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Diodes Incorporated AP2204R-1.5TRG1
- Part No.:
- AP2204R-1.5TRG1
- Manufacturer:
- Diodes Incorporated
- Package:
- TO-243AA
- Datasheet:
-
AP2204R-1.5TRG1.pdf
- Description:
- IC REG LINEAR 1.5V 150MA SOT89-3
- Quantity:
- Payment:
- Shipping:
Inventory:3,988
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Product details
Overview
AP2204R-1.5TRG1 from Diodes Incorporated is a fixed-output 1.5V ultra-low dropout (ULDO) linear regulator in SOT-89 package, designed for space-constrained portable systems requiring stable low-voltage biasing. It delivers up to 150mA output current with 100mV dropout at 100µA load, 60dB PSRR at 1kHz, ±2% output voltage accuracy, and operates across 2.6V–24V input range-ideal for USB-powered instrumentation and battery-backed microcontroller I/O rails.
For engineers reviewing the AP2204R-1.5TRG1 datasheet, AP2204R-1.5TRG1 pinout, AP2204R-1.5TRG1 application, or AP2204R-1.5TRG1 equivalent, key selection criteria include dropout performance at light loads, thermal behavior in SOT-89 Option 1 layout, EN pin logic thresholds, ground current vs. load profile, and compatibility with 1µF ceramic input/2.2µF ceramic output capacitors.
Technical Context
The AP2204R-1.5TRG1 integrates a precision 1.24V bandgap reference, error amplifier, resistor network for fixed 1.5V output, thermal shutdown circuitry, and enable-controlled pass transistor. Its EPNP-based high-voltage process enables operation up to 24V input while maintaining low quiescent current and tight line/load regulation.
It features internal current limiting (250mA absolute max), thermal foldback protection, and an enable input compatible with 2.0V logic-high threshold. The SOT-89 Option 1 pinout places VIN on Pin 1, GND on Pin 2, and VOUT on Pin 3-requiring substrate connection to GND per Note 4 for optimal thermal dissipation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage | Fixed 1.5V ±2% (±30mV) - ensures stable core voltage for low-power MCUs and sensors without external feedback. |
| Input Voltage Range | 2.6V to 24V - supports wide-input industrial and automotive auxiliary rails, including 12V battery systems with transient tolerance. |
| Dropout Voltage | 100mV @ 100µA load - enables regulation down to VIN = 1.6V, critical for battery end-of-life operation in portable devices. |
| PSRR | 60dB @ 1kHz - suppresses switching noise from upstream DC-DC converters feeding sensitive analog or RF subsystems. |
| Quiescent Current | 20µA @ zero load - extends battery life in always-on monitoring circuits and IoT endpoint sleep modes. |
| Enable Threshold | VEN(HI) = 2.0V min, VEN(LO) = 0.4V max - interfaces directly with 3.3V/1.8V GPIO without level-shifting. |
| Thermal Resistance | θJA = 165°C/W (SOT-89) - requires minimum 1.5cm² copper pour connected to exposed pad (Pin 2/GND) for 150mA continuous operation. |
Pinout & Package
SOT-89 package (Option 1) with exposed pad thermally connected to Pin 2 (GND). Requires soldering of exposed pad to ≥1.5cm² PCB copper area for thermal management per datasheet Note 4.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | VIN | Main input supply connection; must be decoupled with ≥1.0µF ceramic capacitor close to pin. |
| 2 | GND | Power ground and thermal pad anchor; connects internally to exposed substrate for heat conduction. |
| 3 | VOUT | Regulated 1.5V output; requires ≥2.2µF ceramic capacitor with ESR < 100mΩ for stability. |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low dropout | 100mV @ 100µA enables operation with minimal headroom-critical for single-cell Li-ion or coin-cell applications. |
| Low-noise regulation | 30µVRMS output noise (10Hz–100kHz) preserves signal integrity in ADC reference or op-amp biasing paths. |
| Ceramic capacitor compatible | Stable with 1µF input / 2.2µF output ceramics-eliminates need for costly tantalum or electrolytic capacitors. |
| Thermal shutdown | Activates at +150°C junction temperature and auto-recovers-prevents permanent damage during overload or poor heatsinking. |
| Lead-free & green | Fully RoHS 3 compliant (<900ppm Br/Cl, <1000ppm Sb); suitable for consumer, industrial, and automotive-qualified designs. |
Applications
| Portable Medical Sensors | USB-Powered Test Equipment |
|---|---|
|
Use Scenario: Powering low-power analog front-end (AFE) and BLE SoC in handheld glucose meters and pulse oximeters. IC Role / Device Role / Timing Role: Provides clean, stable 1.5V bias for precision ADC reference and sensor excitation circuitry. Use Value: 30µVRMS noise and ±2% accuracy ensure sub-0.5% measurement error; 20µA quiescent current extends single-CR2032 battery life to >12 months. |
Use Scenario: Regulating power for FPGA configuration memory and USB PHY interface in field-deployable signal analyzers. IC Role / Device Role / Timing Role: Delivers ripple-free 1.5V to USB transceiver I/O banks and configuration SRAM, rejecting noise from shared 5V USB bus. Use Value: 60dB PSRR at 1kHz prevents digital switching noise from corrupting analog acquisition; SOT-89 thermal pad handles 150mA peak bursts during data capture. |
| Industrial Control I/O Modules | Smart Home Edge Nodes |
|
Use Scenario: Supplying isolated 1.5V logic for optocoupler drivers and RS-485 transceiver bias in DIN-rail PLC modules. IC Role / Device Role / Timing Role: Acts as post-regulator after wide-input DC-DC stage, ensuring consistent voltage despite 24V rail fluctuations. Use Value: 0.05% line regulation maintains timing accuracy in UART communication; 2.6V–24V input range accommodates brownout and surge conditions per IEC 61000-4-5. |
Use Scenario: Powering Zigbee/NB-IoT modem baseband ICs and environmental sensors in battery-operated smart thermostats. IC Role / Device Role / Timing Role: Supplies regulated 1.5V to RF transceiver LDO input and sensor ASICs during active transmission cycles. Use Value: Enable pin allows full system shutdown (0.01µA standby) between sensor reads; 100mV dropout extends usable battery range by 18% vs. standard LDOs. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar ULDO regulator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MCP1700T-1502E/TT | 150mA max, 1.5V fixed, SOT-23-3; higher dropout (260mV @ 100mA), no enable pin. | Lacks EN control and thermal shutdown; limited to low-power always-on use cases without sequencing. | Select when board space is constrained to SOT-23-3 and enable functionality is unnecessary. |
| TPS7A2015PDQNR | 300mA max, 1.5V fixed, X2SON-4; lower dropout (175mV @ 100mA), 25µA IQ, integrated EN. | Better thermal performance (θJA = 120°C/W) but requires tighter layout control for 0.65mm pitch. | Prefer for higher-current or thermally demanding layouts where X2SON-4 footprint is acceptable. |
Compared with MCP1700T-1502E/TT, AP2204R-1.5TRG1 adds enable control and thermal protection at cost of larger SOT-89 footprint; versus TPS7A2015PDQNR, it trades higher thermal resistance for broader input range (24V vs. 6V) and proven robustness in industrial transients.
