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IC manufacturers Ablic

Ablic S-85S0P

Supply Voltage Divided Output, 5.5 V Input, 50 mA Synchronous Step-down switching Regulator with 260 nA Quiescent Current S-85S0P Series

Overview

TopologyBuck Converter
Input voltage4.2-5.5 V
Output 13.9 V / 0 A

Description

The S-85S0P Series introduces own distinctive low power consumption control and COT (Constant On-Time) control, features ultra low current consumption (260 nA quiescent current) and fast transient response, operates at PFM control.The S-85S0P Series realizes high efficiency in a wide range of load current consumption and provides strong support for extended period operation of mobile devices and wearable devices which are equipped with compact batteries.The function of the supply voltage divided output is prepared in the S-85S0P Series. The supply voltage divided output is a function that divides the input voltage (VIN) of the DC-DC converter into VIN/2 or VIN/3 and outputs the voltage. For example, this function makes it possible that the IC connects to a low voltage microcontroller A/D converter directly and the microcontroller monitors a battery voltage.

Features

DC- DC converter block

  • Ultra low current consumption: 260 nA quiescent current
  • Efficiency (when under 100 μA load): 90.5%
  • Fast transient response: COT control
  • Input voltage: 2.2 V to 5.5 V
  • Output voltage: 0.7 V to 2.5 V, in 0.05 V step2.6 V to 3.9 V, in 0.1 V step
  • Output voltage accuracy: ±1.5% (1.0 V ≤ VOUT ≤ 3.9 V)±15 mV (0.7 V ≤ VOUT < 1.0 V)
  • High side power MOS FET on- resistance: 420 mΩ

Typical applications

  • Smart meter
  • Wearable device / Portable game device
  • Wireless sensor network device
  • Healthcare equipment
  • Bluetooth device

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