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S-8351A45MC-J3ET2U Datasheet(PDF) 8 Page - Seiko Instruments Inc |
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S-8351A45MC-J3ET2U Datasheet(HTML) 8 Page - Seiko Instruments Inc |
8 / 51 page STEP-UP, BUILT-IN / EXTERNAL FET PFM CONTROL SWITCHING REGULATOR / SWITCHING REGULATOR CONTROLLER S-8351/8352 Series Rev.3.0_01 8 Pin Configurations 1 2 3 SOT-23-3 Top view Figure 7 Table 6 S-8351 Series B and C Types (Without shutdown function, VDD / VOUT non-separate type) Pin No. Symbol Pin Description 1 VOUT Output voltage pin and IC power supply pin 2 VSS GND pin 3 CONT External inductor connection pin (Open-drain output) Table 7 S-8352 Series B and C Types (Without shutdown function, VDD / VOUT non-separate type) Pin No. Symbol Pin Description 1 VOUT Output voltage pin and IC power supply pin 2 VSS GND pin 3 EXT External transistor connection pin (CMOS output) SOT-23-5 Top view 5 4 3 2 1 Table 8 S-8351 Series A Type (With shutdown function, VDD / VOUT non-separate type) Pin No. Symbol Pin Description 1 OFF / ON Shutdown pin “H”: Normal operation (Step-up operating) “L”: Step-up stopped (Entire circuit stopped) 2 VOUT Output voltage pin and IC power supply pin 3 NC*1 No connection 4 VSS GND pin 5 CONT External inductor connection pin (Open-drain output) Figure 8 *1. The NC pin indicates electrically open. Table 9 S-8352 Series A Type (With shutdown function, VDD / VOUT non-separate type) Pin No. Symbol Pin Description 1 OFF / ON Shutdown pin “H”: Normal operation (Step-up operating) “L”: Step-up stopped (Entire circuit stopped) 2 VOUT Output voltage pin and IC power supply pin 3 NC*1 No connection 4 VSS GND pin 5 EXT External transistor connection pin (CMOS output) *1. The NC pin indicates electrically open. |
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