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LTC3104 датащи(PDF) 4 Page - Linear Technology

номер детали LTC3104
подробное описание детали  High Efficiency, 65V 500mA Synchronous
PDF  26 Pages
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производитель  LINER [Linear Technology]
домашняя страница  http://www.linear.com
Logo LINER - Linear Technology

LTC3104 датащи(HTML) 4 Page - Linear Technology

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LTC3630
4
3630fb
TYPICAL PERFORMANCE CHARACTERISTICS
Efficiency and Power Loss
vs Load Current, VOUT = 5V
Efficiency and Power Loss
vs Load Current, VOUT = 3.3V
Efficiency and Power Loss
vs Load Current, VOUT = 1.8V
Soft-Start Waveform
Load Step Transient Response
Short-Circuit Response
ELECTRICAL CHARACTERISTICS
Note that the maximum ambient temperature consistent with these
specifications is determined by specific operating conditions in
conjunction with board layout, the rated package thermal impedance and
other environmental factors.
Note 4: This IC includes over temperature protection that is intended to
protect the device during momentary overload conditions. The maximum
rated junction temperature will be exceeded when this protection is active.
Continuous operation above the specified absolute maximum operating
junction temperature may impair device reliability or permanently damage
the device. The overtemperature protection level is not production tested.
Note 5: Dynamic supply current is higher due to the gate charge being
delivered at the switching frequency. See Applications Information.
Note 6: For application concerned with pin creepage and clearance
distances at high voltages, the MSOP package should be used. See
Applications Information.
OUTPUT
VOLTAGE
2V/DIV
INDUCTOR
CURRENT
500mA/DIV
1ms/DIV
COUT = 100μF
FIGURE 13 CIRCUIT
3630 G01
OUTPUT
VOLTAGE
50mV/DIV
LOAD
CURRENT
200mA/DIV
500μs/DIV
VIN = 12V
VOUT = 5V
FIGURE 13 CIRCUIT
3630 G02
OUTPUT
VOLTAGE
2V/DIV
INDUCTOR
CURRENT
500mA/DIV
200μs/DIV
VIN = 12V
VOUT = 5V
FIGURE 13 CIRCUIT
3630 G03
LOAD CURRENT (mA)
30
90
100
20
10
80
50
70
10
1
100
1000
60
40
0.1
10
100
1000
3630 G04
0
1
EFFICIENCY
POWER
VOUT = 5V
FIGURE 13 CIRCUIT
VIN = 12V
VIN = 65V
LOAD CURRENT (mA)
30
90
100
20
10
80
50
70
10
1
100
1000
60
40
0.1
10
100
1000
3630 G05
0
1
EFFICIENCY
POWER
VOUT = 3.3V
FIGURE 13 CIRCUIT
VIN = 12V
VIN = 65V
LOAD CURRENT (mA)
30
90
100
20
10
80
50
70
10
1
100
1000
60
40
0.1
10
100
1000
3630 G06
0
1
EFFICIENCY
POWER
VOUT = 1.8V
FIGURE 13 CIRCUIT
VIN = 12V
VIN = 65V



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