Datasheet Texas Instruments LM43603-Q1
| Manufacturer | Texas Instruments |
| Series | LM43603-Q1 |
Automotive Qualified SIMPLE SWITCHERВ® 3.5V to 36V, 3A Synchronous Step-Down Voltage Converter
Datasheets
LM43603-Q1 SIMPLE SWITCHERВ® 3.5-V to 36-V, 3-A Synchronous Step-Down Voltage Converter datasheet
PDF, 1.9 Mb, Revision: B, File published: Apr 21, 2017
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Prices
Status
| LM43603AQPWPRQ1 | LM43603AQPWPTQ1 | LM43603QDSURQ1 | LM43603QDSUTQ1 | LM43603QPWPRQ1 | LM43603QPWPTQ1 | |
|---|---|---|---|---|---|---|
| Lifecycle Status | Active (Recommended for new designs) | Active (Recommended for new designs) | Preview (Device has been announced but is not in production. Samples may or may not be available) | Preview (Device has been announced but is not in production. Samples may or may not be available) | Active (Recommended for new designs) | Active (Recommended for new designs) |
| Manufacture's Sample Availability | Yes | No | No | No | Yes | No |
Packaging
| LM43603AQPWPRQ1 | LM43603AQPWPTQ1 | LM43603QDSURQ1 | LM43603QDSUTQ1 | LM43603QPWPRQ1 | LM43603QPWPTQ1 | |
|---|---|---|---|---|---|---|
| N | 1 | 2 | 3 | 4 | 5 | 6 |
| Pin | 16 | 16 | 16 | 16 | 16 | 16 |
| Package Type | PWP | PWP | DSU | DSU | PWP | PWP |
| Industry STD Term | HTSSOP | HTSSOP | HTSSOP | HTSSOP | ||
| JEDEC Code | R-PDSO-G | R-PDSO-G | R-PDSO-G | R-PDSO-G | ||
| Package QTY | 2000 | 250 | 3000 | 250 | 2000 | 250 |
| Carrier | LARGE T&R | SMALL T&R | LARGE T&R | LARGE T&R | ||
| Device Marking | 43603AQ | 43603AQ | 43603Q1 | 43603Q1 | ||
| Width (mm) | 4.4 | 4.4 | 4 | 4 | 4.4 | 4.4 |
| Length (mm) | 5 | 5 | 5 | 5 | 5 | 5 |
| Thickness (mm) | 1 | 1 | .9 | .9 | 1 | 1 |
| Pitch (mm) | .65 | .65 | .65 | .65 | ||
| Max Height (mm) | 1.2 | 1.2 | 1.2 | 1.2 | ||
| Mechanical Data | Download | Download | Download | Download | Download | Download |
Parametrics
| Parameters / Models | LM43603AQPWPRQ1 | LM43603AQPWPTQ1 | LM43603QDSURQ1 | LM43603QDSUTQ1 | LM43603QPWPRQ1 | LM43603QPWPTQ1 |
|---|---|---|---|---|---|---|
| Approx. Price (US$) | 2.18 | 1ku | 2.18 | 1ku | ||||
| Control Mode | Current Mode | Current Mode | Current Mode | Current Mode | Current Mode | Current Mode |
| Duty Cycle(Max), % | 99 | 99 | 99 | 99 | ||
| Duty Cycle(Max)(%) | 99 | 99 | ||||
| Iout(Max), A | 3 | 3 | 3 | 3 | ||
| Iout(Max)(A) | 3 | 3 | ||||
| Iq(Typ), mA | 0.027 | 0.027 | 0.027 | 0.027 | ||
| Iq(Typ)(mA) | 0.027 | 0.027 | ||||
| Operating Temperature Range, C | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | ||
| Operating Temperature Range(C) | -40 to 125 | -40 to 125 | ||||
| Package Group | HTSSOP | HTSSOP | SON | SON | HTSSOP | HTSSOP |
| Rating | Automotive | Automotive | Automotive | Automotive | Automotive | Automotive |
| Regulated Outputs | 1 | 1 | 1 | 1 | ||
| Regulated Outputs(#) | 1 | 1 | ||||
| Special Features | Enable,Frequency Synchronization,Light Load Efficiency,Power Good,Synchronous Rectification,Tracking | Enable,Frequency Synchronization,Light Load Efficiency,Power Good,Synchronous Rectification,Tracking | Enable Frequency Synchronization Light Load Efficiency Power Good Synchronous Rectification Tracking | Enable Frequency Synchronization Light Load Efficiency Power Good Synchronous Rectification Tracking | Enable,Frequency Synchronization,Light Load Efficiency,Power Good,Synchronous Rectification,Tracking | Enable,Frequency Synchronization,Light Load Efficiency,Power Good,Synchronous Rectification,Tracking |
