Texas Instruments LP5990TM-3.3/NOPB

Mfr. Part

LP5990TM-3.3/NOPB

Manufacturer

Luminary Micro and Texas Instruments

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Detailed Description

Ultra low dropout linear regulator LDO fixed at 3.3 V up to 200 mA in a tiny 4-ball DSBGA WLCSP package. Surface-mount design with enable control, high PSRR, and integrated protections. RoHS3 compliant and suitable for -40 to 85 C operation

Key Features

Fixed 3.3 V positive output

200 mA max load current

Low dropout 250 mV at 200 mA

High PSRR 55 dB at 10 kHz for cleaner rails

Very low quiescent current around 75 µA typical for better battery life

Enable pin for simple on off control

Protections include over current over temperature and short circuit

Single regulator channel

5.5 V max input voltage

Ultra compact 4-ball DSBGA WLCSP package

Tape and Reel for automated assembly

RoHS3 compliant lead free NOPB

Key Advantages

Clean stable 3.3 V for noise sensitive loads and RF or analog circuits

Saves PCB space in portable and wearables with tiny footprint

Better efficiency at light load due to low quiescent current

Low dropout supports operation close to battery voltage

Built-in protections improve system safety and reliability

Simple design with minimal external parts

Enable control makes power sequencing easy

Packaging

Shipment format Tape and Reel TR with current stock about 2591 units

Device package 4-ball DSBGA WLCSP also listed as 4-WFBGA or 4-DSBGA

Supplier device package 4-DSBGA

Base product number LP5990

Material lead free solder balls SnAgCu green NOPB RoHS3 compliant

Size ultra compact approximately 1 mm by 1 mm class body with a 2 by 2 ball array

Ball pitch around 0.5 mm typical suitable for fine line SMT

Pin configuration VIN VOUT GND EN in a 2 by 2 grid

Mounting type surface mount

Operating temperature range -40 to 85 C

Thermal notes small WLCSP needs good copper for heat spreading. If input voltage is far above 3.3 V power dissipation rises. Use thermal calculations and layout guidelines to stay within limits

Electrical properties fixed 3.3 V output 200 mA max dropout 250 mV at 200 mA PSRR 55 dB at 10 kHz low quiescent current approximately 75 µA protections include over current over temperature and short circuit

Lifecycle

Status actively used and broadly available in many designs

Not indicated as near discontinuation at the time of writing but availability can vary

Functional alternatives and similar models verify fit before substitution

- Texas Instruments LP5907 3.3 V 250 mA low noise LDO various small packages

- Texas Instruments TPS7A02 3.3 V 200 mA ultra low IQ small packages

- Texas Instruments TPS7A03 3.3 V 200 mA low noise LDO compact WLCSP options

- Texas Instruments TPS7A05 3.3 V 200 mA LDO small footprint options

- Analog Devices ADP151 3.3 V 200 mA low noise LDO multiple packages

- Microchip MCP1711 3.3 V 150 mA ultra low IQ LDO SMD options

- Onsemi NCP699 3.3 V 300 mA low noise LDO various packages

Pinout package and detailed specs may differ. Always confirm electrical and mechanical compatibility in the datasheet

For exact drop-in replacements or more alternatives contact our sales team via the Y-IC website

Key Application Areas

Smartphones tablets wearables and other battery powered devices

Portable instruments handheld meters and data loggers

Camera modules image sensors and ISP rails

RF transceivers Wi Fi Bluetooth and GNSS front ends

Audio codecs DACs ADCs and other low noise analog rails

FPGA MCU and DSP auxiliary rails and always on domains

Precision sensors references and measurement circuits needing clean 3.3 V

Datasheet

Our website hosts the most authoritative datasheet for LP5990TM-3.3/NOPB. Download it on this page for complete specifications layout guidance and application notes

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