Datasheet

LT3504
6
3504fa
For more information www.linear.com/LT3504
Typical perForMance characTerisTics
Feedback Voltage Power Good Threshold
Operating Waveforms,
Discontinuous Mode
Operating Waveforms,
Continuous Mode
Switch Beta Minimum On-Time
TEMPERATURE (°C)
–50
BETA
50
125
3504 G20
40
0
–25 25
75
50 100
70
60
45
55
65
0.5A
1A
TEMPERATURE (°C)
–50
ON-TIME (ns)
70
125
3504 G21
50
0
–25 25
75
50 100
120
90
60
80
100
110
TEMPERATURE (°C)
–50
FEEDBACK VOLTAGE (mV)
797
125
3504 G22
795
0
–25 25
75
50 100
805
799
796
798
800
801
802
803
804
TEMPERATURE (°C)
–50
THRESHOLD (mV)
640
125
3504 G23
600
0
–25 25
75
50 100
740
680
620
660
700
720
FALLING
RISING
500ns/DIV
3504 G24
SW1
10V/DIV
SW2
10V/DIV
SW3
10V/DIV
SW4
10V/DIV
I
OUT1,2,3,4
= 40mA
V
OUT1,2,3,4
= 5V
500ns/DIV
3504 G25
SW1
10V/DIV
SW2
10V/DIV
SW3
10V/DIV
SW4
10V/DIV
I
OUT1,2,3,4
= 0.5A
V
OUT1,2,3,4
= 5V
Switch Current Limit
DUTY CYCLE (%)
0
SWITCH CURRENT LIMIT (A)
1.1
100
3504 G19
1.0
20
40
80
60
2.0
1.9
1.4
1.2
1.3
1.5
1.8
1.6
1.7