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TPS82084 Datasheet(PDF) 10 Page - Texas Instruments

Part # TPS82084
Description  TPS82084 2-A High Efficiency Step-Down Converter MicroSiP??with Integrated Inductor
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

TPS82084 Datasheet(HTML) 10 Page - Texas Instruments

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TPS82084
2.5 V to 6 V
R1
80.6 k
R2
162 k
V
IN
POWER GOOD
VOUT
FB
VIN
GND
EN
PG
C2
22 µF
R3
499 k
V
OUT
1.2 V/2 A
C1
10 µF
TPS82084
SLVSD11A – JUNE 2015 – REVISED SEPTEMBER 2015
www.ti.com
9 Application and Implementation
NOTE
Information in the following applications sections is not part of the TI component
specification, and TI does not warrant its accuracy or completeness. TI’s customers are
responsible for determining suitability of components for their purposes. Customers should
validate and test their design implementation to confirm system functionality.
9.1 Application Information
The TPS82084 is a synchronous step-down converter power module whose output voltage is adjusted by
component selection. The following section discusses the design of the external components to complete the
power supply design for several input and output voltage options by using typical applications as a reference.
9.2 Typical Applications
Figure 4. 1.2-V Output Application
9.2.1 Design Requirements
For this design example, use the input parameters shown in Table 1.
Table 1. Design Parameters
DESIGN PARAMETER
EXAMPLE VALUE
Input voltage range
2.5 V to 6 V
Output voltage
1.2 V
Output ripple voltage
< 20 mV
Output current rating
2 A
Table 2 lists the components used for the example.
Table 2. List of Components(1)
REFERENCE
DESCRIPTION
MANUFACTURER
C1
1 0µF, Ceramic Capacitor, 10 V, X7R, size 0805, GRM21BR71A106KE51
Murata
22 µF, Ceramic Capacitor, 6.3 V, X7R, size 0805, CL21B226MQQNNNE
Samsung
C2
or
or
22 µF, Ceramic Capacitor, 6.3 V, X7S, size 0805, C2012X7S1A226M125AC
TDK
R1
Depending on the output voltage, 1% accuracy
Std
R2
16 k
Ω, 1% accuracy
Std
R3
499 k
Ω, 1% accuracy
Std
(1)
See Third-Party Products disclaimer
10
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Copyright © 2015, Texas Instruments Incorporated
Product Folder Links: TPS82084


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