UMF28N Datasheet, PDF (4/5 Pages) Rohm – Power management (dual transistors)

Transistors
UMF28N
DTr2
100
50
VO=0.3V
20
10
Ta=−40°C
5
25°C
100°C
2
1
500m
200m
100m
100µ 200µ 500µ 1m 2m 5m 10m 20m 50m 100m
OUTPUT CURRENT : IO (A)
Fig.1 Input voltage vs. output current
(ON characteristics)
10m
5m ^VCC=5V
2m
1m
500µ
Ta=100°C
200µ
25°C
100µ
−40°C
50µ
20µ
10µ
5µ
2µ
1µ
0 0.5 1.0 1.5 2.0 2.5 3.0
INPUT VOLTAGE : VI(off) (V)
Fig.2 Output current vs. input voltage
(OFF characteristics)
1k
500
Ta=100°C
25°C
200
−40°C
100
50
VO=5V
20
10
5
2
1
100µ 200µ 500µ 1m 2m
5m 10m 20m 50m 100m
OUTPUT CURRENT : IO (A)
Fig.3 DC current gain vs. output
current
1
lO/lI=20
500m
200m
Ta=100°C
25°C
100m
−40°C
50m
20m
10m
5m
2m
1m
100µ 200µ 500µ 1m 2m 5m 10m 20m 50m 100m
OUTPUT CURRENT : IO (A)
Fig.4 Output voltage vs. output
current
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