Datasheet

Figure 1. MAX5092_ Functional Diagram
MAX5092_
INTERNAL
LDO
Q
Q
V
PK
R1
R
S
IN
VL
VL
LX
LX
BSOUT
BSOUT
BSFB
OUT
OUT
OUT_SENSE
SET
CT
RESET
R2
LDO
ERROR AMPLIFIER
MUX
S
R
INOUT
DRIVER
2.25µs
ONE-SHOT
1µs
ONE-SHOT
CURRENT-LIMITING
COMPARATOR
INOUT
MUX
DELAY
COMPARATOR
CT
COMPARATOR
0.92 x V
REF
VL
2µA
SGND
PGND_LDO
P
PGND_BST
CONTROL LOGIC,
THERMAL SHUTDOWN,
AND OVERCURRENT
PROTECTION
R3
R4
V
REF
V
REF
HOLD
OUT
BST_DIS
V
DIS_TH
BSOUT
EN
MAX5092/MAX5093 4V to 72V Input LDOs with Boost Preregulator
www.maximintegrated.com
Maxim Integrated │ 10
Functional Diagrams