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Diodes Incorporated PT7M8202B15TA5EX
- Part No.:
- PT7M8202B15TA5EX
- Manufacturer:
- Diodes Incorporated
- Package:
- SC-74A, SOT-753
- Datasheet:
-
PT7M8202B15TA5EX.pdf
- Description:
- IC REG LINEAR 1.5V 300MA SOT23-5
- Quantity:
- Payment:
- Shipping:
Inventory:1,038
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Product details
Overview
PT7M8202B15TA5EX from Pericom Semiconductor is a high-accuracy, ultra-low-noise LDO regulator delivering 300mA output current with 270mV dropout at 300mA (for 3.3V output), 30µVRMS output noise at 1.2V, and 80dB PSRR at 1kHz-designed for RF power supply rails in mobile phones and portable wireless devices.
For engineers reviewing the PT7M8202B15TA5EX datasheet, PT7M8202B15TA5EX pinout, PT7M8202B15TA5EX application, or PT7M8202B15TA5EX equivalent, key selection criteria include low-noise performance for RF front-end biasing, EN-controlled quick start-up (50µs), thermal shutdown at 170°C, and compatibility with 1µF ceramic input/output capacitors.
Technical Context
The PT7M8202B15TA5EX uses a P-channel MOSFET pass element with internal phase compensation optimized for stability with low-ESR ceramic capacitors. Its error amplifier compares a resistor-divided output voltage against a precision bandgap reference to maintain regulation across load, line, and temperature variations.
It integrates dedicated circuitry for EN control (high-active logic), BP pin-based noise filtering via 22nF capacitor, and dual protection: current-limiting (450mA typical) and thermal shutdown with 40°C hysteresis. The device operates from 1.8V to 5.5V input and delivers a factory-trimmed 1.5V output (per "B15" suffix).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage | 1.5V ±2% - factory-trimmed, stable over -40°C to +85°C with ±100ppm/°C tempco |
| Max Output Current | 300mA - supports RF transceivers and baseband ICs without thermal derating at ambient ≤85°C |
| Dropout Voltage | 270mV @300mA - enables operation from 1.77V input for 1.5V rail, critical for battery-powered systems |
| Output Noise | 30µVRMS (10Hz–100kHz) - achieved via BP pin bypass; meets GSM/CDMA RF section noise floor requirements |
| PSRR | 80dB @1kHz - suppresses switching noise from DC-DC converters feeding the LDO input |
| Standby Current | 0.1µA @EN=LOW - enables ultra-low-power sleep modes in portable devices |
| Start-up Time | 50µs typical - ensures rapid power sequencing for wake-up events in mobile applications |
Pinout & Package
SOT23-5L package (TA5 code), 2.9mm × 1.6mm × 1.1mm body, lead-free and RoHS-compliant. Compatible with standard SOT23 pick-and-place equipment and reflow profiles.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VIN (Pin 1) | Regulator input supply | Accepts 1.8–5.5V; requires local 1µF X5R/X7R ceramic bypass to GND for stability |
| GND (Pin 2) | Analog/digital ground reference | Common return for VIN, VOUT, EN, and BP; must be low-impedance plane |
| EN (Pin 3) | Enable control input | High-active logic: >1.5V = ON, <0.3V = OFF; drives internal switch to disable output |
| BP (Pin 4) | Noise bypass terminal | Connects to 22nF capacitor to GND; reduces output noise by filtering reference path |
| VOUT (Pin 5) | Regulated output | Delivers 1.5V ±2%; requires 1µF ceramic output capacitor placed adjacent to pin |
Key Features
| Feature | Design Value |
|---|---|
| P-channel MOSFET pass device | Enables low dropout and eliminates need for external compensation components |
| BP pin with 22nF bypass | Reduces integrated output noise to 30µVRMS-critical for RF receiver LNA and mixer bias rails |
| Thermal shutdown with hysteresis | Shuts down at 170°C junction temperature and re-enables only after cooling by ≥40°C |
| Current limit protection | Clamps output at ~450mA to prevent damage during short-circuit or overload conditions |
| Stable with 1µF ceramic caps | Eliminates need for larger, higher-ESR tantalum or aluminum electrolytic capacitors |
Applications
| Mobile Phone RF Power Supply | GSM/CDMA Transceiver Bias |
|---|---|
Use Scenario: Powering RF front-end modules (PA, LNA, mixer) in dual-mode GSM/CDMA handsets. IC Role / Device Role / Timing Role: Primary low-noise bias regulator for sensitive analog RF sections. Use Value: 30µVRMS noise and 80dB PSRR prevent AM-to-PM distortion and adjacent channel interference. | Use Scenario: Providing clean 1.5V supply to CDMA baseband ICs requiring tight voltage tolerance. IC Role / Device Role / Timing Role: Precision voltage source for analog core and ADC reference circuits. Use Value: ±2% output accuracy and ±100ppm/°C tempco ensure consistent signal conversion across temperature. |
| Digital Camera Image Sensor Bias | Portable MP3 Player Audio Codec Supply |
Use Scenario: Supplying image sensor analog blocks (ADC bias, PLL VCO) in compact digital still/video cameras. IC Role / Device Role / Timing Role: Low-noise, fast-start LDO for time-critical sensor initialization sequences. Use Value: 50µs start-up enables immediate sensor power-on after wake-from-sleep command. | Use Scenario: Delivering regulated 1.5V to audio DAC and headphone amplifier in battery-powered MP3 players. IC Role / Device Role / Timing Role: Efficient, quiet power source for analog audio signal chain. Use Value: 0.1µA standby current extends battery life during music pause or menu navigation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar LDO regulator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| Torex XC6206P152MR | Fixed 1.5V output, 150mA max, no BP pin, 45µVRMS noise | Lacks noise-bypass capability and current headroom for RF PA bias | Choose only for non-RF, lower-current applications where cost is primary constraint |
| Richtek RT9193-15GB | 1.5V output, 300mA, no BP pin, 50µVRMS noise, 65dB PSRR @1kHz | Higher noise and lower PSRR reduce suitability for GSM receiver chains | Acceptable for baseband or digital logic rails, but not for RF analog sections |
Compared with XC6206P152MR and RT9193-15GB, the PT7M8202B15TA5EX uniquely combines 300mA drive, 30µVRMS noise, BP-pin optimization, and 80dB PSRR-making it the only option qualified for noise-sensitive RF analog supply nodes in portable wireless systems.
