LP2951-33DR Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
LP2951-33DR is a 30V, 100mA micropower LDO voltage regulator with fixed 3.3V output, featuring ultra-low 380mV dropout voltage, shutdown control, and error flag output. Ideal for battery-powered and portable devices.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- LP2951-33DR Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.3078(MOQ 1)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of LP2951-33DR?
- Fixed 3.3V output with ultra-low 380mV typical dropout voltage at 100mA load
- Wide input voltage range from 3.966V to 30V absolute maximum
- Micropower quiescent current enables efficient battery-powered designs
- Integrated shutdown pin for power management and enable control
- Error flag output signals out-of-regulation conditions to the system
- Available in compact SOIC-8 package for space-constrained applications
What is LP2951-33DR used for?
The LP2951-33DR is well-suited for battery-powered portable electronics such as handheld instruments, IoT sensors, and wearable devices where low quiescent current and low dropout voltage are critical for maximizing battery life. It is also commonly used in microcontroller supply rails, data acquisition systems, and industrial control boards that require a stable 3.3V regulated output from higher or variable supply voltages.
What are the specifications of LP2951-33DR?
| Pbfree Code | Yes |
| YTEOL | 15 |
| Adjustability | FIXED |
| Dropout Voltage1-Max | 0.6V |
| Dropout Voltage1-Nom | 0.38V |
| Input Voltage Absolute-Max | 30V |
| Input Voltage-Max | 30V |
| Input Voltage-Min | 3.966V |
| JESD-30 Code | R-PDSO-G8 |
| JESD-609 Code | e4 |
| Line Regulation-Max | 0.0132% |
| Load Regulation-Max | 0.0099% |
| Number of Functions | 1 |
| Number of Outputs | 1 |
| Operating Temperature TJ-Max | 125°C |
| Operating Temperature TJ-Min | -40 °C |
| Output Current1-Max | 0.1A |
| Output Voltage1-Max | 3.366V |
| Output Voltage1-Min | 3.234V |
| Output Voltage1-Nom | 3.3V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP8,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Packing Method | TR |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Regulator Type | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR |
| Surface Mount | YES |
| Technology | BIPOLAR |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Voltage Tolerance-Max | 2% |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
| Country of Origin | Mexico |
Where can I find the LP2951-33DR datasheet?
LP2951-33DR Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for LP2951-33DR?
Compatible alternatives and drop-in replacements for LP2951-33DR:
Frequently Asked Questions
What is the output voltage of the LP2951-33DR?
The LP2951-33DR provides a fixed 3.3V regulated output. It is designed to maintain this voltage with an input supply ranging from approximately 3.966V minimum up to 30V absolute maximum, making it versatile for a wide range of supply rail scenarios.
What is the dropout voltage of the LP2951-33DR?
The LP2951-33DR features a typical dropout voltage of 380mV and a maximum of 600mV at the full 100mA output current. This low dropout characteristic makes it suitable for battery-powered applications where the input voltage is close to the regulated output voltage.
What are the typical applications for the LP2951-33DR?
The LP2951-33DR is commonly used in portable and battery-operated equipment including handheld instruments, IoT modules, wearables, microcontroller supply rails, and industrial sensors. Its micropower operation and low dropout voltage help extend battery life in always-on systems.
What package does the LP2951-33DR come in?
The LP2951-33DR is supplied in an SOIC-8 (Small Outline IC, 8-pin) surface-mount package, which is compact and suitable for automated PCB assembly. This package style is widely used in consumer, industrial, and communications electronics.
Can the LP2951-33DR be shut down to reduce power consumption?
Yes, the LP2951-33DR includes a dedicated shutdown pin that allows the regulator to be disabled under software or hardware control. When shutdown is asserted, the quiescent current drops to a very low level, which is ideal for duty-cycled or sleep-mode applications that need to conserve battery energy.
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Why Buy from FindMyChip
About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
More from Texas Instruments
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $0.5634 | $0.56 |
| 10+ | $0.4695 | $4.69 |
| 44+ | $0.3756 | $16.53 |
| 100+ | $0.3525 | $35.25 |
| 250+ | $0.3386 | $84.65 |
| 500+ | $0.3078 | $153.90 |
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