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Datasheet CM6565 PDF ( 特性, スペック, ピン接続図 )

部品番号 CM6565
部品説明 Noise Free 16 pin Self-Start Interleaved PFC
メーカ Champion Microelectronic
ロゴ Champion Microelectronic ロゴ 
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CM6565 Datasheet, CM6565 PDF,ピン配置, 機能
CM6565
Noise Free 16 pin Self-Start Interleaved PFC with
180 Degree Phase Shift CRM PFC Controller for 90+/85+
GENERAL DESCRIPTION
The CM6565 is the industry first 16 pin self-start interleaved ‹
PFC with 180 degree phase shift CRM PFC controller for
total power supply system efficiency greater 90% or 85%. ‹
The CM6565 is like a combination of two 180 degree ‹
phase shift CM6561s plus a lot of light load efficiency boost ‹
functions. CM6565 gives the best noise free performance of ‹
the offline power supply. The desired frequency range for ‹
each PFC controller should be above 35KHz.
‹
‹
Mismatches between two boost converters for the ‹
interleaved PFC can be less than +/-5%.
Basically, it is like two 6561s work together with 180 ‹
degree phase shift plus light load improvements.
‹
1. IAC (pin 1), Multiplier input pin: Current input instead of
Voltage input; it will enhance input current THD and the ‹
system will be less sensitive to the noise. The system can
reduce one resistor between ground and IAC, multiplier ‹
input pin.
2. IAC (pin 1), Multiplier input pin: During the start up ‹
condition (the VCC is less than UVLO, 13V), IAC is ‹
connected to VCC, and the RAC resistor (between VIN pin
and IAC pin) serves as a bleed resistor. Once the VCC is ‹
greater than UVLO, then, RAC resistor provides the sine
wave current from VIN pin to IAC pin. After VCC is greater ‹
than UVLO, the voltage of the IAC pin is around 1.4V.
Therefore, the RAC resistor can be served as a bleed ‹
resistor. Usually, the value of the RAC is from 4Mega to ‹
10Meg ohm.
‹
3. IAC (pin 1), Multiplier input pin: During the start up, if the
system turn-on time needs to be fast, an external high ‹
voltage bipolar and a diode can be added for VCC during ‹
the start-up, once VCC is greater than UVLO, 15V, IAC pin ‹
will go low and turn off the high voltage bipolar.
‹
4. For the fast load transient and line transient, a ‹
transconductance error amplifier has been implemented ‹
between the output pin VEAO and the input pin VFB to
replace the conventional OP. Since transconductance ‹
amplifier does not need the local feed back (OP needs the
local feedback); therefore, its VFB can fast and accurately
sense OVP condition not like traditional OP, operational
amplifier can not sense VFB for OVP.
FEATURES
Patent Filed #5,565,761, #5,747,977, #5,742,151,
#5,804,950, #5,798,635, #6,091,233
Industry first interleaved PFC with 180 phase shift
CCM for EMI filter but CRM for PFC boost diodes
Due to ZCS and about ZVS, it is about noise free
Design for LCD TV or 90+ power supply
Critical Conduction Mode (CRM) = ZCS with about ZVS
Current input multiplier, IAC (Patented)
For 90+ system, an LLC or SRC should be the PWM
For 85+ system, an Dual Forward or a half bridge should be
the PWM
At light load, PFC bulk will drop ~ 40V at low line and Slave
PFC will be disabled (Patented)
PGB pin also can be used to turn on the CM6900/CM6901
which is LLC/SRC controller for 90+ applications
VRMS does not need high voltage resistor; IAC determines
VRMS1 and VRMS2
AC Brown out by comparing VRMS2 with 1.25V on and
1.0V off
No bleed resistor during the start up (Patented)
Can ON-OFF high voltage bipolar during the system start
up (Patented)
500mV Current Limit and about 130uS Current Loop Open
time out protection
Precision output over voltage protection comparator with
2.75V threshold which is 10% increased from 2.5V.
GM for Fast line and load transient response (Patented)
Soft Start pin at pin 6
Open control loop protection/Tri-Fault Detect Comparator
for UL1950 (Patented)
16.5V 50mA Shunt Regulator at VCC
Micro power start-up current (60uA Typ.)
Very low operating supply current (1.5mA Typ.)
Internal start up timer
1% precision 3mA Buffered 7.5V reference
Totem pole driver output current: 30ohm (VCC=15V)
sourcing current and 15 ohm (VCC=15V) sink current
16-Pin DIP/SOIC packages
2008/10/09 Rev1.0
Champion Microelectronic Corporation
Page 1

