Linear ANALOG DEVICES LTM4680, Operation Manual, Page: 12 / 126

LTM4680
12
Rev. B
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TYPICAL PERFORMANCE CHARACTERISTICS
Single Channel Efficiency,
5V
IN
, V
IN
= SV
IN
= EXTV
CC
= 5V
CCM Mode
Dual Channel Single Output
Efficiency, 12V
IN
, V
IN
= SV
IN
= 12V,
EXTV
CC
= 5V, V
OUT0
and V
OUT1
Paralleled CCM Mode
Single Channel Efficiency,
8V
IN
, V
IN
= SV
IN
= 8V,
EXTV
CC
= 5V, CCM Mode
Single Channel Efficiency,
12V
IN
, V
IN
= SV
IN
= 12V,
EXTV
CC
= 5V CCM Mode
T
A
= 25°C.
0.9V, 250kHz
1.0V, 250kHz
1.2V, 350kHz
1.5V, 425kHz
1.8V, 500kHz
2.5V, 575kHz
3.3V, 650kHz
LOAD CURRENT (A)
0 5 10 15 20 25 30
65
70
75
80
85
90
95
100
EFFICIENCY (%)
4680 G01
0.9V, 250kHz
1.0V, 250kHz
1.2V, 350kHz
1.5V, 425kHz
1.8V, 500kHz
2.5V, 575kHz
3.3V, 650kHz
LOAD CURRENT (A)
0 5 10 15 20 25 30
65
70
75
80
85
90
95
100
EFFICIENCY (%)
4680 G02
0.9V, 250kHz
1.0V, 250kHz
1.2V, 350kHz
1.5V, 425kHz
1.8V, 500kHz
2.5V, 575kHz
3.3V, 650kHz
LOAD CURRENT (A)
0 5 10 15 20 25 30
65
70
75
80
85
90
95
100
EFFICIENCY (%)
4680 G03
0.9V, 250kHz
1.0V, 250kHz
1.2V, 350kHz
1.5V, 425kHz
2.5V, 575kHz
3.3V, 650kHz
LOAD CURRENT (A)
0 10 20 30 40 50 60
65
70
75
80
85
90
95
100
EFFICIENCY (%)
4680 G04