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LTC1266CS Datasheet(PDF) 5 Page - Linear Technology

Part # LTC1266CS
Description  Synchronous Regulator Controller for N- or P-Channel MOSFETs
PDF  20 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC1266CS Datasheet(HTML) 5 Page - Linear Technology

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5
LTC1266
LTC1266-3.3/LTC1266-5
INPUT VOLTAGE (V)
0
85
90
95
100
16
1266 G04
80
75
70
4
8
12
20
FIGURE 11 CIRCUIT
ILOAD = 2.5A
ILOAD = 100mA
ILOAD = 1A
LOAD CURRENT (A)
0
–40
–30
–20
–10
30
10
0.5
1.0
20
0
1.5
2.0
2.5
3.0
1266 G06
FIGURE 11 CIRCUIT
VIN = 12V (Burst Mode
OPERATION ENABLED)
VIN = 5V
VIN = 5V (Burst Mode
OPERATION INHIBITED)
INPUT VOLTAGE (V)
0
1.5
2.0
2.5
3.0
16
1266 G07
1.0
0.5
0
4
8
12
20
ACTIVE MODE
SLEEP MODE
INPUT VOLTAGE (V)
0
15
20
25
16
1266 G08
10
5
0
4
8
12
20
ACTIVE MODE
SLEEP MODE
INPUT VOLTAGE (V)
0
30
40
50
1266 G09
20
10
0
5
10
15
20
PWR VIN
VIN
INPUT VOLTAGE (V)
0
0
10
20
16
1266 G05
–10
–20
4
812
–30
40
30
–40
FIGURE 11 CIRCUIT
ILOAD = 1A
Efficiency vs Input Voltage
VIN DC Supply Current
Line Regulation
Power VIN DC Supply Current
Load Regulation
Supply Current in Shutdown
TYPICAL PERFOR A CE CHARACTERISTICS
Efficiency vs Input Voltage
LOAD CURRENT (A)
0
–50
–40
–30
–20
20
0
1
2
10
–10
3
4
5
1266 G03
VIN = 5V
FIGURE 1 CIRCUIT
VIN = 9V (Burst Mode
OPERATION ENABLED)
VIN = 5V (Burst Mode
OPERATION INHIBITED)
Line Regulation
Load Regulation
INPUT VOLTAGE (V)
3
70
75
80
85
90
100
4
56
7
1266 G01
89
95
ILOAD = 2.5A
FIGURE 1 CIRCUIT
ILOAD = 5A
ILOAD = 100mA
INPUT VOLTAGE (V)
3
0
10
20
9
1266 G02
–10
–20
–40
45678
–30
40
30
FIGURE 1 CIRCUIT
ILOAD = 1A



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