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STB70NFS03L
N-channel - 30V - 0.0075 - 70A D2PAK STripFETTM Power MOSFET plus schottky rectifier
General features
Type STB70NFS03L Schottky VDSS 30V IF(AV) 3A RDS(on) <0.0095 VRRM 30V ID 70A VF(MAX) 0.51V
1 3
Description
This product associates a Power MOSFET of the third genaration of STMicroelectronics unique "Single Feature Size" strip-based process and a low drop schottky diode. The transistor shows the best trade-off between on-resistance and gate charge. Used as low side in buck regulators, the product is the solution in terms of conduction losses and space saving.
DPAK
Internal schematic diagram
Applications
Switching application
Order codes
Part number STB70NFS03L Marking B70NFS03L Package DPAK Packaging Tape & reel
July 2006
Rev 9
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www.st.com 13
Contents
STB70NFS03L
Contents
1 2 Electrical ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2.1 Electrical characteristics (curves) ............................. 6
3 4 5 6
Test circuits
.............................................. 8
Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Packaging mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
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STB70NFS03L
Electrical ratings
1
Electrical ratings
Table 1.
Symbol VDS VGS ID ID IDM
(1)
Mosfet absolute maximum ratings
Parameter Drain-source voltage (VGS = 0) Gate- source voltage Drain current (continuous) at TC = 25C Drain current (continuous) at TC = 100C Drain current (pulsed) Total dissipation at TC = 25C Derating factor Value 30 18 70 50 280 100 0.67 5.5 500 -55 to 175 Operating junction temperature Unit V V A A A W W/C V/ns mJ C
PTOT
dv/dt (2) Peak diode recovery voltage slope EAS
(3)
Single pulse avalanche energy Storage temperature
Tstg TJ
1. Pulse width limited by safe operating area 2. ISD < 70A, di/dt < 350A/s, VDD = 80% V(BR)DSS 3. Starting Tj = 25C, VDD = 25V
Table 2.
Symbol VRRM IF(RMS) IF(AV) IFSM dv/dt
Schottky absolute maximum ratings
Parameter Repetitive peak reverse voltage RMS forward current Average forward current Surge non repetitive forward current Critical rate of rise of reverse voltage TL=125C =0.5 tp=10ms Sinusoidal Value 30 20 3 75 10000 Unit V A A A v/s
Table 3.
Symbol
Thermal data
Parameter Value 1.5 62.5 300 Unit C/W C/W C
Rthj-amb Thermal resistance junction-amb max Rthj-case Thermal resistance junction-case max Tl Maximum lead temperature for soldering purpose
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Electrical characteristics
STB70NFS03L
2
Electrical characteristics
(Tcase =25C unless otherwise specified) Table 4.
Symbol V(BR)DSS IDSS IGSS VGS(th) RDS(on)
On /off states
Parameter Drain-source breakdown voltage Test conditions ID = 250A, VGS = 0 Min. 30 200 20 100 1 0.0075 0.0095 0.0135 0.018 Typ. Max. Unit V A mA nA V
VDS = Max rating Zero gate voltage drain current (VGS = 0) VDS = Max rating, TC=125C Gate-body leakage current (VDS = 0) VGS = 18V
Gate threshold voltage VDS = VGS, ID = 250A Static drain-source on resistance VGS = 10V, ID = 35A VGS = 5V, ID = 18A
Table 5.
Symbol IR VF
Shottcky static
Parameter Reverse leakage current Test conditions Tj = 25C VR = 30V Tj = 100C VR = 30V Min. Typ. Max. 0.2 100 0.51 0.46 Unit mA mA V V
0.03 0.425
Tj = 25C IF = 3A Zero gate voltage drain current (VGS = 0) Tj = 125C IF = 3A
Table 6.
Symbol gfs Ciss Coss Crss Qg Qgs Qgd
Dynamic
Parameter Forward transconductance Input capacitance Output capacitance Reverse transfer capacitance Total gate charge Gate-source charge Gate-drain charge Test conditions VDS = 25V, ID = 35A Min. Typ. 25 1440 560 135 22.5 9 12 30 Max. Unit S pF pF pF nC nC nC
VDS = 25 V, f = 1 MHz, VGS = 0
VDD = 15V, ID = 70A, VGS = 5V (see Figure 11)
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STB70NFS03L
Electrical characteristics
Table 7.
Symbol td(on) tr td(off) tf
Switching times
Parameter Turn-on delay time Rise time Turn-off delay time Fall time Test Conditions VDD = 15V, ID = 35A, RG = 4.7, VGS = 5V (see Figure 10) VDD = 15V, ID = 35A, RG = 4.7, VGS = 5V (see Figure 10) Min. Typ. 22 165 21 25 Max Unit ns ns ns ns
Table 8.
