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FDD3570
November 2000
FDD3570
80V N-Channel PowerTrench MOSFET
General Description
This N-Channel MOSFET has been designed specifically to improve the overall efficiency of DC/DC converters using either synchronous or conventional switching PWM controllers. This MOSFET features faster switching and lower gate change than other MOSFETs with comparable RDS(ON) specifications resulting in DC/DC power supply designs with higher overall efficiency.
Features
* 10 A, 80 V. RDS(ON) = 20 m @ VGS = 10 V RDS(ON) = 23 m @ VGS = 6 V
* Fast switching speed * High performance trench technology for extremely low RDS(ON) * High power and current handling capability
D
D G S
TO-252
S G
Absolute Maximum Ratings
Symbol
VDSS VGSS ID
TA=25oC unless otherwise noted
Parameter
Drain-Source Voltage Gate-Source Voltage Maximum Drain Current-Continuous Maximum Drain Current - Pulsed
(Note 1) (Note 1a)
Ratings
80 20 43 10 110
(Note 1) (Note 1a) (Note 1b)
Units
V V A
PD
Maximum Power Dissipation @TC = 25oC TA = 25 C TA = 25oC
o
69 3.4 1.3 -55 to +150
W
TJ, TSTG
Operating and Storage Junction Temperature Range
C
Thermal Characteristics
RJC RJA Thermal Resistance, Junction-to- Case Thermal Resistance, Junction-to- Ambient
(Note 1) (Note 1b)
1.8 96
C/W C/W
Package Marking and Ordering Information
Device Marking FDD3570 Device FDD3570 Reel Size 13'' Tape width 16mm Quantity 2500
2000 Fairchild Semiconductor Corporation
FDD3570 Rev C(W)
FDD3570
Electrical Characteristics
Symbol
WDSS IAR
TA = 25C unless otherwise noted
Parameter
Single Pulse Drain-Source Avalanche Energy Maximum Drain-Source Avalanche Current Drain-Source Breakdown Voltage Breakdown Voltage Temperature Coefficient Zero Gate Voltage Drain Current Gate-Body Leakage, Forward Gate-Body Leakage, Reverse
(Note 2)
Test Conditions
VDD = 40 V, ID = 10 A
Min
Typ
Max
360 10
Units
mJ A
Drain-Source Avalanche Ratings (Note 2)
Off Characteristics
BVDSS BVDSS ===TJ IDSS IGSSF IGSSR VGS = 0 V, ID = 250 A ID = 250 A, Referenced to 25C VDS = 64 V, VGS = 20 V, VGS = -20 V, VGS = 0 V VDS = 0 V VDS = 0 V 80 78 1 100 -100 V mV/C A nA nA
On Characteristics
VGS(th) VGS(th) ===TJ RDS(on)
Gate Threshold Voltage Gate Threshold Voltage Temperature Coefficient Static Drain-Source On-Resistance On-State Drain Current Forward Transconductance
VDS = VGS, ID = 250 A ID = 250 A, Referenced to 25C VGS = 10 V, ID = 10 A VGS = 10 V, ID = 10 A,TJ =125C VGS = 6 V, ID = 9 A VGS = 10 V, VDS = 5 V VDS = 5 V, ID = 14 A
2
2.4 -7 15 27 16
4
V mV/C
20 40 23
m
ID(on) gFS
25 40
A S
Dynamic Characteristics
Ciss Coss Crss Input Capacitance Output Capacitance Reverse Transfer Capacitance
(Note 2)
VDS = 40 V, f = 1.0 MHz
V GS = 0 V,
2800 230 117
pF pF pF
Switching Characteristics
td(on) tr td(off) tf Qg Qgs Qgd Turn-On Delay Time Turn-On Rise Time Turn-Off Delay Time Turn-Off Fall Time Total Gate Charge Gate-Source Charge Gate-Drain Charge
VDD = 40 V, VGS = 10 V,
ID = 1 A, RGEN = 6
20 12 60 24
32 24 95 38 76
ns ns ns ns nC nC nC
VDS = 40V, VGS = 10 V,
ID = 9 A,
54 9.6 14
Drain-Source Diode Characteristics and Maximum Ratings
IS VSD Maximum Continuous Drain-Source Diode Forward Current Drain-Source Diode Forward Voltage VGS = 0 V, IS = 2.8 A
(Note 2)
2.8 0.72 1.2
A V
Notes: 1. RJA is the sum of the junction-to-case and case-to-ambient thermal resistance where the case thermal reference is defined as the solder mounting surface of the drain pins. RJC is guaranteed by design while RCA is determined by the user's board design.
a) RJA = 40 C/W when mounted on a 1in2 pad of 2 oz copper.
b) RJA = 96 C/W when mounted on a minimum pad.
Scale 1 : 1 on letter size paper 2. Pulse Test: Pulse Width < 300s, Duty Cycle < 2.0%
FDD3570 Rev. C(W)
FDD3570
Typical Characteristics
50 5.0V 4.5V RDS(ON), NORMALIZED DRAIN-SOURCE ON-RESISTANCE VGS = 10V ID, DRAIN CURRENT (A) 40 6.0V
2 1.8 1.6 1.4 1.2 1 0.8 0 1 2 3 0 10 20 30 40 50 ID, DRAIN CURRENT (A)
VGS = 4.0V 4.5V 5.0V 6.0V 7.0V 10V
30 4.0V 20
10 3.5V 0 VDS, DRAIN-SOURCE VOLTAGE (V)
Figure 1. On-Region Characteristics.
