NS LP2985AITP-2.8

Mfr. Part

LP2985AITP-2.8

Manufacturer

Luminary Micro/Texas Instruments (TI). Y-IC is a quality distributor for TI. We supply genuine parts and deliver the best products and services to our customers.

Detailed Description

Fixed 2.8 V low-dropout (LDO) linear regulator from the LP2985A family. Designed for low noise, low quiescent current, and stable operation with small ceramic capacitors. Suitable for battery-powered and noise-sensitive designs. Main Category: Integrated Circuits (ICs). Small Classification: Specialized ICs. Current stock quantity: 3993 pcs. Typical date code: 15+.

Key Features

Fixed output voltage: 2.8 V

Output current: up to 150 mA (typical for LP2985 series)

Low dropout: about 200–300 mV at full load (typical at 150 mA)

Very low quiescent current: typically tens of µA

Low output noise with bypass pin (when used with a small capacitor)

High PSRR for clean rails (strong noise rejection in the audio-to-low-MHz range)

Stable with small ceramic capacitors on input/output

Shutdown/enable control for low power standby

Built-in current limit and thermal shutdown protection

Wide operating temperature range (industrial grade)

Key Advantages

Extends battery life due to low quiescent current and shutdown feature

Protects downstream circuits with current limit and thermal shutdown

Quiet power for RF, precision analog, and sensors thanks to low noise and strong PSRR

Simple, small BOM using tiny ceramic capacitors

Drop-in convenience for fixed 2.8 V rails in compact designs

Packaging

(Including aspects such as type, material, size, pin configuration, thermal characteristics, and electrical properties)

Package / Case: 869 (supplier case code; contact Y-IC if you need the exact TI mechanical code for this -AITP variant)

Supply format: typically tape-and-reel for automated assembly (suffix often indicates reel packaging). Please confirm reel size and orientation with our sales team.

Body material: RoHS-compliant, molded epoxy plastic, lead-free terminations

Size: compact SMD footprint common to 5-pin small-outline regulators (approx. SOT-23-5 class dimensions around 2.9 x 1.6 x 1.1 mm; verify exact outline in the datasheet for -AITP)

Pin configuration (typical for LP2985 family in 5-pin small-outline):

• IN (VIN)

• GND

• OUT (VOUT 2.8 V fixed)

• SHDN/EN (enable, active-high)

• BYPASS (noise-reduction capacitor pin)

Always verify pinout against the exact package drawing for LP2985AITP-2.8.

Thermal characteristics (typical for small-outline 5-pin LDOs on JEDEC board):

• θJA roughly 200–250°C/W depending on copper area

• Power dissipation improves with larger copper planes under the ground and output pins

For safe operation, evaluate VIN–VOUT drop and load current to keep junction temperature within limits.

Electrical properties (family-typical; check datasheet for exact numbers):

• IOUT up to 150 mA

• Dropout around 0.2–0.3 V at 150 mA

• Quiescent current typically tens of µA (rises under load)

• Output noise can be reduced to tens of µVrms using a small CBYP cap

• PSRR strong in kHz range, tapering at higher frequencies

• Protections: current limit, thermal shutdown

Lifecycle

Status: Mature, widely used TI regulator family. Not known to be near discontinuation as of the latest public information. For the most current lifecycle status of LP2985AITP-2.8, please confirm with Y-IC sales.

Equivalent or alternative models (selection depends on input voltage, noise, PSRR, current, and package needs):

• Texas Instruments:

- LP2985A-2.8 (same family, other package/order codes)

- LP2985-N variants (legacy National versions)

- LP5907-2.8 (250 mA, ultra-low-noise, very low Iq)

- TPS7A02-2.8 (200 mA, nano-Iq, fast transient, excellent PSRR)

- TLV700-28 (200 mA, low Iq, lower VIN max)

- TPS7A24-2.8 (200 mA, low Iq, higher VIN tolerance options)

• Microchip:

- MCP1700-2802 (250 mA class, ultra-low Iq, lower VIN max)

- MCP1703/1703A-2802 (250 mA, up to 16 V VIN)

• Analog Devices/Maxim:

- MAX38902A-28 (150 mA, low noise, high PSRR)

- ADP160-2.8 (150 mA, low Iq)

• ON Semiconductor:

- NCP4681DSQ28 (150 mA, low Iq)

Review electrical differences carefully (VIN max, dropout, noise, PSRR, current, package, and pinout). If you need pin-to-pin or performance-optimized replacements, contact our sales team on the Y-IC website for tailored recommendations.

Key Application Areas

Battery-powered devices, wearables, portable instruments

RF modules, BLE/Wi‑Fi, GPS, and ISM radios (low-noise rail)

Precision sensors, ADC/DAC, and low-noise analog front-ends

MCU/MPU/FPGA auxiliary rails at 2.8 V

Imaging modules, cameras, and audio circuits

Industrial control and test equipment needing quiet 2.8 V supplies

Datasheet

Y-IC provides the most authoritative datasheet for LP2985AITP-2.8 on our product page. We recommend downloading it now from this page to verify pinout, package outline, absolute maximum ratings, and all electrical characteristics.

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