CDB150X-01-Z Cirrus Logic Inc, CDB150X-01-Z Datasheet - Page 14

• Manufacturer Part Number: CDB150X-01-Z
• Description: High-efficiency PFC Demo. Board
• Manufacturer: Cirrus Logic Inc
• Series: -r

Specifications of CDB150X-01-Z

• Silicon Manufacturer: Cirrus Logic
• Kit Application Type: Power Management
• Application Sub Type: Power Factor Correction (PFC)
• Kit Contents: Board, Datasheet
• Design Resources: CS150x/160x PCB Layout Guidelines Boost Inductance vs. Inductor Size
• Featured Product: CS1501/CS1601 Power Factor Correction IC Controllers
• Main Purpose: Power Management, Power Factor Correction
• Embedded: No
• Utilized Ic / Part: CS1501
• Primary Attributes: 400V, 90W output
• Secondary Attributes: 90 ~ 265 VAC universal input
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

5.15
14
Eq. #
10
11
1
2
3
4
5
6
7
8
9
Summary of Equations
Maximum Response Time for Brownout:
Output Power w/ recommended values
P
L
T
o
Auxiliary Winding Cut-off Frequency
P
B
Brownout
o
=
=
=
V
 
 
Output IFB Sense Resistor
Input IAC Sense Resistor
 
R

Overvoltage Protection

link rip
IFB

Boost Inductor Peak Current
Boost Inductor RMS Current

=


I
Boost Inductor
LB pk
f
Output Power


=
c

V
90Vrms
8 ms
I
90Vrms

LB rms


V
OVP
=
V
---------------------------- -
V
=
link
link

in min
1

R
----------------------------------------------------------------------- -
2 f

+
I
=

Equation
ref
=
Voltage Ripple
IAC
–

8 ms
----------- - 128 V V

2 R3 R4
5 V
------------------------------------------- -
 V


V


R
=
2

2
DD


2
IFB
line min

=

----------------------------- -
V


400V
------------------------------------------------------------ -
2 70kHz P
in min
400V
------------------------------------------------------------ -
4
2 70kHz
R
in min

V
-------------------------------------------------------- -

(page
=


2

(page
IFB



link
P
I

OVP
P
400V V
------------------------------ -
P
O

f
O

O
–


–
max
–
–
(
129A
C



page
(page
10)
V


+
90Vrms
10)
(page

V
90Vrms
p
link
BP th
–
V
in min


2


DD


L
12)

DD
L
o
(page
B
11)
(page

C
B
11)


(page



out
+

V

400V

400V
56 ms
link
11)
2
2
2
10)


12)

P

V
V
f
L

R
R
I
f
C
V
C
f
V
V
I
max
ref
c
line(min)
OVP
B
in(min)
o
link
IAC
IFB
p
BP(th)
out
DD
OVP
Variables/Recommended Values
Rated output power of the system.
Efficiency of the boost converter (estimated as
100% by the PFC algorithm).
Minimum
measured after the rectifier and EMI filter.
Nominal PFC output voltage must be 400V.
Maximum switching frequency is 70kHz.
Boost inductor specified by rated power
requirement.
Margin factor to guarantee rated output power
(P
Value of the IAC pin sense resistor(s).
Value of the IFB pin sense resistor(s).
Value of the fixed, internal reference current.
The cut-off frequency, f
ringing frequency or f
Capacitance at the ZCD pin. C
Brownout threshold voltage. V
Value of the output capacitor in microfarads.
Minimum line frequency.
IC Supply Voltage.
OVP threshold.
Current into the IFB pin.
o
) against boost inductor tolerances.
RMS
line
c
= 10MHz.
c
, needs to be 10x the
voltage
BP(th)
p
<10pF.
is
DS927PP6
= 94.8V.
90Vrms,