LP3985IM5-3.0/NOPB Part Information

Details for LP3985IM5-3.0/NOPB by Texas Instruments

Semiconductors - ICs>Power Management ICs - PMIC>Voltage Regulators

Part Description

The LP3985 is designed for portable and wireless applications with demanding performance and space requirements. LP3985 performance is optimized for battery-powered systems to deliver ultra low noise, extremely low dropout voltage, and low quiescent current. Regulator ground current increases only slightly in dropout, further prolonging the battery life. The LP3985 is stable with a small 1-µF ±30% ceramic or high-quality tantalum output capacitor. The DSBGA requires the smallest possible PC board area - the total application circuit area can be less than 2 mm x 2.5 mm, a fraction of a 1206 case size. An optional external bypass capacitor reduces the output noise without slowing down the load transient response. Fast startup time is achieved by utilizing an internal power-on circuit that actively pre-charges the bypass capacitor. Power supply rejection is better than 50 dB at low frequencies and starts to roll off at 1 kHz. High power supply rejection is maintained down to low input voltage levels common to battery operated circuits. The device is ideal for mobile phone and similar battery-powered wireless applications. It provides up to 150 mA, from a 2.5-V to 6-V input. The LP3985 consumes less than 1.5 µA in disable mode and has fast turn-on time less than 200 µs. The LP3985 is available with fixed output voltages from 2.5 V to 5 V. Contact Texas Instruments Sales for specific voltage option needs.

Part Downloads

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Part Features

  • 100-mV Maximum Dropout with 150-mA Load
  • 150-mA Verified Output
  • 2.5-V, 2.6-V, 2.7-V, 2.8-V, 2.85-V, 2.9-V, 3-V, 3.1- V, 3.2-V, 3.3-V, 4.7-V, 4.75-V, 4.8-V and 5-V Outputs Standard
  • 30-u03bcVRMS Output Noise (typical) over 10 Hz to 100 kHz
  • 50-dB PSRR at 1 kHz at VIN = VOUT + 0.2 V
  • Fast Turn-On time: 200 u03bcs (typ.)
  • Fast Turnon
  • Input Voltage: 2.5 V to 6 V
  • Logic Controlled Enable
  • Stable with Ceramic and High-Quality Tantalum Capacitors
  • Thermal Shutdown and Short-Circuit Current Limit
  • u221240u00b0C to 125u00b0C Junction Temperature Range for Operation
  • u2264 1.5-u03bcA Quiescent Current when Shut Down

Part Specifications

Output Type Fixed
Input Voltage Min 2.5V
Input Voltage Max 6V
Fixed Output Voltage Nom. 3V
Adjustable Output Voltage Min -
Adjustable Output Voltage Max -
Output Current 150mA
Dropout Voltage Vdo 60mV
LDO Regulator Case Style SOT-23
No. of Pins 5Pins
Operating Temperature Min -40°C
Operating Temperature Max 125°C
Product Range 3V 150mA LDO Voltage Regulators
Automotive Qualification Standard -
RoHS Phthalates Compliant Yes
MSL MSL 1 - Unlimited
SVHC No SVHC (27-Jun-2018)
Accuracy % 2%
No. of Outputs 1Outputs
Operating Temperature Range -40°C to +125°C
Output Current Max 0.15A
Output Voltage Nom. 3V
Primary Input Voltage 3.5V
Supply Voltage Max 6V
Supply Voltage Min 2.5V
Termination Type Surface Mount Device
Voltage Regulator Type LDO Fixed Positive
RoHS Compliant

Alternative Part Descriptions

  • LDO VOLTAGE REGULATOR, 3V, 150mA, 5-SOT-23; Output Type:Fixed; Input Voltage Min:2.5V; Input Voltage Max:6V; Fixed Output Voltage Nom.:3V; Adjustable Output Voltage Min:-; Adjustable Output Voltage Max:-; Output Current:150mA RoHS Compliant: Yes | Newark Electronics
  • 150-mA, low-dropout voltage regulator with bypass & enable | Texas Instruments
  • LDO Voltage Regulator [Texas Instruments] LP3985IM5-3.0/NOPB LDO Voltage Regulator | Distrelec

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