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Alpha & Omega Semiconductors

AO4437 Datasheet Preview

AO4437 Datasheet

P-Channel MOSFET

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AO4437
P-Channel Enhancement Mode Field Effect Transistor
General Description
The AO4437 uses advanced trench technology to provide
www.DataSheet4eUx.ccoemllent RDS(ON), low gate charge and operation with gate
voltages as low as 1.8V. This device is suitable for use as a
load switch or in PWM applications. It is ESD protected.
Standard Product AO4437 is Pb-free (meets ROHS & Sony
259 specifications). AO4437L is a Green Product ordering
option. AO4437 and AO4437L are electrically identical.
Features
VDS (V) = -12V
ID = -11 A (VGS = -4.5V)
RDS(ON) < 16m(VGS = -4.5V)
RDS(ON) < 20m(VGS = -2.5V)
RDS(ON) < 25m(VGS = -1.8V)
ESD Rating: 4KV HBM
SOIC-8
Top View
SD
SD
SD
GD
D
G
S
Absolute Maximum Ratings TA=25°C unless otherwise noted
Parameter
Symbol
Drain-Source Voltage
VDS
Gate-Source Voltage
VGS
Continuous Drain
TA=25°C
Current A
TA=70°C
Pulsed Drain Current B
ID
IDM
TA=25°C
Power Dissipation A TA=70°C
PD
Junction and Storage Temperature Range TJ, TSTG
Maximum
-12
±8
-11
-9
-20
3
2.1
-55 to 150
Thermal Characteristics
Parameter
Maximum Junction-to-Ambient A
Maximum Junction-to-Ambient A
Maximum Junction-to-Lead C
t 10s
Steady-State
Steady-State
Symbol
RθJA
RθJL
Typ
31
63
21
Max
40
75
30
Units
V
V
A
W
°C
Units
°C/W
°C/W
°C/W
Alpha & Omega Semiconductor, Ltd.




Alpha & Omega Semiconductors

AO4437 Datasheet Preview

AO4437 Datasheet

P-Channel MOSFET

No Preview Available !

AO4437
Electrical Characteristics (TJ=25°C unless otherwise noted)
Symbol
Parameter
Conditions
STATIC PARAMETERS
BVDSS Drain-Source Breakdown Voltage
IDSS Zero Gate Voltage Drain Current
ID=-250µA, VGS=0V
VDS=-9.6V, VGS=0V
IGSS
VGS(th)
www.DataSheetI4DU(O.Nco) m
RDS(ON)
gFS
VSD
IS
Gate-Body leakage current
Gate Threshold Voltage
On state drain current
VDS=0V, VGS=±4.5V
VDS=0V, VGS=±8V
VDS=VGS ID=-250µA
VGS=-4.5V, VDS=-5V
VGS=-4.5V, ID=-11A
Static Drain-Source On-Resistance
VGS=-2.5V, ID=-10A
VGS=-1.8V, ID=-6A
Forward Transconductance
VDS=-5V, ID=-11A
Diode Forward Voltage
IS=-1A,VGS=0V
Maximum Body-Diode Continuous Current
TJ=55°C
TJ=125°C
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=0.55,
tD(off)
Turn-Off Delay Time
RGEN=3
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
Min
-12
-0.3
-20
Typ Max Units
-0.55
-1
-5
±1
±10
-1
12.4
17
15.9
20.4
38
-0.74
16
21
20
25
-1
-4.5
V
µA
µA
µA
A
m
m
m
S
V
A
3960
910
757
6.9
4750
8.5
pF
pF
pF
37 47
4.5
11
15
43
158
95
64
50
nC
nC
nC
ns
ns
ns
ns
ns
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 t10s 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.


Part Number AO4437
Description P-Channel MOSFET
Maker Alpha & Omega Semiconductors
Total Page 3 Pages
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