Sony STR-ZA2000ES - Page 89

STR-ZA1000ES/ZA2000ES/ZA3000ES
89
IC1701, 1721, 1741, 1761 TPS54331GDR
EN
3
VIN
2
BOOT
1
7GND
8PH
5 VSENSE
SHUTDOWN
LOGIC
BOOT
CHARGE
THERMAL
SHUTDOWN
SS
4
ENABLE THRESHOLD
ENABLE
COMPARATOR
+
+
–
6COMP
MAXIMUM
CLAMP
FREQUENCY
SHIFT
GATE
DRIVE
LOGIC
BOOT
UNDERVOLTAGE
LOCKOUT
OSCILLATOR
SLOPE
COMPENSATION
ECO-MODE
MINIMUM CLAMP
DISCHARGE
LOGIC
VOLTAGE
REFERENCE
PWM
COMPARATOR
PWM
LATCH
6
QR
S
12 A/V
CURRENT
SENSE
ERROR
AMPLIFIER
IC1801, 1821, 1841, 1861, 1901, 1921, 1981 BD9329AEFJ-BZSE2
VREFOSC
IBIAS
SLOPE
UNDER VOLTAGE
LOCK OUT
ERROR
AMP
DRIVE
LOGIC
S
R
PWM
THERMAL
SHUTDOWN
LVS
LVS
OVER CURRENT
PROTECT
VREG
VIN
SOFT
START
BST 1
VIN
2
SW
3
GND
4
EN
7
FB
5
COMP6
SS
8
–
+ +
+
–