MB3886PFV FUJITSU [Fujitsu Component Limited.], MB3886PFV Datasheet - Page 22
MB3886PFV
Manufacturer Part Number
MB3886PFV
Description
2-Channel DC/DC Converter IC with Overcurrent Protection Symmetrical-Phase Type
Manufacturer
FUJITSU [Fujitsu Component Limited.]
Datasheet
1.MB3886PFV.pdf
(30 pages)
- Current page: 22 of 30
- Download datasheet (316Kb)
22
MB3886
NOTE ON IC’S INTERNAL POWER CONSUMPTION
The oscillation frequency of an IC and the total gate charge of FETs largely affects the internal dissipation of
the IC.
Pay attention to the following point with respect to the internal power consumption of the IC when applications
are used.
I
applied to the gate capacitors (Ciss
Current per channel
As the current consumption by the IC, excluding I
following equation :
Power consumption : Pc
Pc (W)
B
I
(mean current) is obtained from the following equation, assuming Qg1 and Qg2 as the total gate charges
B
(A)
: = Ibias
I
0.015
1
1
I
2
t1
t
V
CC
(V)
Qg
t
1
2
Ibias
V
CC
1
, Ciss
(V) I
2
2
t2
B
, Crss
t
(A)
1
B
, Crss
, is about 15 mA, the power consumption is obtained from the
Qg
V
t
B
2
(V) I
2
) of external FETs Q1 and Q2.
B
(Ibias
(A)
1
Ibias
2
: = 3 mA)
Related parts for MB3886PFV
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
Fujitsu STYLISTIC Q572 Tablet PC
Manufacturer:
FUJITSU [Fujitsu Component Limited.]
Datasheet:
Part Number:
Description:
Single Serial Input PLL Frequency Synthesizer On-Chip 2.5 GHz Prescaler
Manufacturer:
FUJITSU [Fujitsu Component Limited.]
Datasheet:
Part Number:
Description:
Dual PLL Frequency Synthesizer with On-Chip Prescaler
Manufacturer:
FUJITSU [Fujitsu Component Limited.]
Datasheet:
Part Number:
Description:
Memory FRAM 128 K (16 K x 8) Bit I2C
Manufacturer:
FUJITSU [Fujitsu Component Limited.]
Datasheet:
Part Number:
Description:
Memory FRAM 64 K (8 K x 8) Bit I2C
Manufacturer:
FUJITSU [Fujitsu Component Limited.]
Datasheet:
Part Number:
Description:
CMOS PLL Frequency Synthesizer
Manufacturer:
FUJITSU [Fujitsu Component Limited.]
Datasheet:
Part Number:
Description:
R-2R TYPE 8-BIT D/A CONVERTER WITH OPERATIONAL AMPLIFIER OUTPUT BUFFERS
Manufacturer:
FUJITSU [Fujitsu Component Limited.]
Datasheet:
Part Number:
Description:
VOLTAGE DETECTOR
Manufacturer:
FUJITSU [Fujitsu Component Limited.]
Datasheet:
Part Number:
Description:
Power Management Switching IC (with flash memory power switching function)
Manufacturer:
FUJITSU [Fujitsu Component Limited.]
Datasheet:
Part Number:
Description:
DC/DC Converter IC for Charging Li-ion battery
Manufacturer:
FUJITSU [Fujitsu Component Limited.]
Datasheet:
Part Number:
Description:
8-bit Proprietary Microcontroller
Manufacturer:
FUJITSU [Fujitsu Component Limited.]
Datasheet:
Part Number:
Description:
16-bit Proprietary Microcontroller
Manufacturer:
FUJITSU [Fujitsu Component Limited.]
Datasheet:
Part Number:
Description:
65nm CMOS Standard Cell
Manufacturer:
FUJITSU [Fujitsu Component Limited.]
Datasheet:
Part Number:
Description:
Magneto-Optical Drives
Manufacturer:
FUJITSU [Fujitsu Component Limited.]
Datasheet:
Part Number:
Description:
1.3GB Magneto-Optical Drive
Manufacturer:
FUJITSU [Fujitsu Component Limited.]
Datasheet: