Sony STR-DA2800ES - Page 133

STR-DA2800ES
133
IC1408 TPS54425PWPR
VIN214
VIN1
13
PGND18
SW1
10
PGND2
9
VBST
12
SW2
11
VFB
2
VO 1
EN
7
PG
6
GND
5
SS
4
VREG5
3
EN
LOGIC
1 SHOT
–35%
+20%
REF
SS
SS
VREG5
VCC
VREG5
XCON
CONTROL
LOGIC
SOFT
START
PROTECTION
LOGIC
VREG5
+
+
–
PWM
+
–
+
–
UVLO
REF
ZC
SW
PGND
SW
PGND
+
–
+
–
OCP
REF
–10%
+
–
OCP
REF
OV
UV
UV
OV
UVLO
TSD
IC1410 BD9009HFP-TR
SW 2
VIN
1
EN/SYNC
7
RT 6
INV
5
GND
4
FB
3
–
+
+
–
+
SOFT
START
ERROR
AMP
PWM
COMPARATOR
CURRENT
LIMIT
SSH
–
+
SLOPE
OSC
VREF
SDWN
SDWN
RESET
SET
DRV
UVLO/
TSD
DRIVER
INTERNAL
BIAS
SYNC
COUNTER
TIMER