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LTC3533 Scheda tecnica(PDF) 4 Page - Linear Technology

Il numero della parte LTC3533
Spiegazioni elettronici  2A Wide Input Voltage Synchronous Buck-Boost DC/DC Converter
PDF  16 Pages
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Produttore elettronici  LINER [Linear Technology]
Homepage  http://www.linear.com
Logo LINER - Linear Technology

LTC3533 Scheda tecnica(HTML) 4 Page - Linear Technology

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LTC3533
4
3533f
TYPICAL PERFORMANCE CHARACTERISTICS
Quiescent Current vs VIN
(Fixed Frequency Mode)
Burst Mode Quiescent Current
Peak Current Limit vs
Temperature
Automatic Burst Mode Threshold
vs RBURST
Minimum Start Voltage vs
Temperature
Average Input Current Limit vs
Temperature
Frequency Change vs
Temperature
Feedback Voltage vs Temperature
Switch Pins Before Entering
Boost Mode
TA = 25°C, unless otherwise specified.
VIN (V)
2.5
4.0
5.0
3533 G01
3.0
3.5
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
5.5
2.0 MHz
1.5 MHz
1.0 MHz
0.5 MHz
NO SWITCHING
VIN (V)
2.5
3.0
3.5
4.0
4.5
3530 G02
5.0
50
45
40
35
30
25
20
15
10
5
0
5.5
TEMPERATURE (
°C)
–55
–5
–4
–2
–1
0
5
2
–15
25
45
125
3533 G03
–3
3
4
1
–35
5
65
85 105
RBURST (kΩ)
100
0
50
100
150
200
125
150
175
200
3533 G04
225
250
LEAVE Burst Mode
OPERATION
ENTER Burst Mode
OPERATION
TEMPERATURE (
°C)
–45
1.78
1.80
1.82
75
3533 G05
1.76
1.74
–5
35
–25
95
15
55
115
1.72
1.70
1.84
TEMPERATURE (
°C)
–55
5
4
3
2
1
0
–1
–2
–3
–4
–5
–15
25
45
125
3533 G06
–35
5
65
85 105
TEMPERATURE (
°C)
–55
1.056
1.058
1.062
1.064
1.066
1.076
1.070
–15
25
45
125
3533 G07
1.060
1.072
1.074
1.068
–35
5
65
85 105
TEMPERATURE (
°C)
–55
1.2100
1.2200
–15
25
45
125
3533 G08
1.2150
–35
5
65
85 105
1.2250
50ns/DIV
3533 G09
SW1
2V/DIV
SW2
2V/DIV
VIN = 2.9V
VOUT = 3.3V AT 500mA



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