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Lista de partido
S-8363
STEP-UP, SUPER-SMALL PACKAGE, 1.2 MHz PWM / PFM SWITCHABLE SWITCHING REGULATOR
Seiko Instruments Inc
S-8363 Datasheet PDF : 50 Pages
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STEP-UP, SUPER-SMALL PACKAGE, 1.2 MHz PWM/PFM SWITCHABLE SWITCHING REGULATOR
S-8363 Series
Rev.2.0
_01
Block Diagram
ON/OFF
VIN
V
IN
C
IN
L = 2.2
μ
H
SD
V
IN
ON/OFF
Circuit
Start-up
Circuit
CONT
Oscillation
Circuit
VOUT
SLOPE
Compensation
Internal
Power Supply
Current
Limit Circuit
MUX
Switching
Control
Circuit
Σ
STU Mode
Circuit V
OUT
C
FB
Error Amplifier
FB
−
+
+
−
PWM
Reference
Comparator
Voltage
Source
VSS
V
OUT
R
FB1
C
OUT
10
μ
F
R
FB2
Figure 1
2
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