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Diodes Incorporated AP2202K-5.0TRG1
- Part No.:
- AP2202K-5.0TRG1
- Manufacturer:
- Diodes Incorporated
- Package:
- SC-74A, SOT-753
- Datasheet:
-
AP2202K-5.0TRG1.pdf
- Description:
- IC REG LINEAR 5V 150MA SOT23-5
- Quantity:
- Payment:
- Shipping:
Inventory:2,515
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Product details
Overview
AP2202K-5.0TRG1 from Diodes Incorporated is a 150mA ultra-low dropout (ULDO) linear regulator with fixed 5.0V output, 165mV dropout at full load, ±1% output accuracy, and 75dB PSRR at 100Hz-designed for noise-sensitive RF power rails in battery-powered handheld devices.
For engineers reviewing the AP2202K-5.0TRG1 datasheet, AP2202K-5.0TRG1 pinout, AP2202K-5.0TRG1 application, or AP2202K-5.0TRG1 equivalent, key selection criteria include low-noise operation (260nV/√Hz), 1µA shutdown current, logic-compatible enable control, reverse current protection, and SOT-23-5 thermal performance (θJA = 200°C/W).
Technical Context
The AP2202K-5.0TRG1 integrates a bandgap reference, current-limit circuitry, thermal shutdown, and reverse-current protection into a single-stage LDO architecture. Its BYP pin accepts a 100pF capacitor to reduce output noise, and EN input supports CMOS/TTL logic-level control with 0.4V VIL and 2.0V VIH thresholds.
It operates across -40°C to +125°C junction temperature, supports input voltages from 5.5V (VOUT + 0.5V) to 13.2V, and maintains regulation under load transients up to 150mA while limiting ground current to 1.9mA max at full load.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage | Fixed 5.0V ±1% - ensures stable supply for 5V-tolerant RF ICs and microcontrollers without external feedback. |
| Dropout Voltage | 165mV at 150mA - enables operation from 5.5V input in space-constrained battery systems where headroom is minimal. |
| PSRR | 75dB at 100Hz - suppresses low-frequency ripple from switching converters feeding the LDO input stage. |
| Output Noise | 260nV/√Hz - minimizes phase noise injection into RF synthesizers and ADC reference paths. |
| Shutdown Current | 1µA max - extends battery life in standby modes of portable communication devices. |
| Thermal Protection | Internally limited with thermal shutdown - prevents damage during sustained overload or poor PCB heat sinking. |
| Enable Logic Threshold | VIL ≤ 0.4V (shutdown), VIH ≥ 2.0V (active) - compatible with 3.3V and 5V GPIO without level-shifting. |
Pinout & Package
SOT-23-5 package: compact 2.9mm × 1.6mm surface-mount outline with exposed thermal pad (pin 2 connected to GND); suitable for high-density PCB layouts with constrained thermal mass.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (VIN) | Input voltage supply | Accepts 5.5V–13.2V DC; requires 1.0µF ceramic input capacitor for stability and transient response. |
| 2 (GND) | Ground reference and thermal path | Connected to PCB ground plane; serves as primary heat dissipation path via exposed tab. |
| 3 (EN) | Logic-enable control input | CMOS/TTL-compatible; pulls internal pass transistor gate to enable or disable regulation. |
| 4 (BYP) | Bypass capacitor connection | Connects to 100pF capacitor to GND to filter reference noise and improve PSRR below 1MHz. |
| 5 (VOUT) | Regulated 5.0V output | Delivers up to 150mA; requires 2.2µF ceramic output capacitor for loop stability and load transient recovery. |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low dropout | 165mV at 150mA enables use with single-cell Li-ion (3.0–4.2V) plus boost or dual-cell configurations. |
| Reverse current protection | Prevents backflow from VOUT to VIN during shutdown or input brownout-critical for multi-rail system integrity. |
| Low-noise BYP pin | 100pF bypass reduces integrated output noise to 260nV/√Hz, meeting RF front-end supply requirements. |
| Overcurrent & thermal shutdown | Current limit ~320–550mA and thermal cutoff protect against short-circuit faults without external components. |
| ±1% output accuracy | Tight initial tolerance eliminates need for post-production calibration in precision analog subsystems. |
Applications
| Cellular Handset Power Rail | RF Transceiver Bias Supply |
|---|---|
Use Scenario: Powers RF power amplifier bias circuitry in 4G/LTE smartphones where supply noise directly impacts EVM and ACLR. IC Role / Device Role / Timing Role: ULDO regulator providing clean 5.0V rail isolated from noisy PMIC switchers. Use Value: 75dB PSRR at 100Hz and 260nV/√Hz noise prevent degradation of transmit spectral purity. |
Use Scenario: Supplies local oscillator (LO) buffer and mixer bias in sub-6GHz RF transceivers. IC Role / Device Role / Timing Role: Low-noise, fast-transient LDO delivering stable 5.0V to analog RF blocks. Use Value: 165mV dropout allows direct regulation from shared 5.5V system rail, minimizing board area and BOM count. |
| Digital Still Camera Image Sensor Core | Portable Medical Diagnostic Module |
Use Scenario: Powers high-resolution CMOS image sensor analog core requiring <10mV ripple and low thermal drift. IC Role / Device Role / Timing Role: Precision voltage source for sensor pixel array and column ADC reference. Use Value: ±1% accuracy and 120µV/°C tempco ensure consistent exposure linearity across -20°C to +70°C ambient. |
