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參數(shù)資料
| 型號(hào)： | 935262697118 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 固定正電壓?jiǎn)温份敵鯨DO穩(wěn)壓器 |
| 英文描述： | 5 V FIXED POSITIVE LDO REGULATOR, 0.3 V DROPOUT, PDSO8 |
| 封裝： | PLASTIC, SOT-96, SO-8 |
| 文件頁數(shù)： | 18/23頁 |
| 文件大?。?/td> | 137K |
| 代理商： | 935262697118 |
2000 Feb 18
4
Philips Semiconductors
Preliminary specication
Very low dropout voltage/quiescent current
5 V voltage regulator
TDA3664
PINNING
SYMBOL
PIN
DESCRIPTION
SO4
SO8
TSSOP8
VP
1
8
supply voltage
GND
2 and 4
3
ground
REG
3
1
regulator output
n.c.
2, 4, 5, 6 and 7
not connected
handbook, halfpage
13
2
4
GND
MGL810
GND
VP
REG
Fig.2 Pin configuration of SO4.
handbook, halfpage
TDA3664
MDA959
1
REG
VP
n.c.
GND
n.c.
2
3
4
8
7
6
5
Fig.3 Pin configuration of SO8 and TSSOP8.
FUNCTIONAL DESCRIPTION
The TDA3664 is a fixed 5 V regulator which can deliver
output currents up to 100 mA. The regulator is available in
SO8, TSSOP8 and SO4 packages. The regulator is
intended for portable, mains, telephone and automotive
applications. To increase the lifetime of batteries, a
specially built-in clamp circuit keeps the quiescent current
of this regulator very low, also in dropout and full load
conditions.
The regulator remains operational down to very low supply
voltages, below which it switches off.
A temperature protection is included, which switches the
regulator output off at IC temperatures above 150
°C.
A new output structure guarantees the stability of the
regulator with an ESR up to 38
. This is very attractive as
the ESR of an electrolytic capacitor increases strongly at
low temperatures (no expensive tantalum capacitor
required).
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