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Part Number |
FDMC8878 |
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Manufacturer |
Fairchild Semiconductor |
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Semiconductor DataSheet |
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DataSheet View |
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FDMC8878 N-Channel Power Trench® MOSFET
February 2007
FDMC8878 N-Channel Power Trench® MOSFET
30V, 16.5A, 14mΩ Features General Description
Max rDS(on) = 14mΩ at VGS = 10V, ID = 9.6A Max rDS(on) = 17mΩ at VGS = 4.5V, ID = 8.7A Low Profile - 1mm max in Power 33 RoHS Compliant
tm
This N-Channel MOSFET is a rugged gate version of Fairchild Semiconductor‘s advanced Power Trench process. It has been optimized for power management applications.
Application
DC - DC Conversion
Bottom
Top
5
6
7
8 D 1 D
D
D
D D
5 6 7 8
4 G 3 S 2 S 1 S
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D
S S S G
4
3
2
D
Power 33
MOSFET Maximum Ratings TA = 25°C unless otherwise noted
Symbol VDS VGS ID Parameter Drain to Source Voltage Gate to Source Voltage Drain Current -Continuous (Package limited) -Continuous (Silicon limited) -Continuous -Pulsed PD TJ, TSTG Power Dissipation Power Dissipation Operating and Storage Junction Temperature Range TC = 25°C TA = 25°C (Note 1a) TC = 25°C TC = 25°C TA = 25°C (Note 1a) Ratings 30 ±20 16.5 38 9.6 60 31 2.1 -55 to +150 W °C A Units V V
Thermal Characteristics
RθJC RθJA Thermal Resistance, Junction to Case Thermal Resistance, Junction to Ambient (Note 1a) 4 60 °C/W
Package Marking and Ordering Information
Device Marking FDMC8878 Device FDMC8878 Package Power 33 Reel Size 7” Tape Width 8mm Quantity 3000 units
©2007 Fairchild Semiconductor Corporation FDMC8878 Rev.D
1
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FDMC8878 N-Channel Power Trench® MOSFET
Electrical Characteristics TJ = 25°C unless otherwise noted
Symbol Parameter Test Conditions Min Typ Max Units
Off Characteristics
BVDSS ∆BVDSS ∆TJ IDSS IGSS Drain to Source Breakdown Voltage Breakdown Voltage Temperature Coefficient Zero Gate Voltage Drain Current Gate to Source Leakage Current ID = 250µA, VGS = 0V ID = 250µA, referenced to 25°C VDS = 24V, VGS = 0V TJ = 125°C VGS = ±20V, VDS = 0V 30 20 1 100 ±100 V mV/°C µA nA
On Characteristics
VGS(th) ∆VGS(th) ∆TJ rDS(on) gFS Gate to Source Threshold Voltage Gate to Source Threshold Voltage Temperature Coefficient Drain to Source On Resistance Forward Transconductance VGS = VDS, ID = 250µA ID = 250µA, referenced to 25°C VGS = 10V, ID = 9.6A VGS = 4.5V, ID = 8.7A VGS = 10V, ID = 9.6A , TJ = 125°C VDS = 5V, ID = 9.6A 1 1.7 -5.7 9.6 12.1 13.5 35 14.0 17.0 20.0 S mΩ 3 V mV/°C
Dynamic Characteristics
Ciss Coss Crss Rg Input Capacitance Output Capacitance Reverse Transfer Capacitance Gate Resistance VDS = 15V, VGS = 0V, f = 1MHz f = 1MHz 925 190 120 1.1 1230 255 180 pF pF pF Ω
Switching Characteristics
td(on) tr td(off) tf Qg(TOT) Qgs Qgd Turn-On Delay Time Rise Time Turn-Off Delay Time Fall Time Total Gate Charge Gate to Source Gate Charge Gate to Drain “Miller” Charge VGS = 10V , VDD = 15V , ID = 9.6A VDD = 15V, ID = 9.6A VGS = 10V, RGEN = 6Ω 8 4 20 3 18 2.8 3.9 16 10 36 10 26 ns ns ns ns nC nC nC
Drain-Source Diode Characteristics
VSD trr Qrr Source to Drain Diode Forward Voltage Reverse Recovery Time Reverse Recovery Charge VGS = 0V, IS = 9.6A (Note 2) 0.8 23 14 1.2 35 21 V ns nC IF = 9.6A, di/dt = 100A/µs
Notes: 1: RθJA is determined with the device mounted on a 1in2 pad 2 oz copper pad on a 1.5 x 1.5 in. board of FR-4 material. RθJC is guaranteed by design while RθCA is determined by the user's board design. a. 60°C/W when mounted on a 1 in2 pad of 2 oz copper b. 135°C/W when mounted on a minimum pad of 2 oz copper
2: Pulse Test: Pulse Width < 300µs, Duty cycle < 2.0%.
