lt3579iufd-trpbf Linear Technology Corporation, lt3579iufd-trpbf Datasheet - Page 6

• Manufacturer Part Number: lt3579iufd-trpbf
• Description: Lt3579/lt3579-1 6a Boost/inverting Dc/dc Converter With Fault Protection Features
• Manufacturer: Linear Technology Corporation

LT3579/LT3579-1
TYPICAL PERFORMANCE CHARACTERISTICS
6
1.38
1.36
1.34
1.32
1.28
1.26
1.24
1.22
2.45
2.35
2.25
2.15
50
45
40
35
30
25
20
15
10
1.4
1.3
1.2
2.5
2.4
2.3
2.2
2.1
0
5
–50
–50
0
CLKOUT Rise Time at 1MHz
Active/Lockout Threshold
Internal UVLO
–25
–25
CLKOUT CAPACITIVE LOAD (pF)
CLKOUT RISE TIME
50
SHDN RISING
0
0
TEMPERATURE (°C)
TEMPERATURE (°C)
25
25
100
SHDN FALLING
CLKOUT FALL TIME
50
50
150
75
75
100 125 150
100 125 150
200
35791 G10
35791 G13
35791 G16
250
1000
900
800
700
600
550
400
300
200
100
30
25
20
15
10
22
21
20
19
18
17
16
15
14
13
12
0
5
0
–50
0
0
Gate Pin Current (V
SHDN Pin Current
V
T
IN
T
A
A
0.25
–25
10
= 125°C
OVLO
= –40°C
T
A
0.5
20
0
GATE PIN VOLTAGE (V)
= 25°C
TEMPERATURE (°C)
SHDN VOLTAGE (V)
0.75
30
25
T
A
= 25°C
40
T
50
1
A
= –40°C
SS
1.25 1.5 1.75
50
75
= 2.1V)
T
100 125 150
A
60
= 125°C
70
35791 G14
35791 G11
35791 G17
T
A
= 25°C, unless otherwise noted.
80
2
1000
1.25
0.75
0.25
900
800
700
600
500
400
300
200
100
250
200
150
100
0.5
50
0
0
1
0
–50
0
0
Gate Pin Current (V
SHDN Pin Current
Fault Input Threshold
–25
0.25
5
T
A
10
0
= –40°C
FAULT FALLING
FAULT RISING
TEMPERATURE (°C)
SHDN VOLTAGE (V)
0.5
SS VOLTAGE (V)
15
25
0.75
T
20
50
A
= 25°C
GATE
T
25
75
A
1
= 125°C
= 5V)
100 125 150
30
1.25
35
35791 G12
35791 G15
35791 G18
35791f
1.5
40