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
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
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
SG6848DY1
SG6848DY1

Fairchild Semiconductor

Current Mode PWM Controllers Highly Integrated Gr Mode PWM Contrl

Data Sheet

Negotiable 
SG6848
SG6848

Other


Data Sheet

Negotiable