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LTC3400 데이터시트(PDF) 3 Page - Linear Technology

부품명 LTC3400
상세설명  600mA, 1.2MHz Micropower Synchronous Boost Converter in ThinSOT
PDF  12 Pages
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제조업체  LINER [Linear Technology]
홈페이지  http://www.linear.com
Logo LINER - Linear Technology

LTC3400 데이터시트(HTML) 3 Page - Linear Technology

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LTC3400/LTC3400B
3
3400fa
TYPICAL PERFOR A CE CHARACTERISTICS
Output Load Burst Mode Threshold
vs VIN
VIN (V)
0.9
0
1.5
2.1
2.7
3.3
3400 G01
3.9
4.5
20
10
VOUT = 3.3V
VOUT = 5V
L = 4.7
µH
TA = 25°C
TEMPERATURE (
°C)
–60
3.24
3.26
3.28
3.30
3.32
3.36
–30
030
60
3400 G02
90
120
3.34
FIGURE 1 CIRCUIT
IO = 10mA
IOUT (mA) CURRENT SOURCE LOAD
0.1
0.8
1.2
1.3
1.4
1
10
100
3400 G03
1.1
1.0
0.9
TA = 25°C
VOUT vs Temperature
Minimum Start-Up Voltage
vs Load Current
No Load Battery Current vs VBATT
BATTERY VOLTAGE (V)
1.2
10
100
1000
1.8
3400 G04
0.9
3.0
1.5
2.1
2.4
2.7
VOUT = 3.3V
TA = 25°C
SW Pin Fixed Frequency,
Continuous Inductor Current
Operation
TEMPERATURE (
°C)
–50
0.99
1.00
1.01
10
50
3400 G05
0.98
0.97
–30
–10
30
70
90
0.96
0.95
SW Pin Antiringing Operation
Fixed Frequency and Burst Mode
Operation
VOUT Transient Response
Normalized Oscillator Frequency
vs Temperature
VSW
1V/DIV
0V
VIN = 1.3V
100ns/DIV
3400 G06
VOUT = 3.3V
IOUT = 10mA
L = 6.8
µH
COUT = 4.7µF
VSW
1V/DIV
0V
VIN = 1.3V
100ns/DIV
3400 G07
VOUT = 3.3V
IOUT = 50mA
L = 6.8
µH
COUT = 4.7µF
VOUT(AC)
100mV/DIV
60mA
VIN = 1.3V
10ms/DIV
3400 G08
VOUT = 3.3V
IOUT = 60mA TO 10µA
L = 6.8
µH
COUT = 4.7µF
10
µA
IOUT
VOUT(AC)
100mV/DIV
100mA
VIN = 1.3V
100
µs/DIV
3400 G09
VOUT = 3.3V
IOUT = 40mA TO 100mA
L = 6.8
µH
COUT = 4.7µF
40mA
IOUT



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