LP3991TLX-2.8/NOPB National Semiconductor, LP3991TLX-2.8/NOPB Datasheet - Page 8

• Manufacturer Part Number: LP3991TLX-2.8/NOPB
• Description: IC VREG 300MA 2.8V 4-USMD
• Manufacturer: National Semiconductor
• Series: PowerWise®r

Specifications of LP3991TLX-2.8/NOPB

• Regulator Topology: Positive Fixed
• Voltage - Output: 2.8V
• Voltage - Input: Up to 4V
• Voltage - Dropout (typical): 0.075V @ 300mA
• Number Of Regulators: 1
• Current - Output: 300mA (Min)
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 4-MicroSMD
• For Use With: LP3991TL-1.8EV - BOARD EVALUATION LP3991TL-1.8
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Limit (min): -
• Other names: LP3991TLX-2.8

www.national.com
Typical Performance Characteristics con't.
C
to V
OUT
IN
= 4.7µF Ceramic, V
.
Power Supply Rejection Ratio
Noise Density
IN
= V
OUT(NOM)
+ 0.5V or 1.8V whichever is greater, T
20110028
20110025
8
Unless otherwise specified, C
A
= 25°C, V
Power Supply Rejection Ratio
OUT(NOM)
= 1.5V , Shutdown pin is tied
IN
= 1.0µF Ceramic,
20110026