LP3991TL-1.8/NOPB National Semiconductor, LP3991TL-1.8/NOPB Datasheet - Page 7

• Manufacturer Part Number: LP3991TL-1.8/NOPB
• Description: IC REG 300MA 1.8V DGTL 4USMD
• Manufacturer: National Semiconductor
• Series: PowerWise®r

Specifications of LP3991TL-1.8/NOPB

• Regulator Topology: Positive Fixed
• Voltage - Output: 1.8V
• Voltage - Input: Up to 4V
• Voltage - Dropout (typical): 0.11V @ 300mA
• Number Of Regulators: 1
• Current - Output: 300mA (Min)
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 4-MicroSMD
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Limit (min): -
• Other names: LP3991TL-1.8TR

Typical Performance Characteristics con't.
C
to V
OUT
IN
= 4.7µF Ceramic, V
.
Load Transient, V
Line Transient, I
Enable Characteristics
IN
= V
OUT(NOM)
LOAD
OUT
+ 0.5V or 1.8V whichever is greater, T
= 1mA
= 1.5V
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Unless otherwise specified, C
A
= 25°C, V
Line Transient, I
Load Transient, V
Short Circuit Current
OUT(NOM)
LOAD
= 1.5V , Shutdown pin is tied
OUT
= 300mA
IN
= 1.2V
= 1.0µF Ceramic,
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