UNISONIC TECHNOLOGIES CO., LTD UT4812

UNISONIC TECHNOLOGIES CO., LTD
UT4812
Power MOSFET
DUAL N-CHANNEL
ENHANCEMENT MODE
DESCRIPTION

The UT4812 can provide excellent RDS(ON) and low gate
charge by using advanced trench technology. The UT4812 is
suitable for using as a load switch or in PWM applications.
FEATURES

* 30V/6.9A
* Low RDS(ON)
* Reliable and Rugged
SYMBOL

(7) (8)
D1
(4)
G2
(2)
G1
S2
(3)
S1
(1)

(5) (6)
D2
ORDERING INFORMATION
Ordering Number
Note:

UT4812G-S08-R
Pin Assignment: G: Gate
Package
D: Drain
SOP-8
S: Source
1
S
2
G
Pin Assignment
3 4 5 6
S G D D
7
D
8
D
Packing
Tape Reel
MARKING
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UT4812

Power MOSFET
PIN CONFIGURATION
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UT4812

Power MOSFET
ABSOLUTE MAXIMUM RATINGS (TA = 25°C, unless otherwise specified)
PARAMETER
SYMBOL
RATINGS
UNIT
Drain-Source Voltage
VDSS
30
V
Gate-Source Voltage
VGSS
±20
Continuous Drain Current (Note3)
ID
6.9
A
Pulsed Drain Current (Note1)
IDM
30
Power Dissipation
PD
2
W
Junction Temperature
TJ
+150
°C
Storage Temperature
TSTG
-55 ~ +150
°C
Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged.
Absolute maximum ratings are stress ratings only and functional device operation is not implied.

THERMAL DATA
PARAMETER
Junction-to-Ambient

SYMBOL
θJA
MIN
TYP
74
MAX
110
UNIT
°C/W
ELECTRICAL CHARACTERISTICS (TJ =25°C, unless otherwise specified)
PARAMETER
OFF CHARACTERISTICS
Drain-Source Breakdown Voltage
Drain-Source Leakage Current
Gate-Source Leakage Current
ON CHARACTERISTICS
Gate Threshold Voltage
Drain-Source On-State Resistance (Note2)
SYMBOL
TEST CONDITIONS
MIN
BVDSS
IDSS
IGSS
VGS =0 V, ID =250µA
VDS =30V, VGS =0 V
VDS =0 V, VGS = ±20V
30
VGS(TH)
VDS =VGS, ID =250 µA
VGS =10V, ID =6.9A
VGS =4.5V, ID =5.0A
1
RDS(ON)
DYNAMIC PARAMETERS
Input Capacitance
CISS
VDS =15 V, VGS =0V, f=1MHz
Output Capacitance
COSS
Reverse Transfer Capacitance
CRSS
SWITCHING PARAMETERS
Turn-ON Delay Time
tD(ON)
Turn-ON Rise Time
tR
VGS=10V, VDS=15V, RL=2.2Ω,
RGEN =3Ω
Turn-OFF Delay Time
tD(OFF)
Turn-OFF Fall-Time
tF
Total Gate Charge
QG
Gate Source Charge
QGS
VDS =15V, VGS =10V, ID =6.9A
Gate Drain Charge
QGD
SOURCE-DRAIN DIODE RATINGS AND CHARACTERISTICS
Drain-Source Diode Forward
VSD
IS=1A
Voltage(Note2)
Maximum Continuous Drain-Source Diode
IS
Forward Current
Body Diode Reverse Recovery Time
tRR
IF=6.9 A, dI/dt=100A/μs
Body Diode Reverse Recovery Charge
QRR
IF=6.9 A, dI/dt=100A/μs
Notes: 1. Pulse width limited by TJ(MAX)
2. Pulse width ≤300us, duty cycle ≤2%.
2
3. Surface Mounted on 1in pad area, t≤10sec.
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TYP
MAX
UNIT
1
100
V
µA
nA
1.9
22.5
34.5
3
28
42
V
mΩ
mΩ
680
102
77
820
4.6
4.1
20.6
5.2
13.84
1.82
3.2
7
6.2
30
7.5
17
0.76
1
V
3
A
20
10
ns
nC
16.5
7.8
pF
108
ns
nC
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TYPICAL CHARACTERISTICS
Drain Current,ID (A)
Drain Current,ID (A)

Power MOSFET
On-Resistance vs. Drain Current and
Gate Voltage
60
On-Resistance vs. Junction
Temperature
1.6
ID=5A
1.5
50
VGS=10V
1.4
1.3
VGS=4.5V
40
VGS=4.5V
1.2
30
1.1
20
1
VGS=10V
0.9
0.8
10
0
20
50
100
150
Junction Temperature (℃)
200
Reverse Drain Current,IS (A)
5
10
15
Drain Current,ID (A)
Drain to Source OnResistance,RDS(ON) (mΩ)
0
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Power MOSFET
TYPICAL CHARACTERISTICS(Cont.)

Gate-Charge Characteristics
10
VDS=15V
ID=6.9A
8
Capacitance Characteristics
1000
f=1MHZ
VGS=0V
900
800
700
CISS
600
6
500
400
4
300
200
2
COSS
100
0
0
2
6
4
8
10
Gate Charge,QG (nC)
12
14
Single Pulse Power Rating Junctionto-Ambient (Note E)
30
10μs
10ms
0.1s
1
30
TJ(Max)=150℃
TA=25℃
Power (W)
100μs
1ms
10
40
TJ(Max)=150℃
TA=25℃
RDS(ON) Limited
20
25
10
15
5
Drain to Source Voltage,VDS (V)
0
Maximum Forward Biased Safe
Operating Area (Note E)
100
Drain Current,ID (A)
CRSS
0
20
1s
10
10s
DC
0.1
0
0.1
1
10
Drain to Source Voltage,VDS (V)
100
0.001
0.01
1
0.1
10
Pulse Width (s)
100
1000
Normalized Maximum Transient Thermal Impedance
Normalized Transient Thermal
Resistance,ZθJA
10
In descending order
D=0.5,0.3,0.1,0.05,0.02,0.01,single pulse
D=TON/T
TJ,PK=TA+PDM.ZθJA.RθJA
RθJA=62.5℃/W
1
0.1
PDM
0.01
0.00001
TON
T
Single Pulse
0.0001
0.001
0.01
0.1
1
10
100
1000
Pulse Width (s)
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Power MOSFET
UTC assumes no responsibility for equipment failures that result from using products at values that
exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or
other parameters) listed in products specifications of any and all UTC products described or contained
herein. UTC products are not designed for use in life support appliances, devices or systems where
malfunction of these products can be reasonably expected to result in personal injury. Reproduction in
whole or in part is prohibited without the prior written consent of the copyright owner. The information
presented in this document does not form part of any quotation or contract, is believed to be accurate
and reliable and may be changed without notice.
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