Use Scenario: Supplies analog front-end (AFE) and signal chain components in handheld ultrasound or ECG units. IC Role / Device Role / Timing Role: Battery-efficient LDO enabling >12-hour runtime with active monitoring mode. Use Value: 1µA shutdown current and reverse-current blocking preserve battery charge during device sleep cycles. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar ultra-low-noise LDO regulator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| Torex XC6210B502MR-G | 500mA output, 250mV dropout at 500mA, no BYP pin, 45dB PSRR at 100Hz | Higher current capacity but higher noise and lower PSRR-suitable for digital loads, not RF analog | Select when >150mA load current is required and noise sensitivity is moderate. |
| Richtek RT9193-50GB | 300mA output, 200mV dropout at 300mA, 65dB PSRR at 100Hz, no reverse-current protection | Lacks reverse-current blocking and has 10dB lower PSRR-requires external diode for backfeed prevention | Choose only if cost is primary constraint and system design accommodates added protection components. |
Compared with XC6210B502MR-G and RT9193-50GB, the AP2202K-5.0TRG1 uniquely combines 150mA capability with RF-grade noise performance (260nV/√Hz), reverse-current blocking, and 75dB PSRR-making it optimal for compact, battery-powered RF and precision analog subsystems where size, noise, and fault safety are co-constrained.
Availability
AP2202K-5.0TRG1 is available at Aetrix Electronics and suitable for cellular handset power rails, RF transceiver bias supplies, digital camera image sensor cores, and portable medical diagnostic modules requiring stable component supply with full traceability and long-term lifecycle support.
Supply support for AP2202K-5.0TRG1 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 AP2202 series belongs to Diodes' high-performance LDO portfolio, engineered specifically for noise-sensitive, battery-operated RF and portable consumer electronics demanding ultra-low dropout, low quiescent current, and robust protection features.
FAQ
What is the minimum input voltage required for AP2202K-5.0TRG1 to maintain regulation?
The minimum input voltage is 5.5V-calculated as VOUT + 0.5V per datasheet recommendation. At 150mA load, the 165mV dropout means 5.165V is the theoretical absolute minimum, but 5.5V ensures stable operation across temperature, line, and load variations while maintaining PSRR performance.
Can the BYP pin be left unconnected?
No. The BYP pin must be connected to a 100pF capacitor to GND to achieve specified 260nV/√Hz output noise and 75dB PSRR. Leaving it floating degrades noise performance and may cause instability in sensitive RF applications.
Does AP2202K-5.0TRG1 require an external diode for reverse-current protection?
No. The device integrates reverse-current protection-no external diode is needed. This feature prevents current flow from VOUT to VIN during shutdown or input undervoltage, simplifying layout and improving reliability in multi-supply systems.
Is AP2202K-5.0TRG1 qualified for automotive applications?
No. AP2202K-5.0TRG1 is not AEC-Q100 qualified. Diodes Incorporated offers automotive-grade variants (e.g., AP2202K-5.0W5-7) with PPAP support and IATF 16949 manufacturing-contact Diodes directly for qualified alternatives.
AP2202K-5.0TRG1 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):
- 13.2V
- Voltage - Output (Min/Fixed):
- 5V
- Voltage - Output (Max):
- -
- Voltage Dropout (Max):
- -
- Current - Output:
- 150mA
- Current - Quiescent (Iq):
- -
- Current - Supply (Max):
- -
- PSRR:
- -
- Control Features:
- Enable
- Protection Features:
- Over Current, Over Temperature, Reverse Polarity
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-23-5
AP2202K-5.0TRG1 FAQ
1.How can I place an order for AP2202K-5.0TRG1 through Aetrix?
Please submit a Request for Quotation (RFQ) for AP2202K-5.0TRG1 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 AP2202K-5.0TRG1 reliable?
The price and inventory of AP2202K-5.0TRG1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AP2202K-5.0TRG1 is usually 5 days.
3.What payment methods are accepted for AP2202K-5.0TRG1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AP2202K-5.0TRG1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AP2202K-5.0TRG1?
AP2202K-5.0TRG1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AP2202K-5.0TRG1 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 AP2202K-5.0TRG1?
For technical support, including AP2202K-5.0TRG1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AP2202K-5.0TRG1 requirements.
6.How does Aetrix verify that AP2202K-5.0TRG1 is sourced from the original manufacturer or authorized distributors?
All AP2202K-5.0TRG1 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 AP2202K-5.0TRG1 meets industry standards.
7.What is the process for return or replacement of AP2202K-5.0TRG1?
All AP2202K-5.0TRG1 units undergo pre-shipment inspection (PSI). If there is an issue with AP2202K-5.0TRG1, 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 AP2202K-5.0TRG1 part is unused and in its original packaging.
Return procedure for AP2202K-5.0TRG1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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