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
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TPS54040-Q1
SLVSA26C – JANUARY 2010 – REVISED AUGUST 2011
Figure 55. Output Ripple, PSM
Figure 57. Input Ripple DCM
100
90
80
70
60
Vin = 24 V
Vin = 34 V
50
Vin = 42 V
40
30
20
10
0
0
0.02
0.04
0.06
I - Output Current - A
O
Figure 59. Light Load Efficiency
36
Figure 56. Input Ripple CCM
100
90
80
70
60
V = 42
IN
50
40
30
20
10
0
0
0.05
Figure 58. Efficiency vs Load Current
60
40
20
Vin = 12 V
Vin = 15 V
0
-20
-40
V
= 5.0 V
OUT
-60
0.08
0.10
100
Figure 60. Overall Loop Frequency Response
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V = 12 V
V = 15 V
IN
V = 24 V
IN
IN
V = 34 V
IN
V
= 5.0 V
OUT
0.10
0.15
0.20
0.25
0.30
0.35
0.40
0.45
0.50
I - Output Current - A
O
Phase
Gain
3
4
5
1-10
1-10
1-10
1-10
f - Frequency - Hz
Copyright © 2010–2011, Texas Instruments Incorporated
180
150
120
90
60
30
0
-30
-60
-90
-120
-150
-180
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