Features Ultra low dropout voltage Low ground pin current Load regulation of 0.06% 10nA quiescent current in shutdown mode Guaranteed output current of 1.5A DC Available in TO-263, TO-220 and SOT-223 packages Minimum output capacitor requirements Overtemperature/overcurrent protection -40°C to +125°C junction temperature range Description The LP3875-ADJ fast ultra low-dropout linear regulators operate from a +2.5V to +7.0V input supply. These ultra low dropout linear regulators respond very quickly to step changes in load, which makes them suitable for low voltage microprocessor applications. The LP3875-ADJ is developed on a CMOS process which allows low quiescent current operation independent of output load current. This CMOS process also allows the LP3875-ADJ to operate under extremely low dropout conditions. Dropout Voltage: Ultra low dropout voltage; typically 38mV at 150mA load current and 380mV at 1.5A load current. Ground Pin Current: Typically 6mA at 1.5A load current. Shutdown Mode: Typically 10nA quiescent current when the shutdown pin is pulled low. Adjustable Output Voltage: The output voltage may be programmed via two external resistors. Applications Microprocessor power supplies GTL, GTL+, BTL, and SSTL bus terminators Power supplies for DSPs SCSI terminator Post regulators High efficiency linear regulators Battery chargers Other battery powered applications

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Typical Application click for larger image	Block Diagram click for larger image
Typical Performance click for larger image

Datasheets

Title		Size	Date	Other Language
	LP3875-ADJ 1.5A Fast Ultra Low Dropout Linear Regulator	695 Kbytes	20-Sep-06	日本語

Part Number(s) (NSID)	Top View	Availability	Current Reported Stock	Budgetary Pricing	Pack Size
LP3875EMP-ADJ/NOPB LP3875EMP-ADJ RoHS Status	SOT-223	Full production Lead Time: 6 weeks	Distributor Region Qty ARROW Worldwide 1402 CEAC Asia Pacific 1000 DIGI-KEY Worldwide 1007 FARNELL Europe and Asia 130 MOUSER Worldwide 907 NEWARK Americas 129 RS COMPONENTS Worldwide 39 TAYLOR Americas 1402	$1.21 each at 1K+ pcs	reel of 1000
LP3875EMPX-ADJ/NOPB LP3875EMPX-ADJ RoHS Status	SOT-223	Full production Lead Time: 8 weeks	Distributor Region Qty DIGI-KEY Worldwide 0	$1.21 each at 1K+ pcs	reel of 2000
LP3875ES-ADJ/NOPB LP3875ES-ADJ RoHS Status	TO-263	Full production Lead Time: 6 weeks	Distributor Region Qty ARROW Worldwide 927 AVNET-EM Worldwide 644 DIGI-KEY Worldwide 958 FARNELL Europe and Asia 138 MOUSER Worldwide 175 NEWARK Americas 83 TAYLOR Americas 927	$1.45 each at 1K+ pcs	rail of 45
LP3875ESX-ADJ/NOPB LP3875ESX-ADJ RoHS Status	TO-263	Full production Lead Time: 6 weeks	Distributor Region Qty ARROW Worldwide 1500 AVNET-EM Worldwide 861 DIGI-KEY Worldwide 0 MOUSER Worldwide 500 TAYLOR Americas 1500	$1.45 each at 1K+ pcs	reel of 500

All information pertaining to the RoHS Compliance Standard can be found at http://www.national.com/en/packaging/leadfree.html.

Moisture Sensitivity Level Data for LP3875-ADJ.

A RoHS compliance or an IPC 1752 report can be acquired at http://www.national.com/en/packaging/greennopb.html.

National's certificate of product compliance for LP3875-ADJ is located at RoHS Status.

Part Number(s) (NSID)	Weight (milligrams)	Type	Pins	MSL Rating	Peak Reflow	RoHS Status	CAD Symbols	Models	Package Marking Format
LP3875EMP-ADJ/NOPB LP3875EMP-ADJ	119.55 120.002	SOT-223	5	1 1	260 260	Detail	N/A	N/A	XYTT LHSB
LP3875EMPX-ADJ/NOPB LP3875EMPX-ADJ	119.55 120.002	SOT-223	5	1 1	260 260	Detail	N/A	N/A	XYTT LHSB
LP3875ES-ADJ/NOPB LP3875ES-ADJ	1448.647 1449.868	TO-263	5	3 3	245 235	Detail	N/A	N/A	NSUZXYTTE# LP3875ES ADJ
LP3875ESX-ADJ/NOPB LP3875ESX-ADJ	1448.647 1449.868	TO-263	5	3 3	245 235	Detail	N/A	N/A	NSUZXYTTE# LP3875ES ADJ

All information pertaining to the RoHS Compliance Standard can be found at http://www.national.com/en/packaging/leadfree.html.

Moisture Sensitivity Level Data for LP3875-ADJ.

A RoHS compliance or an IPC 1752 report can be acquired at http://www.national.com/en/packaging/greennopb.html.

National's certificate of product compliance for LP3875-ADJ is located at RoHS Status.

CAD Symbols and Models N/A

Models N/A

Reliability Metrics

Part Number	Process	EFR Reject	EFR Sample Size	PPM	LTA Rejects	LTA Device Hours	FITS	MTTF (Hours)
LP3875EMP-ADJ	CS065	2	47473	43	0	5527000	1	1568301341
LP3875EMPX-ADJ	CS065	2	47473	43	0	5527000	1	1568301341
LP3875ES-ADJ	CS065	2	47473	43	0	5527000	1	1568301341
LP3875ESX-ADJ	CS065	2	47473	43	0	5527000	1	1568301341

Note: The Early Failure Rates (EFR) were calculated as point estimate PPM based on rejects and sample size for EFR. The Long Term Failure Rates were calculated at 60% confidence using the Arrhenius equation at 0.7eV activation energy and derating the assumed stress temperature of 150°C to an application temperature of 55°C.

For more information on Reliability Metrics, please click here.

All information pertaining to the RoHS Compliance Standard can be found at http://www.national.com/en/packaging/leadfree.html.

Moisture Sensitivity Level Data for LP3875-ADJ.

A RoHS compliance or an IPC 1752 report can be acquired at http://www.national.com/en/packaging/greennopb.html.

National's certificate of product compliance for LP3875-ADJ is located at RoHS Status.