FAN4802LNY Fairchild Semiconductor, FAN4802LNY Datasheet

IC PFC CTRLR AVERAGE CURR 16DIP

FAN4802LNY

Manufacturer Part Number
FAN4802LNY
Description
IC PFC CTRLR AVERAGE CURR 16DIP
Manufacturer
Fairchild Semiconductor
Datasheets

Specifications of FAN4802LNY

Mode
Average Current
Frequency - Switching
64kHz
Current - Startup
30µA
Voltage - Supply
11 V ~ 22 V
Operating Temperature
-40°C ~ 105°C
Mounting Type
Through Hole
Package / Case
16-DIP (0.300", 7.62mm)
Operating Temperature (max)
105C
Operating Temperature (min)
-40C
Pin Count
16
Mounting
Through Hole
Screening Level
Industrial
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
© 2008 Fairchild Semiconductor Corporation
FAN4800A/C, FAN4801/02/02L • Rev. 1.0.3
FAN4800A/C, FAN4801/02/02L
PFC/PWM Controller Combination
Features
Applications
Pin-to-Pin Compatible with ML4800 and FAN4800
and CM6800 and CM6800A
PWM Configurable for Current-Mode or
Feed-forward Voltage-Mode Operation
Internally Synchronized Leading-Edge PFC and
Trailing-Edge PWM in one IC
Low Operating Current
Innovative Switching-Charge Multiplier Divider
Average-Current-Mode for Input-Current Shaping
PFC Over-Voltage and Under-Voltage Protections
PFC Feedback Open-Loop Protection
Peak Current Limiting for PFC
Cycle-by-Cycle Current Limiting for PWM
Power-On Sequence Control and Soft-Start
Brownout Protection
Interleaved PFC/PWM Switching
FAN4801/02/02L Improve Efficiency at Light Load
f
f
FAN4802/02L
Desktop PC Power Supply
Internet Server Power Supply
LCD TV, Monitor Power Supply
UPS
Battery Charger
DC Motor Power Supply
Monitor Power Supply
Telecom System Power Supply
Distributed Power
RTCT
RTCT
=4•f
=4•f
PFC
PFC
=4•f
=2•f
PWM
PWM
for FAN4800A and FAN4801
for FAN4800C and
1
Description
The highly integrated FAN4800A/C and FAN4801/02/2L
are specially designed for power supplies that consist of
boost PFC and PWM. They require very few external
components
compensation. They are available in 16-pin DIP and
SOP packages.
The PWM can be used in either current or voltage
mode. In voltage mode, feed-forward from the PFC
output bus can reduce the secondary output ripple.
Compared
FAN4800, FAN4800A/C and FAN4801/02/02L have
lower operation current that save power consumption in
external devices. FAN4800A/C and FAN4801/1S/2/2L
have accurate 49.9% maximum duty of PWM that
makes the hold-up time longer. Brownout protection and
PFC soft-start functions are not in ML4800 and
FAN4800.
To evaluate FAN4800A/C, FAN4801/02/2L for replacing
existing FAN4800 and ML4800 boards, five things must
be completed before the fine-tuning procedure:
1.
2.
3.
4.
5.
Related Resources
Change R
resister: between 6M to 8M.
Change RT/CT pin from the existing values to
R
f
VRMS pin needs to be 1.224V at V
universal input application from line input from
85V
FAN4801/02/02L don’t need to substantially slower
than FAN4800; about 5 to 10 times.
At full load, the average V
ripple on the V
Soft-Start pin, the soft-start current has been
reduced to half from the FAN4800 capacitor.
AN-8027 - FAN480X PFC+PWM Combination
Controller Application
PWM
T
=6.8K and C
AC
=64KHz.
to 270 V
with
AC
to
resister from the old value to a higher
EA
older
achieve
needs to be less than 400mV.
AC
T
=1000pF to have f
. Both poles for the V
productions,
EA
versatile
needs to ~4.5V and the
January 2011
protections
ML4800
IN
www.fairchildsemi.com
=85 V
PFC
=64KHz,
rms
AC
and
for
of
/

Related parts for FAN4802LNY

FAN4802LNY Summary of contents

Page 1

... Monitor Power Supply  Telecom System Power Supply  Distributed Power © 2008 Fairchild Semiconductor Corporation FAN4800A/C, FAN4801/02/02L • Rev. 1.0.3 Description The highly integrated FAN4800A/C and FAN4801/02/2L are specially designed for power supplies that consist of boost PFC and PWM. They require very few external ...

