LT8697
Typical perForMance characTerisTics
6
5
4
V
USB5V
(V)
I
TR/SS
(µA)
3
2
1
0
T
A
= 25°C, unless otherwise noted.
PG High Thresholds
11.0
PG THRESHOLD OFFSET FROM V
USB5V
(%)
10.5
10.0
9.5
9.0
8.5
8.0
7.5
7.0
6.5
6.0
–55
–25
35
65
95
5
TEMPERATURE (°C)
125
155
USB5V FALLING
USB5V RISING
V
USB5V
vs V
TR/SS
2.2
2.1
2.0
1.9
1.8
1.7
1.6
1.5
I
TR/SS
vs Temperature
V
TR/SS
= 0.5V
0
0.2
0.4
0.6
V
TR/SS
(V)
0.8
1.0
1.2
8697 G25
1.4
–55
–25
5
35
65
95
TEMPERATURE (°C)
125
155
8697 G26
8697 G27
PG Low Thresholds
–8.0
PG THRESHOLD OFFSET FROM V
USB5V
(%)
–8.5
–9.0
–9.5
–10.0
–10.5
–11.0
–11.5
–12.0
–12.5
–13.0
–55
–25
35
65
95
5
TEMPERATURE (°C)
125
155
7
12
USB5V RISING
11
USB5V FALLING
I
SYS
(mA)
13
I
SYS
vs V
IN
f
SW
= 2MHz
12
10
I
SYS
vs Switching Frequency
V
IN
= 24V
8
I
SYS
(mA)
V
IN
= 12V
6
4
2
0
10
9
8
5
10
15
20
25 30
V
IN
(V)
35
40
45
0
0.5
1
1.5
2
SWITCHING FREQUENCY (MHz)
2.5
8697 G30
8697 G28
8697 G29
Transient Response
0A to 1A Load Step
5.50
FRONT PAGE
APPLICATION CIRCUIT
5
5.50
Transient Response
1A to 2A Load Step
5
V
OUT
5.25
VOLTAGE (V)
V
OUT
V
LOAD
4
CURRENT (A)
VOLTAGE (V)
5.25
4
CURRENT (A)
5.00
3
5.00
V
LOAD
4.75
I
LOAD
25mA/µs
4.50
FRONT PAGE
APPLICATION CIRCUIT
100µs/DIV
8697 G32
3
4.75
4.50
I
LOAD
25mA/µs
2
1
2
1
4.25
100µs/DIV
0
8697 G31
4.25
0
8697p
For more information
7
LINEAR_DIMENSIONS [ LINEAR DIMENSIONS SEMICONDUCTOR ]
