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HCD-PZ1D
73
IC006 MM3203BFBE
IC007 SI-8008TM-TLS
– AMP Board –
IC401 STK416-130F-E
– LCD CTRL Board –
IC001, 003 TK11118CSCL-G
IC004 TK11133CSCL-G
CONTROL
CIRCUIT
BANDGAP
REFERENCE
+
–
OVER HEAT &
OVER CURRENT
PROTECTION
1
VCONT
3
NP
2
GND
4
VOUT
5
VIN
TEMPERATURE
DETECTION
150
q
C
FB1
5
FB2
7
VIN 2
VREF
6
SW2 1
DRIVE
VREF
LOGIC
CURRENT
DETECTION
GND 4
SW1 3
DRIVE
LOGIC
CURRENT
DETECTION
ERROR
AMP
ERROR
AMP
OSC
500kHz
SOFT
START
SOFT
START
CNTRL
8
STARTUP
CONTROL LOGIC
IN
1
SW
2
SS
5
ADJ
4
LATCH
&
DRIVER
ERROR AMP
COMPARATOR
OSCILLATOR
RESET
OVERCURRENT
PROTECTION
THERMAL
PROTECTION
REFERENCE
VOLTAGE
GND
3
ON/OFF
SOFT
START
PREG
+
+
+
–
–
5
6
8 9
10 11
12
13 14
15 16
17
-PRE
-VH
OUT_CH1-
OUT_CH2-
+PRE
SUB
GND
IN-Lch
NF-Lch
STBY
4
-OFF_SET
18 19
NF-Rch
IN-Rch
2 3
-VL
+OFF_SET
1
+VL
7
+VH
Содержание HCD-PZ1D
Страница 107: ...MEMO HCD PZ1D 107 ...