MIC4682 Ver la hoja de datos (PDF) - Micrel
Número de pieza
componentes Descripción
Fabricante
MIC4682 Datasheet PDF : 15 Pages
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Micrel, Inc.
Typical Characteristics (continued)
Short Circuit Current Limit
vs.
2
Input
Voltageat
TJ
=
85°C
1.8 RISET=10k
1.6
1.4 RISET=15.8k
1.2
RISET=20k
1
RISET=25k
0.8
RISET=30k
0.6
RISET=40k
0.4
L = 68µH RISET=50k
0.2
04
R3 = 10M
VOUT~0V (Pulsed Load)
8 12 16 20 24 28 32
INPUT VOLTAGE (V)
Short Circuit Current Limit
vs.
2.0
Input
Voltageat
TJ
=
125°C
1.8 RISET=10k
1.6
1.4 15.8k
1.2
1.0
0.8
0.6
0.4
0.2
04
RISET=20k
RISET=25k
RISET=30k
L = 68µH
R3 = 10M
RISET=40k
RISET=50k
VOUT~0V (Pulsed Load)
8 12 16 20 24 28 32
INPUT VOLTAGE (V)
Quiescent Current
vs. Temperature
12
V = 24V
10
8
6
V = 12V
4
2
VFB = 1.5V
VEN = 0V
-040 -20 0 20 40 60 80 100120
TEMPERATURE °(C)
Shutdown Current
vs. Input Voltage
140
120
100
80
60
40 VFB = 1.5V
20 VEN = VIN
00 5 10 15 20 25 30 35 40
INPUT VOLTAGE (V)
Frequency
vs. Temperature
250
245
240
VIN = 24V
235
230
VIN = 12V
225
220
215
VFB = 0V
21-040 -20 0 20 40 60 80 100120
TEMPERATURE °(C)
June 2007
5.016
Load Regulation
5.014
5.012
5.01
5.008
5.006
5.004
5.0020 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6
OUTPUT CURRENT (A)
6
MIC4682
Quiescent Current
vs. Input Voltage
12
10
8
6
4
2
VFB = 1.5V
VEN = 0V
00 5 10 15 20 25 30 35 40
INPUT VOLTAGE (V)
M9999-061507
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