EMF4
EMF4 is Power management manufactured by ROHM.
Features
1) Power switching circuit in a single package. 2) Mounting cost and area can be cut in half.
(4) (5) (6)
(3) (2) (1)
1.2 1.6
!Structure Silicon epitaxial planar transistor
ROHM : EMT6
Each lead has same dimensions
!Equivalent circuits
(3) (2) (1)
Abbreviated symbol F4
DTr2 R2
(4)
R1
Tr1
(5) R1=2.2kΩ R2=2.2kΩ
(6)
!Package, marking, and packaging specifications
Type Package Marking Code Basic ordering unit(pieces) EMF4 EMT6 F4 T2R 8000
0.5 0.5 1.0 1.6
1/4
Transistors
!Absolute maximum ratings (Ta=25°C) Tr1
Parameter Collector-base voltage Collector-emitter voltage Emitter-base voltage Symbol Limits VCBO
- 15 VCEO
- 12 VEBO
- 6 IC
- 500 Collector current ICP
- 1.0 PC 150(TOTAL) Power dissipation Tj 150 Junction temperature Tstg
- 55~+150 Range of storage temperature
∗1 Single pulse PW=1ms ∗2 120m W per element must not be exceeded. Each terminal mounted on a remended land.
Unit V V V m A A m W °C °C
∗1 ∗2
DTr2
Parameter Supply voltage Input voltage Collector current Output current Power dissipation Junction temperature Range of storage temperature Limits Symbol 50 VCC
- 10~+20 VIN 100 IC 100 IO 150(TOTAL) PC Tj 150 Tstg
- 55~+150 Unit V V m A m A m W °C...
