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參數(shù)資料
| 型號： | TDA3604TH |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | Multiple voltage regulators with external reset delay and switch(外部帶有復(fù)位延遲和開關(guān)轉(zhuǎn)換的多路輸出電壓穩(wěn)壓器) |
| 中文描述： | DUAL OUTPUT, FIXED POSITIVE REGULATOR, PDSO20 |
| 封裝： | HEAT SINK, POWER, PLASTIC, SOT-418-3, SOP-20 |
| 文件頁數(shù)： | 14/20頁 |
| 文件大?。?/td> | 129K |
| 代理商： | TDA3604TH |
1997 Aug 21
14
Philips Semiconductors
Product specification
Multiple voltage regulators with external
reset delay and switch
TDA3604Q; TDA3604TH
SHORT CIRCUIT BEHAVIOUR OF POWER SWITCH
The short circuit behaviour of the switch with large
inductive loads (switch output goes out of the radio) can be
improved by replacing C2 (see Fig.7) by a larger
electrolytic capacitor of 10
μ
F/16 V. When the temperature
protection of the switch becomes active, due to a short
circuit of the switch, the behaviour will be improved.
When the switch is clamped an minimum output capacitor
of 10
μ
F is needed.
The power switch is not protected against ‘loss of ground’
condition (= short of the switch to ground with floating
ground pin of the TDA3604 itself). A ‘loss of ground’
situation can in practice only occur when the switch output
goes outside the car-radio box.
There is an application solution to protect against ‘loss of
ground’ (see Fig.8).
It is advisable to limit the dissipation at short circuit
condition by monitoring the output of the power switch.
The microprocessor can switch of the power switch when
the switch was enabled and the switch output remains low
due to a short circuit condition.
Fig.8 ‘Loss of ground’ protection.
handbook, full pagewidth
MGL209
Vbat (
+
)
Vbat (
)
Vbat (
)
TDA3604Q
VI(sw), VP
2, 3
10
GND
VO(sw)
D1
D2
C1
D3
switch output
13
short circuit
to Vbat (
)
radio disconnected
from Vbat (
)
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TDA3605Q | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Multiple voltage regulator with switch |
| TDA3606 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Multiple voltage regulator with battery detection |
| TDA3606A | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Multiple voltage regulator with battery detection |
| TDA3606AT | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Multiple voltage regulator with battery detection |
| TDA3606AT/N1 | 功能描述:低壓差穩(wěn)壓器 - LDO CARRADIO POWER AMPS RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
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