1 Page



CM6565 pdf, ピン配列
CM6565
Noise Free 16 pin Self-Start Interleaved PFC with
180 Degree Phase Shift CRM PFC Controller for 90+/85+
PIN DESCRIPTION
Pin No. Symbol
1 IAC
1 IAC
Description
During Normal Operation:
Multiplier input, it provides the information of line input
voltage.
It only needs one resistor (RAC) connected between line input
and IAC pin. The value of RAC typically is between 4 Mega
ohm to 10 Mega ohm
Operating Voltage
Min.
Typ.
Max.
1.4
Unit
V
During the System Start up:
RAC serves as a bleed resistor for VCC pin
0 VCC+1V V
2 ZCDmaster Master PFC Zero current detection input. The threshold of the -0.3
pin is 80mV. When ZCDmaster is greater than ~ 80mV,
PFCOUT (master) may go high. When ZCDmaster is less
than ~ 80mV, PFCOUT (master) is low.
0.7 V
3 PG THL
4 Vrms1
5 Vrms2
6 SS
7 PGB
PG THL is an input I/O. The user can program the Low
Threshold of the Power Good which can determine the
comparator output of PGB (open drain) to be pulled high.
AC Brown out input.
It mirrors the IAC (pin1) current to Vrm1 and Vrms1 uses it
with Rrms1 and Crms1 to generate the first pole; then it uses
the second RC pole to interface with Vrms2 (pin5). AC brown
out uses the Vrms1 to determine brown out point. Its
threshold is 3V with 1V hysteresis.
0.75
0
Gain Modulator/Multiplier Vrms input. The value of Vrms2
should be 50% of Vrms1 average value.
PFC Soft Start pin: It supplies ~ 8uA to SS pin. It provides a
close-loop soft start function during power supply start up.
PFC Soft Start function can just need a simple capacitor to
ground and it can be around 1uF.
0
0
PGB is the PG comparator output. The input of PGB
comparator is using Vfb (pin 15) to compare with the high
threshold, 2.365V (preset internally) and the low threshold,
PGTHL (pin 3, Set by user).
When 380V is ready, pin 7 is open-drain and it will be pulled
low.
0
2.3 V
5V
5V
VCC
V
VCC
V
2008/10/09 Rev1.0
Champion Microelectronic Corporation
Page 3


3Pages


CM6565 電子部品, 半導体
CM6565
Noise Free 16 pin Self-Start Interleaved PFC with
180 Degree Phase Shift CRM PFC Controller for 90+/85+
ABSOLUTE MAXIMUM RATINGS
Absolute Maximum ratings are those values beyond which the device could be permanently damaged.
VCC MAX
IAC (after start up)
Parameter
PFC OUT(Master) and PFC OUT (Slave)
VEAO
Voltage on Any Other Pin
ICC Current (Average)
Iac Input Current
Iref
Current Sense Input (ISENSEmaster and ISENSEslave)
Zero Current Detector (ZCDmaster and PGTHL) (Source)
Zero Current Detector (ZCDmaster and PGTHL) (Sink)
Junction Temperature
Storage Temperature Range
Operating Temperature Range
Lead Temperature (Soldering, 10 sec)
Thermal Resistance (θJA)
PDIP-016
SOP-016
Min.
GND-0.3
GND – 0.3
GND-0.3
GND – 0.3
-0.3
-40
-65
-40
Max.
20
VCC
VCC + 0.3
6.3
8
100
200
5
6
0.1
-0.1
150
150
125
260
80
150
Units
V
V
V
V
V
mA
uA
mA
V
mA
mA
/W
2008/10/09 Rev1.0
Champion Microelectronic Corporation
Page 6

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