STB85NF3LL STMicroelectronics, STB85NF3LL Datasheet

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STB85NF3LL

Manufacturer Part Number
STB85NF3LL
Description
N-Channel 30V - 0.006Ohm - 85A - D2PAK LOOhm GATE CHARGE StripFET(TM) II POWER MOSFET
Manufacturer
STMicroelectronics
Datasheet

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STB85NF3LLT4
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STB85NF3LLT4
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STB85NF3LLT4-TR
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Order codes
General features
Description
This application specific Power MOSFET is the
third genaration of STMicroelectronics unique “
Single Feature Size” strip-based process. The
resulting transistor shows the best trade-off
between on-resistance and gate charge. When
used as high and low side in buck regulators, it
gives the best performance in terms of both
conduction and switching losses. This is
extremely important for motherboards where fast
switching and high efficiency are of paramount
importance.
Applications
August 2006
STB85NF3LL
Optimal R
COnduction losses reduced
Switching losses reduced
Switching application
Type
STB85NF3LLT4
Part number
DS
(on) x Qg trade-OFF @4.5V
V
30V
DSS
Low gate charge STripFET™ II Power MOSFET
<0.008Ω
R
DS(on)
B85NF3LL
Marking
85A
N-channel 30V - 0.006Ω - 85A - D
I
D
Rev 4
Internal schematic diagram
Package
D²PAK
D²PAK
STB85NF3LL
1
3
Tape & reel
Packaging
www.st.com
2
PAK
1/13
13

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STB85NF3LL Summary of contents

Page 1

... Order codes Part number STB85NF3LLT4 August 2006 N-channel 30V - 0.006Ω - 85A - D Low gate charge STripFET™ II Power MOSFET R I DS(on) D <0.008Ω 85A Internal schematic diagram Marking B85NF3LL Rev 4 STB85NF3LL 3 1 D²PAK Package Packaging D²PAK Tape & reel 2 PAK 1/13 www.st.com 13 ...

Page 2

... Contents Contents 1 Electrical ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 2.1 Electrical characteristics (curves) 3 Test circuit 4 Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 5 Packaging mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 6 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 2/ STB85NF3LL . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 ...

Page 3

... STB85NF3LL 1 Electrical ratings Table 1. Absolute maximum ratings Symbol V Drain-source voltage ( Drain-gate voltage (R DGR V Gate-source voltage GS Gate-source voltage pulsed V GSM ≤ 50µs; duty cycle 25 Drain current (continuous Drain current (continuous (1) I Drain current (pulsed Total dissipation at T ...

Page 4

... GS V =24V =4.5V GS Parameter Test conditions V = 15V =4.7Ω Figure 12 on page 8 Vclamp =24V 4.7Ω Figure 14 on page 8 STB85NF3LL Min. Typ 250µ 40A 0.006 0.0075 0.0095 = 40A D Min. Typ DS(on)max, 30 2210 635 138 30 ...

Page 5

... STB85NF3LL Table 6. Source drain diode Symbol I Source-drain current SD (1) Source-drain current (pulsed) I SDM (2) Forward on voltage V SD Reverse recovery time t rr Reverse recovery charge Q rr Reverse recovery current I RRM 1. Pulse width limited by safe operating area 2. Pulsed: pulse duration=300µs, duty cycle 1.5% Parameter ...

Page 6

... Electrical characteristics 2.1 Electrical characteristics (curves) Figure 1. Safe operating area Figure 3. Output characterisics Figure 5. Transconductance 6/13 Figure 2. Thermal impedance Figure 4. Transfer characteristics Figure 6. Static drain-source on resistance STB85NF3LL ...

Page 7

... STB85NF3LL Figure 7. Gate charge vs gate-source voltage Figure 8. Figure 9. Normalized gate threshold voltage vs temperature Figure 11. Source-drain diode forward characteristics Electrical characteristics Capacitance variations Figure 10. Normalized on resistance vs temperature 7/13 ...

Page 8

... Test circuit 3 Test circuit Figure 12. Switching times test circuit for resistive load Figure 14. Test circuit for inductive load switching and diode recovery times Figure 16. Unclamped inductive waveform 8/13 Figure 13. Gate charge test circuit Figure 15. Unclamped Inductive load test circuit STB85NF3LL ...

Page 9

... STB85NF3LL 4 Package mechanical data In order to meet environmental requirements, ST offers these devices in ECOPACK® 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 ...

Page 10

... TYP MAX. 4.4 4.6 2.49 2.69 0.03 0.23 0.7 0.93 1.14 1.7 0.45 0.6 1.23 1.36 8.95 9. 10.4 8.5 4.88 5.28 15 15.85 1.27 1.4 1.4 1.75 2.4 3.2 0.4 0º 4º STB85NF3LL inch MIN. TYP. MAX. 0.173 0.181 0.098 0.106 0.001 0.009 0.027 0.036 0.044 0.067 0.017 0.023 0.048 0.053 0.352 0.368 0.315 0.393 0.334 0.192 0.208 0.590 0.625 0.050 0.055 0.055 0.068 0.094 0.126 0.015 ...

Page 11

... STB85NF3LL 5 Packaging mechanical data 2 D PAK FOOTPRINT TAPE MECHANICAL DATA mm DIM. MIN. MAX. MIN. A0 10.5 10.7 0.413 0.421 B0 15.7 15.9 0.618 0.626 D 1.5 1.6 0.059 0.063 D1 1.59 1.61 0.062 0.063 E 1.65 1.85 0.065 0.073 F 11.4 11.6 0.449 0.456 K0 4.8 5.0 0.189 0.197 P0 3.9 4.1 0.153 0.161 P1 11.9 12.1 0.468 0.476 P2 1.9 2.1 0.075 0.082 R 50 1.574 T 0.25 0.35 0.0098 0.0137 W 23.7 24.3 0.933 0.956 * on sales type ...

Page 12

... Revision history 6 Revision history Table 7. Revision history Date 09-Sep-2004 28-Jul-2006 12/13 Revision 3 Complete document 4 New template, SOA updated STB85NF3LL Changes ...

Page 13

... STB85NF3LL Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any time, without notice. All ST products are sold pursuant to ST’s terms and conditions of sale. ...

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