The TPS54040 device is a 42-V 0

TPS54040-Q1

Manufacturer Part NumberTPS54040-Q1
DescriptionThe TPS54040 device is a 42-V 0
ManufacturerTexas Instruments
TPS54040-Q1 datasheet
 


Specifications of TPS54040-Q1

Iout(max)(a)0.5Vin(min)(v)3.5
Vin(max)(v)42Vout(min)(v)0.8
Vout(max)(v)39Iq(typ)(ma)0.116
Switching Frequency(max)(khz)2500Switch Current Limit(typ)(a)0.6
TopologyBuck,Inverting Buck-BoostOperating Temperature Range(c)-40 to 125
Pin/package10MSOP-PowerPAD, 10SONDuty Cycle(max)(%)95
Regulated Outputs(#)1  
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ON RESISTANCE vs JUNCTION TEMPERATURE
500
V = 12 V
I
375
BOOT-PH = 3 V
250
BOOT-PH = 6 V
125
0
-50
-25
0
25
50
75
T - Junction Temperature - °C
J
Figure 1.
SWITCH CURRENT LIMIT vs JUNCTION TEMPERATURE
1.1
1
0.9
0.8
0.7
-50
-25
0
25
50
75
T - Junction Temperature - °C
J
Figure 3.
SWITCHING FREQUENCY vs RT/CLK RESISTANCE HIGH
FREQUENCY RANGE
2500
2000
1500
1000
500
0
0
25
50
75
100
RT/CLK - Resistance - kW
Figure 5.
Copyright © 2010–2011, Texas Instruments Incorporated
TYPICAL CHARACTERISTICS
VOLTAGE REFERENCE vs JUNCTION TEMPERATURE
0.816
V = 12 V
0.808
0.800
0.792
0.784
-50
100
125
150
SWITCHING FREQUENCY vs JUNCTION TEMPERATURE
610
V = 12 V,
I
V = 12 V
I
RT = 200 k
600
590
580
570
560
550
100
125
150
-50
SWITCHING FREQUENCY vs RT/CLK RESISTANCE LOW
500
V = 12 V,
I
T = 25°C
J
400
300
200
100
0
125
150
175
200
200
300
TPS54040-Q1
SLVSA26C – JANUARY 2010 – REVISED AUGUST 2011
I
-25
0
25
50
75
100
125
T - Junction Temperature - °C
J
Figure 2.
W
-25
0
25
50
75
100
125
T - Junction Temperature - °C
J
Figure 4.
FREQUENCY RANGE
V = 12 V,
I
T = 25°C
J
400
500
600
700
800
900
1000 1100
RT/CLK - Resistance - kW
Figure 6.
150
150
1200
7