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SY21052FCC (SY8502FCC)

Production
High Efficiency, 1.2A Continuous, 1.8A Peak, 85V Input Synchronous Step Down Regulator
Datasheet
SY21052FCC High Efficiency, 1.2A Continuous, 1.8A Peak, 85V Input Synchronous Step Down Regulator Datasheet
Part number SY21052FCC
Channel(#) 1
Vin (min) (V) 7
Vin (max) (V) 85
Switching frequency (min)(kHz) 200
Switching frequency (max)(kHz) 500
Vout (min) (V) 1.2
Vout (max) (V) 24
Iout (max) (A) 1.2
Vout2 (min)(V)
Vout2 (max )(V)
Iout2 (max)(A)
Vref accuracy (±%) 2
Vout accuracy(±%)
Control mode COT+Ripple
Duty cycle (max)(%) 75
Operation mode Auto PFM
Iq (typ) (uA) 400
Features Asynchronous
Package SO8E
Operating temperature range(°C) -40 to 125
Functional safety category
  •       Low RDS(ON) for Internal Switches (Top/Bottom): 500mΩ/240mΩ
  •       7-85V Input Voltage Range
  •       1.2A Continuous, 1.8A Peak Output Current Capability
  •       Adjustable Switching Frequency
  •       Instant PWM Architecture to Achieve Fast Transient Responses
  •       Programmable Switching Frequency Range 200~500 kHz.
  •       2ms Internal Soft-start Limits the Inrush Current
  •       Precise ±2% 1.2V Reference
  •       RoHS Compliant and Halogen Free
  •       Compact  package : SO8E

Evaluation Board

  • 21052-1

    Photo of evaluation board

  • 21052-2

    Photo of evaluation board

  • 21052-3

    Photo of evaluation board

EVB_SY21052FCC

The EVB_SY21052FCC is intended for evaluating 1.2A continuous, 1.8A peak current and 85V maximum input voltage synchronous step down regulator.

Technical Documentation

Title Date
Silergy_Catalog_Q2_2026 2026-06-12
SO8E 2022-05-20