TPS54283 Status: ACTIVE

Dual 2A Non-Synchronous Step Down SWIFT™ Converter with Integrated High Side MOSFET, 300 kHz

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Datasheet

2-A DUAL NON-SYNCHRONOUS CONVERTER WITH INTEGRATED HIGH SIDE MOSFET (Rev. C) (PDF 1261 KB)
16 Oct 2007

	TPS54283	TPS54286
Iout(Max)(A)	2	2
Iout2(Max)(A)	2	2
Vin(Min)(V)	4.5	4.5
Vin(Max)(V)	28	28
Vout(Min)(V)	0.8	0.8
Vout(Max)(V)	25.2	25.2
Iq(Typ)(mA)	1.8	1.8
Switching Frequency(Typ)(kHz)	300	600
Switch Current Limit(Typ)(A)	3	3
Topology	Buck	Buck
Operating Temp Range(Celsius)	-40 to 85	-40 to 85
Pin/Package	14HTSSOP	14HTSSOP
Rating	Catalog	Catalog
Duty Cycle(Max)(%)	90	85
Vout2(Min)(V)	0.8	0.8
Vout2(Max)(V)	25.2	25.2
Regulated Outputs(#)	2	2
Thermal Shutdown	Yes	Yes
	Samples	Samples
	Inventory	Inventory

Customers Who Evaluated This Product Also Evaluated

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TPS54140: 3.5V to 42V Input, 1.5 A Step Down SWIFT™ Converter with Eco-Mode (tm)
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Product Information

Features

4.5-V to 28-V Input Range
Output Voltage Range 0.8 V to 90% of Input Voltage
Output Current Up to 2 A
Two Fixed Switching Frequency Versions:
- TPS54283: 300 kHz
- TPS54286: 600 kHz
Two Selectable Levels of Overcurrent Protection (Output 2)
0.8-V 1.5% Voltage Reference
2.1-ms Internal Soft Start
Dual PWM Outputs 180° Out-of-Phase
Ratiometric or Sequential Startup Modes Selectable by a Single Pin
100-m Internal High-Side MOSFETs
Current Mode Control
Internal Compensation (See Page 16)
Pulse-by-Pulse Overcurrent Protection
Thermal Shutdown Protection at 148°C
14-Pin PowerPAD™ HTSSOP package
APPLICATIONS
- Set Top Box
- Digital TV
- Power for DSP
- Consumer Electronics

PowerPAD Is a trademark of Texas Instruments.
All other trademarks are the property of their respective owners.

Description

TPS54283 and TPS54286 are dual output non-synchronous buck converters capable of supporting 2-A output applications that operate from a 4.5-V to 28-V input supply voltage, and require output voltages between 0.8 V and 90% of the input voltage.

With internally-determined operating frequency, soft start time, and control loop compensation, these converters provide many features with a minimum of external components. Channel 1 overcurrent protection is set at 3 A, while Channel 2 overcurrent protection level is selected by connecting a pin to ground, to BP, or left floating. The setting levels are used to allow for scaling of external components for applications not needing the full load capability of both outputs.

The outputs may be enabled independently, or may be configured to allow either ratiometric or sequential startup sequencing. Additionally, the two outputs may also be powered from different sources.

Pricing / Packaging / CAD Design Tools / Samples

			Price	Packaging			CAD Design Tools	Samples
Device	Status	Temp (^oC)	Price \| Quantity	Package \| Pins	Top Side Marking	Package QTY \| Package Carrier	Symbols	Samples
TPS54283PWP	ACTIVE	-40 to 85	2.65 \| 1ku	HTSSOP (PWP) \| 14	View	90 \| TUBE	Purchase Samples
TPS54283PWPG4	ACTIVE	-40 to 85	2.65 \| 1ku	HTSSOP (PWP) \| 14	View	90 \| TUBE	Purchase Samples
TPS54283PWPR	ACTIVE	-40 to 85	2.40 \| 1ku	HTSSOP (PWP) \| 14	View	2000 \| LARGE T&R
TPS54283PWPRG4	ACTIVE	-40 to 85	2.40 \| 1ku	HTSSOP (PWP) \| 14	View	2000 \| LARGE T&R

* Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For higher volume price quotes,prices in local currency or delivery quotes, please contact your local Texas Instruments Sales Office or Authorized Distributor.

Inventory

Reported Distributor Inventory as of 10:04 AM GMT, 06 Nov 2009
Region	Company	In Stock	Purchase
TI Lead Time*: 20 WeeksTPS54283PWP
None Reported View Distributors
TI Lead Time*: 20 WeeksTPS54283PWPG4
None Reported View Distributors
TI Lead Time*: 20 WeeksTPS54283PWPR
None Reported View Distributors
TI Lead Time*: 20 WeeksTPS54283PWPRG4
None Reported View Distributors
View all Distributors

** Lead time information is not available at this time. However, our information is updated daily so please check back with us soon. Please contact your preferred TI Authorized Distributor for additional information.

Quality & Lead (Pb)-Free Data

	Product Content				DPPM / MTBF / FIT Rate
Device	Eco Plan*	Lead / Ball Finish	MSL Rating / Peak Reflow	Details	Details
TPS54283PWP	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-2-260C-1 YEAR	View	View
TPS54283PWPG4	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-2-260C-1 YEAR	View	View
TPS54283PWPR	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-2-260C-1 YEAR	View	View
TPS54283PWPRG4	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-2-260C-1 YEAR	View	View

* The planned eco-friendly classification: Pb-Free (RoHS) or Pb-Free (RoHS Exempt) or Green (RoHS & no Sb/Br) - please click on the Product Content Details "View" link in the table above for the latest availability information and additional product content details.

If the information you are requesting is not available online at this time, contact one of our Product Information Centers regarding the availability of this information.

Technical Documents

Most useful technical documents for TPS54283

Tools & Software

Name	Part #	Company	Tool / Software Type
TPS54383 12V Input, Dual 5V and 3.3V Output, 2A Evaluation Module	TPS54383EVM	Texas Instruments	Development Boards/EVMs

Simulation Models

PSpice Model
- TPS54283 PSpice Average Model (ZIP, 110 KB) 0 views
  21 Oct 2009
TINA-TI Spice Model
- TPS54283 TINA-TI Transient Spice Model (TSM, 25 KB) 10 views
  28 May 2009
TINA-TI Reference Design
- TPS54283 TINA-TI Transient Reference Design (TSC, 1302 KB) 22 views
  28 May 2009
- TPS54283 TINA-TI Average Spice Model (Multiple File Format) 77 views
  12 Dec 2008 Read Abstract
- TPS54283 TINA-TI Average 5V Reference Design (Multiple File Format) 36 views
  12 Dec 2008 Read Abstract
- TPS54283 TINA-TI Average 3.3V Reference Design (Rev. A) (Multiple File Format) 60 views
  12 Dec 2008 Read Abstract

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TPS54283 Status: ACTIVE

Dual 2A Non-Synchronous Step Down SWIFT™ Converter with Integrated High Side MOSFET, 300 kHz

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