This advanced TMOS E–FET is designed to withstand high
energy in the avalanche and commutation modes. The new energy
efficient design also offers a drain–to–source diode with a fast
recovery time. Designed for low voltage, high speed switching
applications in power supplies, converters and PWM motor
controls, these devices are particularly well suited for bridge circuits
where diode speed and commutating safe operating areas are
critical and offer additional safety margin against unexpected
voltage transients.
• Avalanche Energy Specified
• Source–to–Drain Diode Recovery Time Comparable to a
Discrete Fast Recovery Diode
• Diode is Characterized for Use in Bridge Circuits
• I
DSS
and V
Specified at Elevated Temperature
DS(on)
G
N–Channel
D
S
TMOS POWER FET
40 AMPERES
100 VOL TS
R
CASE 221A–06, Style 5
DS(on)
TO–220AB
= 0.04 OHM
MAXIMUM RATINGS
Drain–to–Source VoltageV
Drain–to–Gate Voltage (RGS = 1.0 MΩ)V
Gate–to–Source Voltage — Continuous
Gate–to–Source Voltage — Non–Repetitive (tp ≤ 10 ms)
Drain Current — Continuous
Drain Current — Continuous @ 100°C
Drain Current — Single Pulse (tp ≤ 10 µs)
Total Power Dissipation
Derate above 25°C
Operating and Storage Temperature RangeTJ, T
Single Pulse Drain–to–Source Avalanche Energy — Starting TJ = 25°C
(VDD = 75 Vdc, VGS = 10 Vdc, PEAK IL = 40 Apk, L = 1.0 mH, RG = 25 W)
Thermal Resistance — Junction to Case
Thermal Resistance — Junction to Ambient
Maximum Lead Temperature for Soldering Purposes, 1/8″ from case for 10 secondsT
This document contains information on a new product. Specifications and information herein are subject to change without notice.
E–FET is a trademark of Motorola, Inc. TMOS is a registered trademark of Motorola, Inc.
(TC = 25°C unless otherwise noted)
Rating
SymbolValueUnit
DSS
DGR
V
GS
V
GSM
I
D
I
D
I
DM
P
D
stg
E
AS
R
θJC
R
θJA
L
100Vdc
100Vdc
±20
±40
40
29
140
169
1.35
–55 to 150°C
800mJ
0.74
62.5
260°C
Vdc
Vpk
Adc
Apk
Watts
W/°C
°C/W
REV 1
Motorola TMOS Power MOSFET Transistor Device Data
Motorola, Inc. 1997
1
Page 2
MTP40N10E
)
f=1.0MHz)
V
G
)
(
DS
,
D
,
(
S
,
GS
,
ELECTRICAL CHARACTERISTICS
OFF CHARACTERISTICS
Drain–to–Source Breakdown Voltage
(VGS = 0 Vdc, ID = 0.25 mAdc)
T emperature Coef ficient (Positive)(Cpk ≥ 2.0)
Switching behavior is most easily modeled and predicted
by recognizing that the power MOSFET is charge controlled.
The lengths of various switching intervals (∆t) are determined by how fast the FET input capacitance can be charged
by current from the generator.
The published capacitance data is difficult to use for calculating rise and fall because drain–gate capacitance varies
greatly with applied voltage. Accordingly , gate charge data is
used. In most cases, a satisfactory estimate of average input
current (I
) can be made from a rudimentary analysis of
G(A V)
the drive circuit so that
t = Q/I
G(AV)
During the rise and fall time interval when switching a resistive load, VGS remains virtually constant at a level known as
the plateau voltage, V
. Therefore, rise and fall times may
SGP
be approximated by the following:
tr = Q2 x RG/(VGG – V
tf = Q2 x RG/V
GSP
GSP
)
where
VGG = the gate drive voltage, which varies from zero to V
GG
RG = the gate drive resistance
and Q2 and V
are read from the gate charge curve.
GSP
During the turn–on and turn–off delay times, gate current is
not constant. The simplest calculation uses appropriate values from the capacitance curves in a standard equation for
voltage change in an RC network. The equations are:
t
d(on)
t
d(off)
= RG C
= RG C
In [VGG/(VGG – V
iss
In (VGG/V
iss
GSP
)]
GSP
)
The capacitance (C
) is read from the capacitance curve at
iss
a voltage corresponding to the off–state condition when calculating t
on–state when calculating t
and is read at a voltage corresponding to the
d(on)
d(off)
.
