FDR8508P
FDR8508P Rev. C
Electrical Characteristics T
A
= 25°C unless otherwise noted
Symbol Parameter Test Conditions Min Typ Max Units
Off Characteristics
BV
DSS
Drain-Source Breakdown Voltage
V
GS
= 0 V, I
D
= -250 µA
-30 V
∆ BV
DSS
/
∆ T
J
Breakdown Voltage Temperature
Coefficient
I
D
= -250 µA, Referenced to 25°C
24
mV/°C
I
DSS
Zero Gate Voltage Drain Current V
DS
= -24 V, V
GS
= 0 V -1
µA
I
GSSF
Gate-Body Leakage Current V
GS
= 20 V, V
DS
= 0 V 100 nA
I
GSSR
Gate-Body Leakage Current V
GS
= -20 V, V
DS
= 0 V -100 nA
On Characteristics (Note 2)
V
GS(th)
Gate Threshold Voltage
V
DS
= V
GS
, I
D
= -250 µA
-1 -1.8 -3 V
∆ V
GS(th)
/
∆ T
J
Gate Threshold Voltage
Temperature Coefficient
I
D
= -250 µA, Referenced to 25°C
-4
mV/°C
R
DS(on)
Static Drain-Source
On-Resistance
V
GS
= -10 V, I
D
= -3 A
V
GS
= -10 V, I
D
= -3 A, T
J
= 125°C
V
GS
= -4.5 V, I
D
= -2.3 A
0.040
0.057
0.058
0.052
0.078
0.086
Ω
Ω
Ω
I
D(on)
On-State Drain Current V
GS
= -10 V, V
DS
= -5 V -20 A
g
FS
Forward Transconductance V
DS
= -5 V, I
D
= -3 A 9 mS
Dynamic Characteristics
C
iss
Input Capacitance 750 pF
C
oss
Output Capacitance 220 pF
C
rss
Reverse Transfer Capacitance
V
DS
= -15 V, V
GS
= 0 V, f = 1.0 MHz
100 pF
Switching Characteristics (Note 2)
t
d(on)
Turn-On Delay Time 12 22 ns
t
r
Turn-On Rise Time 14 25 ns
t
d(off)
Turn-Off Delay Time 24 38 ns
t
f
Turn-Off Fall Time
V
DD
= -15 V, I
D
= -1 A,
V
GS
= -10 V, R
GEN
= 6 Ω
16 27 ns
Q
g
Total Gate Charge 8 12 nC
Q
gs
Gate-Source Charge 1.8 nC
Q
gd
Gate-Drain Charge
V
DS
= -15 V, I
D
= -3A,
V
GS
= -5 V,
3nC
Drain-Source Diode Characteristics and Maximum Ratings
I
S
Maximum Continuous Drain-Source Diode Forward Current -0.67 A
V
SD
Drain-Source Diode Forward
Voltage
V
GS
= 0 V, I
S
= -0.67 A (Note 2) -0.75 -1.2 V
Notes:
1. R
θJA
is the sum of the junction-to-case and case-to-ambient thermal resistance where the case thermal reference is defined as the solder mounting
surface of the drain pins. R
θJC
is guaranteed by design while R
θCA
is determined by the users board design. R
θJA
shown below for single
device operation on FR-4 board instill air.
156
O
C/W when mounted on a 0.0025 in
2
pad of 2oz copper.
Scale 1 : 1 on letter size paper
2. Pulse Test: Pulse Width < 300µs, Duty Cycle < 2.0%.
