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LTC3113EFE#TRPBF

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24
LTC3113
4
3113f
TYPICAL PERFORMANCE CHARACTERISTICS
Burst Mode No-Load Input
Current vs V
IN
Burst Mode No-Load Input
Current vs Temperature
PWM Mode No-Load Input
Current vs V
IN
Normalized P-Channel Switch
Resistance vs V
IN
Effi ciency 3.3V ±10% to 3.8V Effi ciency 1.8V, 3.6V, 5.5V to 3.8V
Normalized N-Channel Switch
Resistance vs V
IN
Feedback Voltage
vs Temperature
Maximum Load Current in PWM
Mode vs V
IN
(Input Current limit 5.8A)
(T
A
= 25°C, V
IN
= 3.3V, V
OUT
= 3.8V unless otherwise specifi ed)
TEMPERATURE (°C)
–45
INPUT CURRENT (μA)
40
50
60
15 55 75 95
3113 G04
30
20
–25 –5
35 115
10
0
TEMPERATATURE (°C)
–45
FEEDBACK VOLTAGE (V)
0.599
0.600
0.601
15 55
3113 G08
0.598
0.597
–25 –5
35 75 95 115
0.596
0.595
LOAD CURRENT (A)
60
EFFICIENCY (%)
70
80
90
100
0.001 0.1 1 10
3113 G01
50
0.01
V
IN
= 2.97V
V
IN
= 3.3V
V
IN
= 3.63V
V
IN
= 2.97V BURST
V
IN
= 3.3V BURST
V
IN
= 3.63V BURST
LOAD CURRENT (A)
60
EFFICIENCY (%)
70
80
90
100
0.001 0.1 1 10
3113 G02
50
0.01
V
IN
= 1.8V
V
IN
= 3.6V
V
IN
= 5.5V
V
IN
= 1.8V BURST
V
IN
= 3.6V BURST
V
IN
= 5.5V BURST
V
IN
(V)
1.5
0
INPUT CURRENT (μA)
10
30
40
50
100
70
2.5
3.0
3.5
3113 G03
20
80
90
60
2.0
4.0
4.5
5.0 5.5
V
OUT
= 5.5V
V
OUT
= 1.8V
V
OUT
= 3.8V
V
IN
(V)
1.5
0
INPUT CURRENT (mA)
10
20
30
40
2.5 3.5
4.5
5.5
3113 G05
50
60
2.0 3.0
4.0
5.0
V
OUT
= 5.5V
V
OUT
= 3.8V
V
OUT
= 1.8V
V
IN
(V)
0.7
NORMALIZED P-CHANNEL SWITCH RESISTANCE
0.9
1.1
1.4
1.3
0.8
1.0
1.2
2345
3113 G06
61.51 2.5 3.5 4.5 5.5
T = 125°C
T = 25°C
T = –40°C
V
IN
(V)
0.6
NORMALIZED N-CHANNEL SWITCH RESISTANCE
0.8
1.0
1.6
1.4
0.7
0.9
1.2
1.5
1.3
1.1
2345
3113 G07
61.51 2.5 3.5 4.5 5.5
T = 125°C
T = 25°C
T = –40°C
V
IN
(V)
1.5
1
MAXIMUM LOAD CURRENT (A)
2
3
4
5
2.5 3.5
4.5
5.5
3113 G09
6
2.0 3.0
4.0
5.0
LTC3113
5
3113f
Maximum Load Current in Burst
Mode Operation vs V
IN
(Burst
Mode Peak Current Limit 0.9A)
Output Voltage Regulation
vs Load Current Load Step, 0A to 3A
Output Voltage Ripple in Burst
Mode Operation
TYPICAL PERFORMANCE CHARACTERISTICS
(T
A
= 25°C, V
IN
= 3.3V, V
OUT
= 3.8V unless otherwise specifi ed)
Output Voltage Ripple in
PWM Mode Burst to PWM Mode Transient
Soft-Start
V
IN
(V)
1.5
MAXIMUM LOAD CURRENT (mA)
200
250
4.5
3113 G10
150
100
2.5 3.5
2.0 5.0
3.0 4.0 5.5
50
0
300
LOAD CURRENT (A)
–0.8
OUTPUT VOLTAGE REGULATION (%)
–0.6
–0.4
0
–0.2
0.0001 0.01 0.1 10
3113 G11
–1.0
0.001
1
PWM MODE
Burst Mode
OPERATION
I
LOAD
2A/DIV
V
OUT
200mV/DIV
100μs/DIV
BACK PAGE TYPICAL APPLICATION
3113 G12
INDUCTOR
