TPS28225 Status: ACTIVE

8-Pin High Frequency 4-Amp Sink Synchronous MOSFET Driver

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Datasheet

High Frequency 4-A Sink Synchronous MOSFET Driver (Rev. B) (PDF 1201 KB)
12 Jul 2007

	TPS28225	TPS28226
No. of Outputs	2	2
Driver Configuration	Single	Single
VCC(Min)(V)	4	4
VCC(Max)(V)	8.8	8.8
Peak Output Current(A)	6	6
Rise Time(ns)	10	10
Fall Time(ns)	5	5
Prop Delay(ns)	14	14
Input Threshold	Self Adjustable in 3V-13V range	Self Adjustable in 3V-13V range
Pin/Package	8SOIC, 8SON	8SOIC, 8SON
Rating	Catalog	Catalog
	Samples	Samples
	Inventory	Inventory

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Product Information

Features

Drives Two N-Channel MOSFETs with 14-ns Adaptive Dead Time
Wide Gate Drive Voltage: 4.5 V Up to 8.8 V With Best Efficiency at 7 V to 8 V
Wide Power System Train Input Voltage: 3 V Up to 27 V
Wide Input PWM Signals: 2.0 V up to 13.2-V Amplitude
Capable Drive MOSFETs with ≥40-A Current per Phase
High Frequency Operation: 14-ns Propagation Delay and 10-ns Rise/Fall Time Allow F_SW - 2 MHz
Capable Propagate <30-ns Input PWM Pulses
Low-Side Driver Sink On-Resistance (0.4 ) Prevents dV/dT Related Shoot-Through Current
3-State PWM Input for Power Stage Shutdown
Space Saving Enable (input) and Power Good (output) Signals on Same Pin
Thermal Shutdown
UVLO Protection
Internal Bootstrap Diode
Economical SOIC-8 and Thermally Enhanced 3-mm x 3-mm DFN-8 Packages
High Performance Replacement for Popular 3-State Input Drivers
APPLICATIONS
- Multi-Phase DC-to-DC Converters with Analog or Digital Control
- Desktop and Server VRMs and EVRDs
- Portable/Notebook Regulators
- Synchronous Rectification for Isolated Power Supplies

View All Features in Datasheet

Description

The TPS28225 and TPS28226 are high-speed drivers for N-channel complimentary driven power MOSFETs with adaptive dead-time control. These drivers are optimized for use in variety of high-current one and multi-phase dc-to-dc converters. The TPS28225/6 is a solution that provides highly efficient, small size low EMI emmissions.

The performance is achieved by up to 8.8-V gate drive voltage, 14-ns adaptive dead-time control, 14-ns propagation delays and high-current 2-A source and 4-A sink drive capability. The 0.4- impedance for the lower gate driver holds the gate of power MOSFET below its threshold and ensures no shoot-through current at high dV/dt phase node transitions. The bootstrap capacitor charged by an internal diode allows use of N-channel MOSFETs in half-bridge configuration.

View All Description in Datasheet

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	Footprints	Samples
TPS28225D	ACTIVE	-40 to 125	0.65 \| 1ku	SOIC (D) \| 8	View	75 \| TUBE
TPS28225DG4	ACTIVE	-40 to 125	0.65 \| 1ku	SOIC (D) \| 8	View	75 \| TUBE
TPS28225DR	ACTIVE	-40 to 125	0.60 \| 1ku	SOIC (D) \| 8	View	2500 \| LARGE T&R	Purchase Samples
TPS28225DRBR	ACTIVE	-40 to 125	0.60 \| 1ku	SON (DRB) \| 8	View	3000 \| LARGE T&R		Purchase Samples
TPS28225DRBRG4	ACTIVE	-40 to 125	0.60 \| 1ku	SON (DRB) \| 8	View	3000 \| LARGE T&R		Purchase Samples
TPS28225DRBT	ACTIVE	-40 to 125	0.60 \| 1ku	SON (DRB) \| 8	View	250 \| SMALL T&R
TPS28225DRBTG4	ACTIVE	-40 to 125	0.60 \| 1ku	SON (DRB) \| 8	View	250 \| SMALL T&R
TPS28225DRG4	ACTIVE	-40 to 125	0.60 \| 1ku	SOIC (D) \| 8	View	2500 \| LARGE T&R	Purchase Samples

* 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 10:16 AM GMT, 20 Nov 2009
Region	Company	In Stock	Purchase
TI Lead Time*: 20 WeeksTPS28225D
Americas	Avnet	291
	Newark	394
	Rochester Electronics	680
Asia	Farnell Asia	227
Asia	WPI	103
Europe	Compel	220
Europe	Farnell	202
Worldwide	Mouser Electronics	442
TI Lead Time*: 20 WeeksTPS28225DG4
Europe	EBV Elektronik	150
TI Lead Time*: 20 WeeksTPS28225DR
None Reported View Distributors
TI Lead Time*: 16 WeeksTPS28225DRBR
Worldwide	DigiKey	Available
TI Lead Time*: 16 WeeksTPS28225DRBRG4
Worldwide	DigiKey	Available
TI Lead Time*: 16 WeeksTPS28225DRBT
Americas	Newark	304
Asia	WPI	163
Worldwide	DigiKey	170
Worldwide	Mouser Electronics	500
TI Lead Time*: 16 WeeksTPS28225DRBTG4
Worldwide	DigiKey	Available
TI Lead Time*: 20 WeeksTPS28225DRG4
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
TPS28225D	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	View	View
TPS28225DG4	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	View	View
TPS28225DR	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	View	View
TPS28225DRBR	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-2-260C-1 YEAR	View	View
TPS28225DRBRG4	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-2-260C-1 YEAR	View	View
TPS28225DRBT	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-2-260C-1 YEAR	View	View
TPS28225DRBTG4	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-2-260C-1 YEAR	View	View
TPS28225DRG4	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	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 TPS28225

Datasheet

High Frequency 4-A Sink Synchronous MOSFET Driver (Rev. B) (PDF, 1201 KB)
12 Jul 2007

More Literature

Power Loss Calculation for Sync Buck Converter (PDF, 80 KB) 1557 views
14 Feb 2007

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TPS28225 Status: ACTIVE

8-Pin High Frequency 4-Amp Sink Synchronous MOSFET Driver

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