ELECTRICAL CHARACTERISTICS
TIMING DIAGRAM
TIMING DIAGRAM
t
HD-STA
t
t
SU-STO
t
HD-STA
SU-STA
t
t
SU-DAT
HD-DAT
Figure 4. Definition of Time on the I2C Bus
ELECTRICAL PERFORMANCE CURVES
300
300
100
90
80
70
60
50
40
30
20
10
295
295
Vin=3.3V, Vout=1.2V
Vin=3.3V, Vout=1.8V
Vin=5.0V, Vout=1.2V
Vin=5.0V, Vout=1.8V
290
290
285
285
0
280
280
0
0,5
1
1,5
-50
-50
0
50
50
100
100
Load Current [A]
0
Temperature (°C)
Temperature (°C)
Temperature (C°)
Figure 7. Switcher Efficiency vs. Load Current
Figure 5. fOSC vs. Temperature
450
3.00
2.80
2.60
2.40
2.20
2.00
400
350
300
250
200
150
100
-50
0
50
100
7
12
17
22
Temperature (°C)
Rf (k Ohm )
Rf (k Ω)
Figure 8. Switcher ILim vs. Temperature
Figure 6. fOSC vs. Rf
34701
Analog Integrated Circuit Device Data
Freescale Semiconductor
14
FREESCALE [ Freescale ]
