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S8340 Datasheet(PDF) 5 Page - Seiko Instruments Inc

Part # S8340
Description  STEP-UP, 600 kHz, PWM CONTROL OR PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER
PDF  55 Pages
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Manufacturer  SII [Seiko Instruments Inc]
Direct Link  http://www.sii.co.jp
Logo SII - Seiko Instruments Inc

S8340 Datasheet(HTML) 5 Page - Seiko Instruments Inc

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STEP-UP, 600 kHz, PWM CONTROL OR PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER
Rev.4.0_01
S-8340/8341 Series
5
Pin Configurations
Table 3
3
4
2
1
6
5
7
8-Pin TSSOP
Top view
8
Figure 3
Pin No.
Symbol
Pin Description
1
VSS
GND pin
2
CVREF
Reference voltage source pass capacitor connection
pin
3
CSS
Soft-start capacitor connection pin
4
ON/OFF
Shutdown pin
“H” : Normal operation (step-up operating)
“L” : Entire circuit stopped (step-up stopped)
5
VDD
IC power supply pin
6
VOUT
(FB)
Output voltage fixed output type :
Output voltage monitoring pin
[Output voltage external setting type :
Feedback pin]
7
EXT
External transistor connection pin
8
SENSE
Current limit detection pin



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