SG6980DZ Fairchild Semiconductor, SG6980DZ Datasheet

no-image

SG6980DZ

Manufacturer Part Number
SG6980DZ
Description
IC PFC CTRLR AVERAGE CURR 16DIP
Manufacturer
Fairchild Semiconductor
Datasheets

Specifications of SG6980DZ

Mode
Average Current
Frequency - Switching
65kHz
Current - Startup
10µA
Voltage - Supply
12.5 V ~ 20 V
Operating Temperature
-20°C ~ 125°C
Mounting Type
Through Hole
Package / Case
16-DIP (0.300", 7.62mm)
Output Voltage
0.3 V to 25 V
Switching Frequency
68 KHz
Operating Temperature Range
- 20 C to + 125 C
Mounting Style
Through Hole
Duty Cycle (max)
98 %
Lead Free Status / RoHS Status
Lead free / RoHS Compliant

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
SG6980DZ
Manufacturer:
SG
Quantity:
20 000
Single-Stage PFC Controller
FEATURES OVERVIEW
APPLICATIONS
© System General Corp.
Version 1.0.1 (IAO33.0064.B0)
TYPICAL APPLICATION
Innovative switching-charge multiplier divider
Multi-vector control for improved PFC output
transient response
1:1 Synchronous switching with SYNC
Average current mode control
Remote on/off control
Power-on sequence control
Programmable PFC output-voltage control
Cycle-by-cycle current limiting
Over-voltage and under-voltage protections
Brownout and open-loop protections
Low start-up and operating current
Active-PFC switching power supplies
TV and home appliances
Computer and telecom
- 1 -
SG6980
DESCRIPTION
The highly integrated SG6980 is designed for power
supplies with boost power-factor-correction (PFC).
It requires very few external components to achieve
desirable operation and includes versatile protections /
compensation. It is available in 16-pin DIP and SOP
packages. The innovative switching-charge multiplier
divider enhances the PFC circuit’s noise immunity. The
proprietary multi-vector control scheme provides a fast
transient response in a low-bandwidth PFC loop, in which
the overshoot and undershoot of the PFC voltage are
clamped. If the feedback loop is broken, SG6980 shuts off
to prevent extra-high voltage on output. The PFC gate
driver can be synchronized with external SYNC signal
and the switching noise can be reduced. During start-up,
the RDY (ready) is pulled low until the PFC output
voltage reaches the setting level. This signal can be used
to control the second forward stage for proper power-on
sequence. In addition, SG6980 provides complete
protection functions, such as brownout and RI open/short.
www.sg.com.tw • www.fairchildsemi.com
Product Specification
September 17, 2007
SG6980

Related parts for SG6980DZ

SG6980DZ Summary of contents

Page 1

Single-Stage PFC Controller FEATURES OVERVIEW „ Innovative switching-charge multiplier divider „ Multi-vector control for improved PFC output transient response „ 1:1 Synchronous switching with SYNC „ Average current mode control „ Remote on/off control „ Power-on sequence control „ Programmable ...

Page 2

... Single-Stage PFC Controller MARKING DIAGRAMS DIP S=SOP SG6980TP P: XXXXXXXX: Wafer Lot XXXXXXXYWWV Y: Year; WW: Week V: Assembly Location ORDERING INFORMATION Part Number Pb-Free Package SG6980DZ SG6980SZ © System General Corp. Version 1.0.1 (IAO33.0064.B0 Lead Free 16-Pin DIP 16-Pin SOP - 2 - Product Specification SG6980 PIN CONFIGURATION IAC ...

Page 3

Single-Stage PFC Controller PIN DESCRIPTIONS Name Pin Type VRMS 1 Line-Voltage Detection Over-Temperature OTP 2 Protection RI 3 Oscillator Setting IEA 4 Current Amplifier Output Inverting Input for PFC IPFC 5 Current Amplifier Non-inverting Input for IMP 6 PFC Current ...

Page 4

Single-Stage PFC Controller BLOCK DIAGRAM © System General Corp. Version 1.0.1 (IAO33.0064.B0 www.sg.com.tw • www.fairchildsemi.com Product Specification SG6980 September 17, 2007 ...

