XDP-PK1000
20
IC302 BD9070FP-E2
IC407, 408 PCM1808PWR
PVIN
24
16
N.C.
23
INV
18
VDD
15
N.C.
14
OVP
VDD
17
FLG 10
N.C. 11
HSDSW 12
HSDSW 13
N.C.
20
FB
19
SW
22
SW
21
VIN 2
VREGB 1
HSDCTL 9
EN 8
RT 7
GND 6
PGND 5
N.C. 4
N.C. 3
CONTROL
LOGIC
DRV
LOGIC
UVLO,
TSD,
HSD UVLO
HSD UVLO
UVLO, TSD,
OVP, OCP, SCP
CHARGE
PUMP
SOFT
START
OCD
SLOPE
OSC
VREF
SYNC
VREG
UVLO
TSD
+
–
–
+
+
–
+
HSD
UVLO
SCP
–
+
SCP
OVP
OCP
+
–
OVP
R
S
PWM
ERR
PVIN
25
–
+
OCP
UVLO
TSD
DRV
DELTA-SIGMA
MODULATOR
DELTA-SIGMA
MODULATOR
ANTIALIAS
LOW-PASS FILTER
ANTIALIAS
LOW-PASS FILTER
AGND
VCC
2
3
VDD
DGND
4
5
LRCK 7
REFERENCE
u
1/64
DECIMATION
FILTER
WITH
HIGH-PASS
FILTER
SERIAL
INTERFACE
&
MODE/FORMAT
CONTROL
FMT
12
VINR
14
VINL
13
MD1
11
MD0
10
DOUT
9
BCK
8
CLOCK & TIMING CONTROL
POWER
SUPPLY
SCKI 6
VREF 1
