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LTC1266 Datasheet(PDF) 5 Page - Linear Technology

Part # LTC1266
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

LTC1266 Datasheet(HTML) 5 Page - Linear Technology

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5
LTC1266
LTC1266-3.3/LTC1266-5
CC
HARA TERISTICS
A
TYPICALPERFOR
CE
INPUT VOLTAGE (V)
0
85
90
95
100
16
LTC1266 • TPC04
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
LTC1266 • TPC06
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
LTC1266 • TPC07
1.0
0.5
0
4
8
12
20
ACTIVE MODE
SLEEP MODE
INPUT VOLTAGE (V)
0
15
20
25
16
LTC1266 • TPC08
10
5
0
4
8
12
20
ACTIVE MODE
SLEEP MODE
INPUT VOLTAGE (V)
0
30
40
50
LTC1266 • TPC09
20
10
0
5
10
15
20
VIN
PWR VIN
OUTPUT VOLTAGE (V)
01
40
60
5
LTC1266 • TPC10
20
0
2
34
100
80
LTC1266-3.3
LTC1266-5
VSENSE
– = VOUT
(VIN – VOUT) VOLTAGE (V)
0
2.5
3.0
12
10
8
LTC1266 • TPC11
0.5
1.5
2.0
1.0
0
2
4
6
14
16
VOUT = 3.3V
0
°C
70
°C
25
°C
INPUT VOLTAGE (V)
0
0
10
20
16
LTC1266 • TPC05
–10
–20
4
812
–30
40
30
–40
FIGURE 11 CIRCUIT
ILOAD = 1A
TEMPERATURE (
°C)
0
100
150
200
80
LTC1266 • TPC12
50
0
–50
20
40
60
100
MAX THRESHOLD
MIN THRESHOLD (Burst Mode
OPERATION INHIBIT)
MIN THRESHOLD (Burst Mode
OPERATION ENABLED)
Efficiency vs Input Voltage
VIN DC Supply Current
Off-Time vs Output Voltage
Line Regulation
Operating Frequency
vs (VIN – VOUT) Voltage
Power VIN DC Supply Current
Load Regulation
Supply Current in Shutdown
Current Sense Threshold Voltage



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