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PD - 94445
SMPS MOSFET
IRFL4315
HEXFET® Power MOSFET
Applications
l High frequency DC-DC converters
V
DSS
150V 185m
Benefits
l Low Gate to Drain Charge to Reduce
Switching Losses
l Fully Characterized Capacitance Including
Effective C
to Simplify Design, (See
OSS
App. Note AN1001)
l Fully Characterized Avalanche Voltage
and Current
Absolute Maximum Ratings
Parameter Max. Units
ID @ TA = 25°C Continuous Drain Current, VGS @ 10V 2.6
ID @ TA = 70°C Continuous Drain Current, VGS @ 10V 2.1 A
I
DM
PD @TA = 25°C Power Dissipation 2.8 W
V
GS
dv/dt Peak Diode Recovery dv/dt 6.3 V/ns
T
J
T
STG
Pulsed Drain Current 21
Linear Derating Factor 0.02 W/°C
Gate-to-Source Voltage ± 30 V
Operating Junction and -55 to + 150
Storage Temperature Range
Soldering Temperature, for 10 seconds 300 (1.6mm from case )
R
DS(on)
ΩΩ
Ω@V
ΩΩ
max I
= 10V 2.6A
GS
SOT-223
D
°C
Thermal Resistance
Symbol Parameter Typ. Max. Units
R
θJA
Junction-to-Ambient (PCB Mount, steady state) ––– 45 °C/W
Notes through are on page 8
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IRFL4315
Static @ TJ = 25°C (unless otherwise specified)
Parameter Min. Typ. Max. Units Conditions
V
(BR)DSS
∆V
(BR)DSS
R
DS(on)
V
GS(th)
I
DSS
I
GSS
Dynamic @ TJ = 25°C (unless otherwise specified)
g
fs
Q
g
Q
gs
Q
gd
t
d(on)
t
r
t
d(off)
t
f
C
iss
C
oss
C
rss
C
oss
C
oss
C
eff. Effective Output Capacitance ––– 98 ––– VGS = 0V, VDS = 0V to 120V
oss
Drain-to-Source Breakdown Voltage 150 ––– – –– V VGS = 0V, ID = 250µA
/∆T
Breakdown Voltage Temp. Coefficient
J
––– 0.19 ––– V/°C Reference to 25°C, ID = 1mA
Static Drain-to-Source On-Resistance ––– ––– 185 mΩ VGS = 10V, ID = 1.6A
Gate Threshold Voltage 3.0 ––– 5.0 V VDS = VGS, ID = 250µA
Drain-to-Source Leakage Current
––– ––– 25
––– ––– 250 VDS = 120V, VGS = 0V, TJ = 125°C
Gate-to-Source Forward Leakage ––– ––– 100 V
Gate-to-Source Reverse Leakage ––– ––– -100
µA
nA
V
= 150V, VGS = 0V
DS
= 30V
GS
V
= -30V
GS
Parameter Min. Typ. Max. Units Conditions
Forward Transconductance 3.5 ––– ––– S VDS = 50V, ID = 1.6A
Total Gate Charge ––– 12 19 ID = 1.6A
Gate-to-Source Charge ––– 2.1 3.1 nC VDS = 120V
Gate-to-Drain ("Miller") Charge ––– 6.8 10 VGS = 10V
Turn-On Delay Time ––– 8.4 ––– VDD = 75V
Rise Time ––– 21 ––– ID = 1.6A
Turn-Off Delay Time ––– 20 ––– RG = 15Ω
ns
Fall Time ––– 19 ––– VGS = 10V
Input Capacitance ––– 420 ––– VGS = 0V
Output Capacitance ––– 100 ––– VDS = 25V
Reverse Transfer Capacitance ––– 25 ––– pF ƒ = 1.0MHz
Output Capacitance ––– 720 ––– VGS = 0V, VDS = 1.0V, ƒ = 1.0MHz
Output Capacitance ––– 48 ––– VGS = 0V, VDS = 120V, ƒ = 1.0MHz
Avalanche Characteristics
Parameter Typ. Max. Units
E
AS
I
AR
Single Pulse Avalanche Energy ––– 38 mJ
Avalanche Current ––– 3.1 A
Diode Characteristics
Parameter Min. Typ. Max. Units Conditions
I
S
I
SM
V
SD
t
rr
Q
rr
Continuous Source Current MOSFET symbol
(Body Diode)
Pulsed Source Current integral reverse
(Body Diode)
––– –––
––– –––
2.6
21
showing the
A
p-n junction diode.
