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Administración de potencia
Supervisor & reset ICs
Circuitos integrados de restablecimiento y vigilancia

LP3470

NO RECOMENDADO PARA NUEVOS DISEÑOS

IC de restablecimiento activo bajo con retraso programable y umbral de restablecimiento del 1 %.<

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LP3470 no se recomienda para nuevos diseños
Este producto sigue estando disponible para los clientes existentes. Los nuevos diseños deben considerar un producto alternativo.
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Reemplazo con funcionalidad mejorada del dispositivo comparado
LP3470A ACTIVO CI de restablecimiento activo bajo de muy bajo consumo con retraso programable y umbral de restablec This device features improvements including lower IQ (0.3 μA), wider input voltage (10 V) and wider temperature range (-40°C to +125°C).

LP3470

NO RECOMENDADO PARA NUEVOS DISEÑOS
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Detalles del producto

Rating Catalog Number of supplies monitored 1 Threshold voltage 1 (typ) (V) 2.63, 2.75, 2.83, 2.93, 3.08, 3.65, 4, 4.38, 4.63, 5.48 Reset threshold accuracy (%) 1 Iq (typ) (mA) 0.016 Output driver type/reset output Active-low, Open-drain Watchdog timer WDI (s) None Operating temperature range (°C) -40 to 85
Rating Catalog Number of supplies monitored 1 Threshold voltage 1 (typ) (V) 2.63, 2.75, 2.83, 2.93, 3.08, 3.65, 4, 4.38, 4.63, 5.48 Reset threshold accuracy (%) 1 Iq (typ) (mA) 0.016 Output driver type/reset output Active-low, Open-drain Watchdog timer WDI (s) None Operating temperature range (°C) -40 to 85
SOT-23 (DBV) 5 8.12 mm² (2.9 mm × 2.8 mm)
  • 5-Pin SOT-23 Package
  • Open-Drain Reset Output
  • Programmable Reset Time-Out Period Using an
    External Capacitor
  • Immune to Short VCC Transients
  • ±1% Reset Threshold Accuracy Over
    Temperature
  • Low Quiescent Current (16 µA typical)
  • Reset Valid Down to VCC = 0.5 V
  • 5-Pin SOT-23 Package
  • Open-Drain Reset Output
  • Programmable Reset Time-Out Period Using an
    External Capacitor
  • Immune to Short VCC Transients
  • ±1% Reset Threshold Accuracy Over
    Temperature
  • Low Quiescent Current (16 µA typical)
  • Reset Valid Down to VCC = 0.5 V

The LP3470 device is a micropower voltage supervisory circuit designed to monitor voltages within 1% of reset threshold over temperature. It provides maximum adjustability for power-on-reset (POR) and supervisory functions.

The LP3470 asserts a reset signal whenever the VCC supply voltage falls below a reset threshold. The reset time-out period is adjustable using an external capacitor. Reset remains asserted for an interval (programmed by an external capacitor) after VCC has risen above the threshold voltage.

For information on available reset threshold voltage options, see Mechanical, Packaging, and Orderable Information.

The LP3470 device is a micropower voltage supervisory circuit designed to monitor voltages within 1% of reset threshold over temperature. It provides maximum adjustability for power-on-reset (POR) and supervisory functions.

The LP3470 asserts a reset signal whenever the VCC supply voltage falls below a reset threshold. The reset time-out period is adjustable using an external capacitor. Reset remains asserted for an interval (programmed by an external capacitor) after VCC has risen above the threshold voltage.

For information on available reset threshold voltage options, see Mechanical, Packaging, and Orderable Information.
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* Hoja de datos LP3470 Voltage Supervisor With Programmable Delay and 1% Reset Threshold datasheet (Rev. G) PDF | HTML 27/04/2016

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