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S-8352 - (S-8351 / S-8352) SMALL PACKAGE PFM CONTROL STEP-UP SWITCHING REGULATOR

Download the S-8352 datasheet PDF. This datasheet also covers the S-8351 variant, as both devices belong to the same (s-8351 / s-8352) small package pfm control step-up switching regulator family and are provided as variant models within a single manufacturer datasheet.

General Description

Table 7 S-8352 Series B and C Types (Without shutdown function, VDD / VOUT non-separate type) Pin No.

Key Features

  • s.
  • Low voltage operation : Startup at 0.9 V min. (IOUT = 1 mA) guaranteed.
  • Low current consumption : During operation 23.2 µA (VOUT = 3.3 V, typ. ) During shutdown 0.5 µA (max. ).
  • Duty ratio : 50 % / 75 % built-in auto-switching-type PFM control circuit (A, B, and D type) 75 % built-in fixed-type PFM control circuit (C type).
  • External parts : Coil, capacitor, and diode.
  • Output voltage : Selectable in 0.1 V steps between 2.0 to 6.5 V (A, B, and C type) S.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (S-8351_SeikoInstruments.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number S-8352
Manufacturer Seiko Instruments
File Size 752.14 KB
Description (S-8351 / S-8352) SMALL PACKAGE PFM CONTROL STEP-UP SWITCHING REGULATOR
Datasheet download datasheet S-8352 Datasheet

📁 Similar Datasheet

Part Number Description Manufacturer
S-8352 Switching Regulators ABLIC
S-8351 Switching Regulators ABLIC
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S-8354 Switching Regulators ABLIC
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Other Datasheets by Seiko Instruments

Part Number Description
S-8351 SMALL PACKAGE PFM CONTROL STEP-UP SWITCHING REGULATOR
S-8353 PWM Control Switchable Built-in Transistor Switching Regulator
S-8354 PWM Control Switchable Built-in Transistor Switching Regulator
S-8355 PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER
S-8356 PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
Rev.2.0_00 STEP-UP, SUPER-SMALL PACKAGE, PFM CONTROL SWITCHING REGULATOR / SWITCHING REGULATOR CONTROLLER S-8351/8352 Series The S-8351/8352 Series is a CMOS step-up switching regulator controller which mainly consists of a reference voltage source, an oscillation circuit, a comparator and PFM control circuit. The PFM control circuit allows the duty ratio to be automatically switched according to the load (at light load : 50%, at high output current : 75%), enabling products with a low ripple over a wide range, high efficiency, and high output current (A, B, and D type). Products with a fixed duty ratio of 75% are also available (C type). The S-8351 Series can configure a step-up switching regulator with an external coil, capacitor, and diode.