Datasheet

LTC1871-7
5
18717fd
Typical perForMance characTerisTics
Shutdown Mode I
Q
vs V
IN
Shutdown Mode I
Q
vs Temperature
Burst Mode I
Q
vs V
IN
Burst Mode I
Q
vs Temperature Dynamic I
Q
vs Frequency
Gate Drive Rise and
Fall Time vs C
L
RUN Thresholds vs V
IN
RUN Thresholds vs Temperature R
T
vs Frequency
V
IN
(V)
0
0
SHUTDOWN MODE I
Q
(µA)
10
20
10 20
30
40
18717 G04
30
TEMPERATURE (°C)
–50
0
SHUTDOWN MODE I
Q
(µA)
5
10
15
20
–25 0 25 50
18717 G05
75 100 125 150
V
IN
= 8V
V
IN
(V)
0
0
BURST MODE I
Q
(µA)
100
200
300
400
600
10 20
18717 G06
30 40
500
TEMPERATURE (°C)
–50
0
Burst Mode I
Q
(µA)
200
500
0
50
75
18717 G07
100
400
300
–25 25
100
125
150
FREQUENCY (kHz)
0
0
I
Q
(mA)
2
6
8
10
800
18
18717 G08
4
400 1200
600
200 1000
12
14
16
C
L
= 3300pF
I
Q(TOT)
= 600µA + Qg • f
C
L
(pF)
0
0
TIME (ns)
10
20
30
40
60
2000
4000 6000 8000
18717 G09
10000 12000
50
RISE TIME
FALL TIME
V
IN
(V)
0
1.2
RUN THRESHOLDS (V)
1.3
1.4
10 20
30
40
18717 G10
1.5
TEMPERATURE (°C)
–50
RUN THRESHOLDS (V)
1.30
1.35
150
18717 G11
1.25
1.20
0
50
100
–25
25
75
125
1.40
FREQUENCY (kHz)
100
R
T
(kΩ)
300
1000
18717 G12
10
100
200 1000
900
800700600
500
400
0