LP5907QMFX-3.3Q1
Texas InstrumentsUnited States

LP5907QMFX-3.3Q1

ActiveVoltage Regulators - LinearSOT-23

IC REG LINEAR 3.3V 250MA SOT23-5

LP5907QMFX-3.3Q1 is an automotive-grade 250 mA ultra-low-noise LDO with a fixed 3.3 V output, 2.2 V to 5.5 V input, SOT-23 package, featuring thermal and short-circuit protection.Checked against the datasheet

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Technical parameters

Key specs

Output voltage3.3 V
Output current250 mAMax
Input voltage2.2 ~ 5.5 V
Dropout voltage250 mVMax · 250mA
Quiescent current25 µATyp

Datasheet-verified parameters

23 items
ParameterValue and test conditionsSource
Output voltage3.3 V
Output current0 to 250 mA
Input voltage range2.2 V to 5.5 V
Dropout voltage120 mV (typical) at IOUT=250 mA; 50 mV (typical) at IOUT=100 mA
Quiescent current12 µA (typ) to 25 µA (max) at VEN=1.2 V, IOUT=0 mA; < 1 µA (disabled)
PackageSOT-23 (5)
Operating temperature-40 °C to 125 °C (TA)
GradeAEC-Q100 qualified, Temperature grade 1
Output noise voltage< 6.5 µV RMS (typ) at IOUT=250 mA, BW=10 Hz to 100 kHz
Power-supply rejection ratio82 dB (typ) at f=1 kHz, IOUT=20 mA
Output voltage tolerance±2 %VOUT (max) for VOUT ≥ 1.8 V (SOT-23)
Line regulation0.02 %/V (typ) at IOUT=1 mA
Load regulation0.001 %/mA (typ) at IOUT=1 mA to 250 mA
Short-circuit current limit250 mA (min) to 500 mA (typ) at TA=25 °C
Thermal shutdown160 °C (typ) rising
Thermal hysteresis15 °C (typ) falling from shutdown
Low input threshold0.4 V (typ) at VIN=2.2 V to 5.5 V
High input threshold1.2 V (typ) at VIN=2.2 V to 5.5 V
Start-up time80 µs
Absolute maximum input voltage-0.3 V to 6 V
Absolute maximum junction temperature150 °C
Storage temperature-65 °C to 150 °C
Operating junction temperature-40 °C to 125 °C
All parameters (22)ExpandCollapse
Power
Current - Output250mA
Current - Quiescent (Iq)25 µA
Current - Supply (Max)425 µA
Voltage Dropout (Max)0.25V @ 250mA
Voltage - Input (Max)5.5V
Voltage - Output (Max)-
Voltage - Output (Min/Fixed)3.3V
AC and DC characteristics
PSRR90dB ~ 60dB (100Hz ~ 100kHz)
Environment and package
Mounting TypeSurface Mount
Operating Temperature-40°C~125°C
PackageTape & Reel (TR); Cut Tape (CT); Digi-Reel®
Package / CaseSC-74A, SOT-753
Supplier Device PackageSOT-23-5
Other
Base Product NumberLP5907
Control FeaturesEnable
MfrTexas Instruments
Number of Regulators1
Output ConfigurationPositive
Output TypeFixed
Product StatusActive
Protection FeaturesOver Temperature, Short Circuit
SeriesAutomotive, AEC-Q100

Pinout and package

DBV Package 5-Pin SOT-23 Top V…
DBV Package 5-Pin SOT-23 Top V…
Package: SOT-23 (5)
PinNameFunctionSource
1IN, Input voltage supply, connect a 1-µF capacitor
2GND, Common ground
3EN, Enable input, low disables and discharges, high enables, internal 1-MΩ pulldown
4N/C, No internal electrical connection
5OUT, Regulated output voltage, connect min 1-µF low-ESR capacitor, internal 230-Ω pulldown

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DatasheetDatasheet · 1.2 MB · 2026-10-29
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