Datasheet

Programmed Resistance (10
6
/ R
FRS
) − Ω
−1
0
200
400
600
800
1000
1200
0 10 20 30 40 50 60
Switching Frequency − kHz
G008
Ideal
Typical
T
J
-Junction Temperature- °C
70
71
72
73
74
75
76
77
78
79
−40 −20 0 20 40 60 80 100 120
MaximumDutyCycle − %
G009
R
FRS
=17.3k (937kHz)W
R
FRS
=34.6k (484kHz)W
R
FRS
=69.8k (245kHz)W
R
FRS
=21.5k (766kHz)W
R
FRS
=347k (50kHz)W
R
FRS
=26.7k (623kHz)W
6 8 10 12 14 18
V − ControllerBiasVoltage − V
C
0
1500
V BiasCurrent − A
C
m−
16
500
4000
1000
2000
2500
3000
3500
GATE,GAT2open
T =25 C
J
o
960kHz
480kHz
250kHz
100kHz
50kHz
V =0V
CTL
−40 −20 0 20 40 60 80 100 120
T
J
-Junction Temperature- °C
0
100
200
300
400
500
600
SwitchingFrequency − kHz
G007
SwitchingFrequency − kHz
900
800
700
600
1000
1100
1200
R
FRS
=69.8kΩ (245kHz)
R
FRS
=173kΩ (100kHz)
R
FRS
=347kΩ (50kHz)
R
FRS
=34.6kΩ (484kHz)
R
FRS
=17.35kΩ (937kHz)
TPS23754
TPS23754-1
TPS23756
SLVS885G –OCTOBER 2008–REVISED OCTOBER 2013 www.ti.com
TYPICAL CHARACTERISTICS (continued)
'756 CONTROLLER BIAS CURRENT SWITCHING FREQUENCY
vs vs
VOLTAGE TEMPERATURE
Figure 11. Figure 12.
SWITCHING FREQUENCY MAXIMUM DUTY CYCLE
vs vs
PROGRAM CONDUCTANCE TEMPERATURE
Figure 13. Figure 14.
14 Submit Documentation Feedback Copyright © 2008–2013, Texas Instruments Incorporated