 include an output discharge function?
No. AP7353-25CV4-7 is the non-discharge variant (indicated by absence of "D" in part number). When disabled via EN pin, the output floats-no internal FET discharges the output capacitor. For active discharge, select AP7353D-25CV4-7.
Can AP7353-25CV4-7 operate with input voltage below 2.5V?
Yes-the AP7353-25CV4-7 supports VIN as low as 2.0V. However, output regulation requires VIN ≥ VOUT + dropout voltage. At 250mA load, dropout is 75mV (typ.), so minimum functional VIN is 2.575V to maintain 2.5V output.
What is the thermal resistance (θJA) of the X1-WLB0707-4 package under standard JEDEC conditions?
The X1-WLB0707-4 package has θJA = 150°C/W when mounted on a 2-inch × 2-inch JEDEC High-K test board with 1oz internal planes and 2oz top/bottom copper. Actual θJA improves with larger EP-connected copper area on production PCBs.
AP7353-25CV4-7 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):
- 5.5V
- Voltage - Output (Min/Fixed):
- 2.5V
- Voltage - Output (Max):
- -
- Voltage Dropout (Max):
- 0.166V @ 250mA
- Current - Output:
- 250mA
- Current - Quiescent (Iq):
- 27 µA
- Current - Supply (Max):
- -
- PSRR:
- 90dB ~ 70dB (100Hz ~ 10kHz)
- Control Features:
- Enable
- Protection Features:
- Over Current, Over Temperature, Short Circuit
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- X1-WLB0707-4 (Type A1)
AP7353-25CV4-7 FAQ
1.How can I place an order for AP7353-25CV4-7 through Aetrix?
Please submit a Request for Quotation (RFQ) for AP7353-25CV4-7 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 AP7353-25CV4-7 reliable?
The price and inventory of AP7353-25CV4-7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AP7353-25CV4-7 is usually 5 days.
3.What payment methods are accepted for AP7353-25CV4-7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AP7353-25CV4-7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AP7353-25CV4-7?
AP7353-25CV4-7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AP7353-25CV4-7 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 AP7353-25CV4-7?
For technical support, including AP7353-25CV4-7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AP7353-25CV4-7 requirements.
6.How does Aetrix verify that AP7353-25CV4-7 is sourced from the original manufacturer or authorized distributors?
All AP7353-25CV4-7 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 AP7353-25CV4-7 meets industry standards.
7.What is the process for return or replacement of AP7353-25CV4-7?
All AP7353-25CV4-7 units undergo pre-shipment inspection (PSI). If there is an issue with AP7353-25CV4-7, 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 AP7353-25CV4-7 part is unused and in its original packaging.
Return procedure for AP7353-25CV4-7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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