LT1777C View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
'LT1777C' PDF : 24 Pages View PDF
TYPICAL PERFOR A CE CHARACTERISTICS
LT1777
Switching Frequency
vs Temperature
106
104
102
100
98
96
94
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
1777 G07
Output dI/dt Sense Voltage
vs Temperature
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
1777 G09
Feedback Amplifier Output
Current vs FB Pin Voltage
100
25°C
125°C
50
–55°C
0
–50
–100
–150
1.0
1.1 1.2 1.3 1.4 1.5
FB PIN VOLTAGE (V)
1777 G11
Minimum Synchronization
Voltage vs Temperature
2.25
2.00
1.75
1.50
1.25
1.00
0.75
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
1777 G08
VC Pin Switching Threshold,
Clamp Voltage vs Temperature
2.2
2.0
1.8
CLAMP
1.6
VOLTAGE
1.4
1.2
SWITCHING
THRESHOLD
1.0
0.8
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
1777 G10
Error Amplifier Transconductance
vs Temperature
750
700
650
600
550
500
450
400
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
1777 G12
5
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