参数资料
型号: SI1563EDH-T1-GE3
厂商: Vishay Siliconix
文件页数: 11/14页
文件大小: 0K
描述: MOSFET N/P-CH 20V SC70-6
标准包装: 3,000
系列: TrenchFET®
FET 型: N 和 P 沟道
FET 特点: 逻辑电平门
漏极至源极电压(Vdss): 20V
电流 - 连续漏极(Id) @ 25° C: 1.13A,880mA
开态Rds(最大)@ Id, Vgs @ 25° C: 280 毫欧 @ 1.13A,4.5V
Id 时的 Vgs(th)(最大): 450mV @ 100µA
闸电荷(Qg) @ Vgs: 1nC @ 4.5V
功率 - 最大: 570mW
安装类型: *
封装/外壳: 6-TSSOP,SC-88,SOT-363
供应商设备封装: SC-70-6
包装: 带卷 (TR)
AN816
Vishay Siliconix
S1
G1
D2
Front of Board SC70-6
SC70 ? 6 DUAL
D1
G2
S2
Back of Board SC70-6
vishay.com
FIGURE 3.
THERMAL PERFORMANCE
Junction-to-Foot Thermal Resistance
(the Package Performance)
COOPER LEADFRAM E
Room Ambient 25 _ C
Elevated Ambient 60 _ C
R q JA
R q JA
P D + 150 C o * 60 C
o
o
P D + 150 C o * 25 C
Thermal performance for the dual SC-70 6-pin package is
measured as junction-to-foot thermal resistance, in which the
“foot” is the drain lead of the device as it connects with the
body. The junction-to-foot thermal resistance for this device is
typically 80 _ C/W, with a maximum thermal resistance of
approximately 100 _ C/W. This data compares favorably with
another compact, dual-channel package – the dual TSOP-6 –
which features a typical thermal resistance of 75 _ C/W and a
maximum of 90 _ C/W.
Power Dissipation
The typical R θ JA for the dual-channel 6-pin SC-70 with a
copper leadframe is 224 _ C/W steady-state, compared to
413 _ C/W for the Alloy 42 version. All figures are based on the
1-inch 2 FR4 test board. The following example shows how the
thermal resistance impacts power dissipation for the dual 6-pin
SC-70 package at varying ambient temperatures.
T J(max) * T A T J(max) * T A
P D + P D +
o o
224 C W 224 C W
P D + 558 mW P D + 402 mW
Although they are intended for low-power applications,
devices in the 6-pin SC-70 dual-channel configuration will
handle power dissipation in excess of 0.5 W.
TESTING
To further aid the comparison of copper and Alloy 42
leadframes, Figures 4 and 5 illustrate the dual-channel 6-pin
SC-70 thermal performance on two different board sizes and
pad patterns. The measured steady-state values of R θ JA for
the dual 6-pin SC-70 with varying leadframes are as follows:
LITTLE FOOT 6-PIN SC-7 0
Alloy 42 Copper
1) Minimum recommended pad pattern on
the EVB board (see Figure 3).
518 _ C/W
344 _ C/W
Alloy 42 Leadframe
2) Industry standard 1-inch 2 PCB with
maximum copper both sides.
413 _ C/W
224 _ C/W
R q JA
R q JA
P D + 150 C o * 25 C
P D + 150 C o * 60 C
ALLOY 42 LEADFRAME
Room Ambient 25 _ C
T J(max) * T A
P D +
o o
413 C W
P D + 303 mW
www.vishay.com
2
Elevated Ambient 60 _ C
T J(max) * T A
P D +
o o
413 C W
P D + 218 mW
The results indicate that designers can reduce thermal
resistance ( θ JA) by 34% simply by using the copper leadframe
device as opposed to the Alloy 42 version. In this example, a
174 _ C/W reduction was achieved without an increase in board
area. If an increase in board size is feasible, a further 120 _ C/W
reduction can be obtained by utilizing a 1-inch 2 . PCB area.
The Dual copper leadframe versions have the following suffix:
Dual: Si19xxEDH
Compl.: Si15xxEDH
Document Number: 71405
12-Dec-03
相关PDF资料
PDF描述
SI1900DL-T1-E3 MOSFET N-CH DUAL 30V SC70-6
SI1902DL-T1-GE3 MOSFET N-CH G-S 20V DUAL SC-70-6
SI1926DL-T1-E3 MOSF N CH DUAL D-S 60V SC-70-6
SI1967DH-T1-E3 MOSFET 2P-CH 20V 1.3A SC70-6
SI1970DH-T1-GE3 MOSFET N-CH DUAL 30V SC70-6
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