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LT3502AEMS#TRPBF

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24
LT3502/LT3502A
4
3502fd
LT3502 Maximum Load Current
V
OUT
= 5V, L = 22µH Switch Voltage Drop
LT3502 Maximum Load Current
V
OUT
= 3.3V, L = 15µH
SWITCH CURRENT (A)
0
500
25°C
125°C
600
700
0.8
3502 G09
400
300
0.2 0.4 0.6 1.0
200
100
0
V
CE
(mV)
–40°C
V
IN
(V)
0
LOAD CURRENT (A)
0.5
0.6
0.7
40
3502 G07
0.4
0.3
0
0.1
10
20
30
0.2
0.9
0.8
MINIMUM
TYPICAL
V
IN
(V)
0
LOAD CURRENT (A)
0.5
0.6
0.7
40
3502 G08
0.4
0.3
0
0.1
10
20
30
0.2
0.9
0.8
MINIMUM
TYPICAL
LT3502 5V
OUT
Efficiency
LT3502A Maximum Load Current
V
OUT
= 3.3V, L = 6.8µH
LT3502A Maximum Load Current
V
OUT
= 5V, L = 10µH
LOAD CURRENT (A)
0
EFFICIENCY (%)
60
80
100
0.4
3502 G04
40
20
50
70
90
30
10
0
0.1
0.2
0.3
0.5
24V
IN
12V
IN
V
IN
(V)
0
0
LOAD CURRENT (A)
0.1
0.3
0.4
0.5
1.0
0.7
10
20
TYPICAL
3502 G05
0.2
0.8
0.9
0.6
30
40
MINIMUM
V
IN
(V)
0
0
0.1
0.3
0.4
0.5
1.0
0.7
10
20
0.2
0.8
0.9
0.6
30
40
MINIMUM
TYPICAL
typical perForMance characteristics
LT3502A 3.3V
OUT
Efficiency LT3502A 5V
OUT
Efficiency LT3502 3.3V
OUT
Efficiency
LOAD CURRENT (A)
0
0
EFFICIENCY (%)
10
30
40
50
0.2
0.4
0.5
90
3502 G01
20
0.1 0.3
60
70
80
24V
IN
12V
IN
LOAD CURRENT (A)
0
0
EFFICIENCY (%)
10
30
40
50
0.2
0.4
0.5
90
3502 G02
20
0.1 0.3
60
70
80
24V
IN
12V
IN
LOAD CURRENT (A)
0
EFFICIENCY (%)
60
80
100
0.4
3502 G03
40
20
50
70
90
30
10
0
0.1
0.2
0.3
0.5
5V
IN
24V
IN
12V
IN
(T
A
= 25°C unless otherwise noted)
LT3502/LT3502A
5
3502fd
Switching Frequency Soft-Start (SHDN)
UVLO
TEMPERATURE (°C)
–50
2.0
2.5
3.5
100
3502 G10
1.5
1.0
0 50 150
0.5
0
3.0
V
IN
(V)
TEMPERATURE (°C)
–50
FREQUENCY (MHz)
1.0
1.5
150
3502 G11
0.5
0
0
50
100
2.5
2.0
LT3502A
LT3502
SHDN PIN VOLTAGE (mV)
0
–0.1
SWITCH CURRENT LIMIT (A)
0
0.2
0.3
0.4
0.9
0.6
400
800
1000
3502 G12
0.1
0.7
0.8
0.5
200 600
1200
1400
1600
typical perForMance characteristics
(T
A
= 25°C unless otherwise noted)
LT3502A Maximum V
IN
for Full
Frequency (V
OUT
= 3.3V)
SHDN Pin Current
SHDN PIN VOLTAGE (V)
0
0
SHDN PIN CURRENT (µA)
50
150
200
250
10
20
25 45
3502 G13
100
5 15
30
35
40
300
TEMPERATURE (°C)
–50
0
CURRENT LIMIT (A)
0.1
0.3
0.4
0.5
1.0
0.7
0
50
3502 G14
0.2
0.8
0.9
0.6
100
150
DA VALLEY CURRENT LIMIT
SW PEAK CURRENT LIMIT
LOAD CURRENT (A)
0
0
V
IN
(V)
5
15
20
25
0.4
45
3502 G16
10
0.2
0.1
0.5 0.6
0.3
0.7
30
35
40
T
A
= 25°C
T
A
= 85°C
Switch Current Limit
LT3502A Maximum V
IN
for Full
Frequency (V
OUT
= 5V)
LOAD CURRENT (A)
0
0
V
IN
(V)
5
15
20
25
0.4
45
3502 G17
10
0.2
0.1
0.5 0.6
0.3 0.7
30
35
40
T
A
= 85°C
T
A
= 25°C
LT3502 Maximum V
IN
for Full
Frequency (V
OUT
= 3.3V)
LOAD CURRENT (A)
0
0
V
IN
(V)
5
15
20
25
0.4
45
3502 G18
10
0.2
0.1
0.5 0.6
0.3 0.7
30
35
40
T
A
= 85°C
T
A
= 25°C
Switch Current Limit
DUTY CYCLE (%)
0
0
CURRENT LIMIT (A)
0.2
0.4
0.6
0.8
1.0
1.2
50 100
3502 G15
LT3502A
LT3502
LT3502/LT3502A
6
3502fd
LT3502A Typical Minimum Input
Voltage (V
OUT
= 3.3V)
LOAD CURRENT (A)
0.001
7
6
5
4
3
2
1
0
3502 G19
0.01
0.1 1
V
IN
(V)
LT3502A Typical Minimum Input
Voltage (V
OUT
= 5V)
LOAD CURRENT (A)
0.001
4
V
IN
(V)
6
8
0.01 0.1 1
3502 G20
2
3
5
7
1
0
LT3502 Typical Minimum Input
Voltage (V
OUT
= 3.3V)
LOAD CURRENT (A)
0.001
7
6
5
4
3
2
1
0
3502 G21
0.01
0.1 1
V
IN
(V)
typical perForMance characteristics
(T
A
= 25°C unless otherwise noted)
Continuous Mode Waveform Discontinuous Mode Waveform
V
SW
5V/DIV
I
L
200mA/DIV
V
OUT
20mV/DIV
200ns/DIV
3502 G23
V
IN
= 12V
V
OUT
= 3.3V
L = 6.8µH
C
OUT
= 10µF
I
OUT
= 250mA
V
SW
5V/DIV
I
L
200mA/DIV
V
OUT
20mV/DIV
200ns/DIV
3502 G24
V
IN
= 12V
V
OUT
= 3.3V
L = 6.8µH
C
OUT
= 10µF
I
OUT
= 30mA
LT3502 Typical Minimum Input
Voltage (V
OUT
= 5V)
LOAD CURRENT (A)
0.001
4
V
IN
(V)
6
8
0.01 0.1 1
3502 G22
2
3
5
7
1
0
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24

LT3502AEMS#TRPBF

Mfr. #:
Buy LT3502AEMS#TRPBF
Manufacturer:
Analog Devices / Linear Technology
Description:
Switching Voltage Regulators 750kHz/2.2MHz,500mA Step-Down Regulator
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
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