Page 5

Single-Stage PFC Controller ABSOLUTE MAXIMUM RATING Symbol Parameter V DC Supply Voltage* VDD I Input AC Current AC V OUT, SYNC, ON/OFF, RDY High V Others Low Power Dissipation Operating Junction Temperature J T Operating Ambient Temperature ...

Page 6

Single-Stage PFC Controller V for UVP and RDY RMS Symbol Parameter RMS AC Voltage Under-Voltage Threshold V RMS-UVP-1 (with T Delay) UVP V Recovery Level on VRMS for UVP Mode RMS-UVP-2 Under-Voltage Protection Propagation t UVP Delay Time (No Delay ...

Page 7

Single-Stage PFC Controller Peak Current Limit Symbol Parameter I Constant Current Output P Peak Current Limit Threshold Voltage V PK Cycle-by-Cycle Limit (V sense t Propagation Delay PD-PFC t Leading-Edge Blanking Time LEB-PFC Multiplier Symbol Parameter I Input AC Current ...

Page 8

Single-Stage PFC Controller SYNC Section Symbol Parameter V Synchronizing Signal High Threshold SYNC-HIGH V Synchronizing Signal Low Threshold SYNC-LOW F Minimum Synchronizing Frequency Min F Maximum Synchronizing Frequency Max t Minimum Synchronizing Pulse Width MIN_PULSE_W t Maximum Synchronizing Pulse Width ...

Page 9

Single-Stage PFC Controller TYPICAL CHARACTERISTICS Operating Current ( Temperature DD OP Temperature ( Start Threshold Voltage ( Temperature DD-ON Temperature ( PW M frequency ( Temperature OSC Temperature ( © System General Corp. Version ...

Page 10

Single-Stage PFC Controller RMS AC Voltage Under-voltage Threshold (V Temperature Temperature ( Multiplier Current Output ( Tem perature MO-1 Temperature ( OTP Threshold Voltage ( Temperature OTP-OFF Temperature ( © System General Corp. Version 1.0.1 (IAO33.0064.B0) ...

Page 11

Single-Stage PFC Controller OPERATION DESCRIPTION The highly integrated SG6980 is designed for a power supply with boost PFC. It requires very few external components to achieve high performance and includes versatile protections / compensation. The PFC function is implemented by ...

Page 12

Single-Stage PFC Controller ON/OFF For ON/OFF control, the SG6980 is disabled immediately if the voltage at this pin is below 1V. Usually, the pin opens when turn off can have the best power saving. The operating current during turn off ...

Page 13

Single-Stage PFC Controller ---------------------------- The average total input power can be expressed as: u Pin Vin ( rms ) Iin ( rms ) RMS MO ...

Page 14

Single-Stage PFC Controller Protections & Built-in Latch Circuit The SG6980 provides full protection functions to prevent the power supply and the load from being damaged. The protection features include: PFC Feedback Over-Voltage Protection. When the PFC feedback voltage exceeds the ...

Page 15

Single-Stage PFC Controller REFERENCE CIRCUIT © System General Corp. Version 1.0.1 (IAO33.0064.B0 www.sg.com.tw • www.fairchildsemi.com Product Specification SG6980 September 17, 2007 ...

Page 16

Single-Stage PFC Controller PACKAGE INFORMATION 16 PINS – PLASTIC DIP ( Dimensions: Millimeter Symbol Min 0.381 A2 3.175 18.669 E E1 6.121 e L 2.921 e 8.509 ...

Page 17

Single-Stage PFC Controller 16 PINS – PLASTIC SOP ( Dimension: Millimeter Symbol Min. A 1.346 A1 0.101 A2 1.244 9.804 E 3.810 e H 5.791 L 0.406 © System ...

Page 18

Single-Stage PFC Controller © System General Corp. Version 1.0.1 (IAO33.0064.B0 www.sg.com.tw • www.fairchildsemi.com Product Specification SG6980 September 17, 2007 ...

Related keywords