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Texas Instruments TPS40003 manual Test Results/Performance Data, The test setup is shown in figure

Models: TPS40003

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6 Test Results/Performance Data

SLUU130A – September 2002 – Revised February 2003

6 Test Results/Performance Data

The test setup is shown in figure 4

DC Power
Supply	Input wires 18 gauge
	Input wires 18 gauge
	or larger short as feasible
C IN	DVM1
CIN = 470 ∝ F or larger, 6.3 V or higher,	+
CIN = 470 ∝ F or larger, 6.3 V or higher,
low ESR AIEA or OSCON capacitor.	(–) (+)
Place within 2 inches of J1.
J1
TP2	TP1
GND	VIN
	TP3

SCOPE

	SLUP182	TP5
	SLUP182
	GND	VOUT
	TP6	J2	DVM2
	TP6	TP4	DVM2
			(+)
Output wires 18 gauge			(–)
or larger short as feasible
		LOAD
Resistive load: 0.5 Ω , ≥ 5 W	(–)	(+)
Active Load: set for 2.4 A

Figure 4.

TPS40003-Based 5-A Converter in Less Than One Square Inch

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Texas Instruments TPS40003 manual Test Results/Performance Data, The test setup is shown in figure

Contents

User’s Guide User’s GuideTPS40003 Based 5-A Converter in Less Than One Square Inch EVM IMPORTANT NOTICE DYNAMIC WARNINGS AND RESTRICTIONS 5 PowerPAD Packaging 6 Test Results/Performance Data 7 PCB Layout 2 Features1 Introduction Contents 1 Introduction 2 Features 3 Schematic 4 Design ProcedureTPS40003-Based 5-A Converter in Less Than One Square Inch 3 SchematicFigure 1. Application Diagram for the TPS40002/3 SLUU130A - September 2002 - Revised February4.3 Input Capacitor Selection 4 Design Procedure4.1 TPS4000X Family Device Selection 4.2 Inductance Value4.6 Short Circuit Protection 4.4 Output Capacitor Selection4.5 MOSFET Selection R4 R5 4.7 Compensation Design2 p 2 p R10000 4.8 Snubber Component SelectionFigure 3. PowerPAD PCB Layout Guidelines 5 PowerPAD PackagingTPS40003-Based 5-A Converter in Less Than One Square Inch 6 Test Results/Performance DataThe test setup is shown in figure SLUU130A - September 2002 - Revised FebruaryTypical efficiency curves are shown in Figure 5 for an input of 3.3 OUTPUT VOLTAGE RIPPLE 10 mV/div t - Time - 500 ns/div SHORT CIRCUIT OPERATION 2 V/div t - Time - 1 ms/divTRANSIENT RESPONSE 50 mV/div t - Time - 20 ∝ s/div STARTUP WAVEFORM 1 V/div 500 mV/div 500 mV/div t - Time - 200 ∝ s/divTPS40003-Based 5-A Converter in Less Than One Square Inch 7 PCB LayoutSLUU130A - September 2002 - Revised February Reference 8 List of MaterialSLUU130A - September 2002 - Revised February 16 TPS40003-Based 5-A Converter in Less Than One Square InchIMPORTANT NOTICE