FAN7527BMX Fairchild Semiconductor, FAN7527BMX Datasheet
FAN7527BMX
Specifications of FAN7527BMX
FAN7527BMX_NL
FAN7527BMX_NLTR
FAN7527BMX_NLTR
Available stocks
Related parts for FAN7527BMX
FAN7527BMX Summary of contents
Page 1
... Low start-up and operating current • 8-Pin DIP or 8-Pin SOP Applications • Electronic ballast • SMPS ©2003 Fairchild Semiconductor Corporation www.fairchildsemi.com Description The FAN7527B provides simple and high performance active power factor correction. The FAN7527B is optimized for electronic ballasts and low power and high density power supplies which require minimum board size, reduced external components and low power dissipation ...
Page 2
FAN7527B Internal Block Diagram Vcc 8 11.5V 5 Idet 7.2V 2V 1.5V 40k CS 4 8pF 1.8V Vm1 MULT 3. UVLO 8.5V Zero Current Detector Current Sense Comparator Vref Vmo 0.25V Multiplier Vmo Vm 1 ...
Page 3
PIN Description EA_OUT MULT Pin Number Pin Name 1 INV 2 EA_OUT 3 MULT ldet 6 GND 7 OUT 8 Vcc 1 INV (Top View) Inverting input of the error amplifier. the output ...
Page 4
FAN7527B Absolute Maximum Ratings (Ta=25 C) Characteristics Supply voltage Peak drive output current Driver output clamping diodes Vo > Vcc or Vo < -0.3V Detector clamping diodes Error amp, multiplier and comparator input voltages Operating junction temperature Operating temperature range ...
Page 5
Electrical Characteristics V = 14V, - 125 C, unless otherwise stated. CC Characteristics < UNDER VOLTAGE LOCKOUT SECTION> Start threshold voltage UVLO hysteresis < SUPPLY CURRENT SECTION > Start-up supply current Operating supply current Operating current at OVP ...
Page 6
FAN7527B Electrical Characteristics V = 14V, - 125 C, unless otherwise stated. CC Characteristics < CURRENT SENSE SECTION> Input offset voltage (Note8) Input bias current Current sense delay to output (Note11) < ZERO CURRENT DETECT SECTION > Input ...
Page 7
FAN7527B Typical Performance Characteristics Fig.1 E.A. Output Voltage vs. C.S. Threshold 2.0 Vm1=3.0V Vm1=2.5V Vm1=2.0V Vm1=3.5V 1.5 Vm1=4.0V 1.0 0.5 0.0 2.0 2.5 3.0 3.5 EA Output Voltage(V) Figure 1. Error Amplifier Output Voltage vs Current Sensing Threshold Fig.3 Supply ...
Page 8
FAN7527B Typical Performance Characteristics Fig.7 Start-up Supply Current vs. Temperature 100 - Temperature ( ) Figure 7. Start-Up Supply Current vs Temperature Fig.9 E.A. Sink Current vs. ...
Page 9
Typical Performance Characteristics Fig.13 Idet Input Hysteresis vs. Temperature 1.0 0.8 0.6 0.4 0.2 0.0 - Temperature ( ) Figure 13. ldet Input Hysteresis vs Temperature Fig.15 Max. Mult. Output Voltage vs. temperature 2.0 1.6 1.2 0.8 ...
Page 10
FAN7527B Mechanical Dimensions Package 6.40 0.20 0.252 0.008 #1 #4 7.62 0.300 10 8-DIP #8 #5 5.08 MAX 0.200 3.40 0.20 0.134 0.008 Dimensions in millimeters 3.30 0.30 0.130 0.012 0.33 MIN 0.013 ...
Page 11
Mechanical Dimensions Package Symbol Min 0.10 A2 1.25 B 0.35 C 0.19 D 4. 5.79 h 0. aaa - bbb - (Continued) 8-SOP Nom Max - 1.75 0.15 ...
Page 12
... FAN7527BM 8-SOP DISCLAIMER FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN; NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS. ...