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XC9282B2FD Datasheet(PDF) 2 Page - Torex Semiconductor

Part # XC9282B2FD
Description  HiSAT-COT ® Control Extremely Small 600mA Step-Down DC/DC Converters
PDF  30 Pages
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Manufacturer  TOREX [Torex Semiconductor]
Direct Link  http://www.torex.co.jp
Logo TOREX - Torex Semiconductor

XC9282B2FD Datasheet(HTML) 2 Page - Torex Semiconductor

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XC9281/XC9282 Series
■BLOCK DIAGRAM
1) XC9281/XC9282 Series Type A
(*) "PWM/PFM Selector" in the XC9281 series is fixed to PWM control.
"PWM/PFM Selector" In the XC9282 series is fixed to PWM/PFM automatic switching control.
Diodes inside the circuit are an ESD protection diode and a parasitic diode.
2) XC9281/XC9282 Series Type B
(*) "PWM/PFM Selector" in the XC9281 series is fixed to PWM control.
"PWM/PFM Selector" In the XC9282 series is fixed to PWM/PFM automatic switching control.
Diodes inside the circuit are an ESD protection diode and a parasitic diode.
+
-
Vref with
Soft Start
S
R
Q
On Time
Generator
VIN
VOUT
Synch.
Buffer
Driver
Logic
Current Limit
CE Control Logic,
UVLO
-
+
Phase
Compensation
Error Amp.
Comparator
CFB
R2
R1
VOUT
GND
Lx
VIN
CE
PWM/PFM
Selector
+
-
Vref with
Soft Start
S
R
Q
On Time
Generator
VIN
VOUT
Synch.
Buffer
Driver
Logic
Current Limit
CE Control Logic,
UVLO
CL Auto-Discharge
-
+
Phase
Compensation
Error Amp.
Comparator
CFB
R2
R1
GND
Lx
VIN
CE
PWM/PFM
Selector
VOUT



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