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LM3595 Scheda tecnica(PDF) 3 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Il numero della parte LM3595
Spiegazioni elettronici  The LM3595 is a parallel white-LED driver that is capable of driving four white LEDs.
PDF  11 Pages
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Produttore elettronici  NSC [National Semiconductor (TI)]
Homepage  http://www.national.com
Logo NSC - National Semiconductor (TI)

LM3595 Scheda tecnica(HTML) 3 Page - National Semiconductor (TI)

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Absolute Maximum Ratings (Notes 1,
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 6.0V
EN, BR-ON, BRGT
-0.3V to
(V
IN+ 0.3V) w/
6.0V max
Junction Temperature (T
J-MAX-ABS)
150˚C
Continuous Power Dissiation
(Note 3)
Internally Limited
Storage Temperature Range
-65˚C to 150˚C
Lead Temperature
(Soldering, 5 Sec.)
260˚C
ESD Rating (Note 4)
Human-body model
Machine model
2kV
200V
Operating Ratings
(Notes 1, 2)
Input Voltage Range (Note 5)
3.0V to 5.5V
Output Voltage Range (Note 5)
2.0V to 5.5V
Junction Temperature Range
(Note 6)
-40˚C to 105˚C
Ambient Temperature Range
(Note 6)
-40˚C to 85˚C
Thermal Information
Junction-to-Ambient Thermal
Resistance, LLP-10 Package (
θ
JA)
(Note 7)
55˚C/W
Electrical Characteristics
(Notes 2, 8)
Limits in standard typeface and typical values apply for T
J =25
oC. Limits in boldface type apply over the operating junction
temperature range. Unless otherwise specified: V
IN = 5V, VOUTX = 3.6V, RSET = 8.25k
Ω, V(EN) = V
IN, V(BR-ON) = 0V
Symbol
Parameter
Conditions
Min
Typ
Max
Units
I
OUTX
Output Current Regulation
(Note 5)
3.0V
≤ V
IN
≤ 5.5V
2.0V
≤ V
OUTX
≤ (V
IN - 0.7V)
R
SET = 4.99k
Ω
22.54
(-8%)
24.5
26.46
(+8%)
mA
(%)
3.0V
≤ V
IN
≤ 5.5V
2.0V
≤ V
OUTX
≤ (V
IN - 0.42V)
R
SET = 8.25k
Ω
13.80
(-8%)
15.0
16.20
(+8%)
3.0V
≤ V
IN
≤ 5.5V
2.0V
≤ V
OUTX
≤ (V
IN - 0.28V)
R
SET = 12.4k
Ω
9.20
(-8%)
10.0
10.80
(+8%)
I
OUTX-BRGT
Analog Brightness Control
Current Regulation
V(BRGT) = 3.0V, V(BR-ON) = V
IN
13.83
(-6.5%)
14.8
15.77
(+6.5%)
mA
(%)
V(BRGT) = 0V, V(BR-ON) = V
IN
100
250
µA
I
OUT-MATCH
Current Matching Between
Any Two Outputs
0.5
4
%
V
SET
I
SET Pin Voltage
1.147
(-6%)
1.22
1.293
(+6%)
V
(%)
I
OUTX/ISET
Output Current to Current
Set Ratio
95
(-5%)
100
105
(+5%)
V
HR
Current Source Headroom
Voltage (Note 5)
I
OUT =95%xIOUT(nom)
R
SET = 4.99k
Ω (I
OUT(nom) approx. 25mA)
500
690
mV
I
OUT =95%xIOUT(nom)
R
SET = 12.4k
Ω (I
OUT(nom) approx. 10mA)
200
280
I
Q
Quiescent Supply Current
I
OUTX = 0mA, V(BR-ON) = VIN,RSET =
Open
200
300
µA
I
OUTX = 0mA, V(BR-ON) = VIN,RSET =
8.25k
Ω
350
I
SD
Shutdown Supply Current
EN = 0, V(BR-ON) = V
IN
0.03
1
µA
V
EN-IH
EN Input Logic High
3.0V
≤ V
IN
≤ 5.5V
1.2
V
IN
V
V
EN-IL
EN Input Logic Low
3.0V
≤ V
IN
≤ 5.5V
0
.5
V
V
BRON-IH
BR-ON Input Logic High
3.0V
≤ V
IN
≤ 5.5V
.65xV
IN
V
IN
V
V
BRON-IL
BR-ON Input Logic Low
3.0V
≤ V
IN
≤ 5.5V
0
.35xV
IN
V
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