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Número de pieza
componentes Descripción
MIC3223YTSE Ver la hoja de datos (PDF) - Micrel
Número de pieza
componentes Descripción
Fabricante
MIC3223YTSE
High Power Boost LED Driver with Integrated FET
Micrel
MIC3223YTSE Datasheet PDF : 24 Pages
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Micrel, Inc.
Typical Characteristics
Efficiency
v s. Input Voltage
98
96
T = 25°C
94
92
90
88
86
84
82
80
5
V
OUT
= 25V
I
OUT
= 0.5A
10
15
20
INPUT VOLT AGE (V)
0.210
0.208
0.206
0.204
0.202
0.200
0.198
0.196
0.194
0.192
0.190
4
Feedback Voltage
v s. Input Voltage
V
OUT
= 30V
I
OUT
=0.36A
9
14
19
INPUT VOLT AG E (V)
Current Lim it
vs. Temperature
11.0
10.5
10.0
9.5
9.0
8.5
8.0
7.5
7.0
6.5
V
IN
= 12V
6.0
-40 -20 0 20 40 60 80 100 120
T EM PERAT URE (°C)
Efficiency
vs. Output Current
96
94
12V
92
90
8V
10V
88
86
84
82
80
0
V
OUT
= 25V
0.5
1
1.5
OUT PUT CURRENT (A)
January 2010
5.50
5.45
5.40
5.35
5.30
5.25
5.20
5.15
5.10
5.05
5.00
5
VDD Voltage
v s. Input Voltage
T = 25°C
V
OUT
= 25V
I
OUT
= 0.5A
10
15
20
INPUT VOLT AGE (V)
Switching Frequency
v s. Input Voltage
1.2
1.1
T = 25°C
1.1
1.0
1.0
0.9
4
V
DD
= V
IN
V
IN
= 4.5V to 6V
V
OUT
= 30V
I
OUT
= 0.36A
9
14
19
INPUT VOLT AGE (V)
R
SW _NODE
vs.
T emperature
0.18
0.17
0.16
0.15
0.14
0.13
0.12
0.11
0.10
-40 -20
V
IN
= 12V
V
OUT
= 36V
I
SW
= 1.3A
0 20 40 60 80 100 120
T EM PERAT URE (°C)
Efficiency
vs. Output Current
96
16V
94
92
14V
90
88
86
84
82
80
0
V
OUT
= 25V
0.5
1
1.5
OUT PUT CURRENT (A)
5
MIC3223
Current Lim it
v s. Input Voltage
9.5
9.0
T = 25°C
8.5
8.0
7.5
7.0
4
V
IN
= 4.5V to 6V
9
14
19
INPUT VOLT AGE (V)
Feedback Voltage
vs. Temperature
0.220
0.218
0.216
0.214
0.212
0.210
0.208
0.206
0.204
0.202
0.200
-40 -20 0
V
IN
= 12V
V
OUT
= 26V
I
OUT
= 0.36A
20 40 60 80 100 120
T EM PERAT URE (°C)
Switching Frequency
vs. Temperature
1.20
1.15
1.10
1.05
1.00
0.95
0.90
0.85
0.80
-40 -20
V
IN
= 12V
V
OUT
= 26V
I
OUT
= 0.36A
0 20 40 60 80 100 120
T EM PERAT URE (°C)
Efficiency
vs. Output Current
98
20V
96
94
18V
92
90
88
86
84
82
80
0
V
OUT
= 25V
0.5
1
1.5
OUT PUT CURRENT (A)
M9999-011510-A
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