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RT9237 Datasheet(PDF) 3 Page - List of Unclassifed Manufacturers

Part # RT9237
Description  MULTI-PHASE DC/DC CONTROLLER FOR CPU CORE POWER SUPPLY
PDF  15 Pages
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Manufacturer  ETC [List of Unclassifed Manufacturers]
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RT9237 Datasheet(HTML) 3 Page - List of Unclassifed Manufacturers

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Preliminary
RT9237
DS9237-00 January 2002
www.richtek-ic.com.tw
3
Parameter
Symbol
Test Conditions
Min
Typ
Max
Units
Protection
IMAX Voltage
RIMAX = 15k
0.55
0.6
0.65
V
SS Current
VSS = 1V
--
10
--
µA
Over-Voltage Trip (VSEN/DACOUT)
116
120
124
%
Power Good
Upper Threshold (VSEN/DACOUT)
VSEN Rising
--
108
--
%
Lower Threshold (VSEN/DACOUT)
VSEN Rising
--
92
--
%
Function Block Diagram
Current
Balance
Processor
PWM Logic
& Driver
PWM Logic
& Driver
PWM Logic
& Driver
PWM Logic
& Driver
Oscillator
Current
Limit
OVP, PGOOD
POR Logic
92%
VDAC
120%
VDAC
Power On Reset
Droop
Control
SS
Control
DAC
PWM1
PWM2
PWM3
PWM4
ISP1
ISN1
ISP2
ISN2
ISP3
ISN3
ISP4
ISN4
IRMP
IMAX
DVD
INH
INH
INH
INH
INH
VDD
PGOOD
VID1
VID0
VID2
VID3
VID4
VSEN
ADJ
GND
FB
COMP
SS
CS1
CS2
CS3
CS4
PWMCP
PWMCP
PWMCP
PWMCP
108%
VDAC
EA



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