This advanced high–cell density HDTMOS power 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 Dis-
crete Fast Recovery Diode
• Diode is Characterized for Use in Bridge Circuits
• I
MAXIMUM RATINGS
Designer’s Data for “Worst Case” Conditions — The Designer’s Data Sheet permits the design of most circuits entirely from the information presented. SOA Limit
curves — representing boundaries on device characteristics — are given to facilitate “worst case” design.
Designer’s, E–FET and HDTMOS are trademarks of Motorola, Inc. TMOS is a registered trademark of Motorola, Inc.
and V
DSS
Drain–Source VoltageV
Drain–Gate Voltage (RGS = 1.0 MΩ)V
Gate–Source Voltage — Continuous
— 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 = 25 Vdc, VGS = 5.0 Vdc, Peak IL = 50 Apk, L = 1.0 mH, RG = 25 Ω)
Thermal Resistance — Junction to Case
Thermal Resistance — Junction to Ambient, when mounted with the minimum recommended pad size
Maximum Lead Temperature for Soldering Purposes, 1/8″ from case for 10 secondsT
Specified at Elevated Temperature
DS(on)
(TC = 25°C unless otherwise noted)
D
G
S
Rating
TMOS POWER FET
LOGIC LEVEL
50 AMPERES
30 VOLTS
R
CASE 221A–06, Style 5
SymbolValueUnit
DSS
DGR
V
GS
V
GSM
I
D
I
D
I
DM
P
D
E
AS
R
θJC
R
θJA
L
= 0.025 OHM
DS(on)
TO–220AB
± 15
± 20
150
125
–55 to 150°C
stg
1250mJ
62.5
260°C
30Vdc
30Vdc
Vdc
Vpk
50
31
1.0
1.0
Adc
Apk
Watts
W/°C
°C/W
Preferred devices are Motorola recommended choices for future use and best overall value.
REV 2
Motorola TMOS Power MOSFET Transistor Device Data
Motorola, Inc. 1997
1
Page 2
MTP50P03HDL
)
f = 1.0 MHz)
V
RG2.3 Ω)
(
DS
,
D
,
(
S
,
GS
,
ELECTRICAL CHARACTERISTICS
OFF CHARACTERISTICS
Drain–to–Source Breakdown Voltage(Cpk ≥ 2.0) (3)
(VGS = 0 Vdc, ID = 250 µAdc)
T emperature Coef ficient (Positive)
VDS, DRAIN–TO–SOURCE VOL TAGE (VOLTS)VGS, GATE–T O–SOURCE VOLT AGE (VOLTS)
VGS = 10 V
8 V
6 V
Figure 1. On–Region CharacteristicsFigure 2. Transfer Characteristics
0.029
V
= 5.0 V
GS
0.027
0.025
0.023
0.021
TJ = 100°C
25°C
5 V
4.5 V
4 V
3.5 V
3 V
2.5 V
100
VDS ≥ 10 V
80
60
40
, DRAIN CURRENT (AMPS)
D
I
20
0
1.51.92.32.73.54.33.13.9
0.022
TJ = 25°C
0.021
0.020
0.019
0.018
VGS = 5 V
TJ = – 55°C
25°C
100°C
0.019
, DRAIN–TO–SOURCE RESIST ANCE (OHMS)
0.017
DS(on)
0.015
R
020406080100
ID, DRAIN CURRENT (AMPS)
–55°C
Figure 3. On–Resistance versus Drain Current
and T emperature
1.35
VGS = 5 V
ID = 25 A
1.25
1.15
1.05
(NORMALIZED)
, DRAIN–TO–SOURCE RESIST ANCE
0.95
DS(on)
R
0.85
– 50– 250255075100125150
TJ, JUNCTION TEMPERATURE (
°
C)
0.017
, DRAIN–TO–SOURCE RESIST ANCE (OHMS)
0.016
0.015
DS(on)
R
020406080100
ID, DRAIN CURRENT (AMPS)
10 V
Figure 4. On–Resistance versus Drain Current
and Gate Voltage
1000
VGS = 0 V
TJ = 125°C
100
, LEAKAGE (nA)
DSS
I
100°C
10
0510202530
VDS, DRAIN–TO–SOURCE VOL TAGE (VOLTS)
15
Figure 5. On–Resistance Variation with
Temperature
Motorola TMOS Power MOSFET Transistor Device Data
Figure 6. Drain–T o–Source Leakage
Current versus Voltage
3
Page 4
MTP50P03HDL
POWER MOSFET SWITCHING
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.
14000
VDS = 0 V
12000
C
10000
C, CAPACITANCE (pF)
iss
8000
6000
C
rss
4000
2000
0
10010152025
55
GATE–T O–SOURCE OR DRAIN–TO–SOURCE VOLTAGE (VOLTS)
VGS = 0 V
C
rss
V
GS
V
DS
T
C
iss
C
oss
Figure 7. Capacitance Variation
= 25°C
J
4
Motorola TMOS Power MOSFET Transistor Device Data
Page 5
630
QT
5
Q1
4
3
Q2
V
GS
25
20
15
1000
VDD = 30 VID = 50 A
VGS = 10 VTJ = 25
100
MTP50P03HDL
°
C
t
d(off)
t
r
t
f
2
, GATE–T O–SOURCE VOLT AGE (VOLTS)
1
GS
V
0
010406070803050
Q3
20
QT, TOTAL GATE CHARGE (nC)RG, GATE RESISTANCE (Ohms)
ID = 50 A
TJ = 25
V
DS
10
°
C
5
0
Figure 8. Gate–T o–Source and Drain–To–Source
V oltage versus Total Charge
DRAIN–TO–SOURCE DIODE CHARACTERISTICS
The switching characteristics of a MOSFET body diode
are very important in systems using it as a freewheeling or
commutating diode. Of particular interest are the reverse recovery characteristics which play a major role in determining
switching losses, radiated noise, EMI and RFI.
