STEP-DOWN, BUILT-IN FET, SYNCHRONOUS RECTIFICATION, PWM CONTROL SWITCHING REGULATORS

The S-8550 S-8551 Series is a CMOS synchronous rectification Step-down Switching Regulator which mainly consists of a reference voltage circuit, an Oscillator an error Amplifier a phase compensation circuit, a PWM Controller an under voltage lockout circuit (UVLO), a current limit circuit, and a power MOS FET The oscillation frequency is high at 1.2 MHz, so a high efficiency, large output current, Step-down Switching Regulator CAN be achieved by using small external parts. The built-in synchronous rectification circuit makes achieving high efficiency easier compared with conventional Step-down Switching Regulators A ceramic capacitor CAN be used as an output capacitor. High-density mounting is supported by adopting a small SOT-23-5 package. The S-8550 and S-8551 Series are offered according to different pin configuration. By Seiko Instruments Inc.
Part Manufacturer Description Datasheet Samples
8551901EA Texas Instruments 8-Bit Addressable Latches 16-CDIP -55 to 125
8551101RA Texas Instruments Octal Bus Transceivers With 3-State Outputs 20-CDIP -55 to 125
8551101SA Texas Instruments Octal Bus Transceivers With 3-State Outputs 20-CFP -55 to 125
8551502VA Texas Instruments Regulating Pulse Width Modulators 18-CDIP -55 to 125
85519012A Texas Instruments 8-Bit Addressable Latches 20-LCCC -55 to 125
85511012A Texas Instruments Octal Bus Transceivers With 3-State Outputs 20-LCCC -55 to 125
8551501VA Texas Instruments Regulating Pulse Width Modulator 18-CDIP -55 to 125
8551901FA Texas Instruments 8-Bit Addressable Latches 16-CFP -55 to 125
85515012A Texas Instruments Regulating Pulse Width Modulator 20-LCCC -55 to 125
85515022A Texas Instruments Regulating Pulse Width Modulators 20-LCCC -55 to 125
S-8551 's PackagesS-8551 's pdf datasheet
S-8550AA-M5T1G
S-8551AA-M5T1G
S-8550




S-8551 Pinout, Pinouts
S-8551 pinout,Pin out
This is one package pinout of S-8551,If you need more pinouts please download S-8551's pdf datasheet.

S-8551 circuits will be updated soon..., now you can download the pdf datasheet to check the circuits!

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