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IC-Hersteller Ablic

IC-Hersteller (84)

Ablic S-85M0A

5.6 V Input, 50 mA, Low EMI, Synchronous Step-down Switching Regulator with 260 nA Quiescent Current S-85M0A Series (WLP product)


Eingangsspannung4.3-5.6 V
Ausgang 12.5 V / 0.05 A
Ausgang 23.9 V / 0.05 A


The S-85M0A 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-85M0A 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.In addition, WLP-6L package suitable for high-density mounting is adopted, it contributes to miniaturization of electronic equipment. By using external parts recommended in this datasheet, the occupancy area can be reduced to 1.6 mm × 2.7 mm = 4.3 mm2.Since the S-85M0A Series suppressing EMI emission minimally, allows for high efficiency, it is adequate for applications such as wireless communication, GPS and other noise-affected devices.


  • 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 5.6 V
  • Output voltage: 0.7 V to 2.5 V, in 0.05 V step 2.6 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: 360 mΩ
  • Low side power MOS FET on-resistance: 250 mΩ
  • Soft-start function: 1 ms typ.
  • Under voltage lockout function (UVLO): 1.8 V typ.(detection voltage)
  • Thermal shutdown function: 135°C typ. (detection temperature)
  • Overcurrent protection function: 300 mA (at L = 2.2 μH)
  • Automatic recovery type short-circuit protection function: Hiccup control
  • Discharge shunt function: Unavailable (S-85M0A Series B type) Available (S-85M0A Series C type)
  • Input and output capacitors: Ceramic capacitor compatible
  • Operation temperature range: Ta = −40°C to +85°C
  • Lead-free, halogen-free

Typische Anwendungen

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

Weiterführende Informationen