MCP1702T-3302E/CB Microchip Integrated Circuit (SOT23 (3-Pin)) In Stock
Microchip MCP1702T-3302E/CB is a 250 mA fixed 3.3 V LDO linear regulator in a 3-pin SOT-23 package, featuring ultra-low 2 µA quiescent current and a wide input voltage range up to 13.2 V. It is ideal for battery-powered and portable designs requiring stable 3.3 V regulation with minimal standby power consumption.
- Manufacturer
- Microchip
- Package
- SOT23 (3-Pin)
- Pin Count
- 3
- Lifecycle
- ACTIVE
- Datasheet
- MCP1702T-3302E/CB Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.4300(MOQ 1)
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 250 mA continuous output current at fixed 3.3 V regulated output
- Ultra-low 2 µA typical quiescent current for extended battery life
- Wide input voltage range from 2.7 V to 13.2 V, absolute max 14.5 V
- Low dropout voltage of 525 mV typical at full 250 mA load
- Compact 3-pin SOT-23A package minimizing PCB footprint
- CMOS-compatible logic with stable output using 1 µF ceramic capacitors
Applications
The MCP1702T-3302E/CB is designed for battery-operated portable electronics, IoT sensor nodes, and wireless modules where the ultra-low 2 µA quiescent current significantly extends cell battery runtime during sleep modes. Its wide 13.2 V input range accommodates 9 V or 12 V unregulated adapter inputs as well as lithium-polymer battery packs, delivering a stable 3.3 V rail to microcontrollers, sensors, and radio transceivers. The tiny SOT-23 package makes it equally useful in space-constrained wearable devices and embedded modules where board area is at a premium.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | SOT-23A-3 |
| Reach Compliance Code | Compliant |
| Factory Lead Time | 6Weeks |
| YTEOL | 9 |
| Adjustability | FIXED |
| Dropout Voltage1-Max | 0.725V |
| Dropout Voltage1-Nom | 0.525V |
| Input Voltage Absolute-Max | 14.5V |
| Input Voltage-Max | 13.2V |
| Input Voltage-Min | 4.124V |
| JESD-30 Code | R-PDSO-G3 |
| JESD-609 Code | e3 |
| Line Regulation-Max | 0.0898524% |
| Load Regulation-Max | 0.0825% |
| Number of Functions | 1 |
| Number of Outputs | 1 |
| Operating Temperature TJ-Max | 125°C |
| Operating Temperature TJ-Min | -40 °C |
| Output Current1-Max | 0.25A |
| Output Voltage1-Max | 3.366V |
| Output Voltage1-Min | 3.234V |
| Output Voltage1-Nom | 3.3V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TO-236 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, LOW PROFILE, SHRINK PITCH |
| Packing Method | TR |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Regulator Type | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR |
| Screening Level | TS 16949 |
| Surface Mount | YES |
| Technology | CMOS |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.95mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 40 |
| Voltage Tolerance-Max | 2% |
| Package | SOT23 (3-Pin) |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.01 |
| Country of Origin | Taiwan, Thailand |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for MCP1702T-3302E/CB:
Microchip Technology Inc HIGH VOLTAGE, LOW QUIESCENT CURRENT LDO
Frequently Asked Questions
How low is the quiescent current of MCP1702T-3302E/CB, and why does it matter for IoT sleep modes?
The MCP1702T-3302E/CB draws only 2 µA typical quiescent current with no load, which is among the lowest in its LDO class. For an IoT sensor that sleeps 99% of the time on a 1000 mAh AA battery, this 2 µA draw contributes fewer than 57 µW of standby dissipation, extending battery life to over 5 years compared to a regulator drawing 100 µA quiescent current.
What input voltage range does MCP1702T-3302E/CB support, and can it directly regulate a 9 V alkaline battery?
The MCP1702T-3302E/CB accepts input voltages from 2.7 V to 13.2 V continuously, with an absolute maximum of 14.5 V. A fresh 9 V alkaline battery delivers approximately 9.5 V, well within this range, making the MCP1702T suitable for handheld instruments, remote controls, and sensor transmitters powered by standard 9 V batteries while outputting a stable 3.3 V rail.
What is the dropout voltage of MCP1702T-3302E/CB at full load, and how does it affect minimum input requirements?
At the maximum 250 mA output current, the MCP1702T-3302E/CB has a typical dropout voltage of 525 mV and a maximum of 725 mV. To maintain the 3.3 V output at full load, the input must be at least 3.3 V plus 725 mV, or approximately 4.025 V minimum, which is comfortably met by a single-cell lithium-ion battery above 60% charge or any 5 V USB supply.
What output capacitor does MCP1702T-3302E/CB require for stable regulation, and does it work with ceramic capacitors?
The MCP1702T-3302E/CB is stable with output capacitors as small as 1 µF ceramic (X5R or X7R), unlike older LDOs that required large tantalum capacitors for stability. This compatibility with inexpensive ceramic capacitors simplifies BOM sourcing, reduces leakage current concerns, and allows the full regulator circuit—IC plus input and output caps—to fit in a footprint under 10 mm² on a modern compact PCB.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $0.5360 | $0.54 |
| 3+ | $0.4823 | $1.45 |
| 1000+ | $0.4600 | $460.00 |
| 5000+ | $0.4300 | $2150.00 |
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