EL7556D Просмотр технического описания (PDF) - Intersil
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производитель
EL7556D Datasheet PDF : 11 Pages
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EL7556D
Typical Performance Curves
VOUT vs CSLOPE
(VIN=5.0V, ILOAD=0.5A)
1.5
1.0 TA=25°C
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
75
100
125
150
175
CSLOPE (pF)
FOSC vs COSC
10k
1k
TA=25°C
100
10
1
10
100
1k
100k
COSC (pF)
I(VDD) + I(VIN) vs FOSC
60
TA=25°C
50 OUTEN=VDD
VDD=5.5V
40
30
VDD=4.5V
VDD=5V
20
10
Discontinuous Mode
0
200
400
600
Continuous Mode
800
1000
FOSC (kHz)
I(VDD) vs FOSC
50
45
TA=25°C
OUTEN=VDD
40
35
30
25
20
15
10
5
0
200
400
VDD=5.5V
VDD=4.5V
600
FOSC (kHz)
VDD=5V
800
1000
VOUT Variation vs Programmed Output
Voltage [VIDEAL=(1+R3/R4)]
1.5
TA=25°C
1.0
C
0.5
0.0
COSSLCO=P2E20=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
VDD=5.5V
480
470
VDD=5V
460
450
0
20 40 60 80 100 120 140
Temperature (°C)
I(VIN) vs FOSC
16
TA=25°C
14 OUTEN=VDD
12
VDD=5.5V
10
8
VDD=5V
6
VDD=4.5V
4
2
Discontinuous Mode
0
200
400
600
Continuous Mode
800
1000
FOSC (kHz)
IDD + IVIN vs FOSC
2.0
VDD=5.5V
1.5
VDD=5V
VDD=4.5V
1.0
10
100
FOSC (kHz)
1000
6
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