MAX5096 Datasheet, PDF (10/20 Pages) Maxim Integrated Products – 40V, 600mA Buck Converters with Low-Quiescent-Current Linear Regulator Mode

40V, 600mA Buck Converters with Low-
Quiescent-Current Linear Regulator Mode
IN
C_IN
COMP
R_{C SYNC}
C_P
C_C
LDO/BUCK
V_OUT
OSCILLATOR
AND RAMP
GENERATOR
CURRENT
SENSE
-+
DC
CURRENT
LIMITER
V_IN
DC-DC ENABLE
PWM
PWM
COMPARATOR
SYNCRO
MODE
SELECTOR
LDO/ BUCK
SELECTOR
GATE
DRIVER
MUX
FB
+
gm _-
SS
-
V_REF
BUCK MODE GM
AMPLIFIER
FB
+
-
SS
-
V_REF
LDO MODE
AMPLIFIER
EN
SS
C_SS
MAX5096
MAX5097
BIAS SOFT-
START
INTERNAL
BANDGAP
UVLO
THERMAL
PROTECTION
RESET
CT
C_CT
INTERNAL
BP
4V LDO
C_BP
0.9Ω
LX
L
V_OUT
+
C_OUT
R₁
ADJ
-
+
OUT
0.12V
R₂
FEEDBACK
SELECTOR
R_PU
RESET
SGND
PGND
Figure 1. Simplified Diagram
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