OMO ElectronicOMO Electronic
Expand menu
Hello, Sign inMy Account
0 Cart

LT3684EDD#TRPBF

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24
LT3684
4
3684fa
For more information www.linear.com/LT3684
Efficiency (V
OUT
= 5.0V) Efficiency (V
OUT
= 3.3V)
Maximum Load Current
Switch Voltage Drop Boost Pin Current
Switch Current LimitMaximum Load Current
Switch Current Limit
Efficiency
(T
A
= 25°C unless otherwise noted)
TYPICAL PERFORMANCE CHARACTERISTICS
LOAD CURRENT (A)
0
EFFICIENCY (%)
80
90
100
1.6
3684 G01
70
60
50
0.2 0.4 0.6
0.8 1.0
1.2 1.4 1.8
2.0
V
IN
= 12V
V
IN
= 24V
L: NEC PLC-0745-4R7
f = 800kHz
LOAD CURRENT (A)
0
EFFICIENCY (%)
70
75
80
85
90
1.6
3684 G02
65
60
55
50
0.2 0.4 0.6
0.8 1.0
1.2 1.4 1.8
2.0
V
IN
= 12V
V
IN
= 7V
V
IN
= 24V
L: NEC PLC-0745-4R7
f = 800kHz
SWITCHING FREQUENCY (MHz)
0
EFFICIENCY (%)
85
1.5
3684 G03
70
60
0.5 1 2
55
50
90
80
75
65
2.5 3
V
IN
= 12V
V
IN
= 24V
V
OUT
= 3.3V
L = 10µH
LOAD = 1A
INPUT VOLTAGE (V)
5
LOAD CURRENT (A)
15
3684 G04
2.5
10 20
1.5
1.0
4.0
3.5
3.0
2.0
25 30
TYPICAL
MINIMUM
V
OUT
= 3.3V
T
A
= 25°C
L = 4.7µH
f = 800kHz
INPUT VOLTAGE (V)
5
LOAD CURRENT (A)
15
3684 G05
2.5
10 20
1.5
1.0
4.0
3.5
3.0
2.0
25 30
TYPICAL
MINIMUM
V
OUT
= 5V
T
A
= 25°C
L = 4.7µH
f = 800kHz
DUTY CYCLE (%)
0
SWITCH CURRENT LIMIT (A)
40
3684 G06
2.5
20 60
1.5
1.0
4.0
3.5
3.0
2.0
80 100
TEMPERATURE (°C)
–50
SWITCH CURRENT LIMIT (A)
2.0
2.5
3.0
125
3684 G07
1.5
1.0
0
0–25 5025 10075
0.5
4.5
4.0
DUTY CYCLE = 10 %
DUTY CYCLE = 90 %
SWITCH CURRENT (mA)
0
400
500
700
1500 2500
3684 G08
300
200
500 1000
2000 3000 3500
100
0
600
VOLTAGE DROP (mV)
SWITCH CURRENT (mA)
0
0
BOOST PIN CURRENT (mA)
10
30
40
50
2000
90
3684 G09
20
1000
500
2500 3000
1500 3500
60
70
80
LT3684
5
3684fa
For more information www.linear.com/LT3684
Feedback Voltage Switching Frequency Frequency Foldback
Minimum Switch On-Time Soft-Start RUN/SS Pin Current
Boost Diode Error Amp Output Current Minimum Input Voltage
TYPICAL PERFORMANCE CHARACTERISTICS
(T
A
= 25°C unless otherwise noted)
TEMPERATURE (°C)
–50
FEEDBACK VOLTAGE (V)
1.270
1.280
125
3684 G10
1.260
1.250
0 50 100–25 25 75
1.290
1.265
1.275
1.255
1.285
TEMPERATURE (°C)
–50
FREQUENCY (MHz)
1.00
1.10
125
3684 G11
0.90
0.80
0 50 100–25 25 75
1.20
R
T
= 45.3k
0.95
1.05
0.85
1.15
FB PIN VOLTAGE (mV)
0
SWITCHING FREQUENCY (kHz)
800
1000
1200
600 1000
3684 G12
600
400
200 400
800 1200 1400
200
0
R
T
= 45.3k
TEMPERATURE (°C)
–50
MINIMUM SWITCH ON-TIME (ns)
80
100
120
25
3684 G13
60
40
–25 0 50 75 100 125
20
0
140
RUN/SS PIN VOLTAGE (V)
0
SWITCH CURRENT LIMIT (A)
3.5
1.5
3684 G14
2.0
1.0
0.5 12
0.5
0
4.0
3.0
2.5
1.5
2.5 3 3.5
RUN/SS PIN VOLTAGE (V)
0
RUN/SS PIN CURRENT (µA)
8
10
12
15 25
3684 G15
6
4
5 10
20 30 35
2
0
BOOST DIODE CURRENT (A)
0
BOOST DIODE V
f
(V)
0.8
1.0
1.2
2.0
3684 G16
0.6
0.4
0
0.5
1.0
1.5
0.2
1.6
1.4
FB PIN VOLTAGE (V)
1.065
–80
V
C
PIN CURRENT (µA)
–60
–20
0
20
1.265 1.465
100
3684 G17
–40
1.165 1.365
40
60
80
LOAD CURRENT (A)
0.001
INPUT VOLTAGE (V)
3.0
3.5
10
3684 G18
2.5
2.0
0.01
0.1
1
4.5
4.0
V
OUT
= 3.3V
T
A
= 25°C
L = 4.7µH
f = 800kHz
LT3684
6
3684fa
For more information www.linear.com/LT3684
V
C
VoltagesMinimum Input Voltage Power Good Threshold
Switching Waveforms
(Discontinuous Operation)
Switching Waveforms
(Continuous Operation)
TYPICAL PERFORMANCE CHARACTERISTICS
(T
A
= 25°C unless otherwise noted)
LOAD CURRENT (A)
0.001
INPUT VOLTAGE (V)
5.0
5.5
10
3684 G19
4.5
4.0
0.01
0.1
1
6.5
6.0
V
OUT
= 5V
T
A
= 25°C
L = 4.7µH
f = 800kHz
TEMPERATURE (°C)
–50
THRESHOLD VOLTAGE (V)
1.50
2.00
2.50
25 75 125
3684 G20
1.00
0.50
0
–25 0 50 100
CURRENT LIMIT CLAMP
SWITCHING THRESHOLD
TEMPERATURE (°C)
–50
THRESHOLD VOLTAGE (V)
1.160
1.180
1.200
25 75 125
3684 G21
1.140
1.120
1.100
–25 0 50 100
PG RISING
I
L
0.5A/DIV
V
SW
5V/DIV
V
OUT
10mV/DIV
3684 G22
1µs/DIV
V
IN
= 12V, FRONT PAGE APPLICATION
I
LOAD
= 140mA
I
L
0.5A/DIV
V
RUN/SS
5V/DIV
V
OUT
10mV/DIV
3684 G23
1µs/DIV
V
IN
= 12V, FRONT PAGE APPLICATION
I
LOAD
= 1A
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24

LT3684EDD#TRPBF

Mfr. #:
Buy LT3684EDD#TRPBF
Manufacturer:
Analog Devices / Linear Technology
Description:
Switching Voltage Regulators 36V/2A Buck (non BurstMode LT3481)
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union

Products related to this Datasheet