LTC3772 View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
'LTC3772' PDF : 20 Pages View PDF
W
FU CTIO AL DIAGRA
LTC3772
VIN
UNDERVOLTAGE UV
LOCKOUT
1µA
ITH/RUN
SHUTDOWN
– COMPARATOR
+
SHDN
VOLTAGE
REFERENCE
0.8V
SLEEP
– COMPARATOR
SLEEP
+
0.15V
0.225V
ERROR
AMPLIFIER
1.2V
SW
BURST
CLAMP
+
ITH
BUFFER
–
75mV
+–
SLOPE
COMPENSATION
IPRG
CURRENT
COMPARATOR
ILIM
RS R S
LATCH Q
SWITCHING
LOGIC AND
BLANKING
CIRCUIT
0V
OVERVOLTAGE
COMPARATOR
0.88V
550kHz
OSCILLATOR
VIN
FREQUENCY
FOLDBACK
PGATE
SHORT-CIRCUIT
DETECT
+–
0.3V
VFB
0.8V
SOFT-START
RAMP
GND
3772 FD
3772f
7
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