Power management (dual transistors)
DESCRIPTION Silicon epitaxial planar transistor
FEATURES z 2SA2018 and DTC114E are h...
Power management (dual
transistors)
DESCRIPTION Silicon epitaxial planar
transistor
FEATURES z 2SA2018 and DTC114E are housed independently
in a package. z Power switching circuit in a single package. z Mounting cost and area can be cut in half.
APPLICATION Power management circuit, mobile telephone quiver circuit For portable equipment:(i.e. Mobile phone,MP3, MD,CD-ROM, DVD-ROM, Note book PC, etc.)
UMF21N
SOT-363
1
Equivalent Circuit
(3) (2) (1)
DTr2
R1
R2
(4) (5)
Tr1 (6)
MARKING:F21 F21
TR1 MAXIMUM RATINGS Ta=25℃ unless otherwise noted
Symbol VCBO VCEO VEBO IC PC TJ Tstg
Parameter Collector- Base Voltage Collector-Emitter Voltage Emitter-Base Voltage Collector Current -Continuous Collector Dissipation Junction Temperature Storage Temperature
DTR2 Absolute maximum ratings(Ta=25℃)
Parameter
Symbol
Supply voltage
VCC
Input voltage
VIN
Output current
IO IC(MAX)
Power dissipation
Pd
Junction temperature
Tj
Storage temperature
Tstg
Value -15 -12 -6 -0.5
0.15
...
