MAX17595EVKIT# Maxim Integrated, MAX17595EVKIT# Datasheet - Page 14

• Manufacturer Part Number: MAX17595EVKIT#
• Description: Power Management IC Development Tools MAX17595 Eval Kit
• Manufacturer: Maxim Integrated

Specifications of MAX17595EVKIT#

• Rohs: yes

scheme, the transistor (Q1) supplies the switching cur-
rent until a bias winding NB comes up and turns off Q1.
The resistor (R
The soft-start period for the devices can be programmed
by selecting the value of the capacitor C
Figure 3. MAX17595 RC-Based Startup Circuit
Figure 4. MAX17595 Current-Source-Based Startup Circuit
Maxim Integrated
Z
R
) can be calculated as:
Z
=
Programming Soft-Start (SS)
2 (V
R
SUM
×
C
R
START
START
INMIN
C
START
V
DC
R
R
R
V
−
IN1
IN2
IN3
DC
6.3) k
C
R
VDRV
R
R
R
ISRC
IN1
IN2
IN3
C
VDRV
W
Peak-Current-Mode Controllers for
MAX17595/MAX17596/MAX17597
SS
V
IN
V
connected
IN
Flyback and Boost Regulators
V
V
LDO
LDO
DRV
DRV
MAX17595
MAX17595
D2
D2
DRV
from the SS pin to SGND. Capacitor C
lated as:
where t
applicable to the boost converter application circuit of
Figure 11. For optoisolated converters, the soft-start
period is approximately equal to 30% of t
DRV
NDRV
CS
SS
NB
NDRV
CS
NB
is expressed in ms. This equation is directly
V
=
DC
V
NP
DC
C
NP
SS
R
S
NS
NS
D1
8.2645 t
D1
V
OUT
V
OUT
C
×
OUT
C
SS
OUT
nF
SS
can be calcu-
SS
when the
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