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參數(shù)資料
| 型號： | TDA3603 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | Multiple voltage regulator with switch(帶開關(guān)轉(zhuǎn)換的多路輸出穩(wěn)壓器) |
| 中文描述： | DUAL OUTPUT, FIXED POSITIVE REGULATOR, PSFM9 |
| 封裝： | POWER, PLASTIC, SOT-110-1, SIP-9 |
| 文件頁數(shù)： | 13/20頁 |
| 文件大?。?/td> | 121K |
| 代理商： | TDA3603 |
1997 Aug 15
13
Philips Semiconductors
Product specification
Multiple voltage regulator with switch
TDA3603
TEST AND APPLICATION INFORMATION
Fig.7 Test circuit (for SOT110-1).
(1) Capacitor not required for stability.
ndbook, full pagewidth
MBE232
regulator 2
regulator 1
enable input
V
ignition input
reset
output
C3
10
μ
F
V
C2
10
μ
F
C1
220 nF
C4
10
μ
F
C5
1
μ
F
ignition
output
47 k
R2
1 k
5 V
8.5 V
RL(sw)
1 k
RL(REG1)
1 k
RL(REG2)
sw
9
7
2
3
5
8
4
1
6
TDA3603
ground
P
V
R1
1 k
P
Ven
VI(ig)
(1)
Noise information
The noise at the output of the regulators depends on the
bandwidth of the regulators, which can be adjusted by the
output capacitors. Table 1 shows the noise figures.
Although stability is guaranteed when C
L
is higher than
10
μ
F (over temperature range) with tan (
φ
) = 1 in the
frequency range 1 to 10 kHz, however, for low noise, a
47
μ
F load capacitor is required. When electrolytic
capacitors are used, the capacitor value will decrease and
the ESR will increase much at low temperatures. To avoid
oscillation a normal capacitor of 220 nF can be placed in
parallel with this electrolytic capacitor.
The noise on the supply line depends on the value of the
supply capacitor and is caused by a current noise (output
noise of the regulators is translated into a current noise by
the output capacitors). When a high frequency capacitor of
220 nF with an electrolytic capacitor of 100
μ
F in parallel is
placed directly over pins 1 and 6 (supply and ground) the
noise is minimized.
Table 1
Noise figures
Note
1.
Bandwidth of 100 kHz.
REGULATOR
NOISE (
μ
V)
(1)
OUTPUT
CAPACITOR (
μ
F)
10
47
100
10
47
100
1
180
100
80
120
70
70
2
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| TDA3603P | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Multiple voltage regulator with switch |
| TDA3604 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Positive Fixed Voltage Regulator |
| TDA3604Q | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Multiple voltage regulators with external reset delay and switch |
| TDA3604TH | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Multiple voltage regulators with external reset delay and switch |
| TDA3605Q | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Multiple voltage regulator with switch |
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