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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TPS54040-Q1
SLVSA26C – JANUARY 2010 – REVISED AUGUST 2011
TYPICAL CHARACTERISTICS (continued)
PWRGD ON RESISTANCE vs JUNCTION TEMPERATURE
100
V = 12 V
I
80
60
40
20
0
-50
0
25
50
75
-25
T - Junction Temperature - °C
J
Figure 19.
BOOT-PH UVLO vs JUNCTION TEMPERATURE
2.5
2.3
2
1.8
1.5
-50
-25
0
25
50
75
T - Junction Temperature - °C
J
Figure 21.
SS/TR TO VSENSE OFFSET vs VSENSE
500
V = 12 V,
I
o
T = 25 C
J
400
300
200
100
0
0
100
200
300
400
500
VSENSE - mV
Figure 23.
10
PWRGD THRESHOLD vs JUNCTION TEMPERATURE
115
V = 12 V
I
110
105
100
VSENSE Rising
95
90
85
-50
-25
125
100
150
INPUT VOLTAGE (UVLO) vs JUNCTION TEMPERATURE
3
2.75
2.50
2.25
2
-50
-25
100
125
150
SS/TR TO VSENSE OFFSET vs TEMPERATURE
60
V
= 0.2 V
(SS/TR)
V = 12 V
I
55
50
45
40
35
30
-50
-25
600
700
800
Copyright © 2010–2011, Texas Instruments Incorporated
www.ti.com
VSENSE Rising
VSENSE Falling
VSENSE Falling
0
25
50
75
100
125
150
T - Junction Temperature - °C
J
Figure 20.
0
25
50
75
100
125
150
T - Junction Temperature - °C
J
Figure 22.
0
25
50
75
100
125
150
T - Junction Temperature - °C
J
Figure 24.