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