Fairchild FDD6N25, FDU6N25 service manual
FDD6N25 / FDU6N25
250V N-Channel MOSFET
FDD6N25 / FDU6N25 250V N-Channel MOSFET
February 2007
TM
UniFET
Features
• 4.4A, 250V, R
• Low gate charge ( typical 4.5 nC)
•Low C
•Fast switching
• 100% avalanche tested
• Improved dv/dt capability
( typical 5 pF)
rss
= 1.1Ω @VGS = 10 V
DS(on)
G
S
D-PAK
FDD Series
D
G
D
S
Description
These N-Channel enhancement mode power field effect
transistors are produced using Fairchild’s proprietary, planar
stripe, DMOS technology.
This advanced technology has been especially tailored to
minimize on-state resistance, provide superior switching
performance, and withstand high energy pulse in the avalanche
and commutation mode. These devices are well suited for high
efficient switched mode power supplies and active power factor
correction.
D
I-PAK
FDU Series
G
S
Absolute Maximum Ratings
Symbol Parameter FDD6N25 / FDU6N25 Unit
V
DSS
I
D
I
DM
V
GSS
E
AS
I
AR
E
AR
dv/dt Peak Diode Recovery dv/dt
P
D
T
J, TSTG
T
L
Drain-Source Voltage 250 V
Drain Current - Continuous (TC = 25°C)
- Continuous (T
Drain Current - Pulsed
Gate-Source voltage ±30 V
Single Pulsed Avalanche Energy
Avalanche Current (Note 1) 4.4 A
Repetitive Avalanche Energy (Note 1) 5mJ
Power Dissipation (TC = 25°C)
- Derate above 25°C
Operating and Storage Temperature Range -55 to +150 °C
Maximum Lead Temperature for Soldering Purpose,
1/8” from Case for 5 Seconds
= 100°C)
C
(Note 1)
(Note 2)
(Note 3) 4.5 V/ns
4.4
2.6
18 A
45 mJ
50
0.4
300 °C
A
A
W
W/°C
Thermal Characteristics
Symbol Parameter Typ Max Unit
R
θJC
R
θJA
©2007 Fairchild Semiconductor Corporation 1 www.fairchildsemi.com
FDD6N25 / FDU6N25 Rev. A
Thermal Resistance, Junction-to-Case -- 2.5 °C/W
Thermal Resistance, Junction-to-Ambient -- 110 °C/W
Package Marking and Ordering Information
Device Marking Device Package Reel Size Tape Width Quantity
FDD6N25 FDD6N25TM D-PAK 380mm 16mm 2500
FDD6N25 FDD6N25TF D-PAK 380mm 16mm 2000
FDU6N25 FDU6N25TU I-PAK - - 70
FDD6N25 / FDU6N25 250V N-Channel MOSFET
Electrical Characteristics T
= 25°C unless otherwise noted
C
Symbol Parameter Conditions Min. Typ. Max Units
Off Characteristics
BV
DSS
∆BV
/ ∆T
I
DSS
I
GSSF
I
GSSR
On Characteristics
V
GS(th)
R
DS(on)
g
FS
Dynamic Characteristics
C
iss
C
oss
C
rss
Switching Characteristics
t
d(on)
t
r
t
d(off)
t
f
Q
g
Q
gs
Q
gd
Drain-Source Diode Characteristics and Maximum Ratings
I
S
I
SM
V
SD
t
rr
Q
rr
Drain-Source Breakdown Voltage VGS = 0V, ID = 250µA 250 -- -- V
Breakdown Voltage Temperature
DSS
Coefficient
J
Zero Gate Voltage Drain Current VDS = 250V, VGS = 0V
I
= 250µA, Referenced to 25°C--0.25--V/°C
D
V
= 200V, TC = 125°C
DS
--
--
--
--
1
10
µA
µA
Gate-Body Leakage Current, Forward VGS = 30V, VDS = 0V -- -- 100 nA
Gate-Body Leakage Current, Reverse VGS = -30V, VDS = 0V -- -- -100 nA
