Rainbow Electronics MAX5051 - Manual (Page 11)

MAX5051
Parallelable, Clamped Two-Switch
Power-Supply Controller IC
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MAX5051
CPWM
E/A
1
SSA
9V
LDO
5V
LDO
REG5 OK
80 µA
REG9
REG5
BST
DRVH
XFRMRH
DRVL
PGND
LXVDD
LXH
LXL
FLTINT
CS
AVIN
UVLO
STT
OSC RCOSC
RCFF
FB
COMP
CSS
CILIM
SYNCIN
SYNCOUT
STARTUP
50 µA
GND
64 µA
R
18R
1.25V
1.125V
1.25V
1.125V
DRVDD
PVIN
REG9 OK
CON
1.25V
OVER
TEMP
SHDN
2.34V
156mV 10MHz
D
S
R
Q
INTERNAL
REGULATOR
INTERNAL
SUPPLY
1.25V
REFERENCE
THERMAL
SHUTDOWN
2.7V/1.8V
2.7V/1.8V
DRVB
200ns
RISING-
EDGE
DELAY
DRVDD
SHDN
Q
300ns
ONE
SHOT
LEVEL
SHIFT
LEVEL
SHIFT
LEVEL
SHIFT
60ns
RISING-
EDGE
DELAY
25 µs
RISING-
EDGE
DELAY
SHDN
Functional Diagram