Page 2

... Part Number PFC:PWM Frequency Ratio FAN4800ANY FAN4800AMY FAN4800CNY FAN4800CMY FAN4801NY FAN4802NY FAN4802LNY FAN4801MY FAN4802MY FAN4802LMY © 2008 Fairchild Semiconductor Corporation FAN4800A/C, FAN4801/02/02L • Rev. 1.0.3 Package 16-Pin Dual In-Line Package (DIP) 16-Pin Dual In-Line Package (DIP) 16-Pin Small Outline Package (SOP) ...

Page 3

... Application Diagram V REF Secondary © 2008 Fairchild Semiconductor Corporation FAN4800A/C, FAN4801/02/02L • Rev. 1.0.3 VEA IEA FBPFC IAC ISENSE VREF VRMS VDD SS OPFC FBPWM OPWM RT/CT GND RAMP ILIMIT FAN4800A/C FAN4801/02/02L Figure 1. Typical Application Current Mode www.fairchildsemi.com ...

Page 4

... Application Diagram V REF Secondary © 2008 Fairchild Semiconductor Corporation FAN4800A/C, FAN4801/02/02L • Rev. 1.0.3 VEA IEA FBPFC IAC ISENSE VREF VRMS VDD SS OPFC FBPWM OPWM RT/CT GND RAMP ILIMIT FAN4800A/C FAN4801/02/02L V REF Figure 2. Typical Application Voltage Mode www.fairchildsemi.com ...

Page 5

... Block Diagram Figure 4. FAN4801/02/02L Function Block Diagram © 2008 Fairchild Semiconductor Corporation FAN4800A/C, FAN4801/02/02L • Rev. 1.0.3 Figure 3. FAN4800A/C Function Block Diagram 5 www.fairchildsemi.com ...

Page 6

... Marking Information © 2008 Fairchild Semiconductor Corporation FAN4800A/C, FAN4801/02/02L • Rev. 1.0.3 – Fairchild Logo F Z – Plant Code X – 1-Digit Year Code Y – 2-Digit Week Code TT – 2-Digit Die-Run Code T – Package Type (M:SOP) P – Y: Green Package M – Manufacture Flow Code Figure 5. DIP Top Mark – ...

Page 7

... PFC error amplifier. This pin is connected to the PFC output through a divider network. Output of PFC Voltage Amplifier. The error amplifier output for PFC voltage feedback loop. 16 VEA A compensation network is connected between this pin and ground. © 2008 Fairchild Semiconductor Corporation FAN4800A/C, FAN4801/02/02L • Rev. 1.0.3 Figure 7. Pin Configuration (Top View) Description 7 and C ...

Page 8

... The Recommended Operating Conditions table defines the conditions for actual device operation. Recommended operating conditions are specified to ensure optimal performance to the datasheet specifications. Fairchild does not recommend exceeding them or designing to Absolute Maximum Ratings. Symbol T Operating Ambient Temperature A © 2008 Fairchild Semiconductor Corporation FAN4800A/C, FAN4801/02/02L • Rev. 1.0.3 Parameter < 50°C A DIP SOP ...

Page 9

... Voltage OFF OPFC EAOFF Comparator IN Voltage Level on FBPFC V to Enable OPWM During RD-FBPFC Startup V Hysteresis RD-FBPFC © 2008 Fairchild Semiconductor Corporation FAN4800A/C, FAN4801/02/02L • Rev. 1.0.3 =1000pF unless noted operating specifications. T Conditions V =V -0.1V; OPFC OPWM Open DD TH-ON V =13V; OPFC OPWM Open DD R =6.8kΩ ...

Page 10

... AC (4) GAIN GAIN Modulator (3) BW Bandwidth Output Voltage=5.7kΩ × V (3) o(gm SENSE OFFSET © 2008 Fairchild Semiconductor Corporation FAN4800A/C, FAN4801/02/02L • Rev. 1.0.3 (Continued) =1000pF unless noted operating specifications. T Conditions (3) at T=25° =3.75V at T=25°C NONINV INV VEA V =2V ...

Page 11

... RMS AC Voltage Low RMS-L V RMS AC Voltage High RMS-H V VEA Low EA-L V VEA High EA-H I Two-Level Current tc © 2008 Fairchild Semiconductor Corporation FAN4800A/C, FAN4801/02/02L • Rev. 1.0.3 (Continued) =1000pF unless noted operating specifications. T Conditions I =17.67µA, V =1.08V AC RMS V =2.25V, at T=25°C FBPFC ...

