FAN6961SZ Fairchild Semiconductor, FAN6961SZ Datasheet

IC PFC CONTROLLER DCM 8SOP

FAN6961SZ

Manufacturer Part Number
FAN6961SZ
Description
IC PFC CONTROLLER DCM 8SOP
Manufacturer
Fairchild Semiconductor
Datasheet

Specifications of FAN6961SZ

Mode
Discontinuous Conduction (DCM)
Frequency - Switching
60kHz
Current - Startup
10µA
Voltage - Supply
13.5 V ~ 24.5 V
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
8-SOIC (3.9mm Width)
Maximum Operating Temperature
+ 125 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
FAN6961SZTR

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© 2009 Fairchild Semiconductor Corporation
FAN6961 • Rev. 1.0.3
FAN6961
Boundary Mode PFC Controller
Features
Applications
Ordering Information
FAN6961SZ
FAN6961DZ
FAN6961SY
Number
For Fairchild’s definition of Eco Status, please visit: http://www.fairchildsemi.com/company/green/rohs_green.html.
Boundary Mode PFC Controller
Low Input Current THD
Controlled On-Time PWM
Zero-Current Detection
Cycle-by-Cycle Current Limiting
Leading-Edge Blanking instead of RC Filtering
Low Startup Current: 10µA Typical
Low Operating Current: 4.5mA Typical
Feedback Open-Loop Protection
Programmable Maximum On-Time (MOT)
Output Over-Voltage Clamping Protection
Clamped Gate Output Voltage 16.5V
Electric Lamp Ballasts
AC-DC Switching Mode Power Converter
Open Frame Power Supplies and Power Adapters
Flyback Power Converters with ZCS / ZVS
Part
Temperature Range
-40°C to +125°C
-40°C to +125°C
-40°C to +125°C
Operating
8-Pin, Small Outline Package (SOP)
8-Pin, Dual In-line Package (DIP)
8-Pin, Small Outline Package (SOP)
Package
Description
The FAN6961 is an 8-pin, boundary-mode, PFC
controller
regulators. The FAN6961 provides a controlled on-time
to regulate the output DC voltage and achieve natural
power factor correction. The maximum on-time of the
external switch is programmable to ensure safe
operation during AC brownouts. An innovative multi-
vector error amplifier is built in to provide rapid transient
response and precise output voltage clamping. A built-
in circuit disables the controller if the output feedback
loop is opened. The startup current is lower than 20µA
and the operating current has been reduced to under
6mA. The supply voltage can be up to 25V, maximizing
application flexibility.
IC
intended
Eco Status
Green
RoHS
RoHS
for
controlling
Tape & Reel
Tape & Reel
June 2009
www.fairchildsemi.com
Packing
Method
PFC
Tube
pre-

Related parts for FAN6961SZ

FAN6961SZ Summary of contents

Page 1

... Open Frame Power Supplies and Power Adapters Flyback Power Converters with ZCS / ZVS Ordering Information Part Operating Number Temperature Range FAN6961SZ -40°C to +125°C FAN6961DZ -40°C to +125°C FAN6961SY -40°C to +125°C For Fairchild’s definition of Eco Status, please visit: http://www.fairchildsemi.com/company/green/rohs_green.html. ...

Page 2

... Application Diagram Block Diagram © 2009 Fairchild Semiconductor Corporation FAN6961 • Rev. 1.0.3 Figure 1. Typical Application Figure 2. Function Block Diagram 2 www.fairchildsemi.com ...

Page 3

... Driver Output. Totem-pole driver output to drive the external power MOSFET. The clamped 7 GATE gate output voltage is 16.5V. 8 VCC Power Supply. Driver and control circuit supply voltage. © 2009 Fairchild Semiconductor Corporation FAN6961 • Rev. 1.0.3 F- Fairchild Logo Z- Plant Code X- Year Code Y- Week Code TT: Die Run Code ...

Page 4

... 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 © 2009 Fairchild Semiconductor Corporation FAN6961 • Rev. 1.0.3 Parameter Parameter 4 Min. Max. ...

Page 5

... Output Voltage Maximum (Clamp) Z OUT V Output Voltage Low OL V Output Voltage High OH t Rising Time R t Falling Time F © 2009 Fairchild Semiconductor Corporation FAN6961 • Rev. 1.0.3 = -40°C to 125°C. Current is defined as positive into the device and J Conditions V =V – 0.16V CC CC-ON V =12V, V =0V ...

Page 6

... Disable Function Debounce Time ZCD-DIS Maximum On Time Section V Maximum On Time Voltage MOT Maximum On Time Programming t ON-MAX (Resistor Based) © 2009 Fairchild Semiconductor Corporation FAN6961 • Rev. 1.0.3 =-40°C to 125°C. Current is defined as positive into the device and negative J Conditions V Increasing ZCD V Decreasing ...

Page 7

... Temperature (℃) Figure 7. t ON-MAX 10.5 10.1 9.7 9.3 8.9 8.5 -40 -25 - Temperature (℃) Figure 9. V th-OFF © 2009 Fairchild Semiconductor Corporation FAN6961 • Rev. 1.0.3 3.0 2.4 1.8 1.2 0.6 0 110 125 -40 -25 -10 vs 14.0 13.4 12.8 12.2 11.6 11 ...

Page 8

... Temperature (℃) Figure 11. V MOT 0.87 0.85 0.83 0.81 0.79 0.77 -40 -25 - Temperature (℃) Figure 13 © 2009 Fairchild Semiconductor Corporation FAN6961 • Rev. 1.0.3 (Continued) 18.0 17.4 16.8 16.2 15.6 15 110 125 vs 110 125 vs -40 -25 -10 5 ...

Page 9

... A high voltage in CS pin terminates a switching cycle immediately and cycle-by-cycle current limit is achieved. The designed threshold of the protection point is 0.82V. © 2009 Fairchild Semiconductor Corporation FAN6961 • Rev. 1.0.3 Leading-Edge Blanking (LEB) A turn-on spike on CS pin appears when the power MOSFET is switched on ...

Page 10

... Reference Circuit © 2009 Fairchild Semiconductor Corporation FAN6961 • Rev. 1.0.3 Figure 14. Reference Circuit 10 www.fairchildsemi.com ...

Page 11

... 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 12

... 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 13

... Fairchild Semiconductor Corporation FAN6961 • Rev. 1.0.3 13 www.fairchildsemi.com ...

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