SOT23-5

TJ9198GSF5-3.3D

Voltage Regulators - Linear, Low Drop Out (LDO) RegulatorsSOT23-5

IC REG LDO 3.3V 300MA SOT23-5

TJ9198GSF5-3.3D is a 300mA low dropout linear voltage regulator with a fixed 3.3V output in SOT23-5 package, featuring enable control and output auto-discharge, stable with 1µF MLCC.Checked against the datasheet

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Technical parameters

Key specs

Output voltage3.3 V

Output current300 mAMax

Input voltage2.2 ~ 5.5 V

Dropout voltage300 mVMax · Max 300 mV (at IOUT=300mA，2.5V ≤ VOUT < 3.0V)

Quiescent current35 µATyp · Max 60 μA (at IOUT=0mA)

Datasheet-verified parameters

24 items

Parameter	Value and test conditions	Source
Output Voltage	3.3V (Fixed)
Output Current	300 mA
Input Voltage Range	2.2 V ~ 5.5 V
Dropout Voltage	Typ 200 mV, Max 300 mV (at IOUT=300mA, 2.5V ≤ VOUT < 3.0V)
Quiescent Current	Typ 35 µA, Max 60 µA (at IOUT=0mA)
Package	SOT23-5
Operating Temperature	-40 °C ~ 125 °C (Junction Temperature Range)
Grade	Green (Halogen Free)
RoHS	Compliant
Halogen Free	Yes (G : Halogen Free)
Absolute Maximum Input Supply Voltage	Min -0.3 V, Max 6 V
Absolute Maximum Output Current	Max 300 mA
ESD Rating, HBM	2 kV
Storage Temperature Range	-55 °C ~ 150 °C
Output Voltage Tolerance	Min -2 %, Max 2 % (at VOUT+1V ≤ VIN ≤ 5.0V)
Line Regulation	Typ 0.2 %/V (at VOUT+1V ≤ VIN ≤ 5.0V)
Load Regulation	Typ 15 mV, Max 30 mV (at 1mA ≤ IOUT ≤ 300mA)
Shutdown Current	Typ 0.1 µA, Max 1 µA (at VEN < 0.2V)
Power Supply Ripple Rejection	Typ 55 dB (at f=1kHz, IOUT=30mA)
Enable Threshold Logic Low	Max 0.4 V
Enable Threshold Logic High	Min 1.2 V, Max VIN
Thermal Shutdown Temperature	165 °C
Thermal Shutdown Hysteresis	20 °C
Protection Features	Over Current Protection, Over Temperature Protection, Output Auto Discharge

All parameters (8)ExpandCollapse

Power
Dropout Voltage	190 mV (Typ)
Input Voltage Range	2.2 V (Min) to 5.5 V (Max)
Output Current	300 mA (Typ)
Output Voltage	3.3 V
Quiescent Current	35 µA (Typ)
Environment and package
Operating Temperature Range	-40 °C (Min) to 85 °C (Max)
Package	SOT23-5
Other
Features	Enable, Auto Discharge

Pinout and package

Pin	Name	Function
1	IN	(Supply Input)
2	GND	(Ground)
3	EN	(Chip Enable)
4	NC	(No Connection)
5	OUT	(Output Voltage)

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DatasheetDatasheet · 403.2 KB · 2026-11-09

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