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Jan 2003
AO9926A Dual N-Channel Enhancement Mode Field Effect Transistor
General Description
The AO9926A uses advanced trench technology to provide excellent RDS(ON) and low gate charge. They offer operation over a wide gate drive range from 1.8V to 8V. The two devices may be used individually, in parallel or to form a bidirectional blocking switch.
Features
VDS (V) = 20V ID = 7A RDS(ON) < 26m (VGS = 4.5V) RDS(ON) < 33m (VGS = 2.5V) RDS(ON) < 42m (VGS = 1.8V)
D1 S2 G2 S1 G1 1 2 3 4 8 7 6 5 D2 D2 D1 D1
D2
G1 S1
G2 S2
SOIC-8
Absolute Maximum Ratings TA=25C unless otherwise noted Parameter Symbol VDS Drain-Source Voltage Gate-Source Voltage Continuous Drain Current A Pulsed Drain Current Power Dissipation
B
Maximum 20 8 7 6 40 2 1.44 -55 to 150
Units V V A
VGS TA=25C TA=70C TA=25C TA=70C ID IDM PD TJ, TSTG
W C
Junction and Storage Temperature Range Thermal Characteristics Parameter Maximum Junction-to-Ambient A Maximum Junction-to-Ambient A Maximum Junction-to-Lead C
Symbol t 10s Steady-State Steady-State RJA RJL
Typ 48 74 35
Max 62.5 110 40
Units C/W C/W C/W
Alpha & Omega Semiconductor, Ltd.
AO9926A
Electrical Characteristics (TJ=25C unless otherwise noted) Symbol Parameter Conditions ID=250A, VGS=0V VDS=16V, VGS=0V TJ=55C VDS=0V, VGS=8V VDS=VGS ID=250A VGS=4.5V, VDS=5V VGS=4.5V, ID=7A RDS(ON) Static Drain-Source On-Resistance TJ=125C VGS=2.5V, ID=5A VGS=1.8V, ID=4A gFS VSD IS Forward Transconductance VDS=5V, ID=5A Diode Forward Voltage IS=1A Maximum Body-Diode Continuous Current 0.3 30 21.6 29.2 26.4 33.3 22 0.76 1 3 1050 VGS=0V, VDS=10V, f=1MHz VGS=0V, VDS=0V, f=1MHz 163 129 4 15.2 VGS=4.5V, VDS=10V, ID=7A 1 4 6.5 VGS=5V, VDS=10V, RL=1.5, RGEN=3 IF=5A, dI/dt=100A/s 9 56.5 13.2 21 7.1 26 36 33 42 0.5 Min 20 1 5 100 0.8 Typ Max Units V A nA V A m m m S V A pF pF pF nC nC nC ns ns ns ns ns nC
STATIC PARAMETERS BVDSS Drain-Source Breakdown Voltage IDSS IGSS VGS(th) ID(ON) Zero Gate Voltage Drain Current Gate-Body leakage current Gate Threshold Voltage On state drain current
DYNAMIC PARAMETERS Ciss Input Capacitance Coss Crss Rg Output Capacitance Reverse Transfer Capacitance Gate resistance
SWITCHING PARAMETERS Qg Total Gate Charge Qgs Gate Source Charge Qgd tD(on) tr tD(off) tf trr Qrr Gate Drain Charge Turn-On DelayTime Turn-On Rise Time Turn-Off DelayTime Turn-Off Fall Time Body Diode Reverse Recovery time
Body Diode Reverse Recovery charge IF=5A, dI/dt=100A/s
2
A: The value of R JA is measured with the device mounted on 1in FR-4 board with 2oz. Copper, in a still air environment with TA=25C. The value in any a 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 JA is the sum of the thermal impedence from junction to lead RJL and lead to ambient. D. The static characteristics in Figures 1 to 6 are obtained using 80 s pulses, duty cycle 0.5% max. 2 E. These tests are performed with the device mounted on 1 in FR-4 board with 2oz. Copper, in a still air environment with TA=25C. The SOA curve provides a single pulse rating.
Alpha & Omega Semiconductor, Ltd.
