LP2951CD-3.3G

ObsoleteVoltage Regulators - Linear, Low Drop Out (LDO) RegulatorsSOIC-8

IC REG LINEAR 3.3V 100MA 8SOIC

LP2951CD-3.3G is a 3.3V low dropout linear voltage regulator in SOIC-8 package, with 100mA max output current, 75μA typical quiescent current, overcurrent and thermal protection, and RoHS compliance.Checked against the datasheet

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Technical parameters

Key specs

Output voltage3.3 V3.267 V (Min) / 3.300 V (Typ) / 3.333 V (Max) at Vin=4.3 V，IO=100 μA，TA=25°C，3.234 V (Min) / 3.366 V (Max) at Vin=4.3 to 30 V，IO=100 μA to 100 mA，TA=-40 to +125°C

Output current100 mAMax

Input voltage4.3 ~ 30 V

Dropout voltage450 mVMax · 100mA

Quiescent current75 µATyp · 93 μA (Typ) / 120 μA (Max) at IO=100 μA，4.0 mA (Typ) / 12 mA (Max) at IO=100 mA

Datasheet-verified parameters

16 items

Parameter	Value and test conditions	Source
Output Voltage	3.3 V (Nominal); 3.267 V (Min) / 3.300 V (Typ) / 3.333 V (Max) at Vin=4.3 V, IO=100 μA, TA=25°C; 3.234 V (Min) / 3.366 V (Max) at Vin=4.3 to 30 V, IO=100 μA to 100 mA, TA=-40 to +125°C
Output Current	100 mA (Max capability mentioned in description); 100 mA (Test condition for max dropout and current limit)
Input Voltage Range	4.3 V to 30 V (Recommended operating range for 3.3V version based on electrical characteristics test conditions)
Dropout Voltage	30 mV (Typ) / 80 mV (Max) at IO=100 μA; 350 mV (Typ) / 450 mV (Max) at IO=100 mA
Quiescent Current	75 μA (Typical bias current mentioned in features); 93 μA (Typ) / 120 μA (Max) at IO=100 μA; 4.0 mA (Typ) / 12 mA (Max) at IO=100 mA
Package	SOIC-8 (Pb-Free)
Operating Ambient Temperature Range	-40°C to +125°C
Grade	Commercial (LP2951 prefix); NCV2951 prefix is AEC-Q100 Qualified
RoHS	Compliant (Pb-Free and RoHS Compliant)
Line Regulation	0.08 % (Typ) / 0.20 % (Max) for LP2951C-XX at Vin=VO(nom)+1.0 V to 30 V
Load Regulation	0.13 % (Typ) / 0.20 % (Max) for LP2951C-XX at IO=100 μA to 100 mA
Current Limit	220 mA (Typ) / 300 mA (Max) at VO Shorted to Ground
Output Noise Voltage	126 μVrms (Typ) at CL=1.0 μF, 10 Hz to 100 kHz; 56 μVrms (Typ) at CL=100 μF, 10 Hz to 100 kHz
Thermal Regulation	0.05 %/W (Typ) / 0.20 %/W (Max)
Protection Features	Internal Current and Thermal Limiting
ESD Protection	HBM 2000 V Class 2; MM 200 V Class B; CDM 2000 V Class IV

All parameters (22)ExpandCollapse

Power
Current - Output	100mA
Current - Quiescent (Iq)	120 µA
Current - Supply (Max)	12 mA
Voltage Dropout (Max)	0.45V @ 100mA
Voltage - Input (Max)	30V
Voltage - Output (Max)	-
Voltage - Output (Min/Fixed)	3.3V
AC and DC characteristics
PSRR	-
Environment and package
Mounting Type	Surface Mount
Operating Temperature	-40°C ~ 125°C
Package	Tube
Package / Case	8-SOIC (0.154", 3.90mm Width)
Supplier Device Package	8-SOIC
Other
Base Product Number	LP2951
Control Features	-
Mfr	onsemi
Number of Regulators	1
Output Configuration	Positive
Output Type	Fixed
Product Status	Obsolete
Protection Features	Over Current, Over Temperature
Series	-

Pinout and package

Pin	Name	Function
1		Output
2		Sense
3		Shutdown
4		GND
5		Error Output
6	VO	Tap
7		Feedback
8		Input

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