
Semiconductor
BUZ21
[ /Title
(BUZ21)
Subject
(19A,
100V,
0.100
Ohm, NChannel
Power
MOSFET)
Author
()
Keywords
(Harris
Semiconductor, NChannel
Power
MOSFET,
TO220AB)
Creator
()
DOCIN
FO pdfmark
Data Sheet
19A, 100V, 0.100 Ohm, N-Channel Power
MOSFET
This is an N-Channel enhancement mode silicon gate power
field effect transistor designed for applications such as
switching regulators, switching converters, motor drivers,
relay drivers, and drivers for high power bipolar switching
transistors requiring high speed and low gate drive power.
This type can be operated directly from integrated circuits.
Formerly developmental type TA9854.
Ordering Information
PART NUMBER PACKAGE BRAND
BUZ21 TO-220AB BUZ21
NOTE: When ordering, use the entire part number.
Packaging
JEDEC TO-220AB
DRAIN (FLANGE)
October 1998 File Number 2420.1
Features
• 19A, 100V
•r
• SOA is Power Dissipation Limited
• Nanosecond Switching Speeds
• Linear Transfer Characteristics
• High Input Impedance
• Majority Carrier Device
• Related Literature
- TB334 “Guidelines for Soldering Surface Mount
= 0.100Ω
DS(ON)
Components to PC Boards”
Symbol
D
G
S
SOURCE
DRAIN
GATE
[ /PageMode
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1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-800-4-HARRIS
| Copyright © Harris Corporation 1998

BUZ21
Absolute Maximum Ratings T
= 25oC, Unless Otherwise Specified
C
BUZ21 UNITS
Drain to Source Breakdown Voltage (Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . V
Drain to Gate Voltage (RGS = 20kΩ) (Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .V
Continuous Drain Current, TC = 55oC. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I
Pulsed Drain Current (Note 3) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .I
Gate to Source Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . V
Maximum Power Dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P
Single Pulse Avalanche Energy Rating (Note 4) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E
DS
DGR
D
DM
GS
D
AS
Linear Derating Factor. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.6 W/oC
Operating and Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . TJ,T
STG
100 V
100 V
19 A
75 A
±20 V
75 W
230 mJ
-55 to 150
o
C
DIN Humidity Category - DIN 40040 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E
IEC Climatic Category - DIN IEC 68-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55/150/56
Maximum Temperature for Soldering
Leads at 0.063in (1.6mm) from Case for 10s. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .T
Package Body for 10s, See Techbrief 334 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . T
CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operationofthe
device at these or any other conditions above those indicated in the operational sections of this specification is not implied.
L
pkg
300
260
o
C
o
C
NOTE:
1. TJ = 25oC to 125oC.
Electrical Specifications T
= 25oC, Unless Otherwise Specified
C
PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNITS
Drain to Source Breakdown Voltage BV
Gate to Threshold Voltage V
Zero Gate Voltage Drain Current I
DSSID
GS(TH)VGS
DSS
= 250µA, VGS = 0V 100 - - V
= VDS, ID = 1mA (Figure 9) 2.1 3 4 V
TJ = 25oC, VDS = 100V, VGS = 0V - 20 250 µA
TJ = 125oC, VDS = 100V, VGS = 0V - 100 1000 µA
Gate to Source Leakage Current I
Drain to Source On Resistance (Note 2) r
DS(ON)ID
Forward Transconductance (Note 2) g
Turn-On Delay Time t
d(ON)
Rise Time t
Turn-Off Delay Time t
d(OFF)
Fall Time t
Input Capacitance C
Output Capacitance C
Reverse Transfer Capacitance C
Thermal Resistance Junction to Case R
Thermal Resistance Junction to Ambient R
GSS
OSS
RSS
VGS = 20V, VDS = 0V - 10 100 nA
= 9A, VGS = 10V (Figure 8) - 0.09 0.1 Ω
VDS = 25V, ID = 9A (Figure 11) 4 8 - S
fs
VCC= 30V,I
= 10Ω. (Figures 16, 17)
r
≈3A,V
D
= 10V,RGS=50Ω, R
GS
-3045 ns
L
-5075 ns
- 170 220 ns
f
VDS = 25V, VGS = 0V, f = 1MHz (Figure 10) - 1500 2000 pF
ISS
- 80 110 ns
- 450 700 pF
- 150 240 pF
θJC
θJA
≤ 1.67
≤ 75
o
o
C/W
C/W
Source to Drain Diode Specifications
PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNITS
Continuous Source to Drain Current I
Pulsed Source to Drain Current I
Source to Drain Diode Voltage V
Reverse Recovery Time t
Reverse Recovery Charge Q
SD
SDM
SD
RR
TC = 25oC--19A
TC = 25oC--75A
TJ = 25oC, ISD = 38A, VGS = 0V - 1.5 2.1 V
TJ = 25oC, ISD = 19A, dISD/dt = 100A/µs,
rr
VR = 30V
- 200 - ns
- 0.25 - µC
NOTES:
2. Pulse Test: Pulse width ≤ 300µs, duty cycle ≤ 2%.
3. Repetitive rating: pulse width limited by maximum junction temperature. See Transient Thermal Impedance curve (Figure 3).
4. VDD = 25V, starting TJ = 25oC, L = 440µH, RG = 50Ω, I
= 28A. (See Figures 14 and 15).
PEAK
2

