TPS40007

Name: TPS40007
Brand: TI
SKU: TPS40007
Price: 0.941 USD

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Controlador reductor síncrono de 2.25 V-5.5 V, 300 kHz, fuente/disipador, funcionamiento de prepolar

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Hoja de datos

document-pdfAcrobat LOW INPUT BUCK CONTROLLER, TPS40007/9 datasheet (Rev. B) (Inglés)

TPS40007

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Detalles del producto

Rating

Catalog

Iout (max) (A)

15

Vin (max) (V)

5.5

Vin (min) (V)

2.25

Vout (max) (V)

4

Vout (min) (V)

0.7

Control mode

Voltage mode

Features

Enable pin, Synchronous Rectification

Duty cycle (max) (%)

94

Iq (typ) (A)

0.0015

Number of phases

1

Operating temperature range (°C)

-40 to 85

Rating

Catalog

Iout (max) (A)

15

Vin (max) (V)

5.5

Vin (min) (V)

2.25

Vout (max) (V)

4

Vout (min) (V)

0.7

Control mode

Voltage mode

Features

Enable pin, Synchronous Rectification

Duty cycle (max) (%)

94

Iq (typ) (A)

0.0015

Number of phases

1

Operating temperature range (°C)

-40 to 85

HVSSOP (DGQ)

10

14.7 mm² 3 x 4.9

Operating Input Voltage 2.25 V to 5.5 V
Output Voltage as Low as 0.7 V
1% Internal 0.7 V Reference
Predictive Gate Drive™ N-Channel MOSFET Drivers for Higher Efficiency
Externally Adjustable Soft-Start and Overcurrent Limit
Fixed-Frequency Voltage-Mode Control
- TPS40007, 300 kHz
- TPS40009, 600 kHz
Source/Sink with V_OUT Prebias
10-Lead MSOP PowerPad™ Package for Higher Performance
Thermal Shutdown
Internal Boostrap Diode
APPLICATIONS
- Networking Equipment
- Telecom Equipment
- Base Stations
- Servers
- DSP Power
- Power Modules

PowerPAD and Predictive Gate Drive are trademarks of Texas Instruments Incorporated.

Operating Input Voltage 2.25 V to 5.5 V
Output Voltage as Low as 0.7 V
1% Internal 0.7 V Reference
Predictive Gate Drive™ N-Channel MOSFET Drivers for Higher Efficiency
Externally Adjustable Soft-Start and Overcurrent Limit
Fixed-Frequency Voltage-Mode Control
- TPS40007, 300 kHz
- TPS40009, 600 kHz
Source/Sink with V_OUT Prebias
10-Lead MSOP PowerPad™ Package for Higher Performance
Thermal Shutdown
Internal Boostrap Diode
APPLICATIONS
- Networking Equipment
- Telecom Equipment
- Base Stations
- Servers
- DSP Power
- Power Modules

PowerPAD and Predictive Gate Drive are trademarks of Texas Instruments Incorporated.

The TPS4000x are controllers for low-voltage, non-isolated synchronous buck regulators. These controllers drive an N-channel MOSFET for the primary buck switch, and an N-channel MOSFET for the synchronous rectifier switch, thereby achieving very high-efficiency power conversion. In addition, the device controls the delays from main switch off to rectifier turn-on and from rectifier turn-off to main switch turn-on in such a way as to minimize diode losses (both conduction and recovery) in the synchronous rectifier with TI’s proprietary Predictive Gate Drive™ technology. The reduction in these losses is significant and increases efficiency. For a given converter power level, smaller FETs can be used, or heat sinking can be reduced or even eliminated.

The current-limit threshold is adjustable with a single resistor connected to the device. The TPS4000x controllers implement a closed-loop soft start function. Startup ramp time is set by a single external capacitor connected to the SS/SD pin. The SS/SD pin is also used for shutdown.

The TPS4000x are controllers for low-voltage, non-isolated synchronous buck regulators. These controllers drive an N-channel MOSFET for the primary buck switch, and an N-channel MOSFET for the synchronous rectifier switch, thereby achieving very high-efficiency power conversion. In addition, the device controls the delays from main switch off to rectifier turn-on and from rectifier turn-off to main switch turn-on in such a way as to minimize diode losses (both conduction and recovery) in the synchronous rectifier with TI’s proprietary Predictive Gate Drive™ technology. The reduction in these losses is significant and increases efficiency. For a given converter power level, smaller FETs can be used, or heat sinking can be reduced or even eliminated.

The current-limit threshold is adjustable with a single resistor connected to the device. The TPS4000x controllers implement a closed-loop soft start function. Startup ramp time is set by a single external capacitor connected to the SS/SD pin. The SS/SD pin is also used for shutdown.

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Documentación técnica

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=Principal documentación para este producto seleccionada por TI

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Documentación principal	Tipo	Título	Fecha
*	Data sheet	LOW INPUT BUCK CONTROLLER, TPS40007/9 datasheet (Rev. B)	08 feb 2005
	Selection guide	Power Management Guide 2018 (Rev. R)	25 jun 2018
	Selection guide	DC/DC Buck Controller Solutions Selection Guide	06 feb 2018
	Application note	Demystifying Type II and Type III Compensators Using Op-Amp and OTA for DC/DC Co	11 jul 2014
	EVM User's guide	Using the TPS40007	03 mar 2004

Diseño y desarrollo

Para conocer los términos adicionales o los recursos necesarios, haga clic en cualquier título de abajo para ver la página de detalles cuando esté disponible.

Placa de evaluación

TPS40007EVM-001 — Módulo de evaluación TPS40007EVM-001

The TPS40007 is a voltage-mode, synchronous buck PWM controller that uses TI's proprietary Predictive Gate Drive™ technology to wring maximum efficiency from step-down converters. This controller provides a bootstrap circuit to allow the use of an N-channel MOSFET as the topside buck switch (...)

Guía del usuario: PDF

No disponible en TI.com

Placa de evaluación

TPS40009EVM-001 — Módulo de evaluación TPS40009EVM-001

The TPS40009 is a voltage-mode, synchronous buck PWM controller that uses TI's proprietary Predictive Gate Drive™ technology to wring maximum efficiency from step-down converters. This controller provides a bootstrap charging circuit to allow the use of an N-channel MOSFET as the topside buck (...)

Guía del usuario: PDF