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LM2702 датащи(PDF) 5 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
номер детали LM2702
подробное описание детали  TFT Panel Module
PDF  21 Pages
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производитель  NSC [National Semiconductor (TI)]
домашняя страница  http://www.national.com
Logo NSC - National Semiconductor (TI)

LM2702 датащи(HTML) 5 Page - National Semiconductor (TI)

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Absolute Maximum Ratings (Note 2)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
V
IN
-0.3V to 12V
SW Voltage
-0.3V to 18V
FB Voltage
-0.3V to 7V
V
C Voltage
0.96V to 1.56V
Css Voltage
-0.3V to 1.2V
SWC Voltage
-0.3V to 12V
Supply Voltage, AV
IN
-0.3V to 12V
Amplifier/Buffer Input/Output
Voltage
Rail-to-Rail
Delay
GND to 1.3V
SWI
-0.3V to 30V
SWO
-0.3V to 30V
ESD Ratings
(Notes 3, 4)
Human Body Model
2kV
Machine Model
200V
Operating Conditions
Operating Temperature
−40˚C to +125˚C
Storage Temperature
−65˚C to +150˚C
Supply Voltage, V
IN
2.2V to 12V
SW Voltage
17.5V
Supply AV
IN
4V to 12V
SWI
2.2V to 30V
Electrical Characteristics
Specifications in standard type face are for T
J = 25˚C and those with boldface type apply over the full Operating Tempera-
ture Range (T
J = −40˚C to +125˚C). Unless otherwise specified, VIN =2.2V and AVIN = 8V, RCOM =RGAMMA =50
Ω,C
COM =
C
GAMMA = 1nF.
Switching Regulator
Symbol
Parameter
Conditions
Min
(Note 5)
Typ
(Note 6)
Max
(Note 5)
Units
I
Q
Quiescent Current
Not Switching, FB = 2V
1.6
2.3
mA
Switching, switch open, FB =
0.1V
2.6
5.2
V
FB
Feedback Voltage
1.239
1.265
1.291
V
%V
FB/
∆V
IN
Feedback Voltage Line
Regulation
0.01
0.1
%/V
I
CL
Switch Current Limit
(Note 7)
V
IN = 2.7V
1.4
2
2.6
A
R
DSON
Switch R
DSON (Note 8)
V
IN = 2.7V
200
m
Ω
I
B
FB Pin Bias Current (Note 9)
60
500
nA
V
IN
Input Voltage Range
2.2
12
V
I
SS
Soft Start Current
5
12
15
µA
T
SS
Internal Soft Start Ramp
Time
7
10
mS
g
m
Error Amp Transconductance
∆I = 5µA
40
135
290
µmho
A
V
Error Amp Voltage Gain
135
V/V
D
MAX
Maximum Duty Cycle
78
85
%
f
S
Switching Frequency
480
600
720
kHz
I
L
Switch Leakage Current
V
SW = 18V
0.1
20
µA
UVP
On Threshold
1.79
1.92
2.05
V
Off Threshold
1.69
1.82
1.95
V
Hysteresis
100
mV
www.national.com
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