BUZ21
Typical Performance Curves
1.2
1.0
0.8
0.6
0.4
0.2
POWER DISSIPATION MULTIPLIER
0
0 25 50 75 100 150
TC, CASE TEMPERATURE (oC)
Unless Otherwise Specified
125
FIGURE 1. NORMALIZEDPOWER DISSIPATIONvs CASE
TEMPERATURE
1
0.5
30
VGS ≥ 10V
25
20
15
10
, DRAIN CURRENT (A)
D
I
5
0
0
50 100
TC, CASE TEMPERATURE (oC)
FIGURE 2. MAXIMUMCONTINUOUS DRAIN CURRENTvs
CASE TEMPERATURE
150
0.2
0.1
0.1
TRANSIENT THERMAL IMPEDANCE
θJC,
Z
0.01
10
2
10
1
10
OPERATION IN THIS
AREA LIMITED MAY BE
BY r
0
10
, DRAIN CURRENT (A)
D
I
TC = 25oC
TJ = MAX RATED
-1
10
0
10
0.05
0.02
0.01
0
-5
DS(ON)
VDS, DRAIN TO SOURCE VOLTAGE (V)
P
DM
t
1
t
NOTES:
DUTY FACTOR: D = t
PEAK TJ = PDM x Z
-4
10
-3
10
t, RECTANGULAR PULSE DURATION (s)
-2
10
-1
10
10
2
1/t2
+ T
θJC
C
0
1
10
FIGURE 3. MAXIMUM TRANSIENT THERMAL IMPEDANCE
1.5µs
10µs
100µs
1ms
10ms
100ms
DC
1
10
2
10
3
10
40
PD =
75W
30
20
, DRAIN CURRENT (A)
10
D
I
0
02 6 10
VDS, DRAIN TO SOURCE VOLTAGE (V)
10V
20V
48
VGS = 80V
VGS = 7.5V
VGS = 7.0V
VGS = 6.5V
VGS = 6.0V
VGS = 5.5V
VGS = 5.0V
VGS = 4.5V
VGS = 4.0V
12
FIGURE 4. FORWARD BIAS SAFE OPERATING AREA FIGURE 5. OUTPUT CHARACTERISTICS
3

