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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PACKAGE
MSOP
(1) Test board conditions:
A. 3 inches × 3 inches, 2 layers, thickness: 0.062 inch
B. 2-ounce copper traces located on the top and bottom of the PCB
C. 6 (13 mil diameters) THERMAL VIAS LOCATED UNDER THE DEVICE PACKAGE
ELECTRICAL CHARACTERISTICS
T
= –40°C to 150°C, VIN = 3.5 to 42V (unless otherwise noted)
J
PARAMETER
SUPPLY VOLTAGE (VIN PIN)
Operating input voltage
Internal undervoltage lockout
threshold
Shutdown supply current
Operating : nonswitching supply
current
ENABLE AND UVLO (EN PIN)
Enable threshold voltage
Input current
Hysteresis current
VOLTAGE REFERENCE
Voltage reference
HIGH-SIDE MOSFET
On-resistance
ERROR AMPLIFIER
Input current
Error amplifier transconductance (g
Error amplifier transconductance (g
during slow start
Error amplifier dc gain
Error amplifier bandwidth
Error amplifier source/sink
COMP to switch current
transconductance
CURRENT LIMIT
Current limit threshold
THERMAL SHUTDOWN
Thermal shutdown
Copyright © 2009, Texas Instruments Incorporated
PACKAGE DISSIPATION RATINGS
THERMAL IMPEDANCE
JUNCTION TO AMBIENT
TEST CONDITIONS
No voltage hysteresis, rising and falling
EN = 0 V, 25°C, 3.5 V ≤ VIN ≤ 42 V
VSENSE = 0.83 V, VIN = 12 V, 25°C
No voltage hysteresis, rising and falling, 25°C
Enable threshold +50 mV
Enable threshold –50 mV
T
= 25°C
J
VIN = 3.5 V, BOOT-PH = 3 V
VIN = 12 V, BOOT-PH = 6 V
) –2 A < I
< 2 A, V
= 1 V
M
COMP
COMP
–2 A < I
< 2 A, V
= 1 V,
)
COMP
COMP
M
V
= 0.4 V
VSENSE
V
= 0.8 V
VSENSE
V
= 1 V, 100 mV overdrive
(COMP)
VIN = 12 V, T
= 25°C
J
Product Folder Link(s):
TPS54040
TPS54040
SLVS918 – MARCH 2009
(1)
57 °C/W
MIN
TYP
MAX
UNIT
3.5
42
V
2.5
V
1.3
4
116
136
0.9
1.25
1.55
V
–3.8
–0.9
–2.9
0.792
0.8
0.808
V
0.784
0.8
0.816
300
mΩ
200
410
50
nA
97
Mhos
26
Mhos
10,000
V/V
2700
kHz
±7
1.9
A/V
0.6
0.94
A
182
°C
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