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CAS-1
55
– AMP Board –
IC001 TPS5420DRG4
ENA
5
VIN
7
GND
6
PH
8
N.C. 2
BOOT 1
VSENS 4
N.C. 3
THERMAL
PROTECTION
ENABLE
UVLO
PWM
COMPARATOR
GATE
DRIVE
HICCUP
HICCUP
ERROR
AMPLIFIER
VSENSE
OVP
5
ȝ
A
VREF
112.5% VREF
BOOT
SLOW
START
SHDN
SHDN
Z1
Z2
+
–
+
–
+
–
RAMP
GENERATOR
OSCILLATOR
OVERCURRENT
PROTECTION
1.221 V
BANDGAP
REFERENCE
GAP DRIVE
CONTROL
BOOT
REGULATOR
SHDN
SHDN
SHDN
SHDN
SHDN
SHDN
SHDN
IC002 – 004 TPS54331GDR
EN 3
VIN 2
BOOT 1
7 GND
8 PH
5 VSENSE
SHUTDOWN
LOGIC
BOOT
CHARGE
THERMAL
SHUTDOWN
SS 4
ENABLE THRESHOLD
ENABLE
COMPARATOR
+
+
–
6 COMP
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
Q R
S
12 A/V
CURRENT
SENSE
ERROR
AMPLIFIER
Summary of Contents for CAS-1
Page 34: ...CAS 1 34 MEMO ...
Page 97: ...MEMO CAS 1 17 ...