Sony NW-A1000 Service Manual page 35

IC8301 TPS61045DRBR
L 1
VIN 2
400 ns MIN
OFF TIME
ERROR COMPARATOR
+
–
VREF
6 µs MAX
ON TIME
DO 3
FB 4
IC8302 TPS61041DBVR
UNDER VOLTAGE
LOCKOUT
BIAS SUPPLY
SW 1
GATE
RS LATCH
DRIVER
LOGIC
CURRENT LIMIT
GND 2
FB 3
INPUT
SWITCH
UNDER VOLTAGE
GATE
LOCKOUT CTRL
DRIVER
BIAS SUPPLY
MAIN
SWITCH
S
GATE
RS LATCH
DRIVER
LOGIC
R
CURRENT LIMIT
+
–
SOFT
START
6 BIT D/A DIGITAL
CONVERTER INTERFACE
400 ns MIN
OFF TIME
ERROR COMPARATOR
S +
–
R
6 µs MAX
ON TIME
+
–
SOFT
START
8 SW
7 GND
6 PGND
5 CTRL
5 VIN
VREF
4 EN
NW-A1000
35