MAX767 Maxim, MAX767 Datasheet - Page 9

• Manufacturer Part Number: MAX767
• Description: 5V-to-3.3V / Synchronous / Step-Down Power-Supply Controller
• Manufacturer: Maxim

Figure 3. MAX767 Block Diagram
2.8V
ON
4V
SS
REFERENCE
MAX767
+3.3V
V
CC
FAULT
REF
_______________________________________________________________________________________
25mV
5V-to-3.3V, Synchronous, Step-Down
4 A
SLOPE COMP
N
MAIN PWM
COMPARATOR
(IDLE-MODE)
MINIMUM
CURRENT
3.3V
60kHz
LPF
30R
1R
RECTIFIER CONTROL
SYNCHRONOUS
V
CC
0mV TO 100mV
Power-Supply Controller
R
S
Q
CURRENT
LIMIT
1X
R
S
200kHz/300kHz
OSCILLATOR
Q
SYNC
ON
THROUGH
CONTROL
SHOOT-
LEVEL
SHIFT
LEVEL
SHIFT
CS
FB
DH
DL
BST
LX
V
PGND
CC
9