s-882152amh-m3btfg Seiko Instruments Inc., s-882152amh-m3btfg Datasheet - Page 2
s-882152amh-m3btfg
Manufacturer Part Number
s-882152amh-m3btfg
Description
Voltage Regulation Step-up Charge Pump Dc-dc Converter
Manufacturer
Seiko Instruments Inc.
Datasheet
1.S-882152AMH-M3BTFG.pdf
(19 pages)
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2
VOLTAGE REGULATION STEP-UP CHARGE PUMP DC-DC CONVERTER
S-8821 Series
Block Diagram
C
PUMP
C
IN
=0.10 μ F
=4.7 μ F
VIN
C +
C −
SW2
SW1
SW3
SW4
Switch
control
circuit
Soft start
circuit
Seiko Instruments Inc.
ON/OFF
Figure 1
PFM control
(1.0 MHz)
oscillator
circuit
ON/OFF
circuit
Reference
voltage
+
-
R
R
s
f
GND
VOUT
Rev.3.1
C
OUT
=10 μ F
_00
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