System switching losses are largely due to the nature of
the body diode itself. The body diode is a minority carrier device, therefore it has a finite reverse recovery time, trr, due to
the storage of minority carrier charge, QRR, as shown in the
typical reverse recovery wave form of Figure 12. It is this
stored charge that, when cleared from the diode, passes
through a potential and defines an energy loss. Obviously,
repeatedly forcing the diode through reverse recovery further
increases switching losses. Therefore, one would like a
diode with short trr and low QRR specifications to minimize
these losses.
The abruptness of diode reverse recovery effects the
amount of radiated noise, voltage spikes, and current ringing. The mechanisms at work are finite irremovable circuit
parasitic inductances and capacitances acted upon by high
t, TIME (ns)
t
, DRAIN–TO–SOURCE VOL TAGE (VOLTS)
DS
V
10
110
d(on)
Figure 9. Resistive Switching Time
Variation versus Gate Resistance
di/dts. The diode’s negative di/dt during ta is directly controlled by the device clearing the stored charge. However,
the positive di/dt during tb is an uncontrollable diode characteristic and is usually the culprit that induces current ringing.
Therefore, when comparing diodes, the ratio of tb/ta serves
as a good indicator of recovery abruptness and thus gives a
comparative estimate of probable noise generated. A ratio of
1 is considered ideal and values less than 0.5 are considered
snappy.
Compared to Motorola standard cell density low voltage
MOSFETs, high cell density MOSFET diodes are faster
(shorter trr), have less stored charge and a softer reverse recovery characteristic. The softness advantage of the high
cell density diode means they can be forced through reverse
recovery at a higher di/dt than a standard cell MOSFET
diode without increasing the current ringing or the noise generated. In addition, power dissipation incurred from switching
the diode will be less due to the shorter recovery time and
lower switching losses.
50
VGS = 0 V
TJ = 25
°
C
40
30
20
, SOURCE CURRENT (AMPS)
S
I
10
0
0.40.81.21.62.02.4
0.61.01.41.82.2
VSD, SOURCE–TO–DRAIN VOL TAGE (VOLTS)
Figure 10. Diode Forward V oltage versus Current
Motorola TMOS Power MOSFET Transistor Device Data
5
Page 6
MTP50P03HDL
di/dt = 300 A/µs
, SOURCE CURRENT
S
I
Figure 11. Reverse Recovery T ime (trr)
SAFE OPERATING AREA
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
time (tr, tf) does not exceed 10 µs. In addition the total power
averaged over a complete switching cycle must not exceed
(T
J(MAX)
– TC)/(R
A power MOSFET designated E–FET can be safely used
in switching circuits with unclamped inductive loads. For reli-
) is exceeded, and that the transition
DSS
).
θJC
Standard Cell Density
t
rr
High Cell Density
t
rr
t
b
t
a
t, TIME
able operation, the stored energy from circuit inductance dissipated in the transistor while in avalanche must be less than
the rated limit and must be 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 13). Maximum energy at currents below rated continuous ID can safely be assumed to
equal the values indicated.
1000
VGS = 20 V
SINGLE PULSE
°
C
TC = 25
100
10
, DRAIN CURRENT (AMPS)
D
I
1
0.11.010100
VDS, DRAIN–TO–SOURCE VOL TAGE (VOLTS)TJ, STARTING JUNCTION TEMPERATURE (°C)
R
LIMIT
DS(on)
THERMAL LIMIT
PACKAGE LIMIT
100 µs
1 ms
10 ms
dc
Figure 12. Maximum Rated Forward Biased
Safe Operating Area
6
1400
1200
1000
800
600
400
AVALANCHE ENERGY (mJ)
, SINGLE PULSE DRAIN–TO–SOURCE
200
AS
E
0
251505010012575
ID = 50 A
Figure 13. Maximum Avalanche Energy versus
Starting Junction T emperature
Motorola TMOS Power MOSFET Transistor Device Data
Page 7
1.0
MTP50P03HDL
D = 0.5
0.2
0.1
0.1
0.05
0.02
(NORMALIZED)
0.01
SINGLE PULSE
0.01
1.0E–051.0E–041.0E–021.0E–03
r(t), EFFECTIVE TRANSIENT THERMAL RESISTANCE
t, TIME (s)
Figure 14. Thermal Response
di/dt
I
S
t
a
t
p
P
(pk)
t
1
DUTY CYCLE, D = t1/t
t
rr
t
b
0.25 I
S
I
S
t
2
0.1
1.0E–01
TIME
R
(t) = r(t) R
θ
JC
D CURVES APPLY FOR POWER
PULSE TRAIN SHOWN
READ TIME AT t
T
J(pk)
2
θ
JC
– TC = P
1
R
(pk)
1.0E+001.0E+01
(t)
θ
JC
Figure 15. Diode Reverse Recovery Waveform
Motorola TMOS Power MOSFET Transistor Device Data
7
Page 8
MTP50P03HDL
P ACKAGE DIMENSIONS
SEATING
–T–
PLANE
B
4
Q
123
F
T
A
U
H
K
Z
L
V
C
S
STYLE 5:
PIN 1. GATE
2. DRAIN
3. SOURCE
4. DRAIN
R
J
G
D
N
CASE 221A–06
NOTES:
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.
MTP50P03HDL/D
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