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TPSM861252

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Módulo buck síncrono con tensión de entrada de 3 V a 17 V y salida de 1 A en encapsulado cuádruple,

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TPSM861252

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Detalles del producto

Rating Catalog Operating temperature range (°C) -40 to 125 Topology Synchronous Buck Type Module Iout (max) (A) 1 Vin (min) (V) 3 Vin (max) (V) 17 Vout (min) (V) 0.6 Vout (max) (V) 10 Switching frequency (min) (kHz) 1400 Switching frequency (max) (kHz) 1400 Features Enable, Light Load Efficiency, Overcurrent protection, Power good Control mode D-CAP3 Duty cycle (max) (%) 95
Rating Catalog Operating temperature range (°C) -40 to 125 Topology Synchronous Buck Type Module Iout (max) (A) 1 Vin (min) (V) 3 Vin (max) (V) 17 Vout (min) (V) 0.6 Vout (max) (V) 10 Switching frequency (min) (kHz) 1400 Switching frequency (max) (kHz) 1400 Features Enable, Light Load Efficiency, Overcurrent protection, Power good Control mode D-CAP3 Duty cycle (max) (%) 95
QFN-FCMOD (RDX) 7 13.2 mm² 4 x 3.3
  • Configured for a wide range of applications
    • 3V to 17V wide input voltage range
    • Fixed 3.3V output for TPSM861253
    • 0.6V to 10V output range for TPSM861252
    • 0.6V to 5.5V output range for TPSM861257
    • 0.6V reference voltage
    • ±1% for 0.6Vref accuracy at 25°C
    • ±1.5% for 0.6Vref accuracy at –40°C to 125°C
    • ±1% for 3.3Vout accuracy from 0 to 65°C
    • Integrated 55mΩ and 24mΩ MOSFETs
    • 100µA low quiescent current for TPSM861252
    • 1.4MHz switching frequency
    • Maximum 95% large duty cycle operation
    • 1.2V precision EN threshold voltage
    • 1.6ms fixed typical soft-start time
  • Ease of use and small design size
    • TPSM861252 Eco-mode, TPSM861253/7 FCCM mode at light load
    • Fast transient D-CAP3™ control mode
    • Easy layout with integrated inductor and bootstrap capacitor
    • Support start-up with prebiased output voltage
    • Open-drain power-good indicator
    • Non-latch for OV, OT, and UVLO protection
    • Hiccup mode in UV protection
    • Cycle-by-cycle OC and NOC protection
    • –40°C to 125°C operating junction temperature
    • 3.3mm × 4mm × 2mm QFN package
  • Create a custom design using the TPSM86125x with the WEBENCH® Power Designer
  • Configured for a wide range of applications
    • 3V to 17V wide input voltage range
    • Fixed 3.3V output for TPSM861253
    • 0.6V to 10V output range for TPSM861252
    • 0.6V to 5.5V output range for TPSM861257
    • 0.6V reference voltage
    • ±1% for 0.6Vref accuracy at 25°C
    • ±1.5% for 0.6Vref accuracy at –40°C to 125°C
    • ±1% for 3.3Vout accuracy from 0 to 65°C
    • Integrated 55mΩ and 24mΩ MOSFETs
    • 100µA low quiescent current for TPSM861252
    • 1.4MHz switching frequency
    • Maximum 95% large duty cycle operation
    • 1.2V precision EN threshold voltage
    • 1.6ms fixed typical soft-start time
  • Ease of use and small design size
    • TPSM861252 Eco-mode, TPSM861253/7 FCCM mode at light load
    • Fast transient D-CAP3™ control mode
    • Easy layout with integrated inductor and bootstrap capacitor
    • Support start-up with prebiased output voltage
    • Open-drain power-good indicator
    • Non-latch for OV, OT, and UVLO protection
    • Hiccup mode in UV protection
    • Cycle-by-cycle OC and NOC protection
    • –40°C to 125°C operating junction temperature
    • 3.3mm × 4mm × 2mm QFN package
  • Create a custom design using the TPSM86125x with the WEBENCH® Power Designer

The TPSM86125x is a simple, easy-to-use, high-efficiency, high-power density, synchronous buck module with input voltage ranging from 3V to 17V and supports up to 1A continuous current.

The TPSM86125x employs D-CAP3 control mode to provide a fast transient response and to support low-ESR output capacitors with no requirement for external compensation. The device can support up to 95% duty cycle operation.

The TPSM861252 operates in Eco-mode, which maintains high efficiency during light load. The TPSM861257 operates in FCCM mode, which keeps the same frequency and lower output ripple during all load conditions. TPSM861253 is a fixed 3.3V output voltage part with FCCM mode. The device also integrates the divider resistors and a feedforward capacitor inside the module. The TPSM86125x integrates complete protection including OVP, OCP, UVLO, OTP, and UVP with hiccup.

The device is available in QFN package. The junction temperature is specified from –40°C to 125°C.

The TPSM86125x is a simple, easy-to-use, high-efficiency, high-power density, synchronous buck module with input voltage ranging from 3V to 17V and supports up to 1A continuous current.

The TPSM86125x employs D-CAP3 control mode to provide a fast transient response and to support low-ESR output capacitors with no requirement for external compensation. The device can support up to 95% duty cycle operation.

The TPSM861252 operates in Eco-mode, which maintains high efficiency during light load. The TPSM861257 operates in FCCM mode, which keeps the same frequency and lower output ripple during all load conditions. TPSM861253 is a fixed 3.3V output voltage part with FCCM mode. The device also integrates the divider resistors and a feedforward capacitor inside the module. The TPSM86125x integrates complete protection including OVP, OCP, UVLO, OTP, and UVP with hiccup.

The device is available in QFN package. The junction temperature is specified from –40°C to 125°C.
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Documentación técnica

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* Data sheet TPSM86125x 3V to 17V Input, 1A, Synchronous Buck Module in QFN Package datasheet (Rev. B) PDF | HTML 22 mar 2024
EVM User's guide TPSM86125xEVM Step-Down Converter Evaluation Module User's Guide (Rev. A) PDF | HTML 21 feb 2024

Diseño y desarrollo

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Placa de evaluación

TPSM861252EVM — Placa de evaluación TPSM861252 para módulo reductor en modo ECO de 1 A y tensión de entrada de 3 V a

El módulo de evaluación es un módulo convertidor buck síncrono único de modo de control D‐CAP3™ con una tensión de entrada que oscila entre 3 V y 17 V y admite una corriente continua de hasta 1 A. El TPSM861252 funciona en modo Eco. El TPSM861252 tiene una tensión de salida ajustable. El (...)

Guía del usuario: PDF | HTML
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Encapsulado Pines Símbolos CAD, huellas y modelos 3D
QFN-FCMOD (RDX) 7 Ultra Librarian
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  • Clasificación de nivel de sensibilidad a la humedad (MSL) / reflujo máximo
  • Estimaciones de tiempo medio entre fallas (MTBF)/fallas en el tiempo (FIT)
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