FAN8048 Datasheet, PDF (1/34 Pages) Fairchild Semiconductor – 2 DC-DC Converter & 4-CH PWM Motor IC

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FAN8048
2 DC-DC Converter & 4-CH PWM Motor IC
Features
H-Bridge PWM Driver
• 4 Channels direct PWM H-bridge drivers
• Digital input and direct PWM output
• Internal power switches
- ON state resistance : 2.0 Ω (typ.), which value added
the upper and the lower switches
Descripation
The FAN8048 is a monolithic integrated circuit suitable for a
4 channels direct PWM H-bridge driver which incorporates
two switch-mode step up-down converter with synchronous
rectification provides local microprocessor and servo IC
power in portable CD players and portable devices.
Synchronous DC-DC Converter
• Built-in step up converter (VG converter)
• Built-in two synchronous step up-down converter
• Built-in short circuit protection
• Internal Switches
- Power Switch : 0.4Ω (typ.) at 500mA
-. Synchronous-Rectifier Switch : 0.4Ω (typ.) at 500mA
48-LQFP-0707
Others
• Built-in power-on reset circuit
• Built-in battery charge circuit
• Built-in voltage regulator control circuit
• Built-in thermal shutdown (TSD) circuit
• Buit-in channel mute circuit
Typical application
• Portable CD-MP3 player
Ordering Information
Device
Package
FAN8048 48-LQFP-0707
Operating Temp.
-30°C ~ +85°C
©2004 Fairchild Semiconductor Corporation
Rev. 1.0.0