Si3585CDV Datasheet

Si3585CDV
Vishay Siliconix
N- and P-Channel 20 V (D-S) MOSFET
FEATURES
PRODUCT SUMMARY
VDS (V)
N-Channel
20
P-Channel
- 20
RDS(on) () Max.
• TrenchFET® Power MOSFETs
• 100 % Rg Tested
• Material categorization:
For definitions of compliance please see
www.vishay.com/doc?99912
ID (A)a Qg (Typ.)
0.058 at VGS = 4.5 V
3.9
0.078 at VGS = 2.5 V
3.3
0.195 at VGS = - 4.5 V
- 2.1
0.316 at VGS = - 2.5 V
- 1.7
2.9 nC
1.6 nC
APPLICATIONS
• Load Switch for Portable Devices
• DC/DC Converters
• Drivers: Motor, Solenoid, Relay
TSOP-6
Top View
3 mm
D1
G1
1
6
D1
S2
2
5
S1
G2
G1
Marking Code
G2
3
D2
4
S2
EC
XXX
Lot Traceability
and Date Code
Part # Code
2.85 mm
Ordering Information: Si3585CDV-T1-GE3 (Lead (Pb)-free and Halogen-free)
S1
D2
N-Channel MOSFET
P-Channel MOSFET
ABSOLUTE MAXIMUM RATINGS (TA = 25 °C, unless otherwise noted)
Parameter
Symbol
N-Channel
P-Channel
Drain-Source Voltage
VDS
20
- 20
Gate-Source Voltage
VGS
Continuous Drain Current (TJ = 150 °C)
3.9
- 2.1
TC = 70 °C
3.1
- 1.7
ID
TA = 70 °C
b, c
3.5
- 1.9b, c
2.8b, c
12
1.2
- 1.5b, c
-5
- 1.1
0.9b, c
1.4
0.9
- 0.9b, c
1.3
0.8
1.1b, c
1.1b, c
0.7b, c
0.7b, c
IDM
Pulsed Drain Current (t = 300 µs)
TC = 25 °C
Source Drain Current Diode Current
TA = 25 °C
TC = 25 °C
TC = 70 °C
Maximum Power Dissipation
V
± 12
TC = 25 °C
TA = 25 °C
TA = 25 °C
IS
PD
TA = 70 °C
TJ, Tstg
Operating Junction and Storage Temperature Range
Unit
- 55 to 150
A
W
°C
THERMAL RESISTANCE RATINGS
Parameter
Maximum Junction-to-Ambient
Symbol
b, d
Maximum Junction-to-Foot (Drain)
N-Channel
P-Channel
Typ.
Max.
Typ.
Max.
t5s
RthJA
93
110
97
115
Steady State
RthJF
75
90
78
95
Unit
°C/W
Notes:
a. Based on TC = 25 °C.
b. Surface mounted on 1" x 1" FR4 board.
c. t = 5 s.
d. Maximum under steady state conditions is 150 °C/W for n-channel and 155 °C/W for p-channel.
Document Number: 67470
S13-1562-Rev. C, 15-Jul-13
For technical questions, contact: [email protected]
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1
This document is subject to change without notice.
THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
Si3585CDV
Vishay Siliconix
SPECIFICATIONS (TJ = 25 °C, unless otherwise noted)
Parameter
Symbol
Test Conditions
Min.
Typ.
Max.
