CDB1601-120W-Z Cirrus Logic Inc, CDB1601-120W-Z Datasheet - Page 14
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CDB1601-120W-Z
Manufacturer Part Number
CDB1601-120W-Z
Description
High-efficiency PFC Demo. Board
Manufacturer
Cirrus Logic Inc
Series
-r
Datasheets
1.CDB150X-01-Z.pdf
(2 pages)
2.CDB1601-120W-Z.pdf
(24 pages)
3.CDB1601-120W-Z.pdf
(16 pages)
Specifications of CDB1601-120W-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
Featured Product
CS1501/CS1601 Power Factor Correction IC Controllers
Main Purpose
Power Management, Power Factor Correction
Embedded
No
Utilized Ic / Part
CS1601
Primary Attributes
108 ~ 305 VAC Input, 460V 120W Output
Secondary Attributes
Ballast Control, Up to 2 T5 Lamps
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
–
–
(
129A
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
12)
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
DS931PP6
= 94.8V.
90Vrms,