Product Summary
The sg6848 is a highly-integrated PWM controller. The sg6848 provides several special enhancements designed to meet the low standby-power needs of low-power SMPS. Applications of the sg6848 include: Battery chargers for cellular phones, cordless phones, PDAs, digital cameras, and power tools, Power adapters for ink jet printers, video game consoles, and portable audio players, Open-frame SMPS for TV/DVD standby and other auxiliary supplies, home appliances, and consumer electronics, Replacements for linear transformers and RCC SMPS and PC 5V standby power.
Parametrics
sg6848 absolute maximum ratings: (1) DC Supply Voltage VDD: 25V, 26V (Zener Clamp) ; (2) Zener Clamp: 10mA; (3) Input Voltage to FB Pin VFB: -0.3 to 6V; (4) Input Voltage to Sense Pin Vsense: -0.3 to 6V; (5) Power Dissipation Pd: 300mW; (6) Operating Junction Temperature Tj: 150°C; (7) Thermal Resistance (Junction to Air) RθJA: 208.4°C/W, 82.5°C/W (DIP-8) ; (8) Storage Temperature Range Tstg:-55 to +`150°C.
Features
sg6848 features: (1) Green-Mode PWM; (2) Supports the Blue Angel Standard; (3) Low Start-up Current (5uA) ; (4) Low Operating Current (2mA) ; (5) Leading-Edge Blanking; (6) Constant Output Power Limit; (7) Gate Output Voltage Clamped at 15V; (8) Cycle-by-cycle Current Limiting; (9) Few External Components Required; (10) Small SOT-26 Package.
Diagrams
Image | Part No | Mfg | Description | Pricing (USD) |
Quantity | |||||||||||||
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SG6848 |
Other |
Data Sheet |
Negotiable |
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SG6848DY1 |
Fairchild Semiconductor |
Current Mode PWM Controllers Highly Integrated Gr Mode PWM Contrl |
Data Sheet |
Negotiable |
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SG6848DZ1 |
Fairchild Semiconductor |
Current Mode PWM Controllers Lo Cost Gr-Mode PWM Ctrl Flyback Cnvrt |
Data Sheet |
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SG6848TZ |
Fairchild Semiconductor |
Current Mode PWM Controllers Lo Cost Gr-Mode PWM Ctrl Flyback Cnvrt |
Data Sheet |
Negotiable |
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SG6848TZ1 |
Fairchild Semiconductor |
Current Mode PWM Controllers Lo Cost Gr-Mode PWM Ctrl Flyback Cnvrt |
Data Sheet |
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