PD - 94547A
HEXFET Power MOSFET
Applications
l
High Frequency Synchronous Buck
Converters for Computer Processor Power
l
High Frequency Isolated DC-DC
Converters with Synchronous Rectification
for Telecom and Industrial Use
Benefits
l
Very Low RDS(on) at 4.5V V
GS
l
Ultra-Low Gate Impedance
l
Fully Characterized Avalanche Voltage
and Current
IRLR7833
IRLU7833
®
Qg
33nC
V
DSS
R
DS(on)
max
30V
4.5m
:
D-Pak
IRLR7833
I-Pak
IRLU7833
Absolute Maximum Ratings
Parameter
V
DS
V
GS
I
D
@ T
C
= 25°C
I
D
@ T
C
= 100°C
I
DM
P
D
@T
C
= 25°C
P
D
@T
C
= 100°C
T
J
T
STG
Drain-to-Source Voltage
Gate-to-Source Voltage
Continuous Drain Current, V
GS
@ 10V
Continuous Drain Current, V
GS
@ 10V
Pulsed Drain Current
Max.
30
± 20
140
560
140
71
0.95
-55 to + 175
Units
V
g
Maximum Power Dissipation
g
Maximum Power Dissipation
Linear Derating Factor
Operating Junction and
Storage Temperature Range
f
99
f
A
W
W/°C
°C
Soldering Temperature, for 10 seconds
Mounting torque, 6-32 or M3 screw
300 (1.6mm from case)
10 lbf in (1.1N m)
x
x
Thermal Resistance
Parameter
R
θJC
R
θJA
R
θJA
Junction-to-Case
Junction-to-Ambient (PCB Mount)
Junction-to-Ambient
Typ.
Max.
1.05
50
110
Units
°C/W
gÃ
–––
–––
–––
Notes
through
are on page 11
www.irf.com
1
3/19/04
IRLR/U7833
Static @ T
J
= 25°C (unless otherwise specified)
Parameter
BV
DSS
∆ΒV
DSS
/∆T
J
R
DS(on)
V
GS(th)
∆V
GS(th)
/∆T
J
I
DSS
I
GSS
gfs
Q
g
Q
gs1
Q
gs2
Q
gd
Q
godr
Q
sw
Q
oss
t
d(on)
t
r
t
d(off)
t
f
C
iss
C
oss
C
rss
Drain-to-Source Breakdown Voltage
Breakdown Voltage Temp. Coefficient
Static Drain-to-Source On-Resistance
Gate Threshold Voltage
Gate Threshold Voltage Coefficient
Drain-to-Source Leakage Current
Gate-to-Source Forward Leakage
Gate-to-Source Reverse Leakage
Forward Transconductance
Total Gate Charge
Pre-Vth Gate-to-Source Charge
Post-Vth Gate-to-Source Charge
Gate-to-Drain Charge
Gate Charge Overdrive
Switch Charge (Q
gs2
+ Q
gd
)
Output Charge
Turn-On Delay Time
Rise Time
Turn-Off Delay Time
Fall Time
Input Capacitance
Output Capacitance
Reverse Transfer Capacitance
Min. Typ. Max. Units
30
–––
–––
–––
1.4
–––
–––
–––
–––
–––
66
–––
–––
–––
–––
–––
–––
–––
–––
–––
–––
–––
–––
–––
–––
–––
19
3.6
4.4
–––
-6.0
–––
–––
–––
–––
–––
33
8.7
2.1
13
9.9
15
22
14
6.9
23
15
4010
950
470
–––
–––
4.5
5.5
2.3
–––
1.0
150
100
-100
–––
50
–––
–––
–––
–––
–––
–––
–––
–––
–––
–––
–––
–––
–––
pF
nC
nC
V
Conditions
V
GS
= 0V, I
D
= 250µA
mV/°C Reference to 25°C, I
D
= 1mA
mΩ V
GS
= 10V, I
D
= 15A
V
V
GS
= 4.5V, I
D
V
DS
= V
GS
, I
D
= 250µA
f
= 12A
f
mV/°C
µA V
DS
= 24V, V
GS
= 0V
nA
S
V
DS
= 24V, V
GS
= 0V, T
J
= 125°C
V
GS
= 20V
V
GS
= -20V
V
DS
= 15V, I
D
= 12A
V
DS
= 16V
V
GS
= 4.5V
I
D
= 12A
See Fig. 16
V
DS
= 16V, V
GS
= 0V
V
DD
= 15V, V
GS
= 4.5V
f
ns
I
D
= 12A
Clamped Inductive Load
V
GS
= 0V
V
DS
= 15V
ƒ = 1.0MHz
Avalanche Characteristics
E
AS
I
AR
E
AR
Parameter
Single Pulse Avalanche Energy
Avalanche Current
Ã
d
Repetitive Avalanche Energy
–––
–––
–––
–––
–––
–––
–––
–––
39
37
Typ.
–––
–––
–––
Max.