Unit
Static
VDS
Drain-Source Breakdown Voltage
VDS/TJ
VDS Temperature Coefficient
VGS(th)/TJ
VGS(th) Temperature Coefficient
VGS(th)
Gate Threshold Voltage
IGSS
Gate-Source Leakage
VGS = 0 V, ID = 250 µA
N-Ch
20
VGS = 0 V, ID = - 250 µA
P-Ch
- 20
ID = 250 µA
N-Ch
15
ID = - 250 µA
P-Ch
- 16.2
ID = 250 µA
N-Ch
- 2.8
2.5
IDSS
On-State Drain Currentb
ID(on)
Drain-Source On-State Resistanceb
Forward Transconductanceb
RDS(on)
gfs
mV/°C
ID = - 250 µA
P-Ch
VDS = VGS, ID = 250 µA
N-Ch
0.6
1.5
VDS = VGS, ID = - 250 µA
P-Ch
- 0.6
- 1.5
VDS = 0 V, VGS = ± 12 V
VDS = 20 V, VGS = 0 V
Zero Gate Voltage Drain Current
V
N-Ch
± 100
P-Ch
± 100
N-Ch
1
VDS = - 20 V, VGS = 0 V
P-Ch
-1
VDS = 20 V, VGS = 0 V, TJ = 55 °C
N-Ch
10
VDS = - 20 V, VGS = 0 V, TJ = 55 °C
P-Ch
- 10
VDS 5 V, VGS = 4.5 V
N-Ch
12
VDS - 5 V, VGS = - 4.5 V
P-Ch
-5
VGS = 4.5 V, ID = 2.5 A
N-Ch
0.048
VGS = - 4.5 V, ID = - 1.9 A
P-Ch
0.162
0.195
VGS = 2.5 V, ID = 1 A
N-Ch
0.065
0.078
VGS = - 2.5 V, ID = - 1 A
P-Ch
0.263
0.316
VDS = 10 V, ID = 35 A
N-Ch
12
VDS = - 10 V, ID = - 1.9 A
P-Ch
1
V
nA
µA
A
0.058

S
Dynamica
Input Capacitance
Ciss
Output Capacitance
Coss
Reverse Transfer Capacitance
Crss
N-Channel
VDS = 10 V, VGS = 0 V, f = 1 MHz
P-Channel
VDS = - 10 V, VGS = 0 V, f = 1 MHz
VDS = 10 V, VGS = 10 V, ID = 3.5 A
Total Gate Charge
Gate-Source Charge
Qg
VDS = - 10 V, VGS = - 10 V, ID = - 1.9 A
150
P-Ch
210
N-Ch
53
P-Ch
50
N-Ch
22
P-Ch
35
N-Ch
3.2
6
9
1.6
2.4
4.3
P-Ch
2.9
0.3
P-Ch
0.6
N-Ch
0.4
P-Ch
0.9
Gate-Drain Charge
Qgd
Gate Resistance
Rg
f = 1 MHz
For technical questions, contact: [email protected]
4.8
P-Ch
N-Ch
Qgs
pF
N-Ch
N-Channel
VDS = 10 V, VGS = 4.5 V, ID = 3.5 A
P-Channel
VDS = - 10 V, VGS = - 4.5 V, ID = - 1.9 A
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N-Ch
N-Ch
0.9
4.8
9.6
P-Ch
1.2
6.2
12.4
nC

Document Number: 67470
S13-1562-Rev. C, 15-Jul-13
This document is subject to change without notice.
THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
Si3585CDV
Vishay Siliconix
SPECIFICATIONS (TJ = 25 °C, unless otherwise noted)
Parameter
Dynamic
Symbol
Test Conditions
Min.
Typ.
Max.
N-Ch
5
10
P-Ch
3
6
N-Ch
20
30
20
Unit
a
td(on)
Turn-On Delay Time
tr
Rise Time
td(off)
Turn-Off Delay Time
tf
Fall Time
td(on)
Turn-On Delay Time
tr
Rise Time
Fall Time
P-Channel
VDD = - 10 V, RL = 6.7 
ID  - 1.5 A, VGEN = - 10 V, Rg = 1 
N-Channel
VDD = 10 V, RL = 3.6 
ID  2.8 A, VGEN = 4.5 V, Rg = 1 
tf
P-Channel
VDD = - 10 V, RL = 6.7 
ID  - 1.5 A, VGEN = - 4.5 V, Rg = 1 
IS
TC = 25 °C
td(off)
Turn-Off Delay Time
N-Channel
VDD = 10 V, RL = 3.6 
ID  2.8 A, VGEN = 10 V, Rg = 1 
P-Ch
10
N-Ch
11
20
P-Ch
13
20
N-Ch
8
16
P-Ch
7
14
N-Ch
15
23
25
P-Ch
16
N-Ch
37
56
P-Ch
16
25
N-Ch
25
38
P-Ch
13
20
N-Ch
28
42
P-Ch
9
18
ns
Drain-Source Body Diode Characteristics
Continuous Source-Drain Diode Current
Pulse Diode Forward Currenta
ISM
VSD
Body Diode Voltage
1.2
P-Ch
- 1.1
N-Ch
12
P-Ch
N-Ch
0.8
1.2
IS = - 1.5 A, VGS = 0 V
P-Ch
- 0.8
- 1.2
N-Ch
8
16
P-Ch
21
32
Body Diode Reverse Recovery Charge
Qrr
N-Channel
IF = 2.8 A, dI/dt = 100 A/µs, TJ = 25 °C
Reverse Recovery Fall Time
ta
P-Channel
IF = - 1.5 A, dI/dt = - 100 A/µs, TJ = 25 °C
Reverse Recovery Rise Time
tb
A
-5
IS = 2.8 A, VGS = 0 V
trr
Body Diode Reverse Recovery Time
N-Ch
N-Ch
2
4
P-Ch
11
20
N-Ch
5
P-Ch
10
N-Ch
3
P-Ch
11
V
ns
nC
ns
Notes:
a. Guaranteed by design, not subject to production testing.
