LM2831ZMF/NOPB National Semiconductor, LM2831ZMF/NOPB Datasheet - Page 4

• Manufacturer Part Number: LM2831ZMF/NOPB
• Description: IC REGULATOR BUCK 1.5A SOT23-5
• Manufacturer: National Semiconductor
• Type: Step-Down (Buck)r

Specifications of LM2831ZMF/NOPB

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 0.6 ~ 4.5 V
• Current - Output: 1.5A
• Frequency - Switching: 3MHz
• Voltage - Input: 3 ~ 5.5 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: SOT-23-5, SC-74A, SOT-25
• For Use With: LM2831ZMF EVAL - BOARD EVAL LM2831ZMF
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Other names: LM2831ZMF; LM2831ZMFTR

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Absolute Maximum Ratings
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Electrical Characteristics
standard type are for T
+125˚C. Minimum and Maximum limits are guaranteed through test, design, or statistical correlation. Typical values represent
the most likely parametric norm at T
VIN
FB Voltage
EN Voltage
SW Voltage
ESD Susceptibility
Junction Temperature (Note 2)
∆V
Symbol
R
V
UVLO
D
D
DS(ON)
F
EN_TH
V
FB
I
I
I
MAX
SW
I
I
EN
SW
MIN
CL
FB
Q
B
/V
IN
Feedback Voltage
Feedback Voltage Line Regulation
Feedback Input Bias Current
Undervoltage Lockout
UVLO Hysteresis
Switching Frequency
Maximum Duty Cycle
Minimum Duty Cycle
Switch On Resistance
Switch Current Limit
Shutdown Threshold Voltage
Enable Threshold Voltage
Switch Leakage
Enable Pin Current
Quiescent Current (switching)
Quiescent Current (shutdown)
J
= 25˚C only; limits in boldface type apply over the junction temperature (T
Parameter
J
= 25˚C, and are provided for reference purposes only.
VIN = 5V unless otherwise indicated under the Conditions column. Limits in
(Note 1)
-0.5V to 7V
-0.5V to 3V
-0.5V to 7V
-0.5V to 7V
150˚C
2kV
LLP-6 and SOT23-5
Package
V
V
V
LM2831-X
LM2831-Y
LM2831-Z
LM2831-X
LM2831-Y
LM2831-Z
LM2831-X
LM2831-Y
LM2831-Z
LLP-6 Package
SOT23-5 Package
V
Sink/Source
LM2831X V
LM2831Y V
LM2831Z V
All Options V
IN
IN
IN
IN
4
Falling
= 3V to 5V
Rising
= 3.3V
Operating Ratings
Storage Temperature
Soldering Information
(15 sec)
VIN
Junction Temperature
Conditions
Infrared or Convection Reflow
FB
FB
FB
EN
= 0.55
= 0.55
= 0.55
= 0V
0.588
1.85
2.25
Min
1.2
0.4
1.8
1.8
86
90
82
J
) range of -40˚C to
0.600
0.02
2.73
0.43
0.55
Typ
150
130
100
100
0.1
2.3
1.6
3.0
2.5
3.3
2.8
4.3
94
96
90
30
5
2
7
−40˚C to +125˚C
−65˚C to +150˚C
0.612
Max
2.90
1.95
3.75
100
195
0.7
0.4
4.5
6.5
5
3V to 5.5V
220˚C
Units
MHz
%/V
mΩ
mA
nA
nA
nA
nA
%
%
V
V
V
A
V