SG5842JADZ Fairchild Semiconductor, SG5842JADZ Datasheet
SG5842JADZ
Specifications of SG5842JADZ
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SG5842JADZ Summary of contents
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... Applications General-purpose switch-mode power supplies and flyback power converters, including: Notebook Power Adapters Open-Frame SMPS © 2007 Fairchild Semiconductor Corporation SG5842A/SG5842JA • Rev. 1.4.3 Description The highly integrated SG5842A/JA series of PWM controllers provides several features to enhance the performance of flyback converters. To minimize standby ...
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... Ordering Information Operating Part Number Temperature Range SG5842JASZ -40°C to +105°C SG5842JADZ -40°C to +105°C SG5842JASY -40°C to +105°C SG5842ASZ -40°C to +105°C (Preliminary) SG5842ASY -40°C to +105°C (Preliminary) For Fairchild’s definition of Eco Status, please visit: http://www.fairchildsemi.com/company/green/rohs_green.html. Application Diagram © ...
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... Block Diagram Marking Information SG5842HATP XXXXXXXXYWWV Marking for SG5842JASZ (pb-free) Marking for SG5842JADZ (pb-free) Marking for SG5842ASZ (pb-free) Marking for SG5842ADZ (pb-free) ZXYTT SG5842HA TPM Marking for SG5842JASY (green-compound) Marking for SG5842ASY (green-compound) © 2007 Fairchild Semiconductor Corporation SG5842A/SG582JA • Rev. 1.4.3 Figure 2 ...
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... VDD Power supply. The internal protection circuit disables PWM output GATE The totem-pole output driver for the power MOSFET, which is internally clamped below 18V. © 2007 Fairchild Semiconductor Corporation SG5842A/SG582JA • Rev. 1.4.3 Figure 4. Pin Configuration Description 4 is over-voltage. DD ...
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... 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 © 2007 Fairchild Semiconductor Corporation SG5842A/SG582JA • Rev. 1.4.3 Parameter < 50° Human Body Model, JESD22-A114 ...
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... V Output High Voltage FB-OPEN V FB Open-Loop Trigger Level FB-OLP t FB Open-Loop Protection Delay D-OLP V Green-Mode Entry FB Voltage FB-N V Green-Mode Ending FB Voltage FB-G © 2007 Fairchild Semiconductor Corporation SG5842A/SG582JA • Rev. 1.4.3 Conditions V =V –0.16V DD DD-ON V =15V, R =26KΩ GATE=OPEN R =26KΩ ...
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... GATE- Gate Output Clamping Voltage CLAMP I Output Current of RT Pin RT Over-Temperature Protection V RTTH Threshold Voltage t Over-Temperature Debounce D-OTP © 2007 Fairchild Semiconductor Corporation SG5842A/SG582JA • Rev. 1.4.3 (Continued) Figure 5. V vs. PWM Frequency FB Conditions V –V STHFL STHVA Maximum Duty Cycle R =26KΩ ...
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... DD Figure 8. Operation Current (I Operation 11.5 11.0 10.5 10.0 9.5 -40 -25 - Temperature °C Figure 10. Minimum Operating Voltage (V vs. Temperature © 2007 Fairchild Semiconductor Corporation SG5842A/SG582JA • Rev. 1.4.3 5.0 4.5 4.0 3.5 3.0 2 110 125 ) vs. Temperature Figure 7. Operating Supply Current (I IDD-ST 17.5 17 ...
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... Performance Characteristics -40 -25 - Temperature °C Figure 12. Maximum Duty Cycle (DCY vs. Temperature Figure 14. Output Current of RT Pin (I © 2007 Fairchild Semiconductor Corporation SG5842A/SG582JA • Rev. 1.4.3 (Continued) 1.085 1.075 1.065 1.055 1.045 1.035 1.025 1.015 110 125 ) Figure 13. max -40 -25 - Temperature °C ...
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... During this blanking period, the current-limit comparator is disabled and cannot switch off the gate drive. © 2007 Fairchild Semiconductor Corporation SG5842A/SG582JA • Rev. 1.4.3 Under-Voltage Lockout (UVLO) The turn-on/turn-off thresholds are fixed internally at 16 ...
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... To reset the latch circuit, disconnect the AC line voltage of the power supply. © 2007 Fairchild Semiconductor Corporation SG5842A/SG582JA • Rev. 1.4.3 (Continued) Thermal Protection An external NTC thermistor can be connected from the RT pin to ground ...
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... EC 1000µF/25V C8 EC 470µF/25V C9 EC 10µF/50V C10 CC 222pF/50V C11 CC 470pF/50V D1 D2 Diode BYV95C D3 TVS P6KE16A D4 Diode FR103 F1 FUSE 4A/250V L1 Choke (900µH) L2 Choke (10mH) L3 Inductor (2µH) Q1 Diode 20A/100V © 2007 Fairchild Semiconductor Corporation SG5842A/SG5842JA • Rev. 1.4.3 BD1 GND GATE VDD ...
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... 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’ ...
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... 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’ ...
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... Fairchild Semiconductor Corporation SG5842A/SG5842JA • Rev. 1.4.3 15 www.fairchildsemi.com ...