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FREQ Datasheet(PDF) 42 Page - fujitsu semiconductor

Part # FREQ
Description  2ch DC/DC converter IC with PFM/ PWM synchronous rectification
PDF  56 Pages
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Manufacturer  FUJITSU [fujitsu semiconductor]
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Logo FUJITSU - fujitsu semiconductor

FREQ Datasheet(HTML) 42 Page - fujitsu semiconductor

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42
MB39A214A
Limitation : development tool vendor use only
FUJITSU SEMICONDUCTOR CONFIDENTIAL
DS405-00007-1v0-E
REFERENCE DATA
Conversion Efficiency vs.Load Current
Conversion Efficiency vs.Load Current
100
90
80
70
60
50
40
30
20
10
0
0.001
0.01
0.1
1
10
PFM/PWM
PAF
PWM
VIN = 12 V
VOUT1 = 1.0 V
FREQ = Open
Ta = +25°C
100
90
80
70
60
50
40
30
20
10
0
0.001
0.01
0.1
1
10
PFM/PWM
PAF
VIN = 12 V
VOUT2 = 1.8 V
FREQ = Open
Ta = +25°C
PWM
Load Current IOUT1 (A)
Load Current IOUT2 (A)
Switching Frequency vs. Load Current
Switching Frequency vs. Load Current
1000
100
10
1
0.001
0.01
0.1
1
10
PFM/PWM
PAF
VIN = 12 V
VOUT1 = 1.0 V
FREQ = Open
Ta = +25°C
PWM
1000
100
10
1
0.001
0.01
0.1
1
10
PFM/PWM
PAF
VIN = 12 V
VOUT2 = 1.8 V
FREQ = Open
Ta = +25°C
PWM
Load Current IOUT1(A)
Load Current IOUT2 (A)
Output Voltage vs. Load Current
Output Voltage vs. Load Current
1.05
1.04
1.03
1.02
1.01
1.00
0.99
0.98
0.97
0.96
0.95
0.001
0.01
0.1
1
10
PFM/PWM
PAF
VIN = 12 V
VOUT1 = 1.0 V
FREQ = Open
Ta = +25°C
PWM
1.90
1.88
1.86
1.84
1.82
1.80
1.78
1.76
1.74
1.72
1.70
0.001
0.01
0.1
1
10
PFM/PWM
PAF
VIN = 12 V
VOUT2 = 1.8 V
FREQ = Open
Ta = +25°C
PWM
Load Current IOUT1 (A)
Load Current IOUT2 (A)



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