MOTOROLA MTB1306

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SEMICONDUCTOR TECHNICAL DATA

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TMOS POWER FET
75 AMPERES
30 VOLTS
RDS(on) = 0.0065 OHM
N–Channel Enhancement–Mode Silicon Gate
The D2PAK package has the capability of housing a larger die
than any existing surface mount package which allows it to be used
in applications that require the use of surface mount components
with higher power and lower RDS(on) capabilities. This advanced
high–cell density HDTMOS power FET is designed to withstand
high energy in the avalanche and commutation modes. This new
energy efficient design also offers a drain–to–source diode with 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
• IDSS and VDS(on) Specified at Elevated Temperature
• Short Heatsink Tab Manufactured — Not Sheared
• Specially Designed Leadframe for Maximum Power Dissipation
• Surface Mount Package Available in 16 mm, 13–inch/2500
Unit Tape & Reel, Add T4 Suffix to Part Number
CASE 418B–03
D2PAK
MAXIMUM RATINGS (TC = 25°C unless otherwise noted)
Rating
Symbol
Value
Unit
Drain–to–Source Voltage
VDSS
30
Vdc
Drain–to–Gate Voltage (RGS = 1.0 MΩ)
VDGR
30
Vdc
Gate–to–Source Voltage — Continuous
— Non–Repetitive (tp ≤ 10 ms)
VGS
VGSM
± 20
± 20
Vdc
Vpk
Drain Current — Continuous
— Continuous @ 100°C
— Single Pulse (tp ≤ 10 µs)
ID
ID
IDM
75
59
225
Adc
Total Power Dissipation
Derate above 25°C
Total Power Dissipation @ TA = 25°C (1)
PD
150
1.2
2.5
Watts
W/°C
Watts
TJ, Tstg
– 55 to 150
°C
Operating and Storage Temperature Range
Apk
Single Pulse Drain–to–Source Avalanche Energy — Starting TJ = 25°C
(VDD = 25 Vdc, VGS = 10 Vdc, Peak IL = 75 Apk, L = 0.1 mH, RG = 25 Ω)
EAS
Thermal Resistance — Junction–to–Case
— Junction–to–Ambient
— Junction–to–Ambient (1)
RθJC
RθJA
RθJA
0.8
62.5
50
°C/W
TL
260
°C
Maximum Lead Temperature for Soldering Purposes, 1/8″ from Case for 5.0 seconds
mJ
280
(1) When surface mounted to an FR4 board using the minimum recommended pad size.
This document contains information on a new product. Specifications and information herein are subject to change without notice.
E–FET and HDTMOS are trademarks of Motorola, Inc.
Motorola
 Motorola,
Inc.TMOS
1997 Power MOSFET Transistor Device Data
1
MTB1306
ELECTRICAL CHARACTERISTICS (TJ = 25°C unless otherwise noted)
Characteristic
Symbol
Min
Typ
Max
Unit
30
—
—
—
—
—
—
10
100
—
—
100
1.0
1.5
2.0
—
—
5.8
7.4
6.5
8.5
—
—
0.44
—
0.5
0.38
gFS
15
55
—
mhos
Ciss
—
2560
3584
pF
Coss
—
1305
1827
Crss
—
386
772
td(on)
—
17
35
tr
—
170
340
td(off)
—
68
136
tf
—
145
290
QT
—
50
70
Q1
—
8.3
—
Q2
—
25.3
—
Q3
—
17.2
—
—
—
0.75
0.64
1.1
—
trr
—
84
—
ta
—
35
—
tb
—
53
—
QRR
—
0.13
—
OFF CHARACTERISTICS
Drain–to–Source Breakdown Voltage
(VGS = 0 Vdc, ID = 0.25 mAdc)
V(BR)DSS
Zero Gate Voltage Drain Current
(VDS = 30 Vdc, VGS = 0 Vdc)
(VDS = 30 Vdc, VGS = 0 Vdc, TJ = 125°C)
IDSS
Gate–Body Leakage Current (VGS = ± 20 Vdc, VDS = 0 Vdc)
IGSS
Vdc
µAdc
nAdc
ON CHARACTERISTICS(1)
Gate Threshold Voltage
(VDS = VGS, ID = 250 µAdc)
VGS(th)
Static Drain–to–Source On–Resistance
(VGS = 10 Vdc, ID = 38 Adc)
(VGS = 5.0 Vdc, ID = 38 Adc)
RDS(on)
Drain–to–Source On–Voltage
(VGS = 10 Vdc, ID = 75 Adc)
(VGS = 10 Vdc, ID = 38 Adc, TJ = 150°C)
VDS(on)
Forward Transconductance (VDS = 3.0 Vdc, ID = 20 Adc)
Vdc
mW
Vdc
DYNAMIC CHARACTERISTICS
Input Capacitance
Output Capacitance
(VDS = 25 Vdc,
Vdc VGS = 0 Vdc,
Vdc
f = 1.0 MHz)
Transfer Capacitance
SWITCHING CHARACTERISTICS(2)
Turn–On Delay Time
Rise Time
Turn–Off Delay Time
(VDD = 15 Vdc,
Vd ID = 75 Adc,
Ad
VGS = 5.0
5 0 Vdc,
Vdc
RG = 4.7 Ω))
Fall Time
Gate Charge
Vd , ID = 75 Adc,
Ad ,
( DS = 24 Vdc,
(V
VGS = 5.0 Vdc)
ns
nC
SOURCE–DRAIN DIODE CHARACTERISTICS
Forward On–Voltage
VSD
(IS = 20 Adc, VGS = 0 Vdc)
(IS = 20 Adc, VGS = 0 Vdc, TJ = 125°C)
Reverse Recovery Time
Ad , VGS = 0 Vdc,
Vd ,
((IS = 20 Adc,
dIS/dt = 100 A/µs)
Reverse Recovery Stored Charge
Vdc
ns
µC
(1) Pulse Test: Pulse Width ≤ 300 µs, Duty Cycle ≤ 2%.