G
Diode Forward Voltage ––– ––– 1.5 V TJ = 25°C, IS = 2.1A, VGS = 0V
Reverse Recovery Time ––– 61 91 ns TJ = 25°C, IF = 1.6A
Reverse RecoveryCharge ––– 160 240 nC di/dt = 100A/µs
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D
S
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IRFL4315
100
10
1
0.1
, Drain-to-Source Current (A)
D
I
VGS
TOP 15V
12V
10V
8.0V
7.0V
6.5V
6.0V
BOTTOM 5.5V
5.5V
20µs PULSE WIDTH
Tj = 25°C
0.01
0.1 1 10 100
VDS, Drain-to-Source Voltage (V)
100.00
100
10
VGS
TOP 15V
12V
10V
8.0V
7.0V
6.5V
6.0V
BOTTOM 5.5V
5.5V
1
, Drain-to-Source Current (A)
D
I
20µs PULSE WIDTH
Tj = 150°C
0.1
0.1 1 10 100
VDS, Drain-to-Source Voltage (V)
Fig 2. Typical Output CharacteristicsFig 1. Typical Output Characteristics
2.5
2.6A
I =
D
)
(Α
10.00
, Drain-to-Source Current
D
I
1.00
TJ = 150°C
TJ = 25°C
V
= 50V
DS
20µs PULSE WIDTH
5.0 6.0 7.0 8.0 9.0 10.0
VGS, Gate-to-Source Voltage (V)
Fig 3. Typical Transfer Characteristics
2.0
1.5
(Normalized)
1.0
0.5
DS(on)
R , Drain-to-Source On Resistance
0.0
-60 -40 -20 0 20 40 60 80 100 120 140 160
T , Junction Temperature
J
Fig 4. Normalized On-Resistance
V =
10V
GS
°
C
Vs. Temperature
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IRFL4315
10000
1000
100
C, Capacitance(pF)
10
1 10 100 1000
V
= 0V, f = 1 MHZ
GS
C
= C
= C
= C
+ Cgd, C
gs
gd
+ C
ds
C
C
iss
rss
oss
SHORTED
ds
gd
C
iss
C
oss
C
rss
VDS, Drain-to-Source Voltage (V)
Fig 5. Typical Capacitance Vs.
Drain-to-Source Voltage
100
12
ID= 1.6A
10
VDS= 120V
VDS= 75V
8
VDS= 30V
6
4
, Gate-to-Source Voltage (V)
GS
2
V
FOR TEST CIRCUIT
SEE FIGURE 13
0
02468101214
Q
Total Gate Charge (nC)
G
Fig 6. Typical Gate Charge Vs.
Gate-to-Source Voltage
100
OPERATION IN THIS AREA
LIMITED BY RDS(on)
°
T = 150 C
J
10
10
100µsec
°
T = 25 C
1
J
1
1msec
SD
I , Reverse Drain Current (A)
V = 0 V
0.1
0.0 0.5 1.0 1.5 2.0 2.5
V ,Source-to-Drain Voltage (V)
SD
Fig 7. Typical Source-Drain Diode
GS
, Drain-to-Source Current (A)
D
Tc = 25°C
I
Tj = 150°C
Single Pulse
0.1
1 10 100 1000
VDS, Drain-to-Source Voltage (V)
Fig 8. Maximum Safe Operating Area
10msec
Forward Voltage
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IRFL4315
3.0
2.5
2.0
1.5
1.0
D
I , Drain Current (A)
0.5
0.0
25 50 75 100 125 150
TA , Ambient Temperature (°C)
Fig 9. Maximum Drain Current Vs.
Ambient Temperature
100
R
V
DS
V
GS
R
G
D
D.U.T.
10V
Pulse Width ≤ 1 µs
Duty Factor ≤ 0.1 %
Fig 10a. Switching Time Test Circuit
V
DS
90%
10%
V
GS
t
d(on)tr
t
d(off)tf
Fig 10b. Switching Time Waveforms
V
DD
D = 0.50
thJA
10
0.20
0.10
0.05
P
0.02
1
0.01
Thermal Response (Z )
SINGLE PULSE
(THERMAL RESPONSE)
0.1
0.00001 0.0001 0.001 0.01 0.1 1 10 100
t , Rectangular Pulse Duration (sec)
1
Notes:
1. Duty factor D = t / t
2. Peak T = P x Z + T
J DM thJA A
DM
t
1 2
1
t
2
Fig 11. Maximum Effective Transient Thermal Impedance, Junction-to-Case
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IRFL4315
)
240
Ω
220
200
V
180
GS
= 10V
160
140
, Drain-to-Source On Resistance (m
120
DS (on)
100
R
0 5 10 15 20 25
ID , Drain Current (A)
Fig 12. On-Resistance Vs. Drain Current
Current Regulator
Same Type as D.U.T.
