Specification	LP3966ES-3.3/NOPB

Control Features	Enable
Current - Output	3 A
Current - Quiescent (Iq)	9 mA
Current - Supply (Max) [Max]	15 mA
Mounting Type	Surface Mount
Number of Regulators	1
Operating Temperature [Max]	125 °C
Operating Temperature [Min]	-40 °C
Output Configuration	Positive
Output Type	1.81 mOhm
Package / Case	TO-263-6, TO-263BA, D2PAK (5 Leads + Tab)
Protection Features	Over Temperature, Over Current, Short Circuit
Supplier Device Package	TO-263 (DDPAK-5)
Voltage - Input (Max) [Max]	7 V
Voltage - Output (Min/Fixed)	3.3 V
Voltage Dropout (Max) [Max]	1.2 V

LP3966 Series

Part	Voltage - Output (Min/Fixed)	Mounting Type	Operating Temperature [Max]	Operating Temperature [Min]	Current - Output	Current - Quiescent (Iq)	Number of Regulators	Control Features	Voltage - Input (Max) [Max]	Protection Features	Supplier Device Package	Voltage Dropout (Max) [Max]	Output Type	Package / Case	Output Configuration	Current - Supply (Max) [Max]	Voltage - Output (Max) [Max]	Output Type
Texas Instruments LP3966ES-ADJ/NOPB	1.216 V	Surface Mount	125 °C	-40 °C	3 A	9 mA	1	Enable	7 V	Over Current Over Temperature Short Circuit	TO-263 (DDPAK-5)	1.2 V	Adjustable	D2PAK (5 Leads + Tab) TO-263-6 TO-263BA	Positive	15 mA	5.1 V
Texas Instruments LP3966ES-2.5/NOPB	2.5 V	Surface Mount	125 °C	-40 °C	3 A	9 mA	1	Enable	7 V	Over Current Over Temperature Short Circuit	TO-263 (DDPAK-5)	1.2 V		D2PAK (5 Leads + Tab) TO-263-6 TO-263BA	Positive	15 mA		1.81 mOhm
Texas Instruments LP3966ESX-2.5	2.5 V	Surface Mount	125 °C	-40 °C	3 A	9 mA	1	Enable	7 V	Over Current Over Temperature Short Circuit	TO-263 (DDPAK-5)	1.2 V		D2PAK (5 Leads + Tab) TO-263-6 TO-263BA	Positive	15 mA		1.81 mOhm
Texas Instruments LP3966ESX-3.3	3.3 V	Surface Mount	125 °C	-40 °C	3 A	9 mA	1	Enable	7 V	Over Current Over Temperature Short Circuit	TO-263 (DDPAK-5)	1.2 V		D2PAK (5 Leads + Tab) TO-263-6 TO-263BA	Positive	15 mA		1.81 mOhm
Texas Instruments LP3966ESX-1.8/NOPB	1.8 V	Surface Mount	125 °C	-40 °C	3 A	9 mA	1	Enable	7 V	Over Current Over Temperature Short Circuit	TO-263 (DDPAK-5)	1.2 V		D2PAK (5 Leads + Tab) TO-263-6 TO-263BA	Positive	15 mA		1.81 mOhm
Texas Instruments LP3966ET-5.0/NOPB	5 V	Through Hole	125 °C	-40 °C	3 A	9 mA	1	Enable	7 V	Over Current Over Temperature Short Circuit	TO-220-5	1.2 V		TO-220-5 Formed Leads	Positive	15 mA		1.81 mOhm
Texas Instruments LP3966ESX-ADJ/NOPB	1.216 V	Surface Mount	125 °C	-40 °C	3 A	9 mA	1	Enable	7 V	Over Current Over Temperature Short Circuit	TO-263 (DDPAK-5)	1.2 V	Adjustable	D2PAK (5 Leads + Tab) TO-263-6 TO-263BA	Positive	15 mA	5.1 V
Texas Instruments LP3966ES-3.3/NOPB	3.3 V	Surface Mount	125 °C	-40 °C	3 A	9 mA	1	Enable	7 V	Over Current Over Temperature Short Circuit	TO-263 (DDPAK-5)	1.2 V		D2PAK (5 Leads + Tab) TO-263-6 TO-263BA	Positive	15 mA		1.81 mOhm
Texas Instruments LP3966ET-ADJ	1.216 V	Through Hole	125 °C	-40 °C	3 A	9 mA	1	Enable	7 V	Over Current Over Temperature Short Circuit	TO-220-5	1.2 V	Adjustable	TO-220-5 Formed Leads	Positive	15 mA	5.1 V
Texas Instruments LP3966ESX-2.5/NOPB	2.5 V	Surface Mount	125 °C	-40 °C	3 A	9 mA	1	Enable	7 V	Over Current Over Temperature Short Circuit	TO-263 (DDPAK-5)	1.2 V		D2PAK (5 Leads + Tab) TO-263-6 TO-263BA	Positive	15 mA		1.81 mOhm

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

Distributor	Package	Quantity	$

Arrow	N/A	1	$ 5.52
Digikey	Tube	1	$ 6.41
		10	$ 5.76
		45	$ 5.44
		135	$ 4.72
		270	$ 4.48
		540	$ 4.02
		1035	$ 3.39
		2520	$ 3.22
Newark	Each	1	$ 7.26
		10	$ 6.82
		25	$ 6.46
		90	$ 6.17
		135	$ 5.92
		270	$ 5.63
		540	$ 5.52
Texas Instruments	TUBE	1	$ 4.41
		100	$ 3.59
		250	$ 2.83
		1000	$ 2.40

Description

General part information

LP3966 Series

The LP3963/LP3966 series of fast ultra low-dropout linear regulators operate from a +2.5V to +7.0V input supply. Wide range of preset output voltage options are available. These ultra low dropout linear regulators respond very quickly to step changes in load which makes them suitable for low voltage microprocessor applications. The LP3963/LP3966 are developed on a CMOS process which allows low quiescent current operation independent of output load current. This CMOS process also allows the LP3963/LP3966 to operate under extremely low dropout conditions.

Dropout Voltage:Ultra low dropout voltage; typically 80mV at 300mA load current and 800mV at 3A load current.

Ground Pin Current:Typically 6mA at 3A load current.

Documents

Technical documentation and resources

LP3963/LP3966 3A Fast Ultra Low Dropout Linear Regulators datasheet (Rev. H)

Data sheet