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TPS6209733RWKT

3A buck, 2.3-6V in, 3.3V fixed out, DCS-Control, VQFN-6 (2x2mm), 17uA Iq

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Pieza del fabricante：

TPS6209733RWKT

Paquete：

VQFN-6 (2.00 x 2.00 x 0.60 mm)

Marca：
Categorías de productos：
Compromiso de calidad
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Descripción

Productos

The TPS6209733RWKT from Texas Instruments is a 3A synchronous step-down converter with 3.3V fixed output in a VQFN-6 (2x2mm) package. Operating from 2.3V to 6V input with DCS-Control topology, it provides high efficiency and fast transient response for portable and battery-powered applications.

Especificaciones

Input Voltage 2.3 V to 6 V
Output Voltage 3.3 V (fixed)
Corriente de salida 3 A
Switching Frequency 2.5 MHz (typical)
Corriente de reposo 17 uA (typical)
Temperatura de funcionamiento -40C to +125C

Características

  • 3A output current in tiny 2x2mm VQFN-6 package
  • 3.3V fixed output eliminates external feedback resistors
  • DCS-Control topology for fast transient response
  • 2.5MHz switching frequency for small inductors
  • 17uA quiescent current in power-save mode
  • 100% duty cycle mode for lowest dropout

Aplicaciones

  • Single-cell Li-Ion to 3.3V regulation
  • Portable instruments and handheld devices
  • USB-powered 3.3V supplies
  • Wearable and IoT device power management

The TPS6209733RWKT from Texas Instruments is a 3A synchronous step-down converter with a fixed 3.3V output in an ultra-compact VQFN-6 (2x2mm) package. The device operates from 2.3V to 6V input, making it ideal for single-cell Li-Ion or USB-powered applications requiring a 3.3V rail. The DCS-Control (Direct Control with Seamless transition) topology provides fast transient response with seamless transition between PWM and power-save modes. The 2.5MHz switching frequency allows use of tiny chip inductors. In power-save mode, the quiescent current is only 17uA typical, preserving battery life. The device supports 100% duty cycle mode for lowest dropout operation when the input voltage approaches the output voltage. The fixed 3.3V output eliminates external feedback resistors, further reducing solution size.

The TPS6209733RWKT uses TI’s DCS-Control topology. (1) DCS-Control: A proprietary control scheme that combines voltage-mode control with a fast output voltage comparator. The comparator provides immediate response to output voltage deviations, while the voltage-mode loop maintains precise DC regulation. (2) PWM Mode: At load currents above the power-save threshold, the device operates in fixed-frequency PWM mode at 2.5MHz, providing low output ripple. (3) Power-Save Mode: At light loads, the device enters PFM (pulse-frequency modulation) mode where single switching pulses are delivered on demand, reducing the effective switching frequency and quiescent current to 17uA. (4) Seamless Transition: The DCS-Control architecture ensures smooth transition between PWM and PFM modes without output voltage dips or overshoots. (5) 100% Duty Cycle: When VIN approaches VOUT, the high-side MOSFET is held on continuously, eliminating switching losses and providing the lowest possible dropout voltage.

Pin Nombre Tipo Función
1 VIN Potencia Input supply (2.3-6V)
2 GND Suelo Suelo
3 ES Entrada Enable (active high)
4 SW Salida Switch node (connect to inductor)
5 VOUT Potencia Regulated 3.3V output
6 PG Salida Power good (open-drain)
  • Single-cell Li-Ion to 3.3V regulation with DCS-Control fast transient
  • Portable instruments and handheld devices with 17uA power-save Iq
  • USB-powered 3.3V supplies with 100% duty cycle dropout mode
  • Wearable and IoT device power management in 2x2mm VQFN-6
Fabricante Número de pieza Paquete Notas
TI TPS6209750RWKR VQFN-6 5.0V output version
TI TPS6209718RWKR VQFN-6 1.8V output version
TI TPS62823DMQR VQFN-6 3A, 1.8-6.5V, similar
Richtek RT6216FHN SOT-23-6 2A, 18V, different range
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Envíos y pagos

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Materialparts is a professional electronic component supplier based in Shenzhen, China, with over 20 years of global trading experience. We integrate component procurement, quality inspection, technical support, customized packaging, and global delivery services to provide one-stop supply chain solutions. Our business covers industrial control, automotive electronics, consumer electronics, medical devices and other industries. We always adhere to genuine sources, stable supply and considerate after-sales service.

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Contact Information

For service consultation or packaging customization, please feel free to contact us:
Email: info@materialparts.com
Tel / WhatsApp: +86 13760382860
Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China
 

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