FDMC8878 Rev.D
2
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FDMC8878 N-Channel Power Trench® MOSFET
Typical Characteristics TJ = 25°C unless otherwise noted
NORMALIZED DRAIN TO SOURCE ON-RESISTANCE
60
ID, DRAIN CURRENT (A)
2.5
PULSE DURATION = 80µs DUTY CYCLE = 0.5%MAX
50 40 30 20 10 0
VGS = 10V VGS = 3.5V VGS = 4.5V VGS = 4V VGS = 3V
2.0
VGS = 3V VGS = 4V VGS = 4.5V
1.5
VGS = 3.5V
1.0
VGS = 10V
PULSE DURATION = 80µs DUTY CYCLE = 0.5%MAX
0.5
0
1 2 3 VDS, DRAIN TO SOURCE VOLTAGE (V)
4
0
10
20
30
40
50
60
ID, DRAIN CURRENT(A)
Figure 1. On-Region Characteristics
Figure 2. Normalized On-Resistance vs Drain Current and Gate Voltage
30
rDS(on), DRAIN TO SOURCE ON-RESISTANCE (mΩ)
1.6
NORMALIZED DRAIN TO SOURCE ON-RESISTANCE
1.4 1.2 1.0 0.8 0.6 -75
ID = 9.6A VGS = 10V
ID = 9.6A
PULSE DURATION = 80µs DUTY CYCLE = 0.5%MAX
25 20 15 10 5
TJ = 125oC
TJ = 25oC
-50
-25
0
25
50
75
100 125 150
3
TJ, JUNCTION TEMPERATURE (oC)
4 5 6 7 8 9 VGS, GATE TO SOURCE VOLTAGE (V)
10
Figure 3. Normalized On- Resistance vs Junction Temperature
IS, REVERSE DRAIN CURRENT (A)
Figure 4. On-Resistance vs Gate to Source Voltage
100
VGS = 0V
60 50 ID, DRAIN CURRENT (A) 40 30
TJ = 25oC
PULSE DURATION = 80µs DUTY CYCLE = 0.5%MAX VDD = 5V
10 1 0.1 0.01
TJ = 150oC TJ = -55oC
TJ = 25oC
20 10 0
TJ = 150oC TJ = -55oC
0
1
2
3
4
0.001 0.0
VGS, GATE TO SOURCE VOLTAGE (V)
0.2 0.4 0.6 0.8 1.0 VSD, BODY DIODE FORWARD VOLTAGE (V)
1.2
Figure 5. Transfer Characteristics
Figure 6. Source to Drain Diode Forward Voltage vs Source Current
FDMC8878 Rev.D
3
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FDMC8878 N-Channel Power Trench® MOSFET
Typical Characteristics TJ = 25°C unless otherwise noted
10
VGS, GATE TO SOURCE VOLTAGE(V)
ID = 9.6A
3000
VDD = 15V VDD = 10V
8 6 4 2 0
Ciss
CAPACITANCE (pF)
1000
Coss
VDD = 20V
100
50 0.1
f = 1MHz VGS = 0V
Crss
0
5
10
15
20
1
10
30
Qg, GATE CHARGE(nC)
VDS, DRAIN TO SOURCE VOLTAGE (V)
Figure 7. Gate Charge Characteristics
Figure 8. Capacitance vs Drain to Source Voltage
12
ID, DRAIN CURRENT (A)
20
IAS, AVALANCHE CURRENT(A)
10
10 8
VGS = 10V
TJ =
25oC
6 4 2
RθJA = 60 C/W
o
VGS = 4.5V
TJ = 125oC
1 0.01
0.1 1 10 tAV, TIME IN AVALANCHE(ms)
80
0
25
50
75
100
125
o
150
TA, AMBIENT TEMPERATURE ( C)
Figure 9. Unclamped Inductive Switching Capability
80 ID, DRAIN CURRENT (A)
Figure 10. Maximum Continuous Drain Current vs Ambient Temperature
300
TA = 25oC FOR TEMPERATURES ABOVE 25oC DERATE PEAK CURRENT AS FOLLOWS: I = I25 150 – T A ---------------------125
P(PK), PEAK TRANSIENT POWER (W)
100us 1ms
VGS = 10V
10 1 0.1 0.01
OPERATION IN THIS AREA MAY BE LIMITED BY rDS(on)
100
10ms 100ms 1s 10s DC
SINGLE PULSE TJ = MAX RATED TA = 25oC
10
1
0.5 -3 10
SINGLE PULSE
-2 -1 0 1 2 3
0.001 0.1
1
10
80
10
VDS, DRAIN to SOURCE VOLTAGE (V)
10 10 10 t, PULSE WIDTH (s)
10
10
Figure 11. Forward Bias Safe Operating Area
Figure 12. Single Pulse Maximum Power Dissipation
