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LM3500TLX-16 データシート(PDF) 3 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
部品番号 LM3500TLX-16
部品情報  Synchronous Step-up DC/DC Converter for White LED
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メーカー  NSC [National Semiconductor (TI)]
ホームページ  http://www.national.com
Logo NSC - National Semiconductor (TI)

LM3500TLX-16 データシート(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.
V
IN
−0.3V to 7.5V
V
OUT (LM3500-16)(Note 2)
−0.3V to 16V
V
OUT (LM3500-21)(Note 2)
−0.3V to 21V
V
SW(Note 2)
−0.3V to V
OUT+0.3V
FB, SHDN, and NC Voltages
−0.3V to 7.5V
Maximum Junction Temperature
150˚C
Lead Temperature
(Note 3)
300˚C
ESD Ratings (Note 4)
Human Body Model
2kV
Machine Model
200V
Operating Conditions
Ambient Temperature
(Note 5)
−40˚C to +85˚C
Junction Temperature
−40˚C to +125˚C
Supply Voltage
2.7V to 7V
Thermal Properties
Junction to Ambient Thermal
Resistance (
θ
JA)(Note 6)
75˚C/W
Electrical Characteristics
Specifications in standard type face are for T
A = 25˚C and those in boldface type apply over the Operating Temperature
Range of T
A = −10˚C to +85˚C. Unless otherwise specified VIN =2.7V and specification apply to both LM3500-16 and LM3500-
21.
Symbol
Parameter
Conditions
Min
(Note 7)
Typ
(Note 8)
Max
(Note 7)
Units
I
Q
Quiescent Current, Device
Not Switching
FB > 0.54V
0.95
1.2
mA
Quiescent Current, Device
Switching
FB = 0V
1.8
2.5
Shutdown
SHDN = 0V
0.1
2
µA
V
FB
Feedback Voltage
V
IN = 2.7V to 7V
0.47
0.5
0.53
V
∆V
FB
Feedback Voltage Line
Regulation
V
IN = 2.7V to 7V
0.1
0.4
%/V
I
CL
Switch Current Limit
(LM3500-16)
V
IN = 2.7V,
Duty Cycle = 80%
275
400
480
mA
V
IN = 3.0V,
Duty Cycle = 70%
255
400
530
Switch Current Limit
(LM3500-21)
V
IN = 2.7V,
Duty Cycle = 70%
420
640
770
V
IN = 3.0V,
Duty Cycle = 63%
450
670
800
I
B
FB Pin Bias Current
FB = 0.5V (Note 9)
45
200
nA
V
IN
Input Voltage Range
2.7
7.0
V
R
DSON
NMOS Switch R
DSON
V
IN = 2.7V, ISW = 300mA
0.43
PMOS Switch R
DSON
V
OUT = 6V, ISW = 300mA
1.1
2.3
D
Limit
Duty Cycle Limit
(LM3500-16)
FB=0V
80
87
%
Duty Cycle Limit
(LM3500-21)
FB=0V
85
94
F
SW
Switching Frequency
0.85
1.0
1.15
MHz
I
SD
SHDN Pin Current (Note 10)
SHDN = 5.5V
18
30
µA
SHDN = 2.7V
9
16
SHDN = GND
0.1
www.national.com
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