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MP1657GTF-Z

2A buck converter, 4.5-16V, 800kHz, SOT-563-6, 190uA Iq, POL regulator

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Pieza del fabricante：

MP1657GTF-Z

Paquete：

SOT-563-6 (1.60 x 1.60 x 0.55 mm)

Marca：
Categorías de productos：
Compromiso de calidad
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Descripción

Productos

The MP1657GTF-Z from Monolithic Power Systems (MPS) is a 16V, 2A, 800kHz synchronous step-down converter in a SOT-563-6 package. With integrated power MOSFETs and 190uA quiescent current, it provides a compact and efficient point-of-load regulator solution.

Especificaciones

Input Voltage 4.5 V to 16 V
Corriente de salida 2 A
Output Voltage 0.8 V to 10 V (adjustable)
Switching Frequency 800 kHz
Corriente de reposo 190 uA (typ)
Temperatura de funcionamiento -40C to +125C

Características

  • 2A output with integrated MOSFETs in tiny SOT-563-6
  • 800kHz switching for small inductor and capacitor
  • 190uA quiescent current for battery efficiency
  • OCP, SCP, UVP, and thermal shutdown protection
  • Internal soft-start (1.0ms)

Aplicaciones

  • Point-of-load regulation from 5V/12V rails
  • Battery-powered portable devices
  • Networking and telecom equipment
  • Industrial control power supplies

The MP1657GTF-Z from Monolithic Power Systems (MPS) is a 16V, 2A synchronous step-down converter in an ultra-compact SOT-563-6 package. Operating from 4.5V to 16V input, it provides an adjustable output from 0.8V to 10V at up to 2A. The 800kHz switching frequency allows use of small inductors and capacitors, and the 190uA typical quiescent current preserves battery life in portable applications. Integrated power MOSFETs and internal compensation minimize external component count. Protection features include overcurrent protection (OCP), short-circuit protection (SCP), undervoltage protection (UVP), and thermal shutdown with auto-recovery. Internal 1.0ms soft-start prevents inrush current.

The MP1657GTF-Z uses a constant-on-time (COT) control topology. (1) COT Control: A constant on-time controller adjusts the off-time to regulate the output voltage. The on-time is set proportional to VOUT/VIN to maintain approximately 800kHz switching frequency. (2) Power Stage: Integrated high-side and low-side N-channel MOSFETs provide synchronous rectification. The low-side MOSFET operates in discontinuous mode at light loads for high efficiency. (3) Soft-Start: Internal 1.0ms soft-start ramps the reference voltage from 0V to the target, limiting inrush current during startup. (4) Protection: Cycle-by-cycle overcurrent protection limits the peak inductor current. The device enters hiccup mode under sustained short circuit. Thermal shutdown disables the converter at approximately 160C and recovers at 140C.

Pin Nombre Tipo Función
1 BST E/S Bootstrap capacitor for high-side gate
2 GND Suelo Suelo
3 SW Salida Switch node (connect to inductor)
4 VIN Potencia Input supply (4.5-16V)
5 ES Entrada Enable (pull high to enable)
6 FB Entrada Feedback voltage (0.8V reference)
  • Point-of-load regulation from 5V or 12V rails in SOT-563-6 footprint
  • Battery-powered portable devices with 190uA quiescent current
  • Networking and telecom equipment POL converters at 800kHz
  • Industrial control power supplies with OCP/SCP/thermal protection
Fabricante Número de pieza Paquete Notas
MPS MP1654GTF-Z SOT-563-6 1A version, same family
TI TPS562201DDCR SOT-23-6 2A, 17V, similar class
Richtek RT6216FHN SOT-23-6 2A, 18V, similar
Laboratorios Silicon SiP32101 QFN-6 2A, 16V, similar
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