FDMC8878 Rev.D
4
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FDMC8878 N-Channel Power Trench® MOSFET
Typical Characteristics TJ = 25°C unless otherwise noted
2
1
NORMALIZED THERMAL IMPEDANCE, ZθJA
DUTY CYCLE-DESCENDING ORDER
0.1
D = 0.5 0.2 0.1 0.05 0.02 0.01
PDM
t1
0.01
SINGLE PULSE
t2 NOTES: DUTY FACTOR: D = t1/t2 PEAK TJ = PDM x ZθJA x RθJA + TA
0.003 -3 10
10
-2
10
-1
10
0
10
1
10
2
10
3
t, RECTANGULAR PULSE DURATION (s)
Figure 13. Transient Thermal Response Curve
FDMC8878 Rev.D
5
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FDMC8878 N-Channel Power Trench® MOSFET
FDMC8878 Rev.D
6
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FDMC8878 N-Channel Power Trench® MOSFET
TRADEMARKS
The following are registered and unregistered trademarks Fairchild Semiconductor owns or is authorized to use and is not intended to be an exhaustive list of all such trademarks. FACT Quiet Series™ GlobalOptoisolator™ GTO™ HiSeC™ I2C™ i-Lo™ ImpliedDisconnect™ IntelliMAX™ ISOPLANAR™ LittleFET™ MICROCOUPLER™ MicroFET™ MicroPak™ MICROWIRE™ MSX™ MSXPro™ Across the board. Around the world.™ The Power Franchise® Programmable Active Droop™ ACEx™ ActiveArray™ Bottomless™ Build it Now™ CoolFET™ CROSSVOLT™ DOME™ EcoSPARK™ E2CMOS™ EnSigna™ FACT® FAST® FASTr™ FPS™ FRFET™ OCX™ OCXPro™ OPTOLOGIC® OPTOPLANAR™ PACMAN™ POP™ Power247™ PowerEdge™ PowerSaver™ PowerTrench® QFET® QS™ QT Optoelectronics™ Quiet Series™ RapidConfigure™ RapidConnect™ µSerDes™ ScalarPump™ SILENT SWITCHER® SMART START™ SPM™ Stealth™ SuperFET™ SuperSOT™-3 SuperSOT™-6 SuperSOT™-8 SyncFET™ TCM™ TinyBoost™ TinyBuck™ TinyPWM™ TinyPower™ TinyLogic® TINYOPTO™ TruTranslation™ UHC® UniFET™ VCX™ Wire™
DISCLAIMER FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN; NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS. THESE SPECIFICATIONS DO NOT EXPAND THE TERMS OF FAIRCHILD’S WORLDWIDE TERMS AND CONDITIONS, SPECIFICALLY THE WARRANTY THEREIN, WHICH COVERS THESE PRODUCTS. LIFE SUPPORT POLICY FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF FAIRCHILD SEMICONDUCTOR CORPORATION.
As used herein: 1. Life support devices or systems are devices or systems which, (a) are intended for surgical implant into the body, or (b) support or sustain life, or (c) whose failure to perform when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in significant injury to the user.
PRODUCT STATUS DEFINITIONS Definition of Terms
2. A critical component is any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness.
Datasheet Identification Advance Information
Product Status Formative or In Design First Production
Definition This datasheet contains the design specifications for product development. Specifications may change in any manner without notice. This datasheet contains preliminary data, and supplementary data will be published at a later date. Fairchild Semiconductor reserves the right to make changes at a |