MB3885PFV FUJITSU [Fujitsu Component Limited.], MB3885PFV Datasheet
MB3885PFV
Manufacturer Part Number
MB3885PFV
Description
1-channel DC/DC Converter IC with Synchronous Rectifier
Manufacturer
FUJITSU [Fujitsu Component Limited.]
Datasheet
1.MB3885PFV.pdf
(29 pages)
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FUJITSU SEMICONDUCTOR
ASSP For Power Management Applications
1-channel DC/DC Converter IC
with Synchronous Rectifier
MB3885
DESCRIPTION
The MB3885 is a 1-channel DC/DC converter IC using pulse width modulation (PWM) and synchronous rectifi-
cation, designed for down conversion applications.
This device is a power supply with high output drive capacity. Synchronous rectification also provides for high
efficiency.
In addition, a 5 V regulator is built in to reduce the number of system components. The result is an ideal built-in
power supply for driving products with high speed CPU’s such as home TV game devices and notebook PC’s.
FEATURES
• Synchronous rectification for high efficiency
• Supply voltage range : 5.5 V to 18 V
• Built-in high-precision reference voltage circuit : 2.5 V
• Error Amp. threshold voltage : 1.25 V
• Oscillator frequency range : 10 kHz to 500 kHz
• Built-in soft start circuit with error Amp. input control
• Totem pole type output for N-ch MOSFET
PACKAGE
DATA SHEET
1
20-pin Plastic SSOP
(FPT-20P-M03)
(0 C to 85 C)
1
DS04-27227-1E
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