b. Pulse test; pulse width  300 µs, duty cycle  2 %.
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation
of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum
rating conditions for extended periods may affect device reliability.
Document Number: 67470
S13-1562-Rev. C, 15-Jul-13
For technical questions, contact: [email protected]
www.vishay.com
3
This document is subject to change without notice.
THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
Si3585CDV
Vishay Siliconix
N-CHANNEL TYPICAL CHARACTERISTICS (25 °C, unless otherwise noted)
12
5
VGS = 5 V thru 3 V
VGS = 2.5 V
4
ID - Drain Current (A)
ID - Drain Current (A)
9
6
VGS = 2 V
3
TC = 25 °C
2
3
1
TC = 125 °C
VGS = 1.5 V
0
0
0.5
1
1.5
2
0
0.5
1
1.5
VDS - Drain-to-Source Voltage (V)
VGS - Gate-to-Source Voltage (V)
Output Characteristics
Transfer Characteristics
0.08
2
210
0.07
168
Ciss
VGS = 2.5 V
C - Capacitance (pF)
RDS(on) - On-Resistance (Ω)
TC = - 55 °C
0
0.06
VGS = 4.5 V
0.05
0.04
126
84
Coss
42
Crss
0.03
0
0
3
6
9
12
0
5
10
15
ID - Drain Current (A)
VDS - Drain-to-Source Voltage (V)
On-Resistance vs. Drain Current and Gate Voltage
Capacitance
10
VGS = 4.5 V
1.3
VDS = 5 V
8
ID = 3.5 A
RDS(on) - On-Resistance
(Normalized)
VGS - Gate-to-Source Voltage (V)
ID = 3.5 A
6
VDS = 10 V
4
20
VDS = 16 V
1.1
0.9
2
0
0
0.7
1.4
2.1
2.8
Qg - Total Gate Charge (nC)
Gate Charge
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3.5
0.7
- 50
VGS = 2.5 V
- 25
0
25
50
75
100
125
150
TJ - Junction Temperature (°C)
On-Resistance vs. Junction Temperature
For technical questions, contact: [email protected]
Document Number: 67470
S13-1562-Rev. C, 15-Jul-13
This document is subject to change without notice.
THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
Si3585CDV
Vishay Siliconix
N-CHANNEL TYPICAL CHARACTERISTICS (25 °C, unless otherwise noted)
10
0.08
RDS(on) - On-Resistance (Ω)
IS - Source Current (A)
ID = 3.5 A
TJ = 150 °C
1
TJ = 25 °C
0.1
0.0
0.065
TJ = 125 °C
0.05
TJ = 25 °C
0.035
0.02
0.2
0.4
0.6
0.8
1.0
1.2
0
2
VSD - Source-to-Drain Voltage (V)
4
6
8
10
VGS - Gate-to-Source Voltage (V)
Source-Drain Diode Forward Voltage
On-Resistance vs. Gate-to-Source Voltage
1.2
6
5
1.05
Power (W)
VGS(th) (V)
4
ID = 250 μA
0.9
3
2
0.75
1
0.6
- 50
- 25
0
25
50
75
100
125
0
0.01
150
0.1
TJ - Temperature (°C)
1
10
100
1000
Time (s)
Threshold Voltage
Single Pulse Power
100
Limited by RDS(on)*
ID - Drain Current (A)
10
100 μs
1
1 ms
10 ms
0.1
100 ms
1 s, 10 s
DC
TA = 25 °C
Single Pulse
0.01
0.1
BVDSS Limited
1
10
100
VDS - Drain-to-Source Voltage (V)
* VGS > minimum VGS at which RDS(on) is specified
Safe Operating Area, Junction-to-Ambient
Document Number: 67470
S13-1562-Rev. C, 15-Jul-13
For technical questions, contact: [email protected]
www.vishay.com
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This document is subject to change without notice.
THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
Si3585CDV
Vishay Siliconix
N-CHANNEL TYPICAL CHARACTERISTICS (25 °C, unless otherwise noted)
5
ID - Drain Current (A)
4
Package Limited
3
2
1
0
0
25
50
75
100
125
150
TC - Case Temperature (°C)
Current Derating*
1.0
0.8
Power (W)
Power (W)
1.5
1
0.6
0.4
0.5
0.2
0.0
0
0
25
50
75
100
125
150
0
25
TC - Case Temperature (°C)
Power, Junction-to-Foot
50
75
100
125
150
TA - Ambient Temperature (°C)
Power, Junction-to-Ambient
* The power dissipation PD is based on TJ(max.) = 150 °C, using junction-to-case thermal resistance, and is more useful in settling the upper
dissipation limit for cases where additional heatsinking is used. It is used to determine the current rating, when this rating falls below the package
limit.
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For technical questions, contact: [email protected]
Document Number: 67470
S13-1562-Rev. C, 15-Jul-13
This document is subject to change without notice.
THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
Si3585CDV
Vishay Siliconix
N-CHANNEL TYPICAL CHARACTERISTICS (25 °C, unless otherwise noted)
1
Normalized Effective Transient
Thermal Impedance
Duty Cycle = 0.5
0.2
0.1
Notes:
0.05
PDM
0.1
t1
0.02
t2
1. Duty Cycle, D =
t1
t2
2. Per Unit Base = R thJA = 150 °C/W
3. T JM - TA = PDMZthJA(t)
Single Pulse
4. Surface Mounted
0.01
10 -4
10 -3
10 -2
10 -1
1
100
10
1000
Square Wave Pulse Duration (s)
Normalized Thermal Transient Impedance, Junction-to-Ambient
1
Normalized Effective Transient
Thermal Impedance
Duty Cycle = 0.5
0.2
0.1
0.1
0.05
0.02
Single Pulse
0.01
10 -4
10 -3
10 -2
10 -1
1
10
Square Wave Pulse Duration (s)
Normalized Thermal Transient Impedance, Junction-to-Foot
Document Number: 67470
S13-1562-Rev. C, 15-Jul-13
For technical questions, contact: [email protected]
www.vishay.com
7
This document is subject to change without notice.
THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
Si3585CDV
Vishay Siliconix
P-CHANNEL TYPICAL CHARACTERISTICS (25 °C, unless otherwise noted)
5
1.5
VGS = 5 V thru 3 V
VGS = 2.5 V
1.2
ID - Drain Current (A)
ID - Drain Current (A)
4
3
VGS = 2 V
2
1
0.9
TC = 25 °C
0.6
0.3
TC = 125 °C
VGS = 1.5 V
0
TC = - 55 °C
0
0
0.5
1
1.5
2
0
0.5
1
1.5
VDS - Drain-to-Source Voltage (V)
VGS - Gate-to-Source Voltage (V)
Output Characteristics
Transfer Characteristics
0.30
2
360
VGS = 2.5 V
300
C - Capacitance (pF)
RDS(on) - On-Resistance (Ω)
0.24
0.18
VGS = 4.5 V
240
Ciss
180
120
Coss
0.12
60
Crss
0.06
0
0
1
2
3
4
5
0
5
ID - Drain Current (A)
15
20
Capacitance
On-Resistance vs. Drain Current and Gate Voltage
10
1.5
ID = 1.9 A
VGS = 2.5 V
ID = 1.9 A
8
VDS = 5 V
RDS(on) - On-Resistance
(Normalized)
VGS - Gate-to-Source Voltage (V)
10
VDS - Drain-to-Source Voltage (V)
6
VDS = 10 V
4
VDS = 16 V
1.3
1.1
0.9
2
0
0
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1.5
3
4.5
6
0.7
- 50
VGS = 4.5 V
- 25
0
25
50
75
100
125
150
Qg - Total Gate Charge (nC)
TJ - Junction Temperature (°C)
Gate Charge
On-Resistance vs. Junction Temperature
For technical questions, contact: [email protected]
Document Number: 67470
S13-1562-Rev. C, 15-Jul-13
This document is subject to change without notice.
THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
Si3585CDV
Vishay Siliconix
P-CHANNEL TYPICAL CHARACTERISTICS (25 °C, unless otherwise noted)
10
0.3
RDS(on) - On-Resistance (Ω)
IS - Source Current (A)
ID = 1.9 A
TJ = 150 °C
1
TJ = 25 °C
0.1
0.0
0.24
TJ = 125 °C
0.18
TJ = 25 °C
0.12
0.06
0.2
0.4
0.6
0.8
1.0
1.2
0
2
VSD - Source-to-Drain Voltage (V)
4
6
8
10
VGS - Gate-to-Source Voltage (V)
Source-Drain Diode Forward Voltage
On-Resistance vs. Gate-to-Source Voltage
1.15
25
20
1
Power (W)
VGS(th) (V)
ID = 250 μA
0.85
15
10
0.7
5
0.55
- 50
- 25
0
25
50
75
100
125
0
150
0.001
0.01
TJ - Temperature (°C)
0.1
1
10
Time (s)
Single Pulse Power
Threshold Voltage
10
ID - Drain Current (A)
Limited by RDS(on)*
1 ms
1
10 ms
100 ms
0.1
1 s, 10 s
DC
BVDSS Limited
TA = 25 °C
Single Pulse
0.01
0.1
1
10
100
VDS - Drain-to-Source Voltage (V)
* VGS > minimum VGS at which RDS(on) is specified
Safe Operating Area, Junction-to-Ambient
Document Number: 67470
S13-1562-Rev. C, 15-Jul-13
For technical questions, contact: [email protected]
www.vishay.com
9
This document is subject to change without notice.
THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
Si3585CDV
Vishay Siliconix
P-CHANNEL TYPICAL CHARACTERISTICS (25 °C, unless otherwise noted)
2.5
ID - Drain Current (A)
2
1.5
1
0.5
0
0
25
50
75
100
125
150
TC - Case Temperature (°C)
Current Derating*
1.6
1.0
0.8
Power (W)
Power (W)
1.2
0.8
0.6
0.4
0.4
0.2
0
0.0
0
25
50
75
100
125
150
0
25
TC - Case Temperature (°C)
Power, Junction-to-Case
50
75
100
125
150
TA - Ambient Temperature (°C)
Power, Junction-to-Ambient
* The power dissipation PD is based on TJ(max.) = 150 °C, using junction-to-case thermal resistance, and is more useful in settling the upper
dissipation limit for cases where additional heatsinking is used. It is used to determine the current rating, when this rating falls below the package
limit.
www.vishay.com
10
For technical questions, contact: [email protected]
Document Number: 67470
S13-1562-Rev. C, 15-Jul-13
This document is subject to change without notice.
THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
Si3585CDV
Vishay Siliconix
P-CHANNEL TYPICAL CHARACTERISTICS (25 °C, unless otherwise noted)
2
Normalized Effective Transient
Thermal Impedance
1
Duty Cycle = 0.5
Notes:
0.2
PDM
0.1
0.1
t1
0.05
t2
1. Duty Cycle, D =
t1
t2
2. Per Unit Base = R thJA = 155 °C/W
0.02
3. T JM - TA = PDMZthJA(t)
4. Surface Mounted
Single Pulse
0.01
10- 4
10- 3
10- 2
10- 1
1
10
100
600
Square Wave Pulse Duration (s)
Normalized Thermal Transient Impedance, Junction-to-Ambient
2
Normalized Effective Transient
Thermal Impedance
1
Duty Cycle = 0.5
0.2
0.1
0.1
0.05
0.02
Single Pulse
0.01
10 - 4
10 - 3
10 - 2
10 - 1
Square Wave Pulse Duration (s)
1
10
Normalized Thermal Transient Impedance, Junction-to-Foot
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Technology and Package Reliability represent a composite of all qualified locations. For related documents such as package/tape drawings, part marking, and
reliability data, see www.vishay.com/ppg?67470.
