Datasheet

MAX16932/MAX16933
2.2MHz, 36V, Dual Buck
with 20µA Quiescent Current
21Maxim Integrated
Block Diagram
EAMP1
PGOOD
COMP
PGOOD1 COMP1
PGOOD LOW LEVEL
PGOOD HIGH LEVEL
FB1
OUT1
CS1
EN1
80 mV(TYP) MAX
DIFFERENTIAL INPUT
FEEDBACK
SELECT LOGIC
REF = 1V
CURRENT-LIMIT
THRESHOLD
OSCILLATOR
TIED HIGH (PWM MODE)
TIED LOW (SKIP MODE)
CLK2
CLK1
INTERNAL
SOFT-START
SLOPE
COMP LOGIC
CLK 180°
OUT-OF-PHASE
INTERNAL LINEAR
REGULATOR
SWITCHOVER
DC-DC1
CONTROL LOGIC
ZERO
CROSS
COMP
CSA1
EP
CL
PWM1
LX1
LX2
LX1
BIAS
CLK1
STEP-DOWN DC-DC1
GATE DRIVE
LOGIC
EN1
BST1
DH1
LX1
DL1
PGND1
PGND2
BIAS
EXTVCC
IF 3.1V <
V
EXTVCC
< 5.2V
PWM1
ZX1
SPREAD SPECTRUM
OPTION AVAILABLE WITH
INTERNAL CLOCK ONLY
EXTERNAL
CLOCK INPUT
FSYNC
SELECT LOGIC
DC-DC2 CONTROL LOGIC
SAME AS DC-DC1 ABOVE
FSYNC
FOSC
COMP2
FB2
OUT2
CS2
EN2
PGOOD2
AGND
IN
CLK2
STEP-DOWN DC-DC2
GATE DRIVE
LOGIC
EN2
BST2
DH2
LX2
DL2
PWM2
ZX2
LX2
MAX16932
MAX16933