Figure 2. On-Resistance Variation with Drain Current and Gate Voltage.
0.04 RDS(ON), ON-RESISTANCE (OHM)
2 RDS(ON), NORMALIZED DRAIN-SOURCE ON-RESISTANCE 1.8 1.6 1.4 1.2 1 0.8 0.6 0.4 -50 -25 0 25 50 75 100 125 150 TJ, JUNCTION TEMPERATURE (oC) ID = 9A VGS = 10V
ID = 10 A 0.03
TA = 125oC
0.02 TA = 25oC
0.01
0 2 4 6 8 10 VGS, GATE TO SOURCE VOLTAGE (V)
Figure 3. On-Resistance Variation with Temperature.
50 VDS = 5V ID, DRAIN CURRENT (A) 40 I S, REVERSE DRAIN CURRENT (A)
Figure 4. On-Resistance Variation with Gate-to-Source Voltage.
100 VGS = 0V 10 1 0.1 0.01 0.001 0.0001 TA = 125 C 25 C -55 C
o o o
30
20 125 C 25 C TA = -55 C 0 2 3 4 5 6 VGS, GATE TO SOURCE VOLTAGE (V)
o o o
10
0
0.2
0.4
0.6
0.8
1
1.2
1.4
VSD, BODY DIODE FORWARD VOLTAGE (V)
Figure 5. Transfer Characteristics.
Figure 6. Body Diode Forward Voltage Variation with Source Current and Temperature.
FDD3570 Rev. C(W)
FDD3570
Typical Characteristics
10 VGS, GATE-SOURCE VOLTAGE (V) ID = 9A 8 CAPACITANCE (pF) 40V 6 VDS = 10V 20V
4000 3500 3000 2500 2000 1500 1000 500 COSS CRSS 0 10 20 30 40 50 60 CISS f = 1MHz VGS = 0 V
4
2
0 0 10 20 30 40 50 60 Qg, GATE CHARGE (nC)
0
VDS, DRAIN TO SOURCE VOLTAGE (V)
Figure 7. Gate Charge Characteristics.
1000 RDS(ON) LIMIT 100s 1ms 10ms 100ms 1s 1 VGS = 10V SINGLE PULSE RJA = 96oC/W TA = 25oC 0.01 0.1 1 10 100 VDS, DRAIN-SOURCE VOLTAGE (V) DC 10s P(pk), PEAK TRANSIENT POWER (W) 200
Figure 8. Capacitance Characteristics.
ID, DRAIN CURRENT (A)
100
150
SINGLE PULSE RJA = 96 C/W TA = 25C
10
100
50
0.1
0 0.01
0.1
1
10
100
1000
t1, TIME (sec)
Figure 9. Maximum Safe Operating Area.
Figure 10. Single Pulse Maximum Power Dissipation.
r(t), NORMALIZED EFFECTIVE TRANSIE THERMAL RESISTANCE
1
D = 0.5 0.2
RJA(t) = r(t) + RJA RJA = 96 C/W P(pk) t1 t2
SINGLE PULSE 0.01
0.1
0.1 0.05 0.02
0.01
TJ - TA = P * RJA(t) Duty Cycle, D = t 1 / t 2 0.1 t1, TIME (sec) 1 10 100 1000
0.001 0.0001
0.001
0.01
Figure 11. Transient Thermal Response Curve.
Thermal characterization performed using the conditions described in Note 1c. Transient thermal response will change depending on the circuit board design.
FDD3570 Rev. C(W)
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.
ACExTM BottomlessTM CoolFETTM CROSSVOLTTM DOMETM E2CMOSTM EnSignaTM FACTTM FACT Quiet SeriesTM FAST
DISCLAIMER
FASTrTM GlobalOptoisolatorTM GTOTM HiSeCTM ISOPLANARTM MICROWIRETM OPTOLOGICTM OPTOPLANARTM PACMANTM POPTM
PowerTrench QFETTM QSTM QT OptoelectronicsTM Quiet SeriesTM SILENT SWITCHER SMART STARTTM SuperSOTTM-3 SuperSOTTM-6 SuperSOTTM-8
SyncFETTM TinyLogicTM UHCTM VCXTM
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.
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 2. A critical component is any component of a life support device or system whose failure to perform can systems which, (a) are intended for surgical implant into be reasonably expected to cause the failure of the life the body, or (b) support or sustain life, or (c) whose support device or system, or to affect its safety or failure to perform when properly used in accordance with instructions for use provided in the labeling, can be effectiveness. reasonably expected to result in significant injury to the user. PRODUCT STATUS DEFINITIONS Definition of Terms Datasheet Identification Advance Information Product Status Formative or In Design 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 any time without notice in order to improve design. This datasheet contains final specifications. Fairchild Semiconductor reserves the right to make changes at any time without notice in order to improve design.
Preliminary
First Production
No Identification Needed
Full Production
Obsolete
Not In Production
This datasheet contains specifications on a product that has been discontinued by Fairchild semiconductor. The datasheet is printed for reference information only.
Rev. G

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