MB39A214APFT-G-JNERE1 Datasheet, PDF (42/56 Pages) Fujitsu Component Limited. – 2ch DC/DC converter IC with PFM/ PWM synchronous rectification

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