Page 12

... PWM Comparator Level Shift PWM-LS Notes: 3. This parameter, although guaranteed by design, is not 100% production tested Gain=K × 5.3 × (V )-1; K=(I RMS © 2008 Fairchild Semiconductor Corporation FAN4800A/C, FAN4801/02/02L • Rev. 1.0.3 (Continued) =1000pF unless noted operating specifications. T Conditions =22V DD V =15V; I ...

Page 13

... Figure 14. f vs. Temperature OSC-FAN4802/2L © 2008 Fairchild Semiconductor Corporation FAN4800A/C, FAN4801/02/02L • Rev. 1.0.3 2.96 2.94 2.92 2.90 2.88 2.86 2.84 2.82 2.80 2.78 -40℃ ...

Page 14

... Figure 22. V vs. Temperature RD-FBPFC © 2008 Fairchild Semiconductor Corporation FAN4800A/C, FAN4801/02/02L • Rev. 1.0 -40℃ -25℃ -10℃ 5℃ 20℃ 35℃ ...

Page 15

... Figure 30. V vs. Temperature PFC-ILIMIT © 2008 Fairchild Semiconductor Corporation FAN4800A/C, FAN4801/02/02L • Rev. 1.0 -40℃ -25℃ Figure 25 ...

Page 16

... Figure 38. V vs. Temperature EA-L © 2008 Fairchild Semiconductor Corporation FAN4800A/C, FAN4801/02/02L • Rev. 1.0.3 10.1 10.0 9.9 9.8 9.7 9.6 9.5 9.4 9 ...

Page 17

... Figure 44. I vs. Temperature tc © 2008 Fairchild Semiconductor Corporation FAN4800A/C, FAN4801/02/02L • Rev. 1.0.3 14.4 14.3 14.2 14.1 14.0 13.9 13.8 13.7 13.6 -40℃ ...

Page 18

... PFC from the power line. The general form of the output of the gain modulator is: © 2008 Fairchild Semiconductor Corporation FAN4800A/C, FAN4801/02/02L • Rev. 1.0.3 I GAINMOD Note that the output current of the gain modulator is limited around 159μ ...

Page 19

... FAN4802L FAN4801/1S/2, such that the VRMS is less than 0.9V. © 2008 Fairchild Semiconductor Corporation FAN4800A/C, FAN4801/02/02L • Rev. 1.0.3 Error Amplifier Compensation The PWM loading of the PFC can be modeled as a negative resistor because an increase in the input voltage to the PWM causes a decrease in the input current ...

Page 20

... © 2008 Fairchild Semiconductor Corporation FAN4800A/C, FAN4801/02/02L • Rev. 1.0.3 Pulse Width Modulator (PWM) The operation of the PWM section is straightforward, but there are several points that should be noted. Foremost among these is the inherent synchronization of PWM with the PFC section of the device, from which it also derives its basic timing ...

Page 21

... FAN4800A/C, FAN4801/02/02L system. The bootstrap winding can be taped from the PFC boost choke or the transformer of the DC-to-DC stage. © 2008 Fairchild Semiconductor Corporation FAN4800A/C, FAN4801/02/02L • Rev. 1.0.3 Leading/Trailing Modulation Conventional PWM techniques employ trailing-edge modulation, in which the switch turns on right after the trailing edge of the system clock ...

Page 22

... Package drawings are provided as a service to customers considering Fairchild components. Drawings may change in any manner without notice. Please note the revision and/or date on the drawing and contact a Fairchild Semiconductor representative to verify or obtain the most recent revision. Package specifications do not expand the terms of Fairchild’s worldwide terms and conditions, specifically the warranty therein, which covers Fairchild products. Always visit Fairchild Semiconductor’ ...

Page 23

... Package drawings are provided as a service to customers considering Fairchild components. Drawings may change in any manner without notice. Please note the revision and/or date on the drawing and contact a Fairchild Semiconductor representative to verify or obtain the most recent revision. Package specifications do not expand the terms of Fairchild’s worldwide terms and conditions, specifically the warranty therein, which covers Fairchild products. Always visit Fairchild Semiconductor’ ...

Page 24

... Fairchild Semiconductor Corporation FAN4800A/C, FAN4801/02/02L • Rev. 1.0.3 24 www.fairchildsemi.com ...

Related keywords