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LT1777 Datasheet(PDF) 5 Page - Linear Technology

Part # LT1777
Description  Low Noise Step-Down Switching Regulator
PDF  24 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LT1777 Datasheet(HTML) 5 Page - Linear Technology

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5
LT1777
TYPICAL PERFOR A CE CHARACTERISTICS
Switching Frequency
vs Temperature
Minimum Synchronization
Voltage vs Temperature
Output dI/dt Sense Voltage
vs Temperature
VC Pin Switching Threshold,
Clamp Voltage vs Temperature
Feedback Amplifier Output
Current vs FB Pin Voltage
Error Amplifier Transconductance
vs Temperature
TEMPERATURE (
°C)
106
104
102
100
98
96
94
1777 G07
–50
25
75
–25
0
50
100
125
TEMPERATURE (
°C)
2.25
2.00
1.75
1.50
1.25
1.00
0.75
1777 G08
–50
25
75
–25
0
50
100
125
TEMPERATURE (
°C)
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
1777 G09
–50
25
75
–25
0
50
100
125
TEMPERATURE (
°C)
–50
2.2
2.0
1.8
1.6
1.4
1.2
1.0
0.8
25
75
1777 G10
–25
0
50
100
125
CLAMP
VOLTAGE
SWITCHING
THRESHOLD
FB PIN VOLTAGE (V)
1.0
100
50
0
–50
–100
–150
1.4
1777 G11
1.1
1.2
1.3
1.5
25
°C
125
°C
–55
°C
TEMPERATURE (
°C)
–50
750
700
650
600
550
500
450
400
25
75
1777 G12
–25
0
50
100
125



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