BUZ21
Typical Performance Curves
25
PULSE DURATION = 80µs
= 25V
V
DS
20
15
10
5
, DRAIN TO SOURCE CURRENT (A)
DS(ON)
I
0
0510
V
, GATE TO SOURCE VOLTAGE (V)
GS
Unless Otherwise Specified (Continued)
TJ = 25oC
FIGURE 6. TRANSFER CHARACTERISTICS FIGURE 7. DRAIN TO SOURCE ON RESISTANCE vs GATE
0.25
VGS = 10V, ID = 9A
PULSE DURATION = 80µs
0.20
0.4
PULSE DURATION = 80µs
0.3
0.2
, ON-STATE RESISTANCE (Ω)
0.1
DS(ON)
r
VGS = 5V
0
0102030
5.5V 7.5V7V6.5V6V
, DRAIN CURRENT (A)
I
D
VOLTAGE AND DRAIN CURRENT
5
VDS = VGS, ID = 1mA
4
8V
9V
10V
20V
40
0.15
0.10
, DRAIN TO SOURCE
ON RESISTANCE (Ω)
0.05
DS(ON)
r
0
-50 0 50 100 150
T
, JUNCTION TEMPERATURE (oC)
J
FIGURE 8. DRAIN TO SOURCE ON RESISTANCE vs
JUNCTION TEMPERATURE
1
10
VGS = 0, f = 1MHz
C
0
10
-1
10
VGS = 0V, f = 1MHz
C, CAPACITANCE (nF)
C
= CGS + C
ISS
C
= C
RSS
C
OSS
-2
10
010203040
GD
GD
≈ CDS + C
GD
, DRAIN TO SOURCE VOLTAGE (V)
V
DS
ISS
C
OSS
C
RSS
3
2
1
GATE THRESHOLD VOLTAGE
0
-50 0 50 100 150
T
, JUNCTION TEMPERATURE (oC)
J
FIGURE 9. GATE THRESHOLD VOLTAGE vs JUNCTION
TEMPERATURE
10
PULSE DURATION = 80µs
VDS = 25V
8
6
4
, TRANSCONDUCTANCE (S)
2
fs
g
0
0 5 10 15 20 25
TJ = 25oC
, DRAIN CURRENT (A)
I
D
FIGURE 10. CAPACITANCE vs DRAIN TO SOURCE VOLTAGE FIGURE 11. TRANSCONDUCTANCE vs DRAIN CURRENT
4

BUZ21
Typical Performance Curves
2
10
PULSE DURATION = 80µs
TJ = 150oC
1
10
0
10
, SOURCE TO DRAIN CURRENT (A)
SD
I
-1
10
0 0.5 1.0 1.5 2.0 2.5 3.0
TJ = 25oC
, SOURCE TO DRAIN VOLTAGE (V)
V
SD
Unless Otherwise Specified (Continued)
15
10
5
, GATE TO SOURCE VOLTAGE (V)
GS
V
0
0 1020304050
ID = 21A
VDS = 20V
V
DS
Q
, TOTAL GATE CHARGE (nC)
g(TOT)
= 80V
FIGURE 12. SOURCE TO DRAIN DIODE VOLTAGE FIGURE 13. GATE TO SOURCE VOLTAGE vs GATE CHARGE
Test Circuits and Waveforms
V
VARY t
TO OBTAIN
P
REQUIRED PEAK I
V
GS
AS
DS
L
R
G
+
V
DD
-
t
I
AS
DUT
BV
DSS
P
V
DS
V
DD
0V
P
I
AS
0.01Ω
0
t
AV
t
FIGURE 14. UNCLAMPED ENERGY TEST CIRCUIT FIGURE 15. UNCLAMPED ENERGY WAVEFORMS
t
ON
t
d(ON)
t
R
L
+
V
R
G
DD
-
V
DS
0
r
90%
10%
DUT
V
GS
V
GS
10%
0
50%
PULSE WIDTH
t
d(OFF)
90%
FIGURE 16. SWITCHING TIME TEST CIRCUIT FIGURE 17. RESISTIVE SWITCHING WAVEFORMS
t
OFF
50%
t
f
90%
10%
5

BUZ21
Test Circuits and Waveforms
CURRENT
REGULATOR
12V
BATTERY
0
0.2µF
I
g(REF)
50kΩ
0.3µF
G
IG CURRENT
SAMPLING
RESISTOR RESISTOR
FIGURE 18. GATE CHARGE TEST CIRCUIT FIGURE 19. GATE CHARGE WAVEFORMS
(Continued)
V
DS
(ISOLATED
SUPPLY)
SAME TYPE
AS DUT
D
DUT
S
CURRENT
I
D
SAMPLING
V
DD
Q
g(TOT)
Q
gd
Q
gs
V
DS
0
V
DS
0
I
g(REF)
V
GS
6