CURRENT
1A/DIV
V
OUT
20mV/DIV
20μs/DIV
I
LOAD
= 50mA
FRONT PAGE TYPICAL APPLICATION
3113 G14
V
OUT
20mV/DIV
V
OUT
20mV/DIV
V
OUT
20mV/DIV
1μs/DIVI
LOAD
= 1A
3113 G14
V
IN
= 3.3V
V
IN
= 4V
V
IN
= 4.55V
V
OUT
50mV/DIV
BURST
2V/DIV
500μs/DIVI
LOAD
= 50mA
3113 G15
FRONT PAGE TYPICAL APPLICATION
V
OUT
2V/DIV
RUN
5V/DIV
500μs/DIVV
IN
= 3.3V
V
OUT
= 3.8V
C
OUT
= 100μF
3113 G16
Normalized Input Current Limit
vs Temperature (7.8A Typical)
Normalized Peak Current Limit
vs Temperature (11.1A Typical)
TEMPERATURE (°C)
0.90
NORMALIZED INPUT CURRENT LIMIT
1.00
1.10
0.95
1.05
–25 15 55 95
3113 G17
115–45 –5 35 75
TEMPERATURE (°C)
–45
NORMALIZED PEAK CURRENT LIMIT
1.05
3113 G18
0.95
0.90
–5
35
75 95
–25
15
55
115
1.10
1.00
LTC3113
6
3113f
TYPICAL PERFORMANCE CHARACTERISTICS
(T
A
= 25°C, V
IN
= 3.3V, V
OUT
= 3.8V unless otherwise specifi ed)
Minimum Start-Up Voltage
vs Temperature
Oscillator Frequency vs R
T
TEMPERATURE (°C)
–45
1.685
START-UP VOLTAGE (V)
1.687
1.691
1.693
1.695
1.705
1.699
–5
35
55
3113 G19
1.689
1.701
1.703
1.697
–25 15
75 95
115
R
T
(kΩ)
050
0
OSCILLATOR FREQUENCY (MHz)
1.0
2.5
100
200
250
3113 G20
0.5
2.0
1.5
150
300
350
OSCILLATOR FREQUENCY (MHz)
0.25
–6
REVERVE CURRENT LIMIT (A)
–5
–3
–2
–1
0.65
1.05
1.25
3113 G21
–4
0.45
1.45
1.65
1.85
0
0.85
V
OUT
PULLED UP TO 5.5V
L = 2.2μH
Negative Inductor Current
vs Oscillator Frequency
Junction Temperature Rise
vs Continuous Load Current for
V
OUT
= 1.8V
LOAD CURRENT (A)
0
0
JUNCTION TEMPERATURE RISE (°C)
10
20
30
40
60
0.5
1 1.5 2 2.5 3 3.5
3113 G22
4 4.5
50
V
IN
= 1.8V
V
IN
= 2.4V
V
IN
= 3.3V
V
IN
= 5.5V
Junction Temperature Rise
vs Continuous Load Current for
V
OUT
= 3.3V
LOAD CURRENT (A)
0
0
JUNCTION TEMPERATURE RISE (°C)
10
20
30
40
60
0.5
1 1.5 2
3113 G23
2.5 3 3.5 4 4.5
50
V
IN
= 1.8V
V
IN
= 2.4V
V
IN
= 3.3V
V
IN
= 5.5V
Junction Temperature Rise
vs Continuous Load Current for
V
OUT
= 3.8V
LOAD CURRENT (A)
0
0
JUNCTION TEMPERATURE RISE (°C)
10
20
30
40
60
0.5
1 1.5 2 2.5 3 3.5
3113 G24
4 4.5
50
V
IN
= 1.8V
V
IN
= 2.4V
V
IN
= 3.3V
V
IN
= 5.5V
Junction Temperature Rise
vs Continuous Load Current for
V
OUT
= 5.5V
LOAD CURRENT (A)
0
0
JUNCTION TEMPERATURE RISE (°C)
10
20
30
40
60
0.5
1 1.5 2
3113 G25
2.5 3 3.5
50
V
IN
= 1.8V
V
IN
= 2.4V
V
IN
= 3.3V
V
IN
= 5.5V
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LTC3113EFE#TRPBF

Mfr. #:
Buy LTC3113EFE#TRPBF
Manufacturer:
Analog Devices / Linear Technology
Description:
Switching Voltage Regulators 3A Wide Vin, Low Noise Buck-Boost DC/DC Converter
Lifecycle:
New from this manufacturer.
Delivery:
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