S-8821 데이터 시트보기 (PDF) - Unspecified
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S-8821 Datasheet PDF : 24 Pages
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VOLTAGE REGULATION BOOST CHARGE PUMP DC-DC CONVERTER
S-8821 Series
Block Diagram
Rev.5.1_03
VIN
CIN=4.7 F
SW1
C
CPUMP=0.10 F
C
SW2
SW3
SW4
Switch
control
circuit
Soft start
circuit
PFM control
oscillator
circuit
(1.0 MHz)
Rs
+
Rf
-
ON/OFF
circuit
Reference
voltage
VOUT
COUT=10 F
ON/OFF
Figure 1
GND
2
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