LP3991TL-1.8/NOPB National Semiconductor, LP3991TL-1.8/NOPB Datasheet - Page 3
![IC REG 300MA 1.8V DGTL 4USMD](/photos/12/65/126587/tla04zta_sml.jpg)
LP3991TL-1.8/NOPB
Manufacturer Part Number
LP3991TL-1.8/NOPB
Description
IC REG 300MA 1.8V DGTL 4USMD
Manufacturer
National Semiconductor
Series
PowerWise®r
Datasheet
1.LP3991TL-1.2EV.pdf
(12 pages)
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
LP3991TL-1.8/NOPB
Manufacturer:
Texas Instruments
Quantity:
10 000
V
ΔV
V
I
I
I
I
PSRR
e
T
LOAD
Q
SC
OUT
n
SHUTDOWN
IN
DO
Absolute Maximum Ratings
(Note
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Electrical Characteristics
Unless otherwise noted, V
Typical values and limits appearing in normal type apply for T
temperature range for operation, −40 to +125°C.
Symbol
V
V
Junction Temperature
Lead/Pad Temp.
Micro SMD
Storage Temperature
Continuous Power Dissipation
(Note
ESD
Human Body Model
Machine Model
OUT
IN
EN
, V
Pin: Voltage to GND
(Note
1,
OUT
4)
Note
, Pins: Voltage to GND
5)
Input Voltage
Output Voltage Tolerance
Line Regulation Error
Load Regulation Error
Dropout
Minimum Load Current
Quiescent Current
Short Circuit Current Limit
Maximum Output Current
Power Supply Rejection Ratio
(Note
Output noise Voltage
Thermal Shutdown
2)
(Note
14)
Voltage(Note
Parameter
3)
EN
=950mV, V
-0.3 to (V
(Note
11)
14)
IN
= V
IN
Internally Limited
+ 0.3V) to 6.5V
OUT
-65 to 150°C
(Note
(Note
V
I
V
I
0.8V
I
1.8
V
(Note
V
V
V
V
f = 1kHz, I
BW = 10Hz to 100kHz,
V
Temperature
Hysteresis
LOAD
OUT
OUT
-0.3 to 6.5V
IN
IN
OUT
EN
EN
EN
IN
IN
(Note
+ 0.5V, or 1.8V, whichever is higher. C
= V
= V
≤
= 3.6V
= 4.2V, C
= 950mV, I
= 950mV, I
= 0.4V
= 1mA
= 1mA to 300mA
≤
= 1 to 300mA
> 2.5V
V
10)
16)
12)
150°C
260°C
(max)
IN(NOM)
OUT(NOM)
200V
V
OUT
9)
2KV
OUT
OUT
(Note
≤
A
≤
OUT
2.5V
= 25°C. Limits appearing in boldface type apply over the full junction
Conditions
to 3.6V
= 1mA to 300mA
2.8V
OUT
OUT
+0.5V to 3.6V,
3
13)
= 4.7µF
= 0mA
= 300mA
Operating Ratings
Thermal Properties
Input Voltage Range
Recommended Load Current
Junction Temperature
Ambient Temperature T
(Note
Junction To Ambient Thermal
Resistance(Note
θ
(Note
θ
JA
JA
Temperature
(T
-25°C to +85°C
I
I
I
I
OUT
OUT
OUT
OUT
JEDEC Board
4 Layer Board
J
)=
6)
8)
= 150mA
= 300mA
= 150mA
= 300mA
7)
IN
0.001
0.05
Typ
110
120
550
280
160
= 1µF, I
10
55
40
75
50
65
20
A
Range
OUT
(Note
1.65
(Note
Min
-1.0
-3.0
-2.5
300
= 1.0mA, C
0
1)
Limit
1)
Max
180
160
100
225
900
3.6
4.0
1.0
3.0
2.5
1.0
-40°C to 125°C
60
90
80
1
-40°C to 85°C
OUT
1.65 to 4.0V
www.national.com
=4.7µF.
160°C/W
88°C/W
300mA
µV/mA
µV
Units
%/V
mV
mA
mA
mA
µA
dB
°C
%
V
RMS