Datasheet

UNISONIC TECHNOLOGIES CO., LTD
UT7852
Preliminary
Power MOSFET
N-CHANNEL 80V (D-S) MOSFET

DESCRIPTION
The UTC UT7852 is an N-Channel MOSFET, it uses UTC’s
advanced technology to provide customers with a minimum on-state
resistance and high switching speed.
The UTC UT7852 is suitable for primary side switch for DC/DC
applications.

SOP-8
1
FEATURES
* High switching speed
* Low on-state resistance

SYMBOL

ORDERING INFORMATION
Ordering Number
Note:

UT7852G-S08-R
UT7852G-K08-5060-R
Pin Assignment: G: Gate
D: Drain
DFN-8(5x6)
Package
SOP-8
DFN-8(5×6)
S: Source
1
S
S
2
S
S
Pin Assignment
3
4
5
6
S G D D
S G D D
7
D
D
8
D
D
Packing
Tape Reel
Tape Reel
MARKING
SOP-8
www.unisonic.com.tw
Copyright © 2015 Unisonic Technologies Co., Ltd
DFN-8(5×6)
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UT7852

Preliminary
Power MOSFET
ABSOLUTE MAXIMUM RATINGS (TA=25°C, unless otherwise noted)
PARAMETER
SYMBOL
RATINGS
UNIT
Drain-Source Voltage
VDSS
80
V
Gate-Source Voltage
VGSS
±20
V
Pulsed Drain Current
IDM
50
A
Continuous Drain Current
TA=25°C
12.5
A
ID
(TJ=150°C )(Note 1)
TA=70°C
10.0
A
Avalanche Current
L=0.1mH
IAS
40
A
Continuous Source Current (Diode Conduction) (Note 1)
IS
4.7
A
Power Dissipation
SOP-8
1.5
W
TA=25°C
PD
(Note 1)
DFN-8(5×6)
5.2
W
Junction Temperature
TJ
-55~+150
°C
Storage Temperature Range
TSTG
-55~+150
°C
Soldering Recommendations (Peak Temperature)
260
°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 CHARACTERISTICS
PARAMETER
SOP-8
DFN-8(5×6)
SOP-8
Junction to Case (Drain)
DFN-8(5×6)
Note: Surface Mounted on 1" x 1" FR4 board.
Junction to Ambient (Note 1)
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
SYMBOL
θJA
θJC
MIN
TYP
52
1.5
MAX
85
65
24
1.8
UNIT
°C/W
°C/W
°C/W
°C/W
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UT7852

Preliminary
Power MOSFET
ELECTRICAL CHARACTERISTICS (TJ=25°C, unless otherwise noted)
PARAMETER
OFF CHARACTERISTICS
SYMBOL
Zero Gate Voltage Drain Current
Gate-Source Leakage Current
IDSS
Forward
Reverse
ON CHARACTERISTICS
Gate Threshold Voltage
Static Drain-Source On-State Resistance
(Note 1)
IGSS
VGS(TH)
RDS(ON)
TEST CONDITIONS
www.unisonic.com.tw
TYP MAX UNIT
VDS=80V, VGS=0V
VDS=80V, VGS=0V, TJ=55°C
VGS=+20V, VDS=0V
VGS=-20V, VDS=0V
VDS=VGS, ID=250µA
VGS=10V, ID=10A
VGS=6.0V, ID=8.0A
VDS=15V, ID=10A
VDS≥5V, VGS=10V
Forward Transconductance (Note 1)
gFS
On State Drain Current (Note 1)
ID(ON)
DYNAMIC PARAMETERS (Note 2)
Gate Resistance
RG
SWITCHING PARAMETERS
Total Gate Charge
QG
VGS=10V, VDS=40V, ID=10A
Gate to Source Charge
QGS
Gate to Drain Charge
QGD
Turn-ON Delay Time
tD(ON)
Rise Time
tR
VDD=30V, RL=60Ω, ID≈0.5A,
VGEN=10V, RG=25Ω
Turn-OFF Delay Time
tD(OFF)
Fall-Time
tF
SOURCE- DRAIN DIODE RATINGS AND CHARACTERISTICS
Diode Forward Voltage (Note 1)
VSD
IS=2.8A, VGS=0V
Source-Drain Reverse Recovery Time
tRR
IF=2.8A, dI/dt=100A/µs
Notes: 1. Pulse test: pulse width ≤ 300µs, duty cycle ≤ 2%.
2. Guaranteed by design, not subject to production testing.
UNISONIC TECHNOLOGIES CO., LTD
MIN
1
5
+100
-100
2.0
12.5
14
25
16.5
22
50
2
µA
µA
nA
nA
V
mΩ
mΩ
S
A
Ω
34
7.5
11.0
120
130
700
220
41
nC
nC
nC
ns
ns
ns
ns
0.75
45
1.1
75
V
ns
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VER.a
UT7852

Preliminary
Power MOSFET
TEST CIRCUITS AND WAVEFORMS
+
DUT
VDS
RG
L
ISD
VGS
VDD
Driver
Same Type
as DUT
dv/dt controlled by RG
ISD controlled by pulse period
Peak Diode Recovery dv/dt Test Circuit & Waveforms
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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UT7852
Preliminary
Power MOSFET
TEST CIRCUITS AND WAVEFORMS (Cont.)

VGS
Same Type
as DUT
12V
QG
10V
200nF
50kΩ
VDS
300nF
QGS
QGD
VGS
DUT
3mA
Charge
Gate Charge Test Circuit
Gate Charge Waveforms
Resistive Switching Test Circuit
Resistive Switching Waveforms
2
EAS= 1
2 LIAS
VDS
RG
BVDSS
BVDSS-VDD
BVDSS
ID
L
IAS
10V
ID(t)
DUT
tP
VDD
VDD
VDS(t)
tP
Unclamped Inductive Switching Test Circuit
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
Time
Unclamped Inductive Switching Waveforms
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UT7852
Preliminary
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.
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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