EL7558BC Просмотр технического описания (PDF) - Elantec -> Intersil
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производитель
EL7558BC Datasheet PDF : 13 Pages
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EL7558BC
Integrated Adjustable 8 Amp Synchronous Switcher
Typical Performance Curves
Line Regulation vs CSLOPE
VIN=VDD=5.0V ±10%
0.8
0.7
0.6
0.5
IOUT=0.5A
0.4
0.3
0.2
IOUT=6A
0.1
0.0
50
75
100
125
CSLOPE (pF)
VOUT vs CSLOPE
(VIN=5.0V, ILOAD=.5A)
1.5
1.0
0.5
VOUT=1V
0.0
-0.5
-1.0
VOUT=2.5V
-1.5
-2.0
VOUT=3.5V
-2.5
-3.0
50
75
100
125
CSLOPE (pF)
FOSC vs COSC
10000
1000
TA=25°C
150
175
TA=25°C
150
175
TA=25°C
100
10
1
10
100
1000
100000
COSC (pF)
Load Regulation vs CSLOPE
IOUT=0.5 to 6A
0.8
0.7
0.6
0.5
VIN=4.5A
0.4
VIN=5A
0.3
0.2
VIN=5.5A
0.1
0.0
50
75
100
125
CSLOPE (pF)
TA=25°C
150
175
VOUT Variation vs Programmed Output
1.5 Voltage [VIDEAL=(1+R3/R4)]
1.0
TA=25°C
0.5
0.0
COCSSCL=O2P2E0=p1F00pF
-0.5
-1.0
Loop Gain Induced Error
-1.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
VIDEAL (V)
FOSC vs Temperature
520
510
VDD=4.5V
500
490
480
VDD=5.5V
470
460
450
0
VDD=5V
COSC=220pF
20
40
60
80 100 120 140
Temperature (°C)
5
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