(2) Switching characteristics are independent of operating junction temperature.
2
Motorola TMOS Power MOSFET Transistor Device Data
MTB1306
TYPICAL ELECTRICAL CHARACTERISTICS
150
180
5.0 V
4.0 V
TJ = 25°C
VDS ≥ 10 V
160
125
ID , DRAIN CURRENT (AMPS)
I D , DRAIN CURRENT (AMPS)
VGS = 10 V
100
75
50
25
140
120
100
80
60
25°C
40
125°C
20
0
TJ = –55°C
0
0.5
1.0
1.75
0.25
0.75
1.25
1.5
VDS, DRAIN–TO–SOURCE VOLTAGE (VOLTS)
0
2.0
2.0
0.010
VGS ≥ 10 V
0.009
0.008
TJ = 100°C
0.007
25°C
0.006
0.005
–55°C
0.004
0.003
0.002
0.001
0
20
40
60
100
80
ID, DRAIN CURRENT (AMPS)
140
120
0.009
TJ = 25°C
0.008
VGS = 5.0 V
0.007
0.006
10 V
0.005
0.004
20 30 40
Figure 3. On–Resistance versus Drain Current
and Temperature
50
60 70 80 90 100 110 120 130 140 150
ID, DRAIN CURRENT (AMPS)
Figure 4. On–Resistance versus Drain Current
and Gate Voltage
10,000
2.0
VGS = 10 V
ID = 38 A
1.5
I DSS , LEAKAGE (nA)
RDS(on) , DRAIN–TO–SOURCE RESISTANCE
(NORMALIZED)
4.5
Figure 2. Transfer Characteristics
RDS(on) , DRAIN–TO–SOURCE ON–RESISTANCE (OHMS)
RDS(on) , DRAIN–TO–SOURCE RESISTANCE (OHMS)
Figure 1. On–Region Characteristics
2.5
3.0
3.5
4.0
VGS, GATE–TO–SOURCE VOLTAGE (VOLTS)
1.0
1000
TJ = 125°C
100
100°C
0.5
0
–50
10
–25
0
25
50
75
100
TJ, JUNCTION TEMPERATURE (°C)
125
150
Figure 5. On–Resistance Variation with
Temperature
Motorola TMOS Power MOSFET Transistor Device Data
5.0
10
15
20
25
VDS, DRAIN–TO–SOURCE VOLTAGE (VOLTS)
30
Figure 6. Drain–To–Source Leakage
Current versus Voltage
3
MTB1306
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 capacitance (Ciss) is read from the capacitance curve at
a voltage corresponding to the off–state condition when calculating td(on) and is read at a voltage corresponding to the
on–state when calculating td(off).
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 (IG(AV)) can be made from a rudimentary analysis of
the drive circuit so that
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.
t = Q/IG(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, VSGP. Therefore, rise and fall times may
be approximated by the following:
tr = Q2 x RG/(VGG – VGSP)
tf = Q2 x RG/VGSP
where
VGG = the gate drive voltage, which varies from zero to VGG
RG = the gate drive resistance
and Q2 and VGSP are read from the gate charge curve.
