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)
EA TRANSCONDUCTANCE DURING SLOW START vs
JUNCTION TEMPERATURE
40
V = 12 V
I
30
20
10
-50
-25
0
25
50
75
T - Junction Temperature - °C
J
Figure 7.
EN PIN VOLTAGE vs JUNCTION TEMPERATURE
1.40
V = 12 V
I
1.30
1.20
1.10
-25
0
25
50
-50
T - Junction Temperature - °C
J
Figure 9.
EN PIN CURRENT vs JUNCTION TEMPERATURE
-0.8
V = 12 V,
I
V
= Threshold -50 mV
I(EN)
-0.85
-0.9
-0.95
-1
25
0
50
75
-50
-25
T - Junction Temperature - °C
J
Figure 11.
8
EA TRANSCONDUCTANCE vs JUNCTION TEMPERATURE
150
130
110
90
70
50
-50
100
125
150
EN PIN CURRENT vs JUNCTION TEMPERATURE
-3.25
V = 12 V,
I
V
I(EN)
-3.5
-3.75
-4
-4.25
75
100
150
-50
125
SS/TR CHARGE CURRENT vs JUNCTION TEMPERATURE
-1
V = 12 V
I
-1.5
-2
-2.5
-3
150
125
100
-50
www.ti.com
V = 12 V
I
-25
0
25
50
75
100
125
T - Junction Temperature - °C
J
Figure 8.
= Threshold +50 mV
-25
0
25
50
75
100
125
T - Junction Temperature - °C
J
Figure 10.
-25
0
25
50
75
100
125
T - Junction Temperature - °C
J
Figure 12.
Copyright © 2010–2011, Texas Instruments Incorporated
150
150
150