Fujitsu MB39C026 Handbuch - Seite 2

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Fujitsu MB39C026 Handbuch
Fujitsu ASSP Product
Power Management
1. Description
1. Description
The MB39C026 is a two channels power supply IC. It consists of one channel
DC/DC Converter and one channel LDO regulator. The DC/DC converter has fast
line transient response and load regulation with current mode control topology.
Moreover, the integrated LDO provides an auxiliary output supply for noise
sensitive circuit.

2. Evaluation Board Specification

2. Evaluation Board Specification
Output Voltage
Output Current
Oscillation Frequency
* CH1 Remark:
Maximum Output voltage is limited by the input voltage (VIN). The maximum
voltage CH1 could reach is 0.5V less than VIN.
# CH2 Remark:
The CH2 output voltage is limited by input voltage (VIN). The CH2 dropout of
MB39C026G is Vdrop. Thus the minimum input voltage should be Vdrop above
the CH2 output. Vdrop is 0.2V(Typ).
MB39C026 Evaluation Board
Parameter
Input Voltage
MB39C026G
MB39C026J
MB39C026L
MB39C026N
CH1
CH2
Min.
3.2
CH1
0.8
CH2
CH1
0.8
CH2
CH1
0.8
CH2
CH1
0.8
CH2
0
0
-
Typ.
Max.
3.7
5.5
1.2
5*
3.3#
1.2
5*
2.85
1.2
5*
1.8
1.8
5*
1.2
-
600
-
300
2.0
-
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