SG6841S ETC, SG6841S Datasheet
![no-image](/images/no-image-200.jpg)
SG6841S
Available stocks
Related parts for SG6841S
SG6841S Summary of contents
Page 1
High-integrated Green-mode PWM Controller FEATURES Green-mode PWM to support “Blue Angel” Norm Low start up current 30uA Low operation current 3mA Leading-edge blanking Built-in synchronized slope compensation Constant output power limit for universal AC input Current mode operation Cycle-by-cycle current ...
Page 2
... High-integrated Green-mode PWM Controller MARKING DIAGRAMS 8 SG6841T XXXXXXXYYWWV 1 ORDERING INFORMATION Part Number Package SG6841S 8-Pin SOP SG6841D 8-Pin DIP PIN DESCRIPTIONS Pin No. Symbol Function 1 GND Ground 2 FB Feedback 3 VIN Start-Up Input 4 Ri Reference Setting Temperature 5 RT Protection 6 SENSE Current Sense 7 VDD ...
Page 3
High-integrated Green-mode PWM Controller BLOCK DIAGRAM VIN + 3 _ UVLO VDD 16V/10V 0.65V ©System General Corp. Version 1.7 (IRO33.0001.B1 0.85V Internal OSC Q S BIAS R Limited Power ...
Page 4
High-integrated Green-mode PWM Controller ABSOLUTE MAXIMUM RATINGS Symbol Parameter DC Supply Voltage V DD Zener clamp Zener current I Gate Output Current OUT V Input Voltage to FB Pin FB V Input Voltage to SENSE Pin Sense V Input Voltage ...
Page 5
High-integrated Green-mode PWM Controller Current Sense Section Symbol Parameter Z Input impedance CS T Delay to Output PD V Threshold voltage for current limit TH The change of threshold voltage versus the input ∆ VIN current of ...
Page 6
High-integrated Green-mode PWM Controller Over-Temperature Protection Section Symbol Parameter I Output current of pin Threshold voltage for over-temperature protection. OTP,STOP Turn-off point. Duty cycle is reduced to 0%. V Threshold voltage for over-temperature protection. OTP,START Starting point. ...
Page 7
High-integrated Green-mode PWM Controller TYPICAL CHARACTERISTICS Start-up Current ( 25.5 25.0 24.5 24.0 23.5 23.0 22.5 22.0 -40 -25 - TEMPERATURE ( ℃ ℃ ℃ ℃ ) Frequency vs. FB Voltage ...
Page 8
High-integrated Green-mode PWM Controller Min. Operating Voltage (V Tem perature 10.20 10.15 10.10 10.05 10.00 9.95 9.90 9.85 9.80 9.75 9.70 -40 -25 - TEMPERATURE ( ℃ ℃ ℃ ℃ Voltage vs Ton 14 12 ...
Page 9
High-integrated Green-mode PWM Controller OPERATION DESCRIPTION Start-up current Typical start-up current is only 30uA so that a high resistance, and low-wattage, start-up resistor can be used to minimize power loss. For an AC/DC adapter with universal input range, a 1.5 ...
Page 10
High-integrated Green-mode PWM Controller Built-in Slope Compensation The sensed voltage across the current sense resistor is used for current mode control and pulse-by-pulse current limiting. Built-in slope compensation will improve stability or prevent sub-harmonic oscillation of peak current mode control. ...
Page 11
High-integrated Green-mode PWM Controller REFERENCE CIRCUIT Circuit F1 CN1 VZ1 THER1 1 2 BOM Reference Component BD1 BD 4A/600V C1 XC 0.1uF/275V C2 XC 0.22uF/275V C3 CC 0.01uF/500V C4 EC 120u/400V ...
Page 12
High-integrated Green-mode PWM Controller PACKAGE INFORMATION 8 PINS– DIP ( Dimension Millimeter Symbol Min 0.381 A2 3.175 9.017 E E1 6.223 e L 2.921 e 8.509 B 0 ˚ ˚ ...
Page 13
High-integrated Green-mode PWM Controller 8 PINS– SOP ( Dimension Millimeter Symbol Min. A 1.346 A1 0.101 4.648 E 0.381 5.791 L 0.406 0 ˚ ˚ ˚ ˚ θ˚ ˚ ˚ ...
Page 14
High-integrated Green-mode PWM Controller LIFE SUPPORT System General’s products are not designed to be used as components in devices intended to support or sustain human life. Use of System General’s products in components intended for surgical implant into the body, ...