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TPS62480RNCT Datasheet(PDF) 1 Page - Texas Instruments

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Part # TPS62480RNCT
Description  2-Phase Step-Down Converter
Download  36 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

TPS62480RNCT Datasheet(HTML) 1 Page - Texas Instruments

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TPS62480
SW1
SW2
VO
FB
RS
SS/TR
AGND
PGND
VIN1
VIN2
EN
MODE
VSEL
TG
PG
470nH
470nH
2.4 to 5.5 V
VOUT/6A
R2
R1
4 x
22uF
22uF
R3
3.3nF
22uF
Product
Folder
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Technical
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An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.
TPS62480
SLVSCL9A – FEBRUARY 2016 – REVISED FEBRUARY 2016
TPS62480 2.4-V to 5.5-V, 6-A, 2-Phase Step-Down Converter
1
1 Features
1
Dual Phase Current Mode Topology
Input Voltage Range 2.4 to 5.5 V
Output Voltage Range 0.6 to 5.5 V
Output Current of 6 A
Typical Quiescent Current of 23 µA
Feedback Voltage Accuracy of ±1% (PWM Mode)
Output Voltage Select
Phase Shifted Operation
Automatic Power Save Modes
Forced PWM Mode
Adjustable Soft Start
Power Good / Thermal Good Outputs
Undervoltage Lockout
Overcurrent and Short-Circuit Protection
Overtemperature Protection
3 × 2.5 mm HotRod™ Package
2 Applications
Low Profile Point-of-Load Supply
Solid State Drives
Ultra Portable/Tablet/Embedded PC
Optical Modules, CMOS Cameras
Wireless Modules, Network Cards
3 Description
The TPS62480 is a synchronous 2-phase step-down
DC-DC converter for low profile point-of-load power
supplies. The input voltage range of 2.4 to 5.5 V
enables operation from typical 3.3-V or 5-V interface
supplies as well as from backup circuits dropping
down as low as 2.4 V. The output current is up to 6 A
continuously provided by two phases of 3 A each,
allowing the use of low-profile external components.
Both the rails are running out of phase, reducing
pulse current noise significantly.
The TPS62480 provides an automatically entered
power save mode to maintain high efficiency down to
very light loads. This incorporates an automatic
phase adding and shedding feature using both or
only one phase according to the actual load.
The device features a Power Good signal and an
adjustable soft start. Also, the device features a
Thermal Good signal to detect excessive internal
temperature. The output voltage can be changed to a
preselected value by VSEL pin. TPS62480 is able to
operate in 100% duty cycle mode.
The TPS62480 is packaged in a small 3 × 2.5 mm
HotRod™ package (RNC).
Device Information(1)
PART NUMBER
PACKAGE
BODY SIZE (NOM)
TPS62480
VQFN (16)
3.00 × 2.50 mm
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
space
Typical Application Schematic
Efficiency vs Output Current
space


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