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LTC3530 数据表(PDF) 4 Page - Linear Technology

部件名 LTC3530
功能描述  Wide Input Voltage Synchronous Buck-Boost DC/DC Converter
PDF  16 Pages
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制造商  LINER [Linear Technology]
网页  http://www.linear.com
标志 LINER - Linear Technology

LTC3530 数据表(HTML) 4 Page - Linear Technology

  LTC3530 Datasheet HTML 1Page - Linear Technology LTC3530 Datasheet HTML 2Page - Linear Technology LTC3530 Datasheet HTML 3Page - Linear Technology LTC3530 Datasheet HTML 4Page - Linear Technology LTC3530 Datasheet HTML 5Page - Linear Technology LTC3530 Datasheet HTML 6Page - Linear Technology LTC3530 Datasheet HTML 7Page - Linear Technology LTC3530 Datasheet HTML 8Page - Linear Technology LTC3530 Datasheet HTML 9Page - Linear Technology Next Button
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background image
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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