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LTC3440 Datasheet(PDF) 5 Page - Linear Technology

Part # LTC3440
Description  Micropower Synchronous Buck-Boost DC/DC Converter
PDF  20 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC3440 Datasheet(HTML) 5 Page - Linear Technology

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5
LTC3440
3440fb
TYPICAL PERFOR A CE CHARACTERISTICS
Boost Max Duty Cycle
Minimum Start Voltage
Current Limit
TEMPERATURE (
°C)
–55
70
75
80
85
90
–25
5
35
65
3440 G19
95
125
VIN = VOUT = 3.6V
RT = 60k
TEMPERATURE (
°C)
–55
2.25
2.30
2.35
2.40
–25
5
35
65
3440 G20
95
125
TEMPERATURE (
°C)
–55
1000
1500
2000
2500
3000
–25
5
35
65
3440 G21
95
125
VIN = VOUT = 3.6V
PEAK SWITCH
AVERAGE INPUT
Feedback Voltage Line Regulation
Error Amp Sink Current
PMOS RDS(ON)
TEMPERATURE (
°C)
–55
60
70
80
90
–25
5
35
65
3440 G16
95
125
VIN = VOUT = 2.5V TO 5.5V
TEMPERATURE (
°C)
–55
350
370
390
410
430
–25
5
35
65
3440 G17
95
125
VIN = VOUT = 3.6V
TEMPERATURE (
°C)
–55
0.10
0.15
0.20
0.25
0.30
–25
5
35
65
3440 G18
95
125
VIN = VOUT = 3.6V
SWITCHES A AND D



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