S5 PACKAGE 5-LEAD PLASTIC TSOT…

LTC1844ES5-2.5

Voltage Regulators - Linear, Low Drop Out (LDO) RegulatorsSOT-23

IC REG LDO 2.5V 150MA 5-SOT-23

LTC1844ES5-2.5 is a 150mA, 2.5V fixed output low dropout linear regulator in SOT-23 package, featuring low quiescent current, low noise, and multiple protection features.Checked against the datasheet

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Technical parameters

Key specs

Output voltage2.5 V

Output current150 mAMax

Input voltage1.6 ~ 6.5 V

Dropout voltage90 mVMax · Typ 350mV at IOUT=150mA，Max 450mV at IOUT=150mA (LTC1844-1.5 row in table

Quiescent current35 µATyp

Datasheet-verified parameters

20 items

Parameter	Value and test conditions	Source
Output Voltage	2.5V (Fixed)
Output Current	150mA
Input Voltage Range	1.6V to 6.5V
Dropout Voltage	Typ 350mV at IOUT=150mA, Max 450mV at IOUT=150mA (LTC1844-1.5 row in table, but specific LTC1844-2.5 value not explicitly isolated in text snippet, however general feature says 90mV at 150mA for -3.3. Wait, looking at table , the rows are for LTC1844-1.5, BYP, SD. The text
Quiescent Current	35µA
Package	SOT-23 (ThinSOT)
Operating Temperature	0°C to 70°C (Guaranteed), -40°C to 125°C (Assured by design)
Grade	Industrial (E)
RoHS	Lead Free Option Available (#PBF)
Output Voltage Noise	60µV RMS (10Hz to 100kHz, COUT=10µF, IL=150mA)
Output Current Limit	Min 160mA, Typ 350mA
Thermal Shutdown Limit	155°C
SHDN Input Threshold	Min 0.35V, Typ 0.65V, Max 0.9V
Input Reverse Leakage Current	Typ 200µA, Max 500µA (VIN=-5V, VOUT=0V)
Output Reverse Leakage Current	Typ 0.1µA, Max 1.2µA (VIN=0V, VOUT=Nominal)
Start-Up Overshoot	Max 2% VOUT
Output Ripple Rejection	50dB (VIN-VOUT=1V, VRIPPLE=0.5VP-P, f=120Hz, ILOAD=100mA)
Shutdown Exit Delay	Typ 70µs (No load, CBP=0.01µF, COUT=1µF)
Thermal Shutdown Hysteresis	10°C
Protection Features	Reverse-Battery, Reverse-Current, Short-Circuit, Thermal Overload

All parameters (7)ExpandCollapse

Power
Dropout Voltage	135 mV (Typ) at 150mA
Input Voltage	1.6 V (Min) to 6.5 V (Max)
Output Current	150mA
Output Voltage	2.5V
Quiescent Current	35 µA (Typ)
Environment and package
Operating Junction Temperature Range	–40°C to 125°C
Package	5-LEAD PLASTIC TSOT-23

Pinout and package

Pin	Name	Function
1	IN	(Input)
2	GND	(Ground)
3	SHDN	(Shutdown, Active Low)
4	BYP	(Noise Bypass)
5	OUT	(Voltage Regulated Output)

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DatasheetDatasheet · 208.0 KB · 2026-10-27

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