max5059auit Maxim Integrated Products, Inc., max5059auit Datasheet - Page 17

• Manufacturer Part Number: max5059auit
• Description: Parallelable, Secondary-side Synchronous Rectifier Driver And Feedback-generator Controller Ics
• Manufacturer: Maxim Integrated Products, Inc.

1) Select a parallel equivalent resistance R
2) Select the margin-up percentage value:
3) Calculate R
4) Calculate R
Figure 11. Remote-Sense Amplifier Connection for 0.5V ≤ V OUT ≤ 2.5V
Parallelable Secondary-Side Synchronous Rectifier
produce the nominal reference voltage. For exam-
ple, R
R
Select the nearest 0.1% value.
R
R
Select the nearest 0.1% value.
R
32
32
12
12
= 743.4kΩ.
= 741kΩ.
= 37.05kΩ.
= 37kΩ.
eq
= 35.4kΩ gives you V
Driver and Feedback-Generator Controller ICs
32
R
12
32
:
:
R
______________________________________________________________________________________
50μA
12
I
=
REF
R
=
eq
ΔU = 5%
R
×
32
100
E/A
100
×
%
Calculated
Selected
Calculated
Selected
Δ
%
U
Δ
U
IREF
+
Δ
U
= 1.77V.
COMPV
I
INV
REF
13
14
12
eq
value to
C28
V
FOR: 0.5V ≤ V
OUT
R12
= (50μA) x R12
5) Select the margin-down percentage value:
6) Recalculate R
7) Calculate R
8) Calculate the reference voltage with the selected
R
R
Select the nearest 0.1% value:
R
chosen values:
V
V
OUT
IREF
IREF
eq
33
33
VSO
15
≤ 2.5V
= 361.186kΩ.
= 361kΩ.
= 35.24kΩ.
= 50µA
= 1.762V.
R
33
=
33
RSA
R
✕
:
12
eq
R
R
×
with the selected values:
eq
eq
(
100
100
.
ΔD = 5%
=
VSP
VSN
17
16
R
%
R R
%
12
12 32
+
×
+
Δ
R
Selected
R
D
eq
32
)
V
-
×
OUT
100
R
12
%
Calculated
R
×
eq
R
eq
from step 6.
17