English
Language : 

A6986 Datasheet, PDF (62/67 Pages) STMicroelectronics – 38 V, 2 A synchronous step-down switching regulator
◁
Efficiency curves
A6986
Figure 54. Efficiency curves: fsw = 500 kHz - VIN = 13.5 V - VOUT = 5 V (log scale)
90
80
70
60
VIN=13.5V VOUT=5V A6986 500kHz VBIAS NOPSKIP
50
VIN=13.5V VOUT=5V A6986 500kHz NOVBIAS NOPSKIP
40
VIN=13.5V VOUT=5V A6986 500kHz NOVBIAS PSKIP
VIN=13.5V VOUT=5V A6986 500kHz VBIAS PSKIP
30
20
0.001
0.01
0.1
90
85
80
75
70
65
60
55
50
0
Figure 55. Efficiency curves: fsw = 500 kHz - VIN = 24 V - VOUT = 3.3 V
0.2
0.4
0.6
0.8
VIN=24V VOUT=3.3V A6986 500kHz VBIAS PSKIP
VIN=24V VOUT=3.3V A6986 500kHz NOVBIAS PSKIP
VIN=24V VOUT=3.3V A6986 500kHz NOVBIAS NOPSKIP
VIN=24V VOUT=3.3V A6986 500kHz VBIAS NOPSKIP
1
1.2
1.4
1.6
1.8
2
Figure 56. Efficiency curves: fsw = 500 kHz - VIN = 24 V - VOUT = 3.3 V (log scale)
80
70
60
50
VIN=24V VOUT=3.3V A6986 500kHz VBIAS PSKIP
40
VIN=24V VOUT=3.3V A6986 500kHz NOVBIAS PSKIP
VIN=24V VOUT=3.3V A6986 500kHz NOVBIAS NOPSKIP
30
VIN=24V VOUT=3.3V A6986 500kHz VBIAS NOPSKIP
20
0.001
0.01
0.1
62/67
DocID026211 Rev 6
 ▷