| Switching Frequency(Max), kHz | 2200 | 2200 | 2200 | 2200 | ||
| Switching Frequency(Max)(kHz) | 2200 | 2200 | ||||
| Switching Frequency(Min), kHz | 200 | 200 | 200 | 200 | ||
| Switching Frequency(Min)(kHz) | 200 | 200 | ||||
| Type | Converter | Converter | Converter | Converter | Converter | Converter |
| Vin(Max), V | 36 | 36 | 36 | 36 | ||
| Vin(Max)(V) | 36 | 36 | ||||
| Vin(Min), V | 3.5 | 3.5 | 3.5 | 3.5 | ||
| Vin(Min)(V) | 3.5 | 3.5 | ||||
| Vout(Max), V | 28 | 28 | 28 | 28 | ||
| Vout(Max)(V) | 28 | 28 | ||||
| Vout(Min), V | 1 | 1 | 1 | 1 | ||
| Vout(Min)(V) | 1 | 1 |
Eco Plan
| LM43603AQPWPRQ1 | LM43603AQPWPTQ1 | LM43603QDSURQ1 | LM43603QDSUTQ1 | LM43603QPWPRQ1 | LM43603QPWPTQ1 | |
|---|---|---|---|---|---|---|
| RoHS | Compliant | Compliant | TBD | TBD | Compliant | Compliant |
| Pb Free | No | No |
Application Notes
- Inverting Applications Made SIMPLE With LM4600x and LM4360x (Rev. B)PDF, 1.9 Mb, Revision: B, File published: Feb 20, 2015
Weoftenrequirepowersourceswithnegativeoutputvoltages.Therearemanydifferentwaystoproduceanegativeoutputvoltagefromapositiveinputvoltage.Oneoptionisapolarity-invertingbuck-boostconverter.Theadvantagesofthistopologyarethatitrequireslowcomponentcountandthatitcanbebuiltwithstandardhigh-sideregulato - Thermal Design Made Simple With LM43603 and LM46002PDF, 535 Kb, File published: Sep 15, 2014
This Application Report will walk through the thermal design of power supplies using the LM43603 and LM46002.In the process we will cover common tips and approximations to speed up your design. - Compensation Made SIMPLE With LM4360x, LM4600xPDF, 457 Kb, File published: Jul 29, 2014
Compensating a DC-DC buck converter is challenging if the designer is not familiar with the loop control theory. To achieve a stable design under all corner and adverse conditions, the user must properly compensate the regulator. While DC-DC converters with external compensation provide flexibility, they increase complexity. The LM43600/1/2/3 and LM46000/1/2 are a family of Wide VIN, fully-synchro - Low EMI Layout Made SIMPLE With LM43600/1/2/3 and LM46000/1/2 (Rev. A)PDF, 512 Kb, Revision: A, File published: Sep 12, 2014
Printed Circuit Board (PCB) layout for Switched Mode Power Supplies (SMPS) is critical to achieve proper converter operation good thermal performance and excellent radiated EMI performance. Optimized board layout for low radiated EMI is made very simple by the package and pin arrangement of the SIMPLE SWITCHER Synchronous Buck Converter family LM4360x and LM4600x - AN-1197 Selecting Inductors for Buck Converters (Rev. B)PDF, 558 Kb, Revision: B, File published: Apr 23, 2013
This application report provides design information to help select an off-the-shelf inductor for anycontinuous-mode buck converter application.
Model Line
Series: LM43603-Q1 (6)
Manufacturer's Classification
- Semiconductors> Power Management> Non-isolated DC/DC Switching Regulator> Step-Down (Buck)> Buck Converter (Integrated Switch)
