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UMF21N Datasheet, PDF (2/4 Pages) Rohm – Power management (dual transistors) | |||
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Transistors
EMF21 / UMF21N
zAbsolute maximum ratings (Ta=25°C)
Tr1
Parameter
Symbol
Collector-base voltage
VCBO
Collector-emitter voltage
VCEO
Emitter-base voltage
VEBO
IC
Collector current
ICP
Power dissipation
PC
Junction temperature
Tj
Range of storage temperature Tstg
â1 Single pulse PW=1ms
â2 120mW per element must not be exceeded.
Each terminal mounted on a recommended land.
Limits
â15
â12
â6
â500
â1.0
150(TOTAL)
150
â55~+150
Unit
V
V
V
mA
A â1
mW â2
°C
°C
DTr2
Parameter
Symbol
Supply voltage
VCC
Input voltage
VIN
Collector current
IC
Output current
IO
Power dissipation
PC
Junction temperature
Tj
Range of storage temperature Tstg
â1 Characteristics of built-in transistor.
â2 Each terminal mounted on a recommended land.
Limits
50
â10~+40
100
50
150(TOTAL)
150
â55~+150
Unit
V
V
mA â1
mA
mW â2
°C
°C
zElectrical characteristics (Ta=25°C)
Tr1
Parameter
Collector-emitter breakdown voltage
Collector-base breakdown voltage
Emitter-base breakdown voltage
Collector cut-off current
Emitter cut-off current
Collector-emitter saturation voltage
DC current gain
Transition frequency
Collector output capacitance
Symbol
BVCEO
BVCBO
BVEBO
ICBO
IEBO
VCE(sat)
hFE
fT
Cob
Min. Typ. Max. Unit
Conditions
â12
â
â
V IC=â1mA
â15
â
â
V IC=â10µA
â6
â
â
V IE=â10µA
â
â
â100 nA VCB=â15V
â
â
â100 nA VEB=â6V
â
â100 â250 mV IC=â200mA, IB=â10mA
270
â
680
â VCE=â2V, IC=â10mA
â
260
â
MHz VCE=â2V, IE=10mA, f=100MHz
â
6.5
â
pF VCB=â10V, IE=0mA, f=1MHz
DTr2
Parameter
Symbol Min. Typ. Max. Unit
Conditions
Input voltage
VI(off)
â
VI(on)
3
â
0.5
VCC=5V, IO=100µA
V
â
â
VO=0.3V, IO=10mA
Output voltage
VO(on)
â
0.1 0.3
V IO/II=10mA/0.5mA
Input current
II
â
â 0.88 mA VI=5V
Output current
IO(off)
â
â
0.5
µA VCC=50V, VI=0V
DC current gain
GI
30
â
â
â VO=5V, IO=5mA
Input resistance
R1
7
10
13
kâ¦
â
Resistance ratio
R2/R1 0.8
1
1.2
â
â
Transition frequency
fT
â
250
â MHz VCE=10V, IE=â5mA, f=100MHz â
â Transition frequency of the device
2/4
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