At high switching speeds, parasitic circuit elements complicate the analysis. The inductance of the MOSFET source
lead, inside the package and in the circuit wiring which is
common to both the drain and gate current paths, produces a
voltage at the source which reduces the gate drive current.
The voltage is determined by Ldi/dt, but since di/dt is a function of drain current, the mathematical solution is complex.
The MOSFET output capacitance also complicates the
mathematics. And finally, MOSFETs have finite internal gate
resistance which effectively adds to the resistance of the
driving source, but the internal resistance is difficult to measure and, consequently , is not specified.
The resistive switching time variation versus gate resistance (Figure 9) shows how typical switching performance is
affected by the parasitic circuit elements. If the parasitics
were not present, the slope of the curves would maintain a
value of unity regardless of the switching speed. The circuit
used to obtain the data is constructed to minimize common
inductance in the drain and gate circuit loops and is believed
readily achievable with board mounted components. Most
power electronic loads are inductive; the data in the figure is
taken with a resistive load, which approximates an optimally
snubbed inductive load. Power MOSFETs may be safely operated into an inductive load; however, snubbing reduces
switching losses.
C, CAPACITANCE (pF)
8000
7000
6000
5000
4000
3000
2000
1000
0
VDS = 0 V
C
iss
C
rss
–10–5051025
GATE–T O–SOURCE OR DRAIN–TO–SOURCE VOL TAGE (VOLTS)
VGS = 0 V
C
rss
1520
V
GS
V
DS
Figure 7. Capacitance Variation
TJ = 25
°C
C
iss
C
oss
4
Motorola TMOS Power MOSFET Transistor Device Data
Page 5
, GATE–T O–SOURCE VOLTAGE (VOLTS)
GS
V
10
9
8
7
6
5
4
3
2
1
0
0
Q3
1020304050
QG, TOTAL GATE CHARGE (nC)
QT
Q2Q1
MTP40N10E
V
DS
, DRAIN–TO–SOURCE VOL TAGE (VOLTS)
10,000
VDD = 50 V
ID = 40 A
VGS = 10 V
TJ = 25
°
1000
t, TIME (ns)
100
10
1.010100
C
t
r
t
f
t
d(off)
t
d(on)
RG, GATE RESISTANCE (OHMS)
V
GS
ID = 40 A
TJ = 25
°
V
DS
607080
80
72
64
56
48
40
32
24
C
16
8
0
Figure 8. Gate–T o–Source and Drain–To–Source
V oltage versus Total Charge
DRAIN–TO–SOURCE DIODE CHARACTERISTICS
40
35
30
25
20
15
10
, SOURCE CURRENT (AMPS)
S
I
5
VGS = 0 V
TJ = 25
°
C
0
0.60 0.650.700.750.801.0
VSD, SOURCE–TO–DRAIN VOL TAGE (VOLTS)
Figure 10. Diode Forward V oltage versus Current
SAFE OPERATING AREA
Figure 9. Resistive Switching Time
Variation versus Gate Resistance
0.850.900.95
The Forward Biased Safe Operating Area curves define
the maximum simultaneous drain–to–source voltage and
drain current that a transistor can handle safely when it is forward biased. Curves are based upon maximum peak junction temperature and a case temperature (TC) of 25°C. Peak
repetitive pulsed power limits are determined by using the
thermal response data in conjunction with the procedures
discussed in AN569, “Transient Thermal Resistance–General
Data and Its Use.”
Switching between the off–state and the on–state may traverse any load line provided neither rated peak current (IDM)
nor rated voltage (V
) is exceeded and the transition time
DSS
(tr,tf) do not exceed 10 µs. In addition the total power averaged over a complete switching cycle must not exceed
(T
J(MAX)
– TC)/(R
θJC
).
A Power MOSFET designated E–FET can be safely used
in switching circuits with unclamped inductive loads. For reli-
Motorola TMOS Power MOSFET Transistor Device Data
able operation, the stored energy from circuit inductance dissipated in the transistor while in avalanche must be less than
the rated limit and adjusted for operating conditions differing
from those specified. Although industry practice is to rate in
terms of energy, avalanche energy capability is not a
constant. The energy rating decreases non–linearly with an
increase of peak current in avalanche and peak junction temperature.
Although many E–FETs can withstand the stress of drain–
to–source avalanche at currents up to rated pulsed current
(IDM), the energy rating is specified at rated continuous current (ID), in accordance with industry custom. The energy rating must be derated for temperature as shown in the
accompanying graph (Figure 12). Maximum energy at currents below rated continuous ID can safely be assumed to
equal the values indicated.
