BSS84W
P-CHANNEL ENHANCEMENT MODE MOSFET
This is a P-channel, enhancement-mode MOSFET, housed in the industrystandard, SOT-323 (SC-70) package. This device is ideal for portable applications where board space is at a premium. 3 SOT- 323
FEATURES
Low On-Resistance Low Gate Threshold Voltage Fast Switching Available in lead-free plating (100% matte tin finish) Drain 3 1 2
APPLICATIONS
Switching Power Supplies Hand-Held Computers, PDAs 1 Gate 2 Source
MARKING CODE: 84W MAXIMUM RATINGS
Rating Drain-Source Voltage Drain-Gate Voltage (Note 1) Gate-Source Voltage Drain Current Total Power Dissipation (Note 2) Operating Junction Temperature Range Storage Temperature Range Note 1. RGS < 20K ohms TJ = 25°C Unless otherwise noted Symbol VDSS V DGR VGSS ID PD TJ Tstg
Value - 50 - 50 ± 20 130 200 -55 to +150 -55 to +150
Units V V V mA mW °C °C
THERMAL CHARACTERISTICS
Characteristic Thermal Resistance, Junction to Ambient (Note 2) Symbol R thja Value 625 Units °C/W
Note 2. FR-5 board 1.0 x 0.75 x 0.062 inch with minimum recommended pad layout
8/12/2005
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BSS84W
ELECTRICAL CHARACTERISTICS OFF CHARACTERISTICS (Note 3)
Parameter Symbol Conditions Min -50 Typ Max -15 -60 -0.1 ±10 nA µA Units V Drain-Source Breakdown Voltage BVDSS I D = -250µA, VGS = 0V VDS= -50V, VGS= 0V, T J =25°C Zero Gate Voltage Drain Current Gate-Body Leakage I DSS I GSS V DS= -50V, VGS= 0V, T J =125°C V DS= -25V, V GS= 0V, T J =25°C V GS= ±20V, V DS= 0V TJ = 25°C Unless otherwise noted
ON CHARACTERISTICS (Note 3)
Parameter Gate Threshold Voltage Symbol Conditions Min -0.8 0.05 Typ -1.44 3.8 Max -2.0 10 Units V Ohms S V GS(th) VDS= V GS I D= -1mA ,
Static Drain-Source On-ResistanceR DS(ON) VGS= -5V, I D= -0.1A g FS V DS= -25V, I D= -0.1A Forward Transconductance
DYNAMIC CHARACTERISTICS
Parameter Input Capacitance Output Capacitance Reverse Transfer Capacitance Symbol C iss Coss Crss Conditions VDS= -25V, VGS= 0V, f = 1.0MHz Min Typ Max 45 25 12 Units pF pF pF
SWITCHING CHARACTERISTICS
Parameter Turn-On Delay Time Turn-Off Delay Time Symbol t D(ON) t D(OFF) Conditions VDD= -30V, I D = -0.27A, RGEN= 50ohm, VGS= -10V Min Typ 7.5 25 Max Units ns ns
Note 3. Short duration test pulse used to minimize self-heating
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BSS84W
ELECTRICAL CHARACTERISTIC CURVES
1
-ID - Drain-to-Source Current (A)
TJ = 25°C Unless otherwise noted
1
-ID - Drain Source Current (A)
0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 0
V GS= 6V, 7V, 8V, 9V, 10V
V DS =10V 0.8 0.6 0.4 25oC 0.2 0
5.0V
4.0V 3.0V
1
2
3
4
5
0
1
2
3
4
5
6
7
-VDS - Drain-to-Source Voltage (V)
-V GS - Gate-to-Source Voltage (V)
Fig. 1. Output Characteristics
10
Fig. 2. Transfer Characteristics
10
RDS(ON) - O n-Resistance (Ohms)
RDS(ON) - O n-Resistance (Ohms)
8 V GS = 4.5V
8 6 Ids=-500mA 4 2 Ids=-50mA 0
6
4 V GS =10.0V
2
0
0
0.2
0.4
0.6
0.8
1
2
4
6
8
10
-ID - Drain Curre nt (A)
-V GS - Gate-to-Source Voltage (V)
Fig. 3. On-Resistance vs. Drain Current
V GS Threshold Voltage (NORMALIZED
Fig. 4. On-Resistance vs. G-S Voltage
10
-IS - Source Current (A)
1.2
ID =250µA
1.1
VGS = 0V
1
1
25oC 0.1
0.9
0.8 -50
-25
0
25
50
75
100
o
125
150
0.01 0.4
0.6
0.8
1
1.2
1.4
TJ - Junction Temperature ( C)
-VSD - Source-to-Drain Voltage (V)
Fig. 5. Threshold Voltage vs. Temperature 8/12/2005 Page 3
Fig. 6. Sourse-Drain Diode Forward Voltage www.panjit.com
BSS84W
PACKAGE LAYOUT AND SUGGESTED PAD DIMENSIONS
ORDERING INFORMATION
BSS84W T/R7 - 7 inch reel, 3K units per reel BSS84W T/R13 - 13 inch reel, 10K units per reel
Copyright PanJit International, Inc 2005
The inform ation presented in this docum ent is believed to be accurate and reliable. The specifications and inform ation herein are subject to change without notice. Pan Jit m akes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose. Pan Jit products are not authorized for use in life support devices or system s. Pan Jit does not convey any license under its patent rights or rights of others.
8/12/2005
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