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TPS84250 Datasheet(PDF) 10 Page - Texas Instruments

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Part # TPS84250
Description  7-V to 50-V Input, 2.5-A Step-Down, Integrated Power Solution
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

TPS84250 Datasheet(HTML) 10 Page - Texas Instruments

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Output Current (A)
VOUT = 15 V,fSW = 1 MHz
VOUT = 12 V,fSW = 800 kHz
VOUT = 5.0 V,fSW = 500 kHz
VOUT = 3.3 V,fSW = 400 kHz
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Output Current (A)
VO = 5 V
VO = 12 V
VO = 15 V
Natural Convection
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Output Current (A)
VOUT = 15 V,fSW = 1 MHz
VOUT = 12 V,fSW = 800 kHz
VOUT = 5.0 V,fSW = 500 kHz
VOUT = 3.3 V,fSW = 400 kHz
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Output Current (A)
VOUT = 15 V,fSW = 1 MHz
VOUT = 12 V,fSW = 800 kHz
VOUT = 5.0 V,fSW = 500 kHz
VOUT = 3.3 V,fSW = 400 kHz
G000
TPS84250
SLVSAR6 – AUGUST 2012
www.ti.com
TYPICAL CHARACTERISTICS (VIN = 48 V) (1) (2) (3)
Figure 19. Efficiency vs. Output Current
Figure 20. Voltage Ripple vs. Output Current
Figure 21. Power Dissipation vs. Output Current
Figure 22. Safe Operating Area
Figure 23. VOUT= 5 V, IOUT= 2 A, COUT1= 44 µF ceramic,
Figure 24. VOUT= 12 V, IOUT= 2 A, COUT1= 44 µF ceramic,
COUT2= 56 µF electrolytic, fSW= 500 kHz
COUT2= 56 µF electrolytic, fSW= 800 kHz
(1)
The electrical characteristic data has been developed from actual products tested at 25°C. This data is considered typical for the
converter. Applies to Figure 19, Figure 20, and Figure 21.
(2)
At light load the output voltage ripple may increase due to pulse skipping. See Light-Load Behavior for more information. Applies to
Figure 20.
(3)
The temperature derating curves represent the conditions at which internal components are at or below the manufacturer's maximum
operating temperatures. Derating limits apply to devices soldered directly to a 100 mm × 100 mm double-sided PCB with 1 oz. copper.
Applies to Figure 22.
10
Copyright © 2012, Texas Instruments Incorporated


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