www.fairchildsemi.com
FAN8048
2 DC-DC Converter & 4-CH PWM Motor IC
Features
H-Bridge PWM Driver
鈥?4 Channels direct PWM H-bridge drivers
鈥?Digital input and direct PWM output
鈥?Internal power switches
- ON state resistance : 2.0
鈩?(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
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Built-in step up converter (VG converter)
Built-in two synchronous step up-down converter
Built-in short circuit protection
Internal Switches
- Power Switch : 0.4鈩?(typ.) at 500mA
-. Synchronous-Rectifier Switch : 0.4鈩?(typ.) at 500mA
48-LQFP-0707
Others
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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
鈥?Portable CD-MP3 player
Ordering Information
Device
FAN8048
Package
48-LQFP-0707
Operating Temp.
-30擄C ~ +85擄C
Rev. 1.0.0
漏2004 Fairchild Semiconductor Corporation
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