AO4437 データシートの表示（PDF） - Alpha and Omega Semiconductor
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AO4437 Datasheet PDF : 3 Pages
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AO4437
Electrical Characteristics (TJ=25°C unless otherwise noted)
Symbol
Parameter
Conditions
Min
STATIC PARAMETERS
BVDSS Drain-Source Breakdown Voltage
ID=-250µA, VGS=0V
-12
IDSS
Zero Gate Voltage Drain Current
VDS=-9.6V, VGS=0V
TJ=55°C
IGSS
Gate-Body leakage current
VDS=0V, VGS=±4.5V
VDS=0V, VGS=±8V
VGS(th) Gate Threshold Voltage
VDS=VGS ID=-250µA
-0.3
ID(ON)
On state drain current
VGS=-4.5V, VDS=-5V
-20
VGS=-4.5V, ID=-11A
RDS(ON) Static Drain-Source On-Resistance
TJ=125°C
VGS=-2.5V, ID=-10A
VGS=-1.8V, ID=-6A
gFS
Forward Transconductance
VDS=-5V, ID=-11A
VSD
Diode Forward Voltage
IS=-1A,VGS=0V
IS
Maximum Body-Diode Continuous Current
DYNAMIC PARAMETERS
Ciss
Input Capacitance
Coss
Output Capacitance
Crss
Reverse Transfer Capacitance
Rg
Gate resistance
VGS=0V, VDS=-6V, f=1MHz
VGS=0V, VDS=0V, f=1MHz
SWITCHING PARAMETERS
Qg
Total Gate Charge
Qgs
Gate Source Charge
VGS=-4.5V, VDS=-6V, ID=-11A
Qgd
Gate Drain Charge
tD(on)
Turn-On Delay Time
tr
Turn-On Rise Time
VGS=-4.5V, VDS=-6V, RL=0.55Ω,
tD(off)
Turn-Off Delay Time
RGEN=3Ω
tf
Turn-Off Fall Time
trr
Body Diode Reverse Recovery Time IF=-11A, dI/dt=100A/µs
Qrr
Body Diode Reverse Recovery Charge IF=-11A, dI/dt=100A/µs
Typ Max Units
V
-1
µA
-5
±1
µA
±10 µA
-0.55 -1
A
12.4 16
mΩ
17
21
15.9 20 mΩ
20.4 25 mΩ
38
S
-0.74 -1
V
-4.5 A
3960 4750 pF
910
pF
757
pF
6.9 8.5
Ω
37
47
nC
4.5
nC
11
nC
15
ns
43
ns
158
ns
95
ns
64
ns
50
nC
A: The value of RθJA is measured with the device mounted on 1in2 FR-4 board with 2oz. Copper, in a still air environment with TA =25°C. The
value in any given application depends on the user's specific board design. The current rating is based on the t≤ 10s thermal resistance
rating.
B: Repetitive rating, pulse width limited by junction temperature.
C. The R θJA is the sum of the thermal impedence from junction to lead RθJL and lead to ambient.
D. The static characteristics in Figures 1 to 6,12,14 are obtained using 80µs pulses, duty cycle 0.5% max.
E. These tests are performed with the device mounted on 1 in2 FR-4 board with 2oz. Copper, in a still air environment with TA=25°C. The
SOA curve provides a single pulse rating.
Rev2: August 2005
THIS PRODUCT HAS BEEN DESIGNED AND QUALIFIED FOR THE CONSUMER MARKET. APPLICATIONS OR USES AS CRITICAL
COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS ARE NOT AUTHORIZED. AOS DOES NOT ASSUME ANY LIABILITY ARISING
OUT OF SUCH APPLICATIONS OR USES OF ITS PRODUCTS. AOS RESERVES THE RIGHT TO IMPROVE PRODUCT DESIGN,
FUNCTIONS AND RELIABILITY WITHOUT NOTICE
Alpha & Omega Semiconductor, Ltd.
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