Symbol ISD ISDM (1) VSD (2) trr Qrr IRRM
Source drain diode
Parameter Source-drain current Source-drain current (pulsed) Forward on voltage Reverse recovery time Reverse recovery charge Reverse recovery current ISD = 70A, VGS = 0 ISD = 70A, di/dt = 100A/s VDD = 20V, Tj = 150C (see Figure 15) 42 52 2.5 Test Conditions Min. Typ. Max. Unit 70 280 1.3 A A V ns nC A
1. Pulse width limited by safe operating area 2. Pulsed: Pulse duration = 300 s, duty cycle 1.5 %
5/13
Electrical characteristics
STB70NFS03L
2.1
Figure 1.
Electrical characteristics (curves)
Output characterisics Figure 2. Transfer characteristics
Figure 3.
Source-drain diode forward characteristics
Figure 4.
Static drain-source on resistance
Figure 5.
Gate charge vs gate-source voltage Figure 6.
Capacitance variations
6/13
STB70NFS03L Figure 7. Normalized gate threshold voltage vs temperature Figure 8.
Electrical characteristics Normalized on resistance vs temperature
Figure 9.
Normalized BVDSS voltage vs temperature
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Test circuits
STB70NFS03L
3
Test circuits
Figure 11. Gate charge test circuit
Figure 10. Switching times test circuit for resistive load
Figure 12. Test circuit for inductive load Figure 13. Unclamped inductive load test switching and diode recovery times circuit
Figure 14. Unclamped inductive waveform
Figure 15. Switching time waveform
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STB70NFS03L
Package mechanical data
4
Package mechanical data
In order to meet environmental requirements, ST offers these devices in ECOPACK(R) packages. These packages have a Lead-free second level interconnect . The category of second level interconnect is marked on the package and on the inner box label, in compliance with JEDEC Standard JESD97. The maximum ratings related to soldering conditions are also marked on the inner box label. ECOPACK is an ST trademark. ECOPACK specifications are available at: www.st.com
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Package mechanical data
STB70NFS03L
D2PAK MECHANICAL DATA TO-247 MECHANICAL DATA
mm. DIM. MIN. A A1 A2 B B2 C C2 D D1 E E1 G L L2 L3 M R V2 0 4.88 15 1.27 1.4 2.4 0.4 4 10 8.5 5.28 15.85 1.4 1.75 3.2 0.192 0.590 0.050 0.055 0.094 0.015 4.4 2.49 0.03 0.7 1.14 0.45 1.23 8.95 8 10.4 0.393 0.334 0.208 0.625 0.055 0.068 0.126 TYP MAX. 4.6 2.69 0.23 0.93 1.7 0.6 1.36 9.35 MIN. 0.173 0.098 0.001 0.027 0.044 0.017 0.048 0.352 0.315 TYP. MAX. 0.181 0.106 0.009 0.036 0.067 0.023 0.053 0.368 inch
3
1
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STB70NFS03L
Packaging mechanical data
5
Packaging mechanical data
D2PAK FOOTPRINT
TAPE AND REEL SHIPMENT
REEL MECHANICAL DATA
DIM. A B C D G N T 1.5 12.8 20.2 24.4 100 30.4 26.4 13.2 mm MIN. MAX. 330 0.059 0.504 0.520 0795 0.960 1.039 3.937 1.197 BULK QTY 1000 inch MIN. MAX. 12.992
TAPE MECHANICAL DATA
DIM. A0 B0 D D1 E F K0 P0 P1 P2 R T W mm MIN. 10.5 15.7 1.5 1.59 1.65 11.4 4.8 3.9 11.9 1.9 50 0.25 23.7 24.3 MAX. 10.7 15.9 1.6 1.61 1.85 11.6 5.0 4.1 12.1 2.1 inch MIN. MAX. 0.413 0.421 0.618 0.626 0.059 0.063 0.062 0.063 0.065 0.073 0.449 0.456 0.189 0.197 0.153 0.161 0.468 0.476 0.075 0.082 1.574 0.35 0.0098 0.0137 0.933 0.956
BASE QTY 1000
* on sales type
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Revision history
STB70NFS03L
6
Revision history
Table 9.
Date 09-Sep-2004 05-Jul-2006
Revision history
Revision 8 9 Changes New datasheet according to PCN DSG/CT/2C13 marking: STB70NFS03L@ New template, new value on Table 4.: On /off states
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STB70NFS03L
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