参数资料
| 型号： | SP720APP |
| 厂商： | Littelfuse Inc |
| 文件页数： | 4/6页 |
| 文件大小： | 0K |
| 描述： | TVS ARRAY ESD 14 INPUT 16-DIP |
| 产品培训模块： | Transient Voltage Suppression (TVS) Diodes TVS Diode Array |
| 产品目录绘图： | SP72 Series Circuit |
| 标准包装： | 1,000 |
| 系列： | SP720 |
| 电压 - 工作： | 30V |
| 技术： | 混合技术 |
| 电路数： | 14 |
| 应用： | 通用 |
| 封装/外壳： | 16-DIP |
| 供应商设备封装： | 16-PDIP |
| 包装： | 管件 |
| 产品目录页面： | 2374 (CN2011-ZH PDF) |
| 其它名称： | F2718 |
TVS Diode Arrays (SPA ? Diodes)
General Purpose ESD Protection - SP720 Series
Peak Transient Current Capability for Long Duration Surges
The peak transient current capability rises sharply as the
width of the current pulse narrows. Destructive testing
was done to fully evaluate the SP720’s ability to withstand
Figure 4: Typical SP720 Peak Current Test Circuit
with a Variable Pulse Width Input
a wide range of transient current pulses. The circuit used to
generate current pulses is shown in Figure 4.
The test circuit of Figure 4 is shown with a positive pulse
input. For a negative pulse input, the (-) current pulse input
+
V G
-
R 1
VARIABLE TIME DURATION
CURRENT PULSE GENERA TOR
CURRENT
SENSE
(-)
goes to an SP720 ‘IN’ input pin and the (+) current pulse
input goes to the SP720 V- pin. The V+ to V- supply of the
SP720 must be allowed to float. (i.e., It is not tied to the
ground reference of the current pulse generator.) Figure
5 shows the point of overstress as defined by increased
leakage in excess of the data sheet published limits.
(+)
VOLTAGE
PROBE
1 IN
2 IN
3 IN
4 IN
5 IN
6 IN
SP720
V+ 16
IN 15
IN 14
IN 13
IN 12
IN 11
C1
+
-
The maximum peak input current capability is dependent
on the V+ to V- voltage supply level, improving as the
supply voltage is reduced. Values of 0, 5, 15 and 30
R 1 ~ 10 TYPICAL
V G ADJ. 10V/ATYPICAL
C1 ~ 100 μF
7 IN
8 V-
IN 10
IN 9
Figure 5: SP720 Typical Nonrepetitive Peak Current
voltages are shown. The safe operating range of the
transient peak current should be limited to no more than
75% of the measured overstress level for any given pulse
width as shown in Figure 5.
When adjacent input pins are paralleled, the sustained
peak current capability is increased to nearly twice that
of a single pin. For comparison, tests were run using dual
FIGURE 5. TYPICAL SP720 PEAK CURRENT TEST CIRCUIT
WITH A VARIABLE PULSE WIDTH INPUT
Pulse Capability
Showing the Measured Point of Overstress in Amperes vs
pulse width time in milliseconds (T A = 25 o C)
10
pin combinations 1+2, 3+4, 5+6, 7+9, 10+11, 12+13 and
14+15.
The overstress curve is shown in Figure 5 for a 15V supply
condition. The dual pins are capable of 10A peak current
for a 10μs pulse and 4A peak current for a 1ms pulse. The
complete for single pulse peak current vs. pulse width time
9
8
7
6
5
4
CAUTION: SAFE OPERATING CONDITIONS LIMIT
THE MAXIMUM PEAK CURRENT FOR A GIVEN
PULSE WIDTH TO BE NO GREATER THAN 75%
OF THE VALUES SHOWN ON EACH CURVE.
SINGLE PIN STRESS CURVES
DUAL PIN STRESS CURVE
ranging up to 1 second are shown in Figure 5.
3
2
0V
5V
30V
15V
15V
1
0
V+ TOV-SUPPLY
0.001
0.01
0.1
1
10
100
1000
PULSE WIDTH TIME (ms)
? 2013 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 04/24/13
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SP720APP - LITTELFUSE | 制造商:Littelfuse 功能描述:DIODE TVS 制造商:Littelfuse 功能描述:DIODE, TVS |
| SP720APP | 制造商:Littelfuse 功能描述:TVS DIODE ARRAY |
| SP720APP | 制造商:Littelfuse 功能描述:THYRISTOR ARRAY TVS |
| SP720MD-8 | 制造商:Harris Corporation 功能描述: |
| SP721 | 制造商:LITTELFUSE 制造商全称:Littelfuse 功能描述:Electronic Protection Array for ESD and Overvoltage Protection |
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