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Номер в каталоге
Компоненты Описание
LTC1266CS-3.3 Просмотр технического описания (PDF) - Linear Technology
Номер в каталоге
Компоненты Описание
производитель
LTC1266CS-3.3
Synchronous Regulator Controller for N- or P-Channel MOSFETs
Linear Technology
LTC1266CS-3.3 Datasheet PDF : 20 Pages
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TYPICAL PERFOR A CE CHARACTERISTICS
LTC1266
LTC1266-3.3/LTC1266-5
Efficiency vs Input Voltage
100
FIGURE 1 CIRCUIT
95
90
I
LOAD
= 5A
85
I
LOAD
= 2.5A
80
I
LOAD
= 100mA
75
70
3
45
6
7
INPUT VOLTAGE (V)
89
1266 G01
Efficiency vs Input Voltage
100
FIGURE 11 CIRCUIT
95
I
LOAD
= 1A
I
LOAD
= 2.5A
90
85
I
LOAD
= 100mA
80
75
70
0
4
8
12
16
20
INPUT VOLTAGE (V)
1266 G04
V
IN
DC Supply Current
3.0
2.5
2.0
ACTIVE MODE
1.5
1.0
0.5
0
0
SLEEP MODE
4
8
12
16
20
INPUT VOLTAGE (V)
1266 G07
Line Regulation
40
FIGURE 1 CIRCUIT
30
I
LOAD
= 1A
20
10
0
–10
–20
–30
– 40
3
4
5
6
7
INPUT VOLTAGE (V)
Line Regulation
40
FIGURE 11 CIRCUIT
30
I
LOAD
= 1A
20
10
0
–10
–20
–30
– 40
0
4
8
12
INPUT VOLTAGE (V)
8
9
1266 G02
16
1266 G05
Power V
IN
DC Supply Current
25
20
ACTIVE MODE
15
10
5
SLEEP MODE
0
0
4
8
12
16
20
INPUT VOLTAGE (V)
1266 G08
Load Regulation
20
FIGURE 1 CIRCUIT
10
V
IN
= 9V (Burst Mode
0
OPERATION ENABLED)
–10
V
IN
= 5V
–20
–30
V
IN
= 5V (Burst Mode
–40 OPERATION INHIBITED)
–50
0
1
2
3
4
5
LOAD CURRENT (A)
1266 G03
Load Regulation
30
FIGURE 11 CIRCUIT
20
10
0
V
IN
= 12V (Burst Mode
OPERATION ENABLED)
–10
V
IN
= 5V
–20
V
IN
= 5V (Burst Mode
OPERATION INHIBITED)
–30
–40
0
0.5 1.0 1.5 2.0 2.5 3.0
LOAD CURRENT (A)
1266 G06
Supply Current in Shutdown
50
40
V
IN
30
20
10
PWR V
IN
0
0
5
10
15
20
INPUT VOLTAGE (V)
1266 G09
5
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