IC STEP-DOWN SWIFT CONV 10-MSOP

TPS54040DGQ

Manufacturer Part NumberTPS54040DGQ
DescriptionIC STEP-DOWN SWIFT CONV 10-MSOP
ManufacturerTexas Instruments
SeriesSWIFT™, Eco-Mode™
TypeStep-Down (Buck)
TPS54040DGQ datasheet
 


Specifications of TPS54040DGQ

Internal Switch(s)YesSynchronous RectifierNo
Number Of Outputs1Voltage - Output0.8 ~ 39 V
Current - Output500mAFrequency - Switching100kHz ~ 2.5MHz
Voltage - Input3.5 ~ 42 VOperating Temperature-40°C ~ 150°C
Mounting TypeSurface MountPackage / Case10-MSOP Exposed Pad, 10-HMSOP, 10-eMSOP
Mounting StyleSMD/SMTDuty Cycle (max)98 %
Input / Supply Voltage (max)42 VInput / Supply Voltage (min)3.5 V
Maximum Operating Temperature+ 150 CMinimum Operating Temperature- 40 C
Output Current0.5 AOutput Voltage0.8 V to 39 V
Supply Current116 uASwitching Frequency2500 KHz
Dc To Dc Converter TypeStep DownPin Count10
Input Voltage42VSwitching Freq2500KHz
Package TypeHTSSOP EPOutput TypeAdjustable
Switching RegulatorYesMountingSurface Mount
Input Voltage (min)3.5VOperating Temperature ClassificationAutomotive
Lead Free Status / RoHS StatusLead free / RoHS CompliantPower - Output-
Other names296-24228-5  
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TPS54040
SLVS918 – MARCH
2009...................................................................................................................................................................................................
TYPICAL CHARACTERISTICS (continued)
EA TRANSCONDUCTANCE DURING SLOW START vs
JUNCTION TEMPERATURE
40
V = 12 V
I
30
20
10
-50
-25
0
25
50
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
0
25
50
-50
-25
T - Junction Temperature - °C
J
Figure 11.
8
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EA TRANSCONDUCTANCE vs JUNCTION TEMPERATURE
150
130
110
90
70
50
-50
75
100
125
150
EN PIN CURRENT vs JUNCTION TEMPERATURE
-3.25
V = 12 V,
V
-3.5
-3.75
-4
-4.25
75
150
100
-50
125
SS/TR CHARGE CURRENT vs JUNCTION TEMPERATURE
-1
V = 12 V
-1.5
-2
-2.5
-3
150
75
100
125
-50
Product Folder Link(s):
TPS54040
V = 12 V
I
-25
0
25
50
75
100
125
T - Junction Temperature - °C
J
Figure 8.
I
= Threshold +50 mV
I(EN)
-25
0
25
50
75
100
125
T - Junction Temperature - °C
J
Figure 10.
I
-25
0
25
50
75
100
125
T - Junction Temperature - °C
J
Figure 12.
Copyright © 2009, Texas Instruments Incorporated
www.ti.com
150
150
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