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S8540 Datasheet(PDF) 9 Page - Seiko Instruments Inc

Part # S8540
Description  STEP-DOWN, 600 kHz PWM CONTROL or PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER
PDF  36 Pages
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Manufacturer  SII [Seiko Instruments Inc]
Direct Link  http://www.sii.co.jp
Logo SII - Seiko Instruments Inc

S8540 Datasheet(HTML) 9 Page - Seiko Instruments Inc

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STEP-DOWN, 600 kHz PWM CONTROL or PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER
Rev.4.0_01
S-8540/8541 Series
9
Measurement Circuits
1.
VSS
ON/OFF
EXT
SENSE
VOUT
VIN
CVREF
A
A
A
A
A
A
CVL
CIN
Figure 5
2.
L
SD
PSW
Cb
Rb
VIN
CIN
CVREF
RSENSE
CSS
COUT
RSS
VON/OFF
+
+
VSS
ON/OFF
EXT
SENSE
VOUT
VIN
CVL
Figure 6
3.
A
A
A
A
A
A
CVREF
CIN
VSS
ON/OFF
EXT
FB
SENSE
VOUT
VIN
CVL
RFB1
RFB2
CFB
Figure 7
4.
L
SD
PSW
Cb
Rb
VIN
CIN
CVREF
RFB2
RSENSE
CFB
RFB1
CSS
COUT
RSS
VON/OFF
+
+
VSS
ON/OFF
EXT
FB
SENSE
VOUT
VIN
CVL
Figure 8



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