LT3669 View Datasheet(PDF) - Linear Technology
Part Name
Description
Manufacturer
LT3669 Datasheet PDF : 40 Pages
| |||
TYPICAL PERFORMANCE CHARACTERISTICS
LT3669/LT3669-2
FBOUT Feedback Voltage
810
805
800
795
790
785
780
–50 –25
0 25 50 75 100 125 150
TEMPERATURE (°C)
36692 G01
FBLDO Feedback Voltage
810
805
800
795
790
785
780
–50 –25
0 25 50 75 100 125 150
TEMPERATURE (°C)
36692 G02
EN/UVLO Pin Threshold
1.60
1.55
EN/UVLO RISING
1.50
1.45
EN/UVLO FALLING
1.40
1.35
1.30
–50 –25
0 25 50 75 100 125 150
TEMPERATURE (°C)
36692 G03
L+ Overvoltage Lockout
44.5
44.0
43.5
VL+ RISING
43.0
VL+ FALLING
42.5
42.0
41.5
41.0
–50 –25
0 25 50 75 100 125 150
TEMPERATURE (°C)
36692 G04
L+ Supply Current, VEN/UVLO < 0.4V
1.4 VL+ = 24V
1.2
1.0
0.8
0.6
0.4
0.2
0
–50 –25
0 25 50 75 100 125 150
TEMPERATURE (°C)
36692 G07
L+ Undervoltage Lockout
7.5
7.0
6.5
VL+ RISING
VL+ FALLING
6.0
5.5
5.0
–50 –25
0 25 50 75 100 125 150
TEMPERATURE (°C)
36692 G05
No-Load L+ Supply Current,
VEN/UVLO = VL+
5
4
3
THERMAL SHUTDOWN
2
1 FRONT PAGE APPLICATION
VL+ = 24V
VTXEN = 0V
0
–50 –25 0 25 50 75 100
TEMPERATURE (°C)
125 150
36692 G08
For more information www.linear.com/LT3669
L+ Supply Current, VEN/UVLO < 0.4V
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
0 5 10 15 20 25 30 35 40
VL+ (V)
36692 G06
No-Load L+ Supply Current,
VEN/UVLO = VL+, VTXEN2 = 0V
9
8
VTXEN1 = 5V, VTXD1 = 0V
7
VTXEN1 = 5V, VTXD1 = 5V
6
5
VTXEN1 = 0V
4
3
2
5 10 15 20 25 30 35 40
VL+ (V)
36692 G09
3669fa
7
Share Link: 