
Si4862DY
PRODUCT SUMMARY
V
(V)
DS
r
DS(on)
0.0033 @ VGS = 4.5 V 25
0.0055 @ VGS = 2.5 V 20
SD
1
SD
2
SD
3
GD
4
New Product
N-Channel 16-V (D-S) MOSFET
FEATURES
D TrenchFETr Power MOSFETS: 2.5-V Rated
D Low 3.3-mW r
(W)
SO-8
I
(A)
D
8
7
6
5
D Low Gate Resistance
D 100% R
G
APPLICATIONS
D Synchronous Rectification
D Low Output Voltage Synchronous Rectification
D
G
Tested
Vishay Siliconix
DS(on)
Top View
S
N-Channel MOSFET
ABSOLUTE MAXIMUM RATINGS (TA = 25_C UNLESS OTHERWISE NOTED)
Parameter Symbol 10 secs Steady State Unit
Drain-Source Voltage V
Gate-Source Voltage V
a
Continuous Drain Current (TJ = 150_C)
Pulsed Drain Current (10 ms Pulse Width)
Continuous Source Current (Diode Conduction)
Maximum Power Dissipation
Operating Junction and Storage Temperature Range TJ, T
_
a
a
TA = 25_C
TA = 70_C
TA = 25_C
TA = 70_C
I
P
I
DM
I
DS
GS
D
25 17
20 13
S
D
stg
2.9 1.3
3.5 1.6
2.2 1
16
"8
60
-55 to 150
THERMAL RESISTANCE RATINGS
Parameter Symbol Typical Maximum Unit
Maximum Junction-to-Ambient
Maximum Junction-to-Foot (Drain) Steady State R
Notes
a. Surface Mounted on 1” x 1” FR4 Board.
a
t v 10 sec
Steady State
R
thJA
thJF
29 35
67 80
13 16
V
A
W
_C
_C/W
Document Number: 71439
S-03662—Rev. B, 14-Apr-03
www.vishay.com
1

Si4862DY
Drain-Source On-State Resistance
Vishay Siliconix
New Product
SPECIFICATIONS (TJ = 25_C UNLESS OTHERWISE NOTED)
Parameter Symbol Test Condition Min Typ Max Unit
Static
Gate Threshold Voltage V
Gate-Body Leakage I
Zero Gate Voltage Drain Current I
On-State Drain Current
-
Forward Transconductance
Diode Forward Voltage
Dynamic
b
a
-
a
a
a
Total Gate Charge Q
Gate-Source Charge Q
Gate-Drain Charge Q
Gate Resistance R
Turn-On Delay Time t
Rise Time t
Turn-Off Delay Time t
Fall Time t
Source-Drain Reverse Recovery Time t
GS(th)
GSS
DSS
I
D(on)
r
DS(on)
g
V
d(on)
d(off)
fs
SD
g
gs
gd
g
r
f
rr
Notes
a. Pulse test; pulse width v
b. Guaranteed by design, not subject to production testing.
300 ms, duty cycle v 2%.
VDS = VGS, I
VDS = 0 V, VGS = "8 V "100
VDS = 12.8 V, VGS = 0 V 1
VDS = 12.8 V, VGS = 0 V, TJ = 55_C
VDS w 5 V , V
V
GS
VGS = 2.5 V, ID = 20 A 0.0045 0.0055
VDS = 6 V, ID = 25 A 140 S
IS = 2.9 A, VGS = 0 V 0.75 1.1 V
V
= 6 V, VGS = 4.5 V, ID = 25 A
DS
VDD = 6 V, RL = 6 W
ID ^ 1 A, V
IF = 2.9 A, di/dt = 100 A/ms
D
= 4.5 V, I
= 4.5 V, RG = 6 W
GEN
= 250 mA
= 4.5 V
GS
= 25 A
D
0.6 V
5
30 A
0.0027 0.0033
48 70
11.8
8.9
0.5 1.3 2.2
42 60
38 60
120 180
50 75
80 120
nA
mA
nC
W
ns
TYPICAL CHARACTERISTICS (25_C UNLESS NOTED)
60
50
40
30
20
- Drain Current (A)I
D
10
0
012345
www.vishay.com
2
Output Characteristics Transfer Characteristics
VGS = 5 thru 2.5 V
VDS - Drain-to-Source Voltage (V)
2 V
60
50
40
30
TC = 125_C
20
- Drain Current (A)I
D
10
25_C
0
0.0 0.5 1.0 1.5 2.0 2.5
VGS - Gate-to-Source Voltage (V)
Document Number: 71439
S-03662—Rev. B, 14-Apr-03
-55_C

