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

sg6848 pin configuration

Image Part No Mfg Description Data Sheet Download Pricing
(USD)
Quantity
SG6848
SG6848

Other


Data Sheet

Negotiable 
SG6848DY1
SG6848DY1

Fairchild Semiconductor

Current Mode PWM Controllers Highly Integrated Gr Mode PWM Contrl

Data Sheet

Negotiable 
SG6848DZ1
SG6848DZ1

Fairchild Semiconductor

Current Mode PWM Controllers Lo Cost Gr-Mode PWM Ctrl Flyback Cnvrt

Data Sheet

0-2450: $0.16
2450-5000: $0.15
5000-10000: $0.14
SG6848TZ
SG6848TZ

Fairchild Semiconductor

Current Mode PWM Controllers Lo Cost Gr-Mode PWM Ctrl Flyback Cnvrt

Data Sheet

Negotiable 
SG6848TZ1
SG6848TZ1

Fairchild Semiconductor

Current Mode PWM Controllers Lo Cost Gr-Mode PWM Ctrl Flyback Cnvrt

Data Sheet

0-1: $0.34
1-25: $0.22
25-100: $0.19
100-250: $0.17