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LTC3530 데이터시트(PDF) 4 Page - Linear Technology

부품명 LTC3530
상세설명  Wide Input Voltage Synchronous Buck-Boost DC/DC Converter
PDF  16 Pages
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제조업체  LINER [Linear Technology]
홈페이지  http://www.linear.com
Logo LINER - Linear Technology

LTC3530 데이터시트(HTML) 4 Page - Linear Technology

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LTC3530
4
3530fb
RBURST (kΩ)
125
0
10
30
40
50
225
90
3530 G04
20
175
325
275
425
375
500
475
60
70
80
ENTER Burst Mode
OPERATION
LEAVE Burst Mode
OPERATION
TEMPERATURE (°C)
–45
1.78
1.80
1.82
75
3530 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
3530 G06
–35
5
65
85 105
VIN = VOUT = 3.3V
TEMPERATURE (°C)
–45
1.05
1.07
1.11
1.13
1.15
1.25
1.19
–5
35
55
3530 G07
1.09
1.21
1.23
1.17
–25
15
75
95 115
TEMPERATURE (°C)
–45
1.215
1.220
1.225
15
55
115
3530 G08
1.210
1.205
1.200
–25
–5
35
75
95
50ns/DIV
3530 G09
SW1
2V/DIV
SW2
2V/DIV
VIN = 2.9V
VOUT = 3.3V AT 500mA
50ns/DIV
3530 G10
SW1
2V/DIV
SW2
2V/DIV
VIN = 3.3V
VOUT = 3.3V AT 500mA
50ns/DIV
3530 G11
SW1
2V/DIV
SW2
2V/DIV
VIN = 4.2V
VOUT = 3.3V AT 500mA
1μs/DIV
3530 G12
VOUT = 3.3V
20mV/DIV
AC COUPLED
COUT = 22μF, X5R CERAMIC
VIN = 4.2V
VIN = 3.3V
VIN = 2.7V
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.
Switch Pins in Buck-Boost Mode
Switch Pins Entering
Buck-Boost Mode
LTC3530 Output Ripple
500mA Load
TYPICAL PERFORMANCE CHARACTERISTICS



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