Si7850DP
New Product
Vishay Siliconix
N-Channel 60-V (D-S) Fast Switching MOSFET
PRODUCT SUMMARY
VDS (V)
60
FEATURES
ID (A)
10.3 8.7
rDS(on) (W)
0.022 @ VGS = 10 V 0.031 @ VGS = 4.5 V
D TrenchFETr Power MOSFET D New Low Thermal Resistance PowerPAKt Package with Low 1.07-mm Profile D PWM Optimized for Fast Switching
APPLICATIONS
D Primary Side Switch for 24-V DC/DC Applications D Secondary Synchronous Rectifier
PowerPAKt SO-8
D
6.15 mm
S 1 2 3 S S
5.15 mm
G 4
G
D 8 7 6 5 D D D
S N-Channel MOSFET Bottom View
ABSOLUTE MAXIMUM RATINGS (TA = 25_C UNLESS OTHERWISE NOTED)
Parameter
Drain-Source Voltage Gate-Source Voltage Continuous Drain Current (TJ = 150_C)a _ Continuous Source Current Pulsed Drain Current Avalanche Currentb Single Avalanche Energyb Maximum Power Dissipationa Operating Junction and Storage Temperature Range TA = 25_C TA = 85_C TA = 25_C TA = 85_C
Symbol
VDS VGS
10 secs
60 "20 10.3
Steady State
Unit
V
6.2 4.5 1.5 40 15 11 mJ 1.8 0.9 –55 to 150 W _C A
ID IS IDM IAS EAS
7.5 3.7
4.5 PD TJ, Tstg 2.3
THERMAL RESISTANCE RATINGS
Parameter
t v 10 sec Maximum Junction-to-Ambienta Maximum Junction-to-Case (Drain) Notes a. Surface Mounted on 1” x 1” FR4 Board. b. Guaranteed by design, not subject to production testing. Document Number: 71625 S-03828—Rev. A, 28-May-01 www.vishay.com Steady State Steady State RthJA RthJC
Symbol
Typical
22 58 2.6
Maximum
28 70 3.3
Unit
_C/W C/W
1
Si7850DP
Vishay Siliconix
New Product
MOSFET SPECIFICATIONS (TJ = 25_C UNLESS OTHERWISE NOTED)
Parameter Static
Drain-Source Breakdown Voltage Gate Threshold Voltage Gate-Body Leakage Zero Gate Voltage Drain Current On-State Drain Currenta Drain-Source On-State Resistancea Forward Transconductancea Diode Forward Voltagea V(BR)DSS VGS(th) IGSS IDSS ID(on) rDS(on) gfs VSD VGS = 0 V, ID = 250 mA VDS = VGS, ID = 250 mA VDS = 0 V, VGS = "20 V VDS = 60 V, VGS = 0 V VDS = 60 V, VGS = 0 V, TJ = 55_C VDS w 5 V, VGS = 10 V VGS = 10 V, ID = 10.3 A VGS = 4.5 V, ID = 8.7 A VDS = 15 V, ID = 10.3 A IS = 3.8 A, VGS = 0 V 40 0.018 0.025 26 0.85 1.2 0.022 0.031 S V 60 V 1 "100 1 20 nA m mA A W
Symbol
Test Condition
Min
Typ
Max
Unit
Dynamicb
Total Gate Charge Gate-Source Charge Gate-Drain Charge Gate-Resistance Turn-On Delay Time Rise Time Turn-Off Delay Time Fall Time Source-Drain Reverse Recovery Time Qg Qgs Qgd RG td(on) tr td(off) tf trr IF = 3.8 A, di/dt = 100 A/ms VDD = 30 V, RL = 30 W ID ^ 1 A, VGEN = 10 V, RG = 6 W VDS = 30 V, VGS = 10 V, ID = 10.3 A 18 3.4 5.3 1.4 10 10 25 12 50 20 20 50 24 80 ns W 27 nC
Notes a. Pulse test; pulse width v 300 ms, duty cycle v 2%. b. Guaranteed by design, not subject to production testing.
