HT-X9000F/XF9000
HT-X9000F/XF9000
48
48
• Waveforms
– SK1-WS-CHUKEI Board –
1
IC1502
4
1 V/DIV, 200 ns/DIV
324 ns
3.3 Vp-p
qs
IC6007
wd
SCLK
1 V/DIV, 200 ns/DIV
324 ns
3.3 Vp-p
0
IC6001
2
(BOOT)
10 V/DIV, 2
P
s/DIV
2
P
s
34 Vp-p
qa
IC6002
6
(VBST)
5 V/DIV, 1
P
s/DIV
1.4
P
s
17.4 Vp-p
41 ns
4.4 Vp-p
qd
IC6008
4
2 V/DIV, 20 ns/DIV
• IC Block Diagrams
– SK1-WS-CHUKEI Board –
IC1501 MM3411A33URE
– SK1 AMP Board –
VOUT
3
CE 1
GND 2
VDD
4
+
–
VOLTAGE
REFERENCE
CURRENT
LIMIT
BIAS
IC6002 TPS563209DDCR
– SK1 AMP Board –
IC6001 RT7272BGSP
VIN
8
RLIM
7
COMP
6
FB
5
SW 1
BOOT
EN
2
3
GND 4
VA
VA VCC
+
+
+
+
+
+
Q
S
R
Q
VCC
VCC
0.8V
1.7V
1.2V
6
INTERNAL
REGULATOR
FOLDBACK
CONTROL
OSCILLATOR
SHUTDOWN
COMPARATOR
LOCKOUT
COMPARATOR
CURRENT
COMPARATOR
SLOPE
COMP
CURRENT
SENSE
AMPLIFIER
UV
COMPARATOR
+
0.4V
UV
EA
SS
–
+
OCL
OCL
THRESHOLD
VREG5
VREG5
CONTROL
LOGIC
LS
HS
XCON
1
GND
3
VIN
2
SW
4
VFB
5
EN
6
VBST
REGULATOR
SOFT START
UVLO
OVP
UVP
V OVP
V UVP
PWM
REF
SS
VOLTAGE
REFERENCE
+
–
+
–
–
+
+
TSD
TON
ONE-SHOT
IC6003 RP130N501D-TR-FE
2
3
GND
1
VCC
CE
4 NC
5 VOUT
VREF
CURRENT
LIMIT
IC6004 RP114K331D-TRB
3
4 VDD
CE
VREF
CURRENT
LIMIT
1
VOUT
2
GND
IC6005 NJM2831F12 (TE2)
5
VIN
4
VOUT
2
GND
3
NC
1
CONTROL
BANDGAP
REFERENCE
THERMAL
PROTECTION
Содержание HT-X9000F
Страница 36: ...MEMO HT X9000F XF9000 36 ...