AO9926A
TYPICAL ELECTRICAL AND THERMAL CHARACTERISTICS
30 25 20 ID (A) 15 10 5 0 0 1 2 3 4 5 VDS (Volts) Fig 1: On-Region Characteristics 45 Normalized On-Resistance 40 35 RDS(ON) (m) 30 25 20 15 10 0 5 10 15 20 ID (A) Figure 3: On-Resistance vs. Drain Current and Gate Voltage 60 50 RDS(ON) (m) 40 125C 30 20 10 0 2 4 6 8 VGS (Volts) Figure 5: On-Resistance vs. Gate-Source Voltage 1.0E+01 1.0E+00 ID=7A 1.0E-01 IS (A) 1.0E-02 1.0E-03 25C 1.0E-04 1.0E-05 0.0 0.2 0.4 0.6 0.8 1.0 VSD (Volts) Figure 6: Body-Diode Characteristics 25C VGS=4.5V VGS=1.8V 1.8 ID=7A 1.6 1.4 1.2 1 0.8 0 25 50 75 100 125 150 175 Temperature (C) Figure 4: On-Resistance vs. Junction Temperature VGS=1.8V VGS=2.5V VGS=4.5V 4 125C 25C 4.5V 2.5V 2V 20 VDS=5V
VDS=16V, VGS=0V
ID(A)
16
12 VGS=1.5V 8
0 0.4 1.2 1.6 2 VGS(Volts) Figure 2: Transfer Characteristics 0.8 2.4
VGS=2.5V
125C
Alpha & Omega Semiconductor, Ltd.
AO9926A
TYPICAL ELECTRICAL AND THERMAL CHARACTERISTICS
5 4 VGS (Volts) 3 2 1 0 0 4 8 12 16 20 Qg (nC) Figure 7: Gate-Charge Characteristics 1800 VDS=15V ID=7A Capacitance (pF) 1600
VDS=16V, VGS=0V
1400 1200 1000 800 600 400 200 0 0 5 10 15 20 VDS (Volts) Figure 8: Capacitance Characteristics Coss Crss Ciss
100.0
40 RDS(ON) limited 10s Power (W) TJ(Max)=150C TA=25C 30
100s 1ms 10ms 0.1s
10.0 ID (Amps)
20
1.0 TJ(Max)=150C TA=25C 0.1 0.1 1
1s 10s DC 10 VDS (Volts) Figure 9: Maximum Forward Biased Safe Operating Area (Note E) 100
10
0 0.001
0.01
0.1
1
10
100
1000
Pulse Width (s) Figure 10: Single Pulse Power Rating Junction-toAmbient (Note E)
10 ZJA Normalized Transient Thermal Resistance
D=Ton/T TJ,PK=TA+PDM.ZJA.RJA RJA=62.5C/W
In descending order D=0.5, 0.3, 0.1, 0.05, 0.02, 0.01, single pulse
1
0.1
PD Ton Single Pulse
T
0.01 0.00001
0.0001
0.001
0.01
0.1
1
10
100
1000
Pulse Width (s) Figure 11: Normalized Maximum Transient Thermal Impedance
Alpha & Omega Semiconductor, Ltd.
ALPHA & OMEGA
SEMICONDUCTOR, INC.
SO-8 Package Data
DIMENSIONS IN MILLIMETERS SYMBOLS
DIMENSIONS IN INCHES
A A1 A2 b c D E1 e E h L aaa
MIN 1.45 0.00 --- 0.33 0.19 4.80 3.80 5.80 0.25 0.40 --- 0
NOM 1.50 --- 1.45 --- --- --- --- 1.27 BSC --- --- --- --- ---
MAX 1.55 0.10 --- 0.51 0.25 5.00 4.00 6.20 0.50 1.27 0.10 8
MIN 0.057 0.000 --- 0.013 0.007 0.189 0.150 0.228 0.010 0.016 --- 0
NOM 0.059 --- 0.057 --- --- --- --- 0.050 BSC --- --- --- --- ---
MAX 0.061 0.004 --- 0.020 0.010 0.197 0.157 0.244 0.020 0.050 0.004 8
NOTE: 1. LEAD FINISH: 150 MICROINCHES ( 3.8 um) MIN. THICKNESS OF Tin/Lead (SOLDER) PLATED ON LEAD 2. TOLERANCE 0.10 mm (4 mil) UNLESS OTHERWISE SPECIFIED 3. COPLANARITY : 0.10 mm 4. DIMENSION L IS MEASURED IN GAGE PLANE
PACKAGE MARKING DESCRIPTION
RECOMMENDED LAND PATTERN
LOGO 9 9 2 6 A FAYWLC
NOTE: LOGO 9926A F A Y W LC
- AOS LOGO - PART NUMBER CODE. - FAB LOCATION - ASSEMBLY LOCATION - YEAR CODE - WEEK CODE. - ASSEMBLY LOT CODE
SO-8 PART NO. CODE
UNIT: mm
PART NO. AO9926A
CODE 9926A
Rev. A
ALPHA & OMEGA
SEMICONDUCTOR, INC.
SO-8 Carrier Tape
SO-8 Tape and Reel Data
SO-8 Reel
SO-8 Tape
Leader / Trailer & Orientation

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