5
Page 6
MTP40N10E
SAFE OPERATING AREA
1000
VGS = 20 V
SINGLE PULSE
TC = 25
°
C
100
10
, DRAIN CURRENT (AMPS)
D
I
1.0
0.11.01000
VDS, DRAIN–TO–SOURCE VOL TAGE (VOLTS)
1.0 ms
100 ms
10 ms
R
DS(on)
THERMAL LIMIT
PACKAGE LIMIT
10 ms
dc
100
Figure 11. Maximum Rated Forward Biased
Safe Operating Area
1.0
D = 0.5
0.2
0.1
0.1
0.05
0.02
r(t), NORMALIZED EFFECTIVE
TRANSIENT THERMAL RESISTANCE
0.0
SINGLE PULSE
0.01
1.0E–051.0E–041.0E–031.0E–021.0E–011.0E+001.0E+01
LIMIT
800
700
600
500
400
300
200
AVALANCHE ENERGY (mJ)
, SINGLE PULSE DRAIN–TO–SOURCE
100
AS
E
0
25507510012510
Figure 12. Maximum Avalanche Energy versus
P
(pk)
t
1
t
DUTY CYCLE, D = t1/t
TJ, STARTING JUNCTION TEMPERATURE (°C)
Starting Junction T emperature
R
(t) = r(t) R
θ
JC
D CURVES APPLY FOR POWER
PULSE TRAIN SHOWN
READ TIME AT t
2
T
J(pk)
2
– TC = P
θ
(pk)
JC
1
R
θ
JC
ID = 40 A
150
(t)
t, TIME (seconds)
Figure 13. Thermal Response
di/dt
I
S
t
rr
t
t
a
b
TIME
t
p
0.25 I
S
I
S
Figure 14. Diode Reverse Recovery Waveform
6
Motorola TMOS Power MOSFET Transistor Device Data
Page 7
MTP40N10E
P ACKAGE DIMENSIONS
NOTES:
SEATING
–T–
PLANE
B
4
Q
123
F
T
A
U
H
K
C
S
STYLE 5:
PIN 1. GATE
2. DRAIN
3. SOURCE
4. DRAIN
Z
L
V
R
J
G
D
N
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2. CONTROLLING DIMENSION: INCH.
3. DIMENSION Z DEFINES A ZONE WHERE ALL
BODY AND LEAD IRREGULARITIES ARE
ALLOWED.
Motorola reserves the right to make changes without further notice to any products herein. Motorola makes no warranty , representation or guarantee regarding
the suitability of its products for any particular purpose, nor does Motorola assume any liability arising out of the application or use of any product or circuit, and
specifically disclaims any and all liability, including without limitation consequential or incidental damages. “T ypical” parameters which may be provided in Motorola
data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. All operating parameters, including “Typicals”
must be validated for each customer application by customer’s technical experts. Motorola does not convey any license under its patent rights nor the rights of
others. Motorola products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other
applications intended to support or sustain life, or for any other application in which the failure of the Motorola product could create a situation where personal injury
or death may occur. Should Buyer purchase or use Motorola products for any such unintended or unauthorized application, Buyer shall indemnify and hold Motorola
and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees
arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that
Motorola was negligent regarding the design or manufacture of the part. Motorola and are registered trademarks of Motorola, Inc. Motorola, Inc. is an Equal
Opportunity/Affirmative Action Employer.
How to reach us:
USA/EUROPE /Locations Not Listed: Motorola Literature Distribution;JAPAN: Nippon Motorola Ltd.: SPD, Strategic Planning Office, 4–32–1,
P.O. Box 5405, Denver, Colorado 80217. 1–303–675–2140 or 1–800–441–2447 Nishi–Gotanda, Shinagawa–ku, Tokyo 141, Japan. 81–3–5487–8488
Customer Focus Center: 1–800–521–6274
Mfax: RMFAX0@email.sps.mot.com – TOUCHTONE 1–602–244–6609ASIA/PACIFIC: Motorola Semiconductors H.K. Ltd.; 8B Tai Ping Industrial Park,
Moto rola Fax Back System– US & Canada ONLY 1–800–774–1848 51 Ting Kok Road, Tai Po, N.T., Hong Kong. 852–26629298
HOME PAGE: http://motorola.com/sps/
8
– http://sps.motorola.com/mfax/
◊
Motorola TMOS Power MOSFET Transistor Device Data
Mfax is a trademark of Motorola, Inc.
MTP40N10E/D
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