Typical Performance Characteristics - Analog Devices Linear ADI Power LTM4681 Manual

LTM4681

TYPICAL PERFORMANCE CHARACTERISTICS

Single Channel Efficiency, 5V
V = SV
IN IN
RUNP = 0V, CCM Mode
100
98
96
94
92
90
88
86
84
82
80
0 5 10
LOAD CURRENT (A)
Single Channel Efficiency, 12V
V = SV
IN IN
12V, CCM Mode
100
98
96
94
92
90
88
86
84
82
80
0 5 10
LOAD CURRENT (A)
12
,
IN
= INTV = 5V,
CC
0.9V , 250kHz
OUT
1.0V , 250kHz
OUT
1.2V , 350kHz
OUT
1.5V , 425kHz
OUT
1.8V , 500kHz
OUT
2.5V , 575kHz
OUT
3.3V , 650kHz
OUT
15 20 25 30 35
4681 G01
IN
= V = RUNP =
IN_VBIAS
0.9V , 250kHz
OUT
1.0V , 250kHz
OUT
1.2V , 350kHz
OUT
1.5V , 425kHz
OUT
1.8V , 500kHz
OUT
2.5V , 575kHz
OUT
3.3V , 650kHz
OUT
15 20 25 30 35
4681 G03
For more information
T = 25°C, unless otherwise noted.
A
Single Channel Efficiency, 8V
V = SV
IN IN
RUNP = 8V,CCM Mode
100
98
96
94
92
90
88
86
84
82
80
0 5 10
LOAD CURRENT (A)
Quad Channel Single
Output Efficiency
V = SV
IN IN
V = 5.5V External, CCM Mode
BIAS
100
98
96
94
92
90
88
86
84
82
80
0 20
LOAD CURRENT (A)
www.analog.com
,
IN
= V = 8V,
IN_VBIAS
0.9V , 250kHz
OUT
1.0V , 250kHz
OUT
1.2V , 350kHz
OUT
1.5V , 425kHz
OUT
1.8V , 500kHz
OUT
2.5V , 575kHz
OUT
3.3V , 650kHz
OUT
15 20 25 30 35
4681 G02
= 12V, RUNP = 0V,
0.9V , 250kHz
OUT
1.0V , 250kHz
OUT
1.2V , 350kHz
OUT
1.5V , 425kHz
OUT
1.8V , 500kHz
OUT
2.5V , 575kHz
OUT
3.3V , 650kHz
OUT
40 60 80 100 120
4681 G04
Rev. A