TYPICAL CHARACTERISTICS (25_C UNLESS NOTED)
Output Characteristics
40 VGS = 10 thru 5 V 32 I D – Drain Current (A) I D – Drain Current (A) 32 40
Transfer Characteristics
24 4V 16
24
16 TC = 150_C 8 25_C –55_C
8 3V 0 0.0
0 0.5 1.0 1.5 2.0 2.5 3.0 0 1 2 3 4 5
VDS – Drain-to-Source Voltage (V)
VGS – Gate-to-Source Voltage (V)
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Document Number: 71625 S-03828—Rev. A, 28-May-01
Si7850DP
New Product
TYPICAL CHARACTERISTICS (25_C UNLESS NOTED)
On-Resistance vs. Drain Current
0.06 1400 1200 C – Capacitance (pF) 1000 800 600 400 200 0 0 8 16 24 32 40 0 Crss 10 20 30 40 50 60 Coss Ciss
Vishay Siliconix
Capacitance
r DS(on) – On-Resistance ( W )
0.05
0.04 VGS = 4.5 V 0.03 VGS = 10 V
0.02
0.01
0.00
ID – Drain Current (A)
VDS – Drain-to-Source Voltage (V)
Gate Charge
10 V GS – Gate-to-Source Voltage (V) VDS = 30 V ID = 10.3 A 2.0 1.8 r DS(on) – On-Resistance (W) (Normalized) 1.6 1.4 1.2 1.0 0.8 0 0 4 8 12 16 20 0.6 –50
On-Resistance vs. Junction Temperature
VGS = 10 V ID = 10.3 A
8
6
4
2
–25
0
25
50
75
100
125
150
Qg – Total Gate Charge (nC)
TJ – Junction Temperature (_C)
Source-Drain Diode Forward Voltage
50 0.06
On-Resistance vs. Gate-to-Source Voltage
0.05 r DS(on) – On-Resistance ( W ) I S – Source Current (A)
TJ = 150_C 10
TJ = 25_C
0.04 ID = 10.3 A 0.03
0.02
0.01
1 0.00 0.5 1.0 1.5 2.0 2.5
0.00 0 2 4 6 8 10
VSD – Source-to-Drain Voltage (V)
VGS – Gate-to-Source Voltage (V)
Document Number: 71625 S-03828—Rev. A, 28-May-01
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Si7850DP
Vishay Siliconix
New Product
TYPICAL CHARACTERISTICS (25_C UNLESS NOTED)
Threshold Voltage
0.4 0.2 –0.0 –0.2 –0.4 –0.6 20 –0.8 –1.0 –50 0 –25 0 25 50 75 100 125 150 0.01 0.1 1 Time (sec) 10 100 600 TJ – Temperature (_C) ID = 250 mA Power (W) 80 100
Single Pulse Power
V GS(th) Variance (V)
60
40
Normalized Thermal Transient Impedance, Junction-to-Ambient
2 1 Duty Cycle = 0.5
Normalized Effective Transient Thermal Impedance
0.2
Notes:
0.1 0.1 0.05
t1 PDM
0.02
t2 1. Duty Cycle, D =
2. Per Unit Base = RthJA = 58_C/W
t1 t2
Single Pulse 0.01 10–4 10–3 10–2 10–1 1 Square Wave Pulse Duration (sec)
3. TJM – TA = PDMZthJA(t) 4. Surface Mounted
10
100
600
Normalized Thermal Transient Impedance, Junction-to-Case
2 1 Duty Cycle = 0.5
Normalized Effective Transient Thermal Impedance
0.2 0.1 0.1 0.05 0.02 Single Pulse 0.01 10–4 10–3 10–2 Square Wave Pulse Duration (sec) 10–1 1
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Document Number: 71625 S-03828—Rev. A, 28-May-01