Si4862DY
New Product
TYPICAL CHARACTERISTICS (25_C UNLESS NOTED)
On-Resistance vs. Drain Current
VGS = 2.5 V
VGS = 4.5 V
0 102030405060
ID - Drain Current (A)
Gate Charge
VDS = 6 V
= 25 A
I
D
W )
- On-Resistance (r
DS(on)
0.010
0.008
0.006
0.004
0.002
0.000
5
4
10000
8000
6000
4000
C - Capacitance (pF)
2000
0
03691215
1.6
1.4
W)
Vishay Siliconix
Capacitance
C
iss
C
oss
C
rss
VDS - Drain-to-Source Voltage (V)
On-Resistance vs. Junction Temperature
VGS = 4.5 V
= 25 A
I
D
- Gate-to-Source Voltage (V)
GS
V
60
10
- Source Current (A)I
S
3
2
1
0
0 1224364860
Qg - Total Gate Charge (nC)
Source-Drain Diode Forward Voltage
TJ = 150_C
TJ = 25_C
(Normalized)
- On-Resistance (r
DS(on)
0.015
0.012
W )
0.009
0.006
- On-Resistance (r
DS(on)
0.003
1.2
1.0
0.8
0.6
-50 -25 0 25 50 75 100 125 150
T
- Junction Temperature (_C)
J
On-Resistance vs. Gate-to-Source Voltage
ID = 25 A
1
0.00 0.2 0.4 0.6 0.8
VSD - Source-to-Drain Voltage (V)
Document Number: 71439
S-03662—Rev. B, 14-Apr-03
1.0 1.2
0.000
02468
VGS - Gate-to-Source Voltage (V)
www.vishay.com
3

Si4862DY
Vishay Siliconix
New Product
TYPICAL CHARACTERISTICS (25_C UNLESS NOTED)
0.4
0.2
-0.0
-0.2
Variance (V)V
GS(th)
-0.4
-0.6
-0.8
-50 -25 0 25 50 75 100 125 150
2
Threshold Voltage
ID = 250 mA
TJ - Temperature (_C)
Normalized Thermal Transient Impedance, Junction-to-Ambient
60
50
40
30
Power (W)
20
10
0
10
Single Pulse Power
-2
-1
1 100 6001010
Time (sec)
1
0.1
Thermal Impedance
Normalized Effective Transient
0.01
10
2
1
0.1
Thermal Impedance
Normalized Effective Transient
Duty Cycle = 0.5
0.2
0.1
0.05
0.02
-4
Duty Cycle = 0.5
0.2
0.1
0.05
0.02
10
-3
Single Pulse
-2
10
-1
1 10 60010
Square Wave Pulse Duration (sec)
Normalized Thermal Transient Impedance, Junction-to-Foot
Notes:
P
DM
t
1
t
- TA = PDMZ
JM
2
1. Duty Cycle, D =
2. Per Unit Base = R
3. T
4. Surface Mounted
thJA
t
t
thJA
100
1
2
= 67_C/W
(t)
0.01
www.vishay.com
4
Single Pulse
-4
10
-3
10
-2
10
-1
11010
Square Wave Pulse Duration (sec)
Document Number: 71439
S-03662—Rev. B, 14-Apr-03