Document Number: 67470
S13-1562-Rev. C, 15-Jul-13
For technical questions, contact: [email protected]
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This document is subject to change without notice.
THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
Package Information
Vishay Siliconix
TSOP: 5/6−LEAD
JEDEC Part Number: MO-193C
e1
e1
5
4
6
E1
1
2
5
4
E
E1
1
3
2
3
-B-
e
b
E
-B-
e
0.15 M C B A
5-LEAD TSOP
b
0.15 M C B A
6-LEAD TSOP
4x 1
-A-
D
0.17 Ref
c
R
R
A2 A
L2
Gauge Plane
Seating Plane
Seating Plane
0.08
C
L
A1
-C-
(L1)
4x 1
MILLIMETERS
Dim
A
A1
A2
b
c
D
E
E1
e
e1
L
L1
L2
R
Min
Nom
Max
Min
Nom
Max
0.91
-
1.10
0.036
-
0.043
0.01
-
0.10
0.0004
-
0.004
0.90
-
1.00
0.035
0.038
0.039
0.30
0.32
0.45
0.012
0.013
0.018
0.10
0.15
0.20
0.004
0.006
0.008
2.95
3.05
3.10
0.116
0.120
0.122
2.70
2.85
2.98
0.106
0.112
0.117
1.55
1.65
1.70
0.061
0.065
0.067
0.95 BSC
0.0374 BSC
1.80
1.90
2.00
0.071
0.075
0.079
0.32
-
0.50
0.012
-
0.020
0.60 Ref
0.024 Ref
0.25 BSC
0.010 BSC
0.10
-
-
0.004
-
-
0
4
8
0
4
8
7 Nom
1
ECN: C-06593-Rev. I, 18-Dec-06
DWG: 5540
Document Number: 71200
18-Dec-06
INCHES
7 Nom
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1
AN823
Vishay Siliconix
Mounting LITTLE FOOTR TSOP-6 Power MOSFETs
Surface mounted power MOSFET packaging has been based on
integrated circuit and small signal packages. Those packages
have been modified to provide the improvements in heat transfer
required by power MOSFETs. Leadframe materials and design,
molding compounds, and die attach materials have been
changed. What has remained the same is the footprint of the
packages.
The basis of the pad design for surface mounted power MOSFET
is the basic footprint for the package. For the TSOP-6 package
outline drawing see http://www.vishay.com/doc?71200 and see
http://www.vishay.com/doc?72610 for the minimum pad footprint.
In converting the footprint to the pad set for a power MOSFET, you
must remember that not only do you want to make electrical
connection to the package, but you must made thermal connection
and provide a means to draw heat from the package, and move it
away from the package.
In the case of the TSOP-6 package, the electrical connections are
very simple. Pins 1, 2, 5, and 6 are the drain of the MOSFET and
are connected together. For a small signal device or integrated
circuit, typical connections would be made with traces that are
0.020 inches wide. Since the drain pins serve the additional
function of providing the thermal connection to the package, this
level of connection is inadequate. The total cross section of the
copper may be adequate to carry the current required for the
application, but it presents a large thermal impedance. Also, heat
spreads in a circular fashion from the heat source. In this case the
drain pins are the heat sources when looking at heat spread on the
PC board.
Since surface mounted packages are small, and reflow soldering
is the most common form of soldering for surface mount
components, “thermal” connections from the planar copper to the
pads have not been used. Even if additional planar copper area is
used, there should be no problems in the soldering process. The
actual solder connections are defined by the solder mask
openings. By combining the basic footprint with the copper plane
on the drain pins, the solder mask generation occurs automatically.
A final item to keep in mind is the width of the power traces. The
absolute minimum power trace width must be determined by the
amount of current it has to carry. For thermal reasons, this
minimum width should be at least 0.020 inches. The use of wide
traces connected to the drain plane provides a low impedance
path for heat to move away from the device.
