Texas Instruments LP3986TLX-3333/NOPB

Mfr. Part

LP3986TLX-3333/NOPB

Manufacturer

Luminary Micro/Texas Instruments

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Detailed Description

Dual-channel low-dropout linear regulator (LDO) with two fixed 3.3 V outputs, 150 mA per channel, in an ultra-compact 8-DSBGA (1.56 x 1.56 mm) package. Positive output configuration, enable control, wide input up to 6 V, strong PSRR, full protection, -40°C to +125°C operation, ROHS3 compliant. Ideal for space-limited, battery-powered systems that need clean 3.3 V rails

Key Features

Dual LDO regulators: 2 outputs, 150 mA max per channel

Fixed output voltage: 3.3 V

Input voltage range: up to 6 V

Low dropout: max 100 mV at 150 mA

PSRR: about 60 dB at 1 kHz, 50 dB at 10 kHz

Low supply consumption: quiescent current about 130 µA (typ), supply current up to ~320 µA (max)

Control: enable pin for easy on/off control

Protections: over-current, short-circuit, over-temperature

Output configuration: positive, fixed

Operating temperature: -40°C to +125°C

Package: 8-DSBGA (WFBGA), 1.56 x 1.56 mm; surface mount

Compliance: ROHS3 compliant

Base product number: LP3986

Key Advantages

Tiny footprint saves PCB area in portable and wearables designs

Low dropout helps extend battery life and reduces heat

Good PSRR improves supply noise rejection for sensitive analog/RF circuits

Two outputs simplify multi-rail 3.3 V power trees and reduce BOM count

Built-in protection features increase system safety and reliability

Enable control supports power sequencing and ultra-low standby power

Packaging

Shipment format: Tape & Reel (TR)

Reel quantity on hand: 4400 units

Package/case: 8-DSBGA (also noted as 8-WFBGA, DSBGA), 1.56 mm x 1.56 mm nominal body

Mounting: surface mount; standard lead-free reflow

Ball/pin configuration: 8-ball array; typical functions include VIN1, VOUT1, EN1, VIN2, VOUT2, EN2, GND (refer to the datasheet for the exact ball map and recommended land pattern)

Materials: flip‑chip die with lead-free SnAgCu solder balls; halogen-free, RoHS-compliant mold compound

Thermal characteristics: thermal performance depends strongly on PCB copper and layout; follow datasheet thermal resistance and power-derating guidance for reliable operation

Electrical properties summary: Vin up to 6 V; Vout fixed 3.3 V; Iout 150 mA per channel; dropout up to 100 mV at 150 mA; PSRR ~60–50 dB (1 kHz–10 kHz); Iq ~130 µA (typ). See datasheet for complete specs and conditions

Lifecycle

Current status: Generally available in TI’s portfolio and not known to be near discontinuation at the time of writing

Note: Lifecycle status can change; please verify the latest status on our website or with Y-IC sales

Direct drop-in equivalents: No officially specified pin-to-pin replacements

Alternatives: Suitable alternatives depend on required voltage, current, noise, PSRR, package, and pinout. If you need a curated list of compatible or second-source options, please contact our sales team via the Y-IC website for detailed recommendations

Key Application Areas

Battery-powered and portable devices needing dual 3.3 V rails

Wearables, IoT nodes, and sensor modules

Wireless and RF subsystems that benefit from good PSRR

MCU/MPU, FPGA, and ASIC 3.3 V I/O and peripheral rails

Cameras, image sensors, audio codecs, and mixed-signal blocks

Industrial handhelds, test instruments, and medical portable equipment

Datasheet

Our website hosts the most authoritative datasheet for LP3986TLX-3333/NOPB. Download it on this page to get full electrical characteristics, ball map, recommended layout, and thermal guidance

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