Datasheet

LT8610
4
8610fa
For more information www.linear.com/LT8610
TYPICAL PERFORMANCE CHARACTERISTICS
Efficiency at 3.3V
OUT
Efficiency vs Frequency Reference Voltage
EN Pin Thresholds Load Regulation Line Regulation
Efficiency at 5V
OUT
Efficiency at 3.3V
OUT
Efficiency at 5V
OUT
LOAD CURRENT (A)
0
EFFICIENCY (%)
80
90
100
2
8610 G01
70
60
75
85
95
65
55
50
0.5
1
1.5
2.5
V
IN
= 12V
V
IN
= 24V
f
SW
= 700kHz
LOAD CURRENT (A)
0
EFFICIENCY (%)
80
90
100
2
8610 G02
70
60
75
85
95
65
55
50
0.5
1
1.5
2.5
V
IN
= 12V
V
IN
= 24V
f
SW
= 700kHz
LOAD CURRENT (mA)
30
EFFICIENCY (%)
90
100
20
10
80
50
70
60
40
0.001 0.1 1 10 100 1000
10000
8610 G03
0
0.01
V
IN
= 12V
V
IN
= 24V
f
SW
= 700kHz
LOAD CURRENT (mA)
30
EFFICIENCY (%)
90
100
20
10
80
50
70
60
40
0.001 10 100 1000 10000
8610 G04
0
0.01 0.1 1
V
IN
= 12V
V
IN
= 24V
f
SW
= 700kHz
SWITCHING FREQUENCY (MHz)
0.25
90
92
96
1.75
8610 G05
88
86
0.75 1.25 2.25
84
82
94
EFFICIENCY (%)
V
IN
= 12V
V
IN
= 24V
V
OUT
= 3.3V
TEMPERATURE (°C)
55
0.955
REFERENCE VOLTAGE (V)
0.958
0.964
0.967
0.970
0.985
0.976
5
65
95 125
8610 G06
0.961
0.979
0.982
0.973
25
35
155
TEMPERATURE (°C)
–55
0.95
EN THRESHOLD (V)
0.96
0.98
0.99
1.00
65
1.04
8610 G07
0.97
5
–25
95 125
35 155
1.01
1.02
1.03
EN RISING
EN FALLING
LOAD CURRENT (A)
0
–0.25
CHANGE IN V
OUT
(%)
–0.15
–0.05
0.05
0.5
1
1.5 2
8610 G08
2.5
0.15
0.25
–0.20
–0.10
0
0.10
0.20
3
V
OUT
= 3.3V
V
IN
= 12V
INPUT VOLTAGE (V)
0
CHANGE IN V
OUT
(%)
0.02
0.06
0.10
40
8610 G09
–0.02
–0.06
0
0.04
0.08
–0.04
–0.08
–0.10
105
2015
30 35 45
25
V
OUT
= 3.3V
I
LOAD
= 0.5A
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