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CS5132 датащи(PDF) 3 Page - Cherry Semiconductor Corporation

номер детали CS5132
подробное описание детали  Dual Output CPU Buck Controller
PDF  19 Pages
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производитель  CHERRY [Cherry Semiconductor Corporation]
домашняя страница  http://www.cherrycorp.com/
Logo CHERRY - Cherry Semiconductor Corporation

CS5132 датащи(HTML) 3 Page - Cherry Semiconductor Corporation

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3
Block Diagram
UVLO
PGnd
+
-
DAC
VFFB2
-
+
0.25V
GATE(L)
COFF2
VFB2
LGnd
COMP2
OVP
PWRGD
VFB1
VFFB1
COFF1
VCC1
VCC2
-
+
VOUT2
Q
R
S
Fault
Latch2
VID1
VID2
VID3
VID4
VID0
+
-
S
Fault
Latch1
+
-
-
+
+
-
-
+
+
-
Off Time2
One Shot
+
-
1.06V
COMP1
GATE(H)
GATE
-
+
+
-
-
+
VOUT1
+
-
86mV
VCC1
+
-
-
+
86mV
Current
Limit1
EA1
PWM
COMP1
PWM
COMP2
1.23V
EA2
0.25V
Current
Limit2
PGnd
PGnd
PGnd
Non-overlap
Logic
-
+
1.10V
Off Time1
One Shot
Q
R
Discharge
Comparator
Discharge
Comparator
PACKAGE PIN #
PIN SYMBOL
FUNCTION
Package Pin Description: continued
14
COFF2
Off-Time Capacitor Pin. A capacitor from this pin to LGnd sets the off
time for the non-synchronous regulator (VI/O).
13
COMP2
VI/O section error amp output. PWM comparator inverting input. A
capacitor to LGnd provides error amp compensation.
12
VOUT2
VI/O section current limit comparator inverting input.
11
VFB2
VI/O section error amp inverting feedback input.
10
VFFB2
VI/O PWM comparator fast feedback non-inverting input. VI/O sec-
tion current limit comparator non-inverting input.
9
LGnd
Logic ground.
7VFB1
VCORE section error amp inverting input, PWRGD and OVP compara-
tor input.
6VOUT1
VCORE section current limit comparator inverting input.
5
COMP1
VCORE section error amp output. VCORE section PWM comparator
inverting input. A capacitor to LGnd provides error amp compensa-
tion.
4COFF1
Off-Time Capacitor Pin. A capacitor from this pin to LGnd sets the off
time for the synchronous regulator (VCORE).
8VFFB1
VCORE section PWM comparator fast feedback non-inverting input.
VCORE section current limit comparator non-inverting input.



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