Sony HT-MT500 Service Manual page 54

HT-MT500/MT501
IC6011 ‒ 6013 TPS54334DDAR
BOOT 1
BOOT THERMAL
CHARGE HICCUP
VIN 2
UVLO
SHUTDOWN
LOGIC
CURRENT
SENSE
BOOT
UVLO
SW 3
REGULATOR VIN
CURRENT
SENSE
GND 4
IC6014 MM3411A33URE
CE 1 BIAS
VOLTAGE
REFERENCE
GND 2
– USB-WSCHUKEI Board –
IC1501 RP115L331D-E2
8 7
VREF
CURRENT LIMIT
THERMAL SHUTDOWN
REVERCE
DETECTOR
1 2
54
HICCUP SHUTDOWN
ENABLE
COMPARATOR
ENABLE THRESHOLD
MINIMUM
PULSE SKIP
POWER STAGE
HS MOSFET
& DEADTIME
CURRENT
CONTROL
COMPARATOR
LOGIC
SLOPE
COMPENSATION
LS MOSFET
OSCILLATOR
CURRENT LIMIT
4 VDD
–
+
CURRENT
LIMIT
3 VOUT
6 5
3 4
8 PGOOD
7 EN
SHUTDOWN
UV
LOGIC
OV
VOLTAGE
REFERENCE
CLAMP
6 COMP
– 5 VSENSE
+
+
ERROR
AMPLIFIER
MAXIMUM OVERLOAD
CLAMP RECOVERY
HICCUP
SHUTDOWN