Datasheet

MAX17595/MAX17596/MAX17597
Peak-Current-Mode Controllers for
Flyback and Boost Regulators
11Maxim Integrated
Figure 1. MAX17595/MAX17596/MAX17597 Block Diagram (*See Note 4.)
CONTROL
AND
DRIVER LOGIC
HICCUP
8 PEAK EVENTS
OR 1 RUNAWAY
SSDONE
SS
SS
SSDONE
1.21V
CHIPPEN
DITHER/
SYNC
1.21V
1.21V
UVLO
V
DRV
DITHER/SYNC
NDRV
PGND
CS
SLOPE
COMP
FB
V
IN
EN/
UVLO
OVI
RT
SS
SGND
7.4V (MAX17595)
OR
5V (MAX17596/
MAX17597)
OSC
PEAKLIM
COMP
305mV
360mV
FIXED
OR VAR
10µA
10µA
±50µA
RUNAWAY
COMP
PWM COMP
OSC
OSC
70ns
BLANKING
R
R
INTERNAL
REFERENCE
1.21V
1X
DRIVER
V
DRV
2V/0.4V
PGND
SLOPE
DECODE
0.9V
5V
LDO
POK
MAX17595
MAX17596
MAX17597*
7.4V
LDO
THERMAL SENSOR
CHIPEN