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FAN5240QSCX データシート(PDF) 6 Page - Fairchild Semiconductor

部品番号 FAN5240QSCX
部品情報  Multi-Phase PWM Controller for AMD Mobile Athlon and Duron
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メーカー  FAIRCHILD [Fairchild Semiconductor]
ホームページ  http://www.fairchildsemi.com
Logo FAIRCHILD - Fairchild Semiconductor

FAN5240QSCX データシート(HTML) 6 Page - Fairchild Semiconductor

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FAN5240 Rev. 1.2.0
Electrical Specifications (Continued)
Note:
1. Guaranteed by slew rate testing.
Figure 2. IC Block Diagram
Parameter
Conditions
Min.
Typ.
Max.
Units
PGOOD
VCORE Lower Threshold
Falling Edge
785
825
865
mV
Rising Edge
835
875
915
mV
PGOOD Output Delay
Low to High, CDELAY = 22nF
12
mS
PGOOD Output Low
IPGOOD = 4mA
0.5
V
Leakage Current
VPULLUP = 5V
1
µA
HYST
PGOOD
EN
5V
VDD
SS
PWM
VIN
POR/UVLO
C
BOOT
Q1
Q2
VDD
CURRENT
PROCESSING
HDRV
SW
LDRV
PGND
BOOT
ISNS1
VIN
C
OUT
VCORE
+
ILIM
R
SENSE1
MODE
ISNS1
L
OUT
ISNS2
R
SENSE2
VCORE-
1K
30µA
ISNS1+ISNS2
5
A1
A2
EA1
DUTY
CYCLE
CLAMP
SR
Q
OSC
RAMP
CLK
ILIM
det.
VCORE+
A
B
TO PH 2
MODULATOR
VOUT'
VOUT'
DAC
Soft Start &
OVP
ISNS2-ISNS1
ISNS1-ISNS2
ISNS2
R6
HYST
PWM
FPWM
PWM/HYST
S/H


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