Datasheet

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78SR 2 Amp Series
2 Amp, 3.3V & 5V Output, High Effi ciency,
Synchronous Switching Regulators
MPM_78SR-2A_B04 Page 4 of 6
78SR-3.3/2-C Input Current
78SR-5/2-C Input Current
0.0
0.2
0.4
0.6
0.8
1.0
0 5 10 15 20 25 30 35
INPUT CURRENT (AMPS)
INPUT VOLTAGE
2.0A LOAD
LOAD
0.5A LOAD
1.0A
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
0 5 10 15 20 25 30 35
INPUT CURRENT (AMPS)
INPUT VOLTAGE
2.0A LOAD
LOAD
0.5A LOAD
1.0A
55
60
65
70
75
80
85
90
95
100
0.25 0.50 0.75 1.00 1.25 1.50 1.75 2.00
55
60
65
70
75
80
85
90
95
100
0.25 0.50 0.75 1.00 1.25 1.50 1.75 2.00
EFFICIENCY (%)
LOAD CURRENT (AMPS)
EFFICIENCY (%)
LOAD CURRENT (AMPS)
Vin = 8V
Vin = 12V
Vin = 15V
Vin = 24V
Vin = 28V
Vin = 32V
Vin = 8V
Vin = 12V
Vin = 15V
Vin = 24V
Vin = 28V
Vin = 32V
1.25
1.50
1.75
2.00
8 121524283236
60ºC
OUTPUT CURRENT (AMPS)
INPUT VOLTAGE
65ºC
70ºC
Thermal Derating Curve
78SR-3.3/2-C Effi ciency
78SR-5/2-C Effi ciency