REFLOW SOLDERING
Vishay Siliconix surface-mount packages meet solder reflow
reliability requirements. Devices are subjected to solder reflow as a
test preconditioning and are then reliability-tested using
temperature cycle, bias humidity, HAST, or pressure pot. The
solder reflow temperature profile used, and the temperatures and
time duration, are shown in Figures 2 and 3.
Figure 1 shows the copper spreading recommended footprint for
the TSOP-6 package. This pattern shows the starting point for
utilizing the board area available for the heat spreading copper. To
create this pattern, a plane of copper overlays the basic pattern on
pins 1,2,5, and 6. The copper plane connects the drain pins
electrically, but more importantly provides planar copper to draw
heat from the drain leads and start the process of spreading the
heat so it can be dissipated into the ambient air. Notice that the
planar copper is shaped like a “T” to move heat away from the
drain leads in all directions. This pattern uses all the available area
underneath the body for this purpose.
0.167
4.25
0.074
1.875
0.014
0.35
0.122
3.1
0.026
0.65
0.049
1.25
0.049
1.25
0.010
0.25
FIGURE 1. Recommended Copper Spreading Footprint
Document Number: 71743
27-Feb-04
Ramp-Up Rate
+6_C/Second Maximum
Temperature @ 155 " 15_C
120 Seconds Maximum
Temperature Above 180_C
70 − 180 Seconds
Maximum Temperature
240 +5/−0_C
Time at Maximum Temperature
20 − 40 Seconds
Ramp-Down Rate
+6_C/Second Maximum
FIGURE 2. Solder Reflow Temperature Profile
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1
AN823
Vishay Siliconix
10 s (max)
255 − 260_C
1X4_C/s (max)
3-6_C/s (max)
217_C
140 − 170_C
60 s (max)
60-120 s (min)
Pre-Heating Zone
3_C/s (max)
Reflow Zone
Maximum peak temperature at 240_C is allowed.
FIGURE 3. Solder Reflow Temperature and Time Durations
THERMAL PERFORMANCE
TABLE 1.
Equivalent Steady State Performance—TSOP-6
Thermal Resistance Rqjf
30_C/W
On-Resistance vs. Junction Temperature
1.6
VGS = 4.5 V
ID = 6.1 A
1.4
rDS(on) − On-Resiistance
(Normalized)
A basic measure of a device’s thermal performance is the
junction-to-case thermal resistance, Rqjc, or the
junction-to-foot thermal resistance, Rqjf. This parameter is
measured for the device mounted to an infinite heat sink and
is therefore a characterization of the device only, in other
words, independent of the properties of the object to which the
device is mounted. Table 1 shows the thermal performance
of the TSOP-6.
1.2
1.0
0.8
0.6
−50
SYSTEM AND ELECTRICAL IMPACT OF
TSOP-6
−25
0
25
50
75
100
125
150
TJ − Junction Temperature (_C)
FIGURE 4. Si3434DV
In any design, one must take into account the change in
MOSFET rDS(on) with temperature (Figure 4).
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2
Document Number: 71743
27-Feb-04
Application Note 826
Vishay Siliconix
RECOMMENDED MINIMUM PADS FOR TSOP-6
0.099
0.039
0.020
0.019
(1.001)
(0.508)
(0.493)
0.064
(1.626)
0.028
(0.699)
(3.023)
0.119
(2.510)
Recommended Minimum Pads
Dimensions in Inches/(mm)
Return to Index
APPLICATION NOTE
Return to Index
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26
Document Number: 72610
Revision: 21-Jan-08
Legal Disclaimer Notice
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Disclaimer
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Please note that some Vishay documentation may still make reference to RoHS Directive 2002/95/EC. We confirm that
all the products identified as being compliant to Directive 2002/95/EC conform to Directive 2011/65/EU.
Vishay Intertechnology, Inc. hereby certifies that all its products that are identified as Halogen-Free follow Halogen-Free
requirements as per JEDEC JS709A standards. Please note that some Vishay documentation may still make reference
to the IEC 61249-2-21 definition. We confirm that all the products identified as being compliant to IEC 61249-2-21
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Revision: 02-Oct-12
1
Document Number: 91000