LP3991TL-2.8/NOPB National Semiconductor, LP3991TL-2.8/NOPB Datasheet - Page 2
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LP3991TL-2.8/NOPB
Manufacturer Part Number
LP3991TL-2.8/NOPB
Description
IC VREG 300MA 2.8V 4MICROSMD
Manufacturer
National Semiconductor
Series
PowerWise®r
Datasheet
1.LP3991TL-1.2EV.pdf
(12 pages)
Specifications of LP3991TL-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
Number Of Outputs
1
Polarity
Positive
Input Voltage Max
4 V
Output Voltage
2.8 V
Output Type
Fixed
Dropout Voltage (max)
0.08 V at 150 mA
Output Current
0.3 A
Voltage Regulation Accuracy
+/- 1 %
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
For Use With
LP3991TL-1.8EV - BOARD EVALUATION LP3991TL-1.8
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Current - Limit (min)
-
Lead Free Status / Rohs Status
Details
Other names
LP3991TL-2.8TR
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
LP3991TL-2.8/NOPB
Manufacturer:
Texas Instruments
Quantity:
10 000
www.national.com
Output Voltage (V)
Pin Descriptions
Connection Diagram
Ordering Information (4-Bump Micro SMD)
Only available as Lead Free.
* Contact your local NSC Sales Office for availability
1.55
0.8
1.2
1.3
1.5
1.7
1.8
2.0
2.5
2.8
3.0
Pin No.
B1
A1
A2
B2
Grade
STD
STD
STD
STD
STD
STD
STD
STD
STD
STD
STD
Symbol
GND
V
V
V
OUT
EN
IN
4 Bump Thin Micro SMD, Large Bump
LP3991 Supplied as 250 Units, Tape and
See NS package number TLA04
Voltage output. A Low ESR Ceramic Capacitor should be
connected from this pin to GND. (See Application Information)
Connect this output to the load circuit.
Common Ground. Connect to Pad.
Enable Input; Enables the Regulator when
Disables the Regulator when
Enable Input has an internal 1.2MΩ pull-down resistor to GND.
Voltage Supply Input. A 1.0µF capacitor should be connected
from this pin to GND.
LP3991TL-1.55
LP3991TL-0.8
LP3991TL-1.2
LP3991TL-1.3
LP3991TL-1.5
LP3991TL-1.7
LP3991TL-1.8
LP3991TL-2.0
LP3991TL-2.5
LP3991TL-2.8
LP3991TL-3.0
Packages
Reel
2
Name and Function
≤
0.4V.
LP3991 Supplied as 3000 Units, Tape
≥
0.95V.
LP3991TLX-1.55
LP3991TLX-0.8
LP3991TLX-1.2
LP3991TLX-1.3
LP3991TLX-1.5
LP3991TLX-1.7
LP3991TLX-1.8
LP3991TLX-2.0
LP3991TLX-2.5
LP3991TLX-2.8
LP3991TLX-3.0
and Reel
20110006