LTC3714 Linear, LTC3714 Datasheet - Page 6

• Manufacturer Part Number: LTC3714
• Description: Wide Operating Range / Step-Down Controller with Internal Op Amp
• Manufacturer: Linear

LTC3714
TYPICAL PERFOR A CE CHARACTERISTICS
6
300
250
200
150
100
10k
100
10
50
1k
0
0.5
1
On-Time vs I
Maximum Current Sense
Threshold vs V
0.75
0.59
0.62
0.61
0.60
0.58
V
1.0
I
–50
ON
RNG
Feedback Reference Voltage
vs Temperature
ON
CURRENT ( A)
VOLTAGE (V)
RNG
–25
1.25
Current
10
Voltage
0
TEMPERATURE ( C)
1.5
25
W
V
VON
1.75
3714 G10
= 0V
3714 G20
50
U
100
2.0
75
100
3714 G12
1000
150
125
100
800
400
600
200
75
50
25
125
0
0
1.5
0
Maximum Current Sense
Threshold vs RUN/SS Voltage
On-Time vs V
V
I
RNG
ION
= 30 A
= 1V
2
RUN/SS VOLTAGE (V)
V
1
ON
ON
VOLTAGE (V)
2.5
Voltage
2
3
3714 G23
3714 G21
2.0
1.8
1.6
1.4
1.2
1.0
3.5
–50 –25
3
Error Amplifier g
130
100
150
140
120
110
300
250
200
150
100
0
TEMPERATURE ( C)
50
0
–50
–50 –25
On-Time vs Temperature
Maximum Current Sense
Threshold vs Temperature
V
I
V
25
ION
RNG
VON
–25
= 30 A
m
= 0V
= 1V
50
vs Temperature
0
0
TEMPERATURE ( C)
TEMPERATURE ( C)
75
25
25
100
3714 G13
50
50
125
75
75
100
100
3714 G11
3714 G22
3714f
125
125