LP3991TL-1.2EV National Semiconductor, LP3991TL-1.2EV Datasheet - Page 2
LP3991TL-1.2EV
Manufacturer Part Number
LP3991TL-1.2EV
Description
BOARD EVALUATION LP3991TL-1.2
Manufacturer
National Semiconductor
Series
PowerWise®r
Specifications of LP3991TL-1.2EV
Channels Per Ic
1 - Single
Voltage - Output
1.2V
Current - Output
300mA
Voltage - Input
1.65 ~ 4V
Regulator Type
Positive Fixed
Operating Temperature
-40°C ~ 85°C
Board Type
Fully Populated
Utilized Ic / Part
LP3991
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
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