Availability
PT7M8202B15TA5EX is available at Aetrix Electronics and suitable for mobile phone RF power supply, GSM/CDMA transceiver bias, and digital camera image sensor bias requiring stable component supply across production lifecycles.
Supply support for PT7M8202B15TA5EX 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
Pericom Semiconductor Corporation was a fabless analog/mixed-signal IC designer specializing in timing, interface, and power management solutions for communications and consumer electronics before its acquisition by Diodes Incorporated in 2017.
The PT7M8202 series belongs to Pericom's ultra-low-noise LDO product line, engineered specifically for RF power integrity in battery-operated portable wireless devices including cellular handsets and cordless communication systems.
FAQ
What is the function of the BP pin on PT7M8202B15TA5EX?
The BP (Bypass) pin connects to a 22nF capacitor to ground and filters noise on the internal reference voltage path. This reduces output voltage noise to 30µVRMS (10Hz–100kHz). PCB layout requires a direct, short trace between BP and GND; long traces degrade noise performance and may cause instability.
Can PT7M8202B15TA5EX operate with input voltage below 1.8V?
No. The absolute minimum operating input voltage is 1.8V per datasheet specifications. Below this, regulation fails and output drops out of specification. At 1.77V input (for 1.5V output), dropout margin is exhausted-operation is not guaranteed and may result in unregulated output or thermal shutdown under load.
Is PT7M8202B15TA5EX compatible with 0402-size 1µF ceramic capacitors?
Yes. The device is characterized and stable with 1µF X5R/X7R ceramic capacitors in 0402 package (typical ESR <10mΩ). Layout best practice requires placing both input and output capacitors within 2mm of their respective pins, with solid ground plane underneath to minimize loop inductance and ensure PSRR performance.
Does PT7M8202B15TA5EX support reverse polarity protection?
No. The device lacks built-in reverse-voltage protection. Applying reversed input voltage (VIN < GND) may damage the internal P-MOSFET and ESD structures. External protection-such as a series Schottky diode or ideal diode controller-is required if system-level reverse polarity risk exists.
PT7M8202B15TA5EX Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- SC-74A, SOT-753
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Output Configuration:
- Positive
- Output Type:
- Fixed
- Number of Regulators:
- 1
- Voltage - Input (Max):
- 5.5V
- Voltage - Output (Min/Fixed):
- 1.5V
- Voltage - Output (Max):
- -
- Voltage Dropout (Max):
- -
- Current - Output:
- 300mA
- Current - Quiescent (Iq):
- 100 µA
- Current - Supply (Max):
- -
- PSRR:
- 80dB (1kHz)
- Control Features:
- Enable
- Protection Features:
- Over Current, Over Temperature
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-23-5
PT7M8202B15TA5EX FAQ
1.How can I place an order for PT7M8202B15TA5EX through Aetrix?
Please submit a Request for Quotation (RFQ) for PT7M8202B15TA5EX 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 PT7M8202B15TA5EX reliable?
The price and inventory of PT7M8202B15TA5EX are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PT7M8202B15TA5EX is usually 5 days.
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PT7M8202B15TA5EX orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PT7M8202B15TA5EX 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 PT7M8202B15TA5EX?
For technical support, including PT7M8202B15TA5EX datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PT7M8202B15TA5EX requirements.
6.How does Aetrix verify that PT7M8202B15TA5EX is sourced from the original manufacturer or authorized distributors?
All PT7M8202B15TA5EX 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 PT7M8202B15TA5EX meets industry standards.
7.What is the process for return or replacement of PT7M8202B15TA5EX?
All PT7M8202B15TA5EX units undergo pre-shipment inspection (PSI). If there is an issue with PT7M8202B15TA5EX, 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 PT7M8202B15TA5EX part is unused and in its original packaging.
Return procedure for PT7M8202B15TA5EX:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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