LP3990MF-1.8 datasheet(10/28 Pages) TI1

Part #	LP3990MF-1.8

Description	150-mA Linear Voltage Regulator for Digital Applications

Download	28 Pages

Scroll/Zoom	100%

Manufacturer	TI1 [Texas Instruments]

Direct Link	http://www.ti.com

Logo

10 / 28 page

LP3990

SNVS251J – MAY 2004 – REVISED SEPTEMBER 2014

www.ti.com

7.4 Device Functional Modes

7.4.1 Enable (EN)

The LP3990 EN pin is internally held low by a 1-M

Ω resistor to GND. The EN pin voltage must be higher than the

VIH threshold to ensure that the device is fully enabled under all operating conditions.

7.4.2 Minimum Operating Input Voltage (VIN)

The LP3990 does not include any dedicated UVLO circuitry. The LP3990 internal circuitry is not fully functional

until VIN is at least 2 V. The output voltage is not regulated until VIN ≥ (VOUT + VDO), or 2 V, whichever is higher.

10

Submit Documentation Feedback

Product Folder Links: LP3990

Similar Part No. - LP3990MF-1.8

Manufacturer	Part #	Datasheet	Description
National Semiconductor ...	LP3990MF-1.8	711Kb / 13P	150mA Linear Voltage Regulator for Digital Applications
Texas Instruments	LP3990MF-1.8	979Kb / 24P	[Old version datasheet] LP3990 150mA Linear Voltage Regulator for Digital Applications
Texas Instruments	LP3990MF-1.8	979Kb / 24P	[Old version datasheet] LP3990 150mA Linear Voltage Regulator for Digital Applications

Manufacturer	Part #	Datasheet	Description
Texas Instruments	LP3990-Q1	866Kb / 22P	[Old version datasheet] 150-mA Linear Voltage Regulator for Digital Applications
	LP3990	996Kb / 28P	[Old version datasheet] LP3990 150-mA Linear Voltage Regulator for Digital Applications
	LP3990-Q1	815Kb / 22P	[Old version datasheet] LP3990-Q1 150-mA Linear Voltage Regulator for Digital Applications
	LP3991	1Mb / 25P	[Old version datasheet] LP3991 300-mA Linear Voltage Regulator for Digital Applications
National Semiconductor ...	LP3990	711Kb / 13P	150mA Linear Voltage Regulator for Digital Applications
Texas Instruments	LP3991	1Mb / 20P	[Old version datasheet] 300mA Linear Voltage Regulator for Digital Applications
Intersil Corporation	LP3991	325Kb / 12P	300mA Linear Voltage Regulator for Digital Applications
Nisshinbo Micro Devices...	R1180X-Y	601Kb / 26P	150 mA LDO Regulator for Industrial Applications
ON Semiconductor	NCP4688DMU28TCG	728Kb / 14P	150 mA, Low Noise, LDO Linear Voltage Regulator February, 2012 ??Rev. 1
ON Semiconductor	NCP4587	132Kb / 8P	150 mA, Tri-Mode, LDO Linear Voltage Regulator November, 2010 ??Rev. P0