LM2731YMFX/NOPB National Semiconductor, LM2731YMFX/NOPB Datasheet - Page 4

• Manufacturer Part Number: LM2731YMFX/NOPB
• Description: IC BOOST ADJ 1.8A SOT23-5
• Manufacturer: National Semiconductor
• Type: Step-Up (Boost)r

Specifications of LM2731YMFX/NOPB

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 1.23 ~ 22 V
• Current - Output: 1.8A
• Frequency - Switching: 600kHz
• Voltage - Input: 2.7 ~ 14 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: SOT-23-5, SC-74A, SOT-25
• For Use With: LM2731YEVAL - BOARD EVALUATION LM2731Y
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Other names: LM2731YMFX

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V
V
I
R
SHDN
I
V
I
I
F
SW
SHDN
FB
Q
SW
IN
OUT (MIN)
FB
DS
Absolute Maximum Ratings
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Electrical Characteristics
Limits in standard typeface are for T
(−40°C
Storage Temperature Range
Operating Junction
Lead Temp. (Soldering, 5 sec.)
(ON)
Symbol
TH
Temperature Range
≤
T
J
≤
+125°C). Unless otherwise specified: V
Input Voltage
Minimum Output Voltage
Under Load
Switch Current Limit
Switch ON Resistance
Shutdown Threshold
Shutdown Pin Bias
Current
Feedback Pin Reference
Voltage
Feedback Pin Bias
Current
Quiescent Current
FB Voltage Line
Regulation
Switching Frequency
(Note
7)
Parameter
J
= 25°C, and limits in boldface type apply over the full operating temperature range
−65°C to +150°C
−40°C to +125°C
R
X Option
(Note
R
Y Option
(Note
R
X Option
(Note
R
Y Option
(Note
(Note
I
Vin = 5V
I
Vin = 3.3V
Device ON
Device OFF
V
V
V
V
V
V
V
V
2.7V
“X” Option
“Y” Option
SW
SW
SHDN
SHDN
IN
FB
SHDN
SHDN
SHDN
SHDN
L
L
L
L
= 43Ω
= 43Ω
= 15Ω
= 15Ω
= 100 mA
= 100 mA
= 3V
(Note
Conditions
= 1.23V
≤
8)
8)
8)
8)
6)
= 0
= 5V
= 5V, Switching "X"
= 5V, Switching "Y"
= 5V, Not Switching
= 0
V
IN
300°C
1)
IN
≤
= 5V, V
14V
4
SHDN
V
V
V
V
V
V
V
V
V
V
V
V
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
= 2.7V
= 3.3V
= 5V
= 2.7V
= 3.3V
= 5V
= 2.7V
= 3.3V
= 5V
= 2.7V
= 3.3V
= 5V
Power Dissipation
FB Pin Voltage
SW Pin Voltage
Input Supply Voltage
SHDN Pin Voltage
θ
ESD Rating
= 5V, I
J-A
(SOT23-5)
Human Body Model
L
= 0A.
(Note
(Note
1.205
8.25
10.5
3.75
8.75
0.40
Min
2.7
5.4
5.5
1.8
1.4
1.5
13
14
8
5
5
9
1
3)
(Note
4)
2)
(Note
Typical
1.230
0.024
0.02
0.60
260
300
400
6.5
7.5
1.0
1.6
10
17
10
12
16
11
11
60
7
5
6
2
0
0
2
5)
(Note
−0.4V to VIN + 0.3V
1.255
Max
0.50
1.85
400
500
450
550
500
500
3.0
0.8
14
Internally Limited
2
2
1
−0.4V to +14.5V
−0.4V to +22V
4)
−0.4V to +6V
265°C/W
Units
MHz
%/V
mΩ
mA
µA
nA
µA
2 kV
V
V
A
V
V