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LM2651 Datasheet(PDF) 3 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor. Click here to check the latest version.
Part # LM2651
Description  1.5A High Efficiency Synchronous Switching Regulator
PDF  10 Pages
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

LM2651 Datasheet(HTML) 3 Page - National Semiconductor (TI)

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Absolute Maximum Ratings (Note 1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Input Voltage
15V
Feedback Pin Voltage
−0.4V
≤ V
FB ≤ 5V
Power Dissipation (T
A =25˚C),
(Note 2)
893 mW
Junction Temperature Range
−40˚C
≤ T
J ≤ +125˚C
Storage Temperature Range
−65˚C to +150˚C
ESD Susceptibility
Human Body Model (Note 3)
1kV
Operating Ratings (Note 1)
Supply Voltage
4V
≤ V
IN ≤ 14V
Electrical Characteristics Specifications in standard type face are for T
J = 25˚C and those with boldface
type apply over full operating junction temperature range. V
IN =10V unless otherwise specified.
LM2651-1.8 System Parameters
Symbol
Parameter
Conditions
Typical
Limit
Units
V
OUT
Output Voltage
I
LOAD = 900 mA
1.8
1.761/1.719
1.836/1.854
V
V(min)
V(max)
V
OUT
Output Voltage Line
Regulation
V
IN = 4V to 14V
I
LOAD = 900 mA
0.2
%
V
OUT
Output Voltage Load
Regulation
I
LOAD = 10 mA to 1.5A
V
IN = 5V
1.3
%
V
OUT
Output Voltage Load
Regulation
I
LOAD = 200 mA to 1.5A
V
IN = 5V
0.3
%
V
HYST
Sleep Mode Output Voltage
Hysteresis
35
mV
LM2651-2.5 System Parameters
Symbol
Parameter
Conditions
Typical
Limit
Units
V
OUT
Output Voltage
I
LOAD = 900 mA
2.5
2.43/2.388
2.574/2.575
V
V(min)
V(max)
V
OUT
Output Voltage Line
Regulation
V
IN = 4V to 12V
I
LOAD = 900 mA
0.2
%
V
OUT
Output Voltage Load
Regulation
I
LOAD = 10 mA to 1.5A
V
IN = 5V
1.3
%
V
OUT
Output Voltage Load
Regulation
I
LOAD = 200 mA to 1.5A
V
IN = 5V
0.3
%
V
HYST
Sleep Mode Output Voltage
Hysteresis
48
mV
LM2651-3.3 System Parameters
Symbol
Parameter
Conditions
Typical
Limit
Units
V
OUT
Output Voltage
I
LOAD = 900 mA
3.3
3.265/3.201
3.379/3.399
V
V(min)
V(max)
V
OUT
Output Voltage Line
Regulation
V
IN = 4V to 14V
I
LOAD = 900 mA
0.2
%
V
OUT
Output Voltage Load
Regulation
I
LOAD = 10 mA to 1.5A
V
IN = 5V
1.3
%
V
OUT
Output Voltage Load
Regulation
I
LOAD = 200 mA to 1.5A
V
IN = 5V
0.3
%
www.national.com
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