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:
td(on) = RG Ciss In [VGG/(VGG – VGSP)]
td(off) = RG Ciss In (VGG/VGSP)
9000
C, CAPACITANCE (pF)
8000
7000
VDS = 0 V
VGS = 0 V
Ciss
6000
5000
Crss
4000
3000
Ciss
2000
Coss
1000
Crss
0
–10
–5.0
VGS
5.0
0
10
15
20
25
VDS
VGS OR VDS, GATE–TO–SOURCE OR DRAIN–TO–SOURCE
VOLTAGE (VOLTS)
Figure 7. Capacitance Variation
4
Motorola TMOS Power MOSFET Transistor Device Data
18
15
7.5
QT
12
VGS
5.0
9.0
Q1
Q2
6.0
2.5
Q3
TJ = 25°C
ID = 75 A
VDS
3.0
0
0
0
10
50
20
30
40
QG, TOTAL GATE CHARGE (nC)
10,000
VDD = 15 V
ID = 75 A
VGS = 5.0 V
TJ = 25°C
1000
t, TIME (ns)
10
VDS , DRAIN–TO–SOURCE VOLTAGE (VOLTS)
VGS, GATE–TO–SOURCE VOLTAGE (VOLTS)
MTB1306
tr
tf
100
td(off)
td(on)
10
1.0
60
Figure 8. Gate–To–Source and Drain–To–Source
Voltage versus Total Charge
10
RG, GATE RESISTANCE (OHMS)
100
Figure 9. Resistive Switching Time
Variation versus Gate Resistance
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 15. 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
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.
20
VGS = 0 V
TJ = 25°C
IS , SOURCE CURRENT (AMPS)
18
16
14
12
10
8.0
6.0
4.0
2.0
0
0.45
0.50
0.55
0.60
0.65
0.70
0.75
VSD, SOURCE–TO–DRAIN VOLTAGE (VOLTS)
Figure 10. Diode Forward Voltage versus Current
Motorola TMOS Power MOSFET Transistor Device Data
5
MTB1306
Standard Cell Density
trr
I S , SOURCE CURRENT
High Cell Density
trr
tb
ta
t, TIME
Figure 11. Reverse Recovery Time (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 (VDSS) is exceeded and the transition time
(tr,tf) do not exceed 10 µs. In addition the total power averaged over a complete switching cycle must not exceed
(TJ(MAX) – TC)/(RθJC).
A Power MOSFET designated E–FET can be safely used
in switching circuits with unclamped inductive loads. For reli-
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.
280
100
VGS = 10 V
SINGLE PULSE
TC = 25°C
EAS , SINGLE PULSE DRAIN–TO–SOURCE
AVALANCHE ENERGY (mJ)
I D , DRAIN CURRENT (AMPS)
1000
1.0 ms
10 ms
10
dc
1.0
RDS(on) LIMIT
THERMAL LIMIT
PACKAGE LIMIT
0.1
200
160
120
80
40
0
0.1
10
1.0
VDS, DRAIN–TO–SOURCE VOLTAGE (VOLTS)
Figure 12. Maximum Rated Forward Biased
Safe Operating Area
6
ID = 75 A
240
100
25
50
75
100
125
TJ, STARTING JUNCTION TEMPERATURE (°C)
150
Figure 13. Maximum Avalanche Energy versus
Starting Junction Temperature
Motorola TMOS Power MOSFET Transistor Device Data
MTB1306
r(t), NORMALIZED EFFECTIVE
TRANSIENT THERMAL RESISTANCE
1.0
D = 0.5
0.2
0.1
0.1
P(pk)
0.05
0.02
t1
0.01
t2
DUTY CYCLE, D = t1/t2
SINGLE PULSE
RθJC(t) = r(t) RθJC
D CURVES APPLY FOR POWER
PULSE TRAIN SHOWN
READ TIME AT t1
TJ(pk) – TC = P(pk) RθJC(t)
0.01
1.0E–05
1.0E–04
1.0E–03
1.0E–02
t, TIME (s)
1.0E–01
1.0E+00
1.0E+01
Figure 14. Thermal Response
di/dt
IS
trr
ta
tb
TIME
0.25 IS
tp
IS
Figure 15. Diode Reverse Recovery Waveform
Motorola TMOS Power MOSFET Transistor Device Data
7
MTB1306
PACKAGE DIMENSIONS
C
E
V
–B–
4
A
1
2
3
DIM
A
B
C
D
E
G
H
J
K
S
V
S
–T–
SEATING
PLANE
K
J
G
D 3 PL
0.13 (0.005)
H
M
T B
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2. CONTROLLING DIMENSION: INCH.
INCHES
MIN
MAX
0.340
0.380
0.380
0.405
0.160
0.190
0.020
0.035
0.045
0.055
0.100 BSC
0.080
0.110
0.018
0.025
0.090
0.110
0.575
0.625
0.045
0.055
MILLIMETERS
MIN
MAX
8.64
9.65
9.65
10.29
4.06
4.83
0.51
0.89
1.14
1.40
2.54 BSC
2.03
2.79
0.46
0.64
2.29
2.79
14.60
15.88
1.14
1.40
M
CASE 418B–03
(D2PAK)
ISSUE C
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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
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Mfax is a trademark of Motorola, Inc.
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8
◊
MTB1306/D
Motorola TMOS Power MOSFET Transistor Device
Data