Philips bsh108 DATASHEETS
M3D088
1. Description
2. Features
BSH108
N-channel enhancement mode field-effect transistor
Rev. 02 — 25 October 2000 Product specification
N-channel enhancement mode field-effect transistor in a plastic package using
TrenchMOS™1 technology.
Product availability:
BSH108 in SOT23.
■ TrenchMOS™ technology
■ Very fast switching
■ Logic level compatible
■ Subminiature surface mount package.
3. Applications
■ Battery management
c
c
■ High speed switch
■ Low power DC to DC converter.
4. Pinning information
Table 1: Pinning - SOT23, simplified outline and symbol
Pin Description Simplified outline Symbol
1 gate (g)
2 source (s)
3 drain (d)
12
Top view
1. TrenchMOS is a trademark of Royal Philips Electronics.
3
MSB003
SOT23
g
MBB076
d
s
Philips Semiconductors
BSH108
N-channel enhancement mode field-effect transistor
5. Quick reference data
Table 2: Quick reference data
Symbol Parameter Conditions Typ Max Unit
V
I
P
T
R
DS
D
tot
j
DSon
drain-source voltage (DC) Tj=25to150°C − 30 V
drain current (DC) Tsp=25°C; VGS=5V − 1.9 A
total power dissipation Tsp=25°C − 0.83 W
junction temperature − 150 °C
drain-source on-state resistance VGS= 10 V; ID= 1 A 77 120 mΩ
=5V; ID= 1 A 102 140 mΩ
V
GS
6. Limiting values
Table 3: Limiting values
In accordance with the Absolute Maximum Rating System (IEC 60134).
Symbol Parameter Conditions Min Max Unit
V
DS
V
DGR
V
GS
I
D
I
DM
P
tot
T
stg
T
j
Source-drain diode
I
S
I
SM
drain-source voltage (DC) Tj=25to150°C − 30 V
drain-gate voltage (DC) Tj=25to150°C; RGS=20kΩ−30 V
gate-source voltage (DC) −±20 V
drain current (DC) Tsp=25°C; VGS=5V;Figure 2 and 3 − 1.9 A
= 100 °C; VGS=5V;Figure 2 − 1.2 A
T
sp
peak drain current Tsp=25°C; pulsed; tp≤ 10 µs; Figure 3 − 7.5 A
total power dissipation Tsp=25°C; Figure 1 − 0.83 W
storage temperature −65 +150 °C
operating junction temperature −65 +150 °C
source (diode forward) current (DC) Tsp=25°C − 0.83 A
peak source (diode forward) current Tsp=25°C; pulsed; tp≤ 10 µs − 3.3 A
9397 750 07652
Product specification Rev. 02 — 25 October 2000 2 of 13
© Philips Electronics N.V. 2000. All rights reserved.
Philips Semiconductors
BSH108
N-channel enhancement mode field-effect transistor
120
P
der
(%)
100
80
60
40
20
0
0 25 50 75 100 125 150 175
P
P
der
tot
----------------------
P
tot 25 C°()
100%×=
03aa17
Tsp (oC)
Fig 1. Normalized total power dissipation as a
function of solder point temperature.
10
R
DSon=VDS/ID
I
D
(A)
1
120
I
der
(%)
100
80
60
40
20
0
0 25 50 75 100 125 150 175
03aa25
Tsp (oC)
VGS≥ 5V
I
I
der
D
------------------ -
I
D25C°()
100%×=
Fig 2. Normalized continuous drain current as a
function of solder point temperature.
03aa80
tp=10µs
100µs
1ms
-1
10
t
P
-2
10
t
p
-3
10
-1
10
p
δ
=
T
t
T
11010
D.C.
10 ms
100 ms
Tsp=25oC
VDS(V)
2
Tsp=25°C; IDM is single pulse.
Fig 3. Safe operating area; continuous and peak drain currents as a function of drain-source voltage.
9397 750 07652
© Philips Electronics N.V. 2000. All rights reserved.
Product specification Rev. 02 — 25 October 2000 3 of 13
Philips Semiconductors
BSH108
N-channel enhancement mode field-effect transistor
7. Thermal characteristics
Table 4: Thermal characteristics
Symbol Parameter Conditions Value Unit
R
th(j-sp)
R
th(j-a)
thermal resistance from junction to solder point mounted on a metal clad substrate; Figure 4 150 K/W
thermal resistance from junction to ambient mounted on a printed circuit board;
350 K/W
minimum footprint
7.1 Transient thermal impedance
03aa79
t
p
δ =
T
t
T
110
tp(s)
Z
th(j-sp)
(K/W)
3
10
δ
= 0.5
2
10
0.2
0.1
10
0.05
0.02
1
single pulse
-1
10
-5
10
-4
10
-3
10
-2
10
P
t
p
-1
10
Mounted on a metal clad substrate.
Fig 4. Transient thermal impedance from junction to solder point as a function of pulse duration.
9397 750 07652
© Philips Electronics N.V. 2000. All rights reserved.
Product specification Rev. 02 — 25 October 2000 4 of 13
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