530
20
14
Units
mJ
A
mJ
Diode Characteristics
Parameter
I
S
I
SM
V
SD
t
rr
Q
rr
t
on
Continuous Source Current
(Body Diode)
Pulsed Source Current
(Body Diode)
Diode Forward Voltage
Reverse Recovery Time
Reverse Recovery Charge
Forward Turn-On Time
Min. Typ. Max. Units
140
f
Conditions
MOSFET symbol
D
A
560
1.0
58
55
V
ns
nC
Ãh
showing the
integral reverse
G
S
p-n junction diode.
T
J
= 25°C, I
S
= 12A, V
GS
= 0V
T
J
= 25°C, I
F
= 12A, V
DD
= 15V
di/dt = 100A/µs
f
f
Intrinsic turn-on time is negligible (turn-on is dominated by LS+LD)
2
www.irf.com
IRLR/U7833
1000
TOP
VGS
10V
5.0V
4.5V
3.5V
3.0V
2.7V
2.5V
2.25V
1000
TOP
VGS
10V
5.0V
4.5V
3.5V
3.0V
2.7V
2.5V
2.25V
ID, Drain-to-Source Current (A)
100
ID, Drain-to-Source Current (A)
100
BOTTOM
10
BOTTOM
1
10
2.25V
0.1
2.25V
20µs PULSE WIDTH
Tj = 25°C
0.01
0.1
1
10
100
1000
1
0.1
1
20µs PULSE WIDTH
Tj = 175°C
10
100
1000
VDS, Drain-to-Source Voltage (V)
VDS, Drain-to-Source Voltage (V)
Fig 1.
Typical Output Characteristics
Fig 2.
Typical Output Characteristics
1000.0
2.0
RDS(on) , Drain-to-Source On Resistance
ID = 30A
VGS = 10V
ID, Drain-to-Source Current
(Α
)
100.00
T J = 175°C
1.5
10.00
(Normalized)
1.00
T J = 25°C
VDS = 25V
20µs PULSE WIDTH
1.0
0.10
2.0
3.0
4.0
5.0
6.0
0.5
-60 -40 -20 0
20 40 60 80 100 120 140 160 180
VGS , Gate-to-Source Voltage (V)
T J , Junction Temperature (°C)
Fig 3.
Typical Transfer Characteristics
Fig 4.
Normalized On-Resistance
vs. Temperature
www.irf.com
3
IRLR/U7833
100000
VGS = 0V,
f = 1 MHZ
Ciss = Cgs + Cgd, C ds SHORTED
Crss = Cgd
Coss = Cds + Cgd
6.0
ID= 12A
VGS , Gate-to-Source Voltage (V)
5.0
VDS= 24V
VDS= 15V
C, Capacitance(pF)
10000
4.0
Ciss
Coss
1000
3.0
2.0
Crss
1.0
100
1
10
100
0.0
0
10
20
30
40
50
VDS, Drain-to-Source Voltage (V)
Q G Total Gate Charge (nC)
Fig 5.
Typical Capacitance vs.
Drain-to-Source Voltage
Fig 6.
Typical Gate Charge vs.
Gate-to-Source Voltage
1000.00
10000
OPERATION IN THIS AREA
LIMITED BY R DS(on)
100.00
T J = 175°C
10.00
ID, Drain-to-Source Current (A)
ISD, Reverse Drain Current (A)
1000
100
100µsec
1.00
T J = 25°C
10
Tc = 25°C
Tj = 175°C
Single Pulse
1
1
10
1msec
VGS = 0V
0.10
0.0
0.5
1.0
1.5
2.0
2.5
VSD, Source-to-Drain Voltage (V)
10msec
100
1000
VDS, Drain-to-Source Voltage (V)
Fig 7.
Typical Source-Drain Diode
Forward Voltage
Fig 8.
Maximum Safe Operating Area
4
www.irf.com
IRLR/U7833
150
2.5
LIMITED BY PACKAGE
125
VGS(th) Gate threshold Voltage (V)
2.0
100
I
D
, Drain Current (A)
1.5
ID = 250µA
75
1.0
50
0.5
25
0
25
50
75
100
125
150
175
0.0
-75 -50 -25
0
25
50
75
100 125 150 175
T
C
, Case Temperature
°
(°C)
T J , Temperature ( °C )
Fig 9.
Maximum Drain Current vs.
Case Temperature
Fig 10.
Threshold Voltage vs. Temperature
10
(Z
thJC
)
1
D = 0.50
Thermal Response
0.20
0.10
0.1
0.05
0.02
0.01
SINGLE PULSE
(THERMAL RESPONSE)
Notes:
1. Duty factor D =
2. Peak T
0.01
0.00001
0.0001
0.001
0.01
t
1
/ t
2
+T
C
1
P
DM
t
1
t
2
J
= P
DM
x Z
thJC
0.1
t
1
, Rectangular Pulse Duration (sec)
Fig 11.
Maximum Effective Transient Thermal Impedance, Junction-to-Case
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5
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