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LM2825 Datasheet(PDF) 2 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part # LM2825
Description  Integrated Power Supply 1A DC-DC Converter
PDF  12 Pages
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

LM2825 Datasheet(HTML) 2 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.
Maximum Input Supply (V
IN)
+45V
SD/SS Pin Input Voltage (Note 2)
6V
Output Pin Voltage
(3.3V, 5.0V and ADJ)
−1V
≤ V ≤ 9V
(12V and H-ADJ)
−1V
≤ V ≤ 16V
ADJ Pin Voltage (ADJ, H-ADJ only)
−0.3V
≤ V ≤ 25V
Power Dissipation
Internally Limited
Storage Temperature Range
−40˚C to +125˚C
ESD Susceptibility
Human Body Model (Note 3)
2 kV
Lead Temperature (Soldering 10 sec.)
260˚C
Operating Ratings
Ambient Temperature Range
−40˚C
≤ T
A ≤ +85˚C
Junction Temperature Range
−40˚C
≤ T
J ≤ +125˚C
Input Supply Voltage (3.3V version)
4.75V to 40V
Input Supply Voltage (5V version)
7V to 40V
Input Supply Voltage (12V version)
15V to 40V
Input Supply Voltage (-ADJ, H-ADJ)
4.5V to 40V
LM2825-3.3 Electrical Characteristics (Note 4)
Specifications with standard type face are for T
A = 25˚C, and those with boldface type apply over full Operating Tempera-
ture Range. Test Circuit
Figure 2.
Symbol
Parameter
Conditions
LM2825-3.3
Units
(Limits)
Typical
Limit
(Note 6)
(Note 7)
V
OUT
Output Voltage
4.75V
≤ V
IN ≤ 40V, 0.1A ≤ ILOAD ≤ 1A
3.3
V
3.168/3.135
V(min)
3.432/3.465
V(max)
Line Regulation
4.75V
≤ V
IN ≤ 40V
1.5
mV
I
LOAD = 100 mA
Load Regulation
0.1A
≤ I
LOAD ≤ 1A
8
mV
V
IN = 12V
Output Ripple Voltage
V
IN = 12V, ILOAD = 1A
40
mV p-p
η
Efficiency
V
IN = 12V, ILOAD = 0.5A
75
%
LM2825-5.0 Electrical Characteristics (Note 4)
Specifications with standard type face are for T
A = 25˚C, and those with boldface type apply over full Operating Tempera-
ture Range. Test Circuit
Figure 2.
Symbol
Parameter
Conditions
LM2825-5.0
Units
(Limits)
Typical
Limit
(Note 6)
(Note 7)
V
OUT
Output Voltage
7V
≤ V
IN ≤ 40V, 0.1A ≤ ILOAD ≤ 1A
5.0
V
4.800/4.750
V(min)
5.200/5.250
V(max)
Line Regulation
7V
≤ V
IN ≤ 40V
2.7
mV
I
LOAD = 100 mA
Load Regulation
0.1A
≤ I
LOAD ≤ 1A
8
mV
V
IN = 12V
Output Ripple Voltage
V
IN = 12V, ILOAD = 1A
40
mV p-p
η
Efficiency
V
IN = 12V, ILOAD = 0.5A
80
%
www.national.com
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