EL7556BC Datasheet, PDF (5/13 Pages) Elantec Semiconductor – Integrated Adjustable 6 Amp Synchronous Switcher

EL7556BC
Integrated Adjustable 6 Amp Synchronous Switcher
Typical Performance Curves
Line Regulation vs CSLOPE
VIN=VDD=5.0V ±10%
0.8
0.7
0.6
0.5
0.4
IOUT=6A
0.3
0.2
IOUT=0.5A
0.1
0.0
50
75
100
125
CSLOPE (pF)
TA=25°C
150
175
VOUT vs CSLOPE
(VIN=5.0V, ILOAD=0.5A)
1.5
1.0
0.5
0.0 ^VOUT=1V
-0.5
VOUT=2.5V
-1.0
VOUT=3.5V
-1.5
-2.0
-2.5
-3.0
50
TA=25°C
75
100
125
150
175
CSLOPE (pF)
FOSC vs COSC
1000
1000
TA=25°C
100
10
1
10
100
1k
100k
COSC (pF)
Load Regulation vs CSLOPE
IOUT=3A, +3A, -2.5A
0.8
0.7
0.6
0.5
0.4
VIN=4.5V
0.3
0.2 VIN=5V
VIN=5.5V
0.1
0.0
50
75
100
125
CSLOPE (pF)
TA=25°C
150
175
VOUT Variation vs Programmed Output
Voltage [VIDEAL=(1+R3/R4)]
1.5
1.0
0.5
0.0
C_O^C_SSCL=^O₂^P₂^E_0=p1F00pF
-0.5
-1.0
Loop Gain Induced Error
-1.5
1.0
1.5
2.0
2.5
3.0
VIDEAL (V)
TA=25°C
3.5
4.0
FOSC vs Temperature
520
510
VDD=4.5V
500
490
VDD=5.5V
480
470
VDD=5V
460
450
0
20
40
60
80 100 120 140
Temperature (°C)
5