Availability
AP2204R-1.5TRG1 is available at Aetrix Electronics and suitable for portable medical sensors, USB-powered test equipment, industrial control I/O modules, and smart home edge nodes requiring stable component supply with full traceability and long-term lifecycle support.
Supply support for AP2204R-1.5TRG1 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-reliability power management, signal integrity, and protection solutions for industrial, computing, and consumer markets.
The AP2204 series targets portable and battery-powered applications needing wide-input, low-noise, low-quiescent-current regulation-designed specifically for USB peripherals, handheld instruments, and energy-harvesting systems where efficiency and size are critical.
FAQ
What is the maximum continuous output current for AP2204R-1.5TRG1 in SOT-89 package?
The AP2204R-1.5TRG1 supports 150mA continuous output current under recommended operating conditions (TJ ≤ +125°C, θJA = 165°C/W, 1.5cm² thermal pad). At 150mA, dropout rises to 500mV; derating is required above +85°C ambient unless additional copper area or airflow is provided.
Can AP2204R-1.5TRG1 be used with input voltages below 2.6V?
No-minimum recommended input is the greater of 2.6V or VOUT + 1V (i.e., 2.5V). Below 2.6V, regulation ceases and output collapses into dropout; the device does not guarantee specification compliance or thermal safety in this region per Recommended Operating Conditions.
Is the exposed pad on SOT-89 Option 1 electrically connected, and how should it be handled?
Yes-the exposed pad is internally connected to Pin 2 (GND) per datasheet Note 4. It must be soldered to a ≥1.5cm² PCB copper pour tied to system ground to achieve rated θJA = 165°C/W and prevent thermal shutdown during 150mA operation.
Does AP2204R-1.5TRG1 require an external capacitor on the ADJ pin?
No-AP2204R-1.5TRG1 is a fixed-output variant; the ADJ pin is not present. Only adjustable versions (e.g., AP2204K-ADJTRG1) use the ADJ pin. For this part, no external resistors or capacitors are needed beyond the mandatory 1.0µF input and 2.2µF output ceramic capacitors.
AP2204R-1.5TRG1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- TO-243AA
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Output Configuration:
- Positive
- Output Type:
- Fixed
- Number of Regulators:
- 1
- Voltage - Input (Max):
- 24V
- Voltage - Output (Min/Fixed):
- 1.5V
- Voltage - Output (Max):
- -
- Voltage Dropout (Max):
- 0.5V @ 150mA
- Current - Output:
- 150mA
- Current - Quiescent (Iq):
- 50 µA
- Current - Supply (Max):
- 2.5 mA
- PSRR:
- 60dB (100Hz ~ 1kHz)
- Control Features:
- -
- Protection Features:
- Over Current, Over Temperature
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-89-3
AP2204R-1.5TRG1 FAQ
1.How can I place an order for AP2204R-1.5TRG1 through Aetrix?
Please submit a Request for Quotation (RFQ) for AP2204R-1.5TRG1 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 AP2204R-1.5TRG1 reliable?
The price and inventory of AP2204R-1.5TRG1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AP2204R-1.5TRG1 is usually 5 days.
3.What payment methods are accepted for AP2204R-1.5TRG1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AP2204R-1.5TRG1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AP2204R-1.5TRG1?
AP2204R-1.5TRG1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AP2204R-1.5TRG1 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 AP2204R-1.5TRG1?
For technical support, including AP2204R-1.5TRG1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AP2204R-1.5TRG1 requirements.
6.How does Aetrix verify that AP2204R-1.5TRG1 is sourced from the original manufacturer or authorized distributors?
All AP2204R-1.5TRG1 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 AP2204R-1.5TRG1 meets industry standards.
7.What is the process for return or replacement of AP2204R-1.5TRG1?
All AP2204R-1.5TRG1 units undergo pre-shipment inspection (PSI). If there is an issue with AP2204R-1.5TRG1, 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 AP2204R-1.5TRG1 part is unused and in its original packaging.
Return procedure for AP2204R-1.5TRG1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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