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LTC3632 Arkusz danych(PDF) 4 Page - Linear Technology

Numer części LTC3632
Szczegółowy opis  High Effi ciency, High Voltage 20mA Synchronous Step-Down Converter
PDF  22 Pages
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Producent  LINER [Linear Technology]
Strona internetowa  http://www.linear.com
Logo LINER - Linear Technology

LTC3632 Arkusz danych(HTML) 4 Page - Linear Technology

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LTC3632
4
3632fb
TYPICAL PERFORMANCE CHARACTERISTICS
Efficiency vs Load Current,
VOUT = 5V
Efficiency vs Input Voltage
Line Regulation
Load Regulation
Feedback Comparator Trip
Voltage vs Temperature
Feedback Comparator Hysteresis
Voltage vs Temperature
Peak Current Trip Threshold
vs Temperature and ISET
LOAD CURRENT (mA)
0.1
70
75
80
85
90
110
3632 G01
65
60
55
50
95
100
VIN = 12V
VIN = 24V
VIN = 48V
VOUT = 5V
FIGURE 11 CIRCUIT
VIN = 36V
Efficiency vs Load Current,
VOUT = 3.3V
LOAD CURRENT (mA)
0.1
70
75
80
85
90
110
3632 G02
65
60
55
50
95
100
VIN = 12V
VIN = 24V
VIN = 48V
VOUT = 3.3V
FIGURE 11 CIRCUIT
VIN = 36V
Efficiency vs Load Current,
VOUT = 2.5V
LOAD CURRENT (mA)
0.1
70
75
80
85
90
110
3632 G03
65
60
55
50
95
100
VIN = 12V
VIN = 24V
VIN = 48V
VOUT = 2.5V
FIGURE 11 CIRCUIT
VIN = 36V
INPUT VOLTAGE (V)
10
70
75
80
85
90
20
30
40
50
3632 G04
95
100
15
25
35
45
VOUT = 5V
FIGURE 11 CIRCUIT
ILOAD = 20mA
ILOAD = 5mA
ILOAD = 1mA
INPUT VOLTAGE (V)
5
–0.50
–0.40
–0.20
–0.10
0
0.50
0.20
15
25
30
50
3632 G05
–0.30
0.30
0.40
0.10
10
20
35
40
45
ILOAD = 20mA
FIGURE 11 CIRCUIT
LOAD CURRENT (mA)
0
4.95
4.96
4.98
4.99
5.00
5.05
5.02
5
10
3632 G06
4.97
5.03
5.04
5.01
15
20
VIN = 10V
VOUT = 5V
FIGURE 11 CIRCUIT
TEMPERATURE (°C)
–40
0.798
0.799
0.800
0.801
–10
20
50
80
3632 G07
110
VIN = 10V
TEMPERATURE (°C)
–40
4.4
4.6
4.8
5.0
5.2
5.6
–10
20
50
80
3632 G08
110
5.4
VIN = 10V
TEMPERATURE (°C)
–40
0
10
20
30
40
60
–10
20
50
80
3632 G09
110
50
ISET OPEN
ISET = GND
RISET = 500k
VIN = 10V
TA = 25°C, unless otherwise noted.



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