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LT8610EMSE#PBF

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P22
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
LT8610
5
8610fa
For more information www.linear.com/LT8610
TYPICAL PERFORMANCE CHARACTERISTICS
Top FET Current Limit vs Duty Cycle
Top FET Current Limit Bottom FET Current Limit
Switch Drop
Minimum On-TimeSwitch Drop
No Load Supply Current No Load Supply Current
Minimum Off-Time
INPUT VOLTAGE (V)
0
0
INPUT CURRENT (µA)
0.5
1.5
2.0
2.5
5.0
3.5
10
20
25 45
8610 G10
1.0
4.0
4.5
3.0
5 15
30
35
40
V
OUT
= 3.3V
IN REGULATION
TEMPERATURE (°C)
–55 –25
0
INPUT CURRENT (µA)
10
25
5
65
95
8610 G11
5
20
15
35
125
155
V
OUT
= 3.3V
V
IN
= 12V
IN REGULATION
DUTY CYCLE
0
CURRENT LIMIT (A)
3.5
4.0
4.5
0.6
1.0
8610 G13
3.0
2.5
2.0
0.2 0.4 0.8
5.0
5.5
6.0
TEMPERATURE (°C)
–55
2.5
CURRENT LIMIT (A)
3.0
3.5
4.0
4.5
5.0
–25
5 35 65
8610 G14
95 125
30% DC
70% DC
TEMPERATURE (°C)
–55
2.4
CURRENT LIMIT (A)
2.6
2.8
3.0
3.2
3.6
–25
5 35 65
8610 G15
95 125
3.4
TEMPERATURE (°C)
–55
30
MINIMUM ON-TIME (ns)
35
45
50
55
80
65
5
65
95 125
8610 G17
40
70
75
60
–25
35
155
I
LOAD
= 1A, V
SYNC
= 0V
I
LOAD
= 1A, V
SYNC
= 3V
I
LOAD
= 2.5A, V
SYNC
= 0V
I
LOAD
= 2.5A, V
SYNC
= 3V
TEMPERATURE (°C)
–50
MINIMUM OFF-TIME (ns)
95
35
8610 G18
80
70
–25 5 65
65
60
100
90
85
75
95 125 155
V
IN
= 3.3V
I
LOAD
= 0.5A
TEMPERATURE (°C)
–55 –25
0
SWITCH DROP (mV)
100
250
5
65
95
8610 G40
50
200
150
35
125
155
TOP SW
BOT SW
SWITCH CURRENT = 1A
SWITCH CURRENT (A)
0
0
SWITCH DROP (mV)
50
150
200
250
2
450
8610 G41
100
1
0.5
2.5
1.5 3
300
350
400
TOP SW
BOT SW
LT8610
6
8610fa
For more information www.linear.com/LT8610
TYPICAL PERFORMANCE CHARACTERISTICS
Dropout Voltage Switching Frequency
Burst Frequency
Frequency Foldback
Minimum Load to Full Frequency
(SYNC DC High) Soft-Start Tracking
Soft-Start Current
PG High Thresholds PG Low Thresholds
LOAD CURRENT (A)
0
DROPOUT VOLTAGE (mV)
400
8610 G19
200
0
1 2
0.5
1.5 2.5
600
800
300
100
500
700
3
TEMPERATURE (°C)
–55
SWITCHING FREQUENCY (kHz)
730
35
8610 G20
700
680
–25 5 65
670
660
740
R
T
= 60.4k
720
710
690
95 125 155
LOAD CURRENT (mA)
0
SWITCHING FREQUENCY (kHz)
400
500
600
200
8610 G21
300
200
0
50
100
150
100
800
V
IN
= 12V
V
OUT
= 3.3V
700
FB VOLTAGE (V)
0
SWITCHING FREQUENCY (kHz)
300
400
500
0.6
1
8610 G22
200
100
0
0.2 0.4 0.8
600
700
800
V
OUT
= 3.3V
V
IN
= 12V
V
SYNC
= 0V
R
T
= 60.4k
TR/SS VOLTAGE (V)
0
FB VOLTAGE (V)
0.8
1.0
1.2
0.6 1.0
0.6
0.4
0.2 0.4
0.8 1.2 1.4
0.2
0
TEMPERATURE (°C)
–50
SS PIN CURRENT (µA)
2.3
35
8610 G24
2.0
1.8
–25 5 65
1.7
1.6
2.4
2.2
2.1
1.9
95 125 155
V
SS
= 0.5V
TEMPERATURE (°C)
–55
7.0
PG THRESHOLD OFFSET FROM V
REF
(%)
7.5
8.5
9.0
9.5
12.0
10.5
5
65
95 125
8610 G25
8.0
11.0
11.5
10.0
–25
35
155
FB RISING
FB FALLING
TEMPERATURE (°C)
–55
–12.0
PG THRESHOLD OFFSET FROM V
REF
(%)
–11.5
–10.5
–10.0
–9.5
–7.0
–8.5
5
65
95 125
8610 G26
–11.0
–8.0
–7.5
–9.0
–25
35
155
FB RISING
FB FALLING
INPUT VOLTAGE (V)
LOAD CURRENT (mA)
60
80
100
15 25 40 45
8610 G39
40
20
0
5 10
20
30 35
V
OUT
= 5V
f
SW
= 700kHz
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P22

LT8610EMSE#PBF

Mfr. #:
Buy LT8610EMSE#PBF
Manufacturer:
Analog Devices / Linear Technology
Description:
Switching Voltage Regulators 42V, 2.5A Synchronous Step-Down Regulator with 2.5uA Quiescent Current
Lifecycle:
New from this manufacturer.
Delivery:
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