Gate Threshold Voltage VDS = VGS, ID = 250µA3.0--5.0V
Static Drain-Source
On-Resistance
Forward Transconductance VDS = 40V, ID = 2.2A
Input Capacitance VDS = 25V, VGS = 0V,
Output Capacitance -- 38 50 pF
V
= 10V, ID = 2.2A -- 0.9 1.1 Ω
GS
(Note 4)
-- 5.5 -- S
-- 194 250 pF
f = 1.0MHz
Reverse Transfer Capacitance -- 5 8 pF
Turn-On Delay Time VDD = 125V, ID = 6A
R
= 25Ω
Turn-On Rise Time -- 25 60 ns
G
-- 10 30 ns
Turn-Off Delay Time -- 7 24 ns
Turn-Off Fall Time -- 12 34 ns
Total Gate Charge VDS = 200V, ID = 6A
V
= 10V
Gate-Source Charge -- 1.5 -- nC
GS
Gate-Drain Charge -- 1.8 -- nC
(Note 4, 5)
-- 4.5 6 nC
(Note 4, 5)
Maximum Continuous Drain-Source Diode Forward Current -- -- 4.4 A
Maximum Pulsed Drain-Source Diode Forward Current -- -- 18 A
Drain-Source Diode Forward Voltage VGS = 0V, IS = 4.4A -- -- 1.4 V
Reverse Recovery Time VGS = 0V, IS = 6A
dI
/dt =100A/µs (Note 4)
Reverse Recovery Charge -- 0.55 -- µC
F
-- 145 -- ns
NOTES:
1. Repetitive Rating: Pulse width limited by maximum junction temperature
2. L = 3.7mH, IAS = 4.4A, VDD = 50V, RG = 25Ω, Starting TJ = 25°C
≤ 4.4A, di/dt ≤ 200A/µs, VDD ≤ BV
3. I
SD
4. Pulse Test: Pulse width ≤ 300µs, Duty Cycle ≤ 2%
5. Essentially Independent of Operating Temperature Typical Characteristics
, Starting TJ = 25°C
DSS
FDD6N25 / FDU6N25 Rev. A
2 www.fairchildsemi.com
Typical Performance Characteristics
Figure 1. On-Region Characteristics Figure 2. Transfer Characteristics
FDD6N25 / FDU6N25 250V N-Channel MOSFET
, Drain Current [A]
I
10
10
D
-1
10
V
Top : 15.0 V
10.0 V
8.0 V
1
7.0 V
6.5 V
6.0 V
Bottom : 5.5 V
0
-1
10
GS
0
10
V
, Drain-Source Voltage [V]
1
10
150oC
25oC
, Drain Current [A]
D
* Notes :
1. 250
2. T
1
10
µs Pulse Test
= 25oC
C
I
0
10
24681012
V
, Gate-Source Voltage [V]
-55oC
Figure 3. On-Resistance Variation vs. Figure 4. Body Diode Forward Voltage
Drain Current and Gate Voltage Variation vs. Source Current
and Temperatue
6
5
4
1
10
VGS = 10V
3
* Notes :
1. V
2. 250
= 40V
DS
µs Pulse Test
2
[Ω], Drain-Source On-Resistance
1
DS(ON)
R
0246810
ID, Drain Current [A]
VGS = 20V
* Note : TJ = 25oC
, Reverse Drain Current [A]
DR
I
0
10
0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
150oC
25oC
* Notes :
1. V
2. 250
= 0V
GS
µs Pulse Test
VSD, Source-Drain voltage [V]
Figure 5. Capacitance Characteristics Figure 6. Gate Charge Characteristics
400
350
300
250
200
150
Capacitances [pF]
100
50
0
10
C
oss
C
iss
C
rss
-1
VDS, Drain-Source Voltage [V]
C
= Cgs + Cgd (Cds = shorted)
iss
C
= Cds + C
oss
gd
C
= C
rss
gd
* Note :
1. V
= 0 V
GS
2. f = 1 MHz
0
10
1
10
12
10
8
6
4
, Gate-Source Voltage [V]
2
GS
V
0
012345
VDS = 50V
VDS = 125V
VDS = 200V
* Note : ID = 6A
QG, Total Gate Charge [nC]
FDD6N25 / FDU6N25 Rev. A
3 www.fairchildsemi.com
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