参数资料
型号: TPS2042DG4
厂商: TEXAS INSTRUMENTS INC
元件分类: 模拟信号调理
英文描述: SPECIALTY ANALOG CIRCUIT, PDSO8
封装: GREEN, PLASTIC, SOIC-8
文件页数: 6/26页
文件大小: 583K
代理商: TPS2042DG4
TPS2042, TPS2052
DUAL POWER-DISTRIBUTION SWITCHES
SLVS173A – AUGUST 1998 – REVISED APRIL 1999
14
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
4
2
0
2.5
5
7.5
Response
T
ime
6
Peak Current – A
OVERCURRENT RESPONSE TIME (OCx)
vs
PEAK CURRENT
8
10
12.5
s
VI(IN) = 5 V
TA = 25°C
Figure 28
APPLICATION INFORMATION
IN
OC1
EN1
OC2
EN2
GND
0.1
F
2
8
3
5
4
7
6
0.1
F
22
F
0.1
F
22
F
Load
1
OUT1
OUT2
TPS2042
Power Supply
2.7 V to 5.5 V
Figure 29. Typical Application
power-supply considerations
A 0.01-
F to 0.1-F ceramic bypass capacitor between INx and GND, close to the device, is recommended.
Placing a high-value electrolytic capacitor on the output pin(s) is recommended when the output load is heavy.
This precaution reduces power-supply transients that may cause ringing on the input. Additionally, bypassing
the output with a 0.01-
F to 0.1-F ceramic capacitor improves the immunity of the device to short-circuit
transients.
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