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S-8322 Datasheet

Part Number S-8322
Manufacturers Seiko
Logo Seiko
Description SMALL PACKAGE PFM CONTROL STEP-UP SWITCHING REGULATOR
Datasheet S-8322 DatasheetS-8322 Datasheet (PDF)

Rev.2.0 SMALL PACKAGE PFM CONTROL STEP-UP SWITCHING REGULATOR S-8321/8322 Series The S-8321/8322 Series is a CMOS PFM-control step-up switching regulator which mainly consists of a reference voltage source, an oscillation circuit, a power MOS FET, and a comparator. The new method PFM control circuit automatically switches the duty ratio according to load, offering products of low ripple over a wide range, high efficiency, high output current. A step-up switching regulator is constructed by ext.

  S-8322   S-8322






Part Number S-8327
Manufacturers Seiko
Logo Seiko
Description (S-8323 / S-8327) SMALL PACKAGE PWM CONTROL STEP-UP SWITCHING REGULATOR
Datasheet S-8322 DatasheetS-8327 Datasheet (PDF)

www.DataSheet4U.net Contents Features .. 1 Applications .. 1 Block Diagram ... 1 Selection Guide . 2 Pin Assignment . 3 Absolute Maximum Ratings ... 3 Electrical Characteristics .. 4 Test Circuits . 9 Operation. 10 External parts selection for DC-DC converter . 13 Standard Circuits .... 17 Precautions .. 19 Application Circuits . 20 Dimensions... 25 Markings.. 25 Taping .... 26 Temperature Characteristics 29 Voltage Characteristics .... 31 Ripple Characteristics . 32 Transient Responses .. 33.

  S-8322   S-8322







Part Number S-8323
Manufacturers Seiko
Logo Seiko
Description (S-8323 / S-8327) SMALL PACKAGE PWM CONTROL STEP-UP SWITCHING REGULATOR
Datasheet S-8322 DatasheetS-8323 Datasheet (PDF)

www.DataSheet4U.net Contents Features .. 1 Applications .. 1 Block Diagram ... 1 Selection Guide . 2 Pin Assignment . 3 Absolute Maximum Ratings ... 3 Electrical Characteristics .. 4 Test Circuits . 9 Operation. 10 External parts selection for DC-DC converter . 13 Standard Circuits .... 17 Precautions .. 19 Application Circuits . 20 Dimensions... 25 Markings.. 25 Taping .... 26 Temperature Characteristics 29 Voltage Characteristics .... 31 Ripple Characteristics . 32 Transient Responses .. 33.

  S-8322   S-8322







Part Number S-8321
Manufacturers Seiko
Logo Seiko
Description SMALL PACKAGE PFM CONTROL STEP-UP SWITCHING REGULATOR
Datasheet S-8322 DatasheetS-8321 Datasheet (PDF)

Rev.2.0 SMALL PACKAGE PFM CONTROL STEP-UP SWITCHING REGULATOR S-8321/8322 Series The S-8321/8322 Series is a CMOS PFM-control step-up switching regulator which mainly consists of a reference voltage source, an oscillation circuit, a power MOS FET, and a comparator. The new method PFM control circuit automatically switches the duty ratio according to load, offering products of low ripple over a wide range, high efficiency, high output current. A step-up switching regulator is constructed by ext.

  S-8322   S-8322







SMALL PACKAGE PFM CONTROL STEP-UP SWITCHING REGULATOR

Rev.2.0 SMALL PACKAGE PFM CONTROL STEP-UP SWITCHING REGULATOR S-8321/8322 Series The S-8321/8322 Series is a CMOS PFM-control step-up switching regulator which mainly consists of a reference voltage source, an oscillation circuit, a power MOS FET, and a comparator. The new method PFM control circuit automatically switches the duty ratio according to load, offering products of low ripple over a wide range, high efficiency, high output current. A step-up switching regulator is constructed by externally connecting only a coil, a capacitor and a diode to the S-8321/8322 Series. This feature, along with its small package and low current consumption, makes the S-8321/8322 Series ideal for the power supply of portable equipment. A built-in protection circuit prevents damage to the IC by turning off the MOS FET when the voltage at CONT pin exceeds the limit during ON of the built-in MOS FET. For applications requiring a high output current, products used with an external transistor are also .


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