.2µF
12V
V
GS
50KΩ
.3µF
D.U.T.
3mA
I
G
Current Sampling Resistors
V
GS
+
V
DS
-
I
D
V
G
QGSQ
Q
G
GD
Charge
)
4000
Ω
3500
3000
2500
2000
1500
1000
, Drain-to -Source On Resistance (m
ID = 2.6A
500
DS(on)
0
R
4.5 6.0 7.5 9.0 10.5 12.0 13.5 15.0
V
Gate -to -Source Voltage (V)
GS,
Fig 13. On-Resistance Vs. Gate Voltage
100
TOP
80
BOTTOM
I
D
1.4A
2.5A
3.1A
Fig 14a&b. Basic Gate Charge Test Circuit
and Waveform
15V
V
t
p
I
AS
DSS
V
R
G
20V
L
DS
D.U.T
I
AS
Ω
0.01
t
p
Fig 15a&b. Unclamped Inductive Test circuit
and Waveforms
DRIVER
+
V
DD
-
60
40
20
AS
E , Single Pulse Avalanche Energy (mJ)
0
25 50 75 100 125 150
Starting Tj, Junction Temperature ( C)
°
Fig 15c. Maximum Avalanche Energy
Vs. Drain Current
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Package Outline
SOT-223 (TO-261AA) Outline
IRFL4315
Part Marking Information
SOT-223
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EX AMPLE : T H IS IS AN IRFL 014
FL014
INTERN ATIONA L
R ECTIFIER
L OG O
314
TOP
PART NU MBE R
DATE CODE (YW W
Y = LAST D IGIT OF THE YE AR
WW = WEEK
W AF E R
L OT C OD E
XXXXXX
BOTTOM
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IRFL4315
Tape & Reel Information
SOT-223 Outline
TR
FEED DIRECTION
NOTES :
1. CONTROLLING DIMENSION: MILLIMETER.
2. OUTLINE CONFO RMS TO EIA-481 & EIA-541.
3. EACH O330.00
13.00) REEL CONTAINS 2,500 DEVICES.
2.05 (.080
1.95 (.077
12.10 (.475
11.90 (.469
13.20 (.519
12.80 (.504
4.10 (.161
3.90 (.154
1.85 (.072
1.65 (.065
7.55 (.297
7.45 (.294
1.60 (.062
1.50 (.059
TYP.
7.10 (.279
6.90 (.272
15.40 (.607
11.90 (.469
4
7.60 (.299
7.40 (.292
0.35 (.013
0.25 (.010
16.30 (.641
15.70 (.619
2.30 (.090
2.10 (.083
330.00
13.000
MAX.
NOTES :
1. OUTLINE COMFORMS TO EIA-418-1.
2. CONTROLLING DIMENSION: MILLIMETER..
3. DIMENSION MEASURED @ HUB.
4. INCLUDES FLANGE DISTORTION @ OUTER EDGE.
14.40 (.566
12.40 (.488
3
50.00 (1.969
MIN.
18.40 (.724
MAX .
4
Notes:
Repetitive rating; pulse width limited by
max. junction temperature.
Starting T
RG = 25Ω, I
= 25°C, L = 7.8mH
J
= 3.1A.
AS
Pulse width ≤ 400µs; duty cycle ≤ 2%.
When mounted on 1 inch square copper board.
C
eff. is a fixed capacitance that gives the same charging time
oss
as C
I
TJ ≤ 150°C.
while V
oss
≤ 1.6A, di/dt ≤ 230A/µs, V
SD
is rising from 0 to 80% V
DS
DD
≤ V
(BR)DSS
DSS.
,
Data and specifications subject to change without notice.
This product has been designed and qualified for the Automotive [Q101] market.
Qualification Standards can be found on IR’s Web site.
IR WORLD HEADQUARTERS: 233 Kansas St., El Segundo, California 90245, USA Tel: (310) 252-7105
TAC Fax: (310) 252-7903
Visit us at www.irf.com for sales contact information.06/02
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