Q67007-A9291 查看數據表（PDF） - Infineon Technologies

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Q67007-A9291

5-V Low Drop Fixed Voltage Regulator

Infineon Technologies 

TLE 4278 G

Application Information

Input, Output

The input capacitors CI1 and CI2 are necessary for compensating line influences. Using

a resistor of approx. 1 Ω in series with CI1, the LC circuit of input inductance and input

capacitance can be damped. To stabilize the regulation circuit the output capacitor CQ is

necessary. Stability is guaranteed at values CQ ≥ 10 µF with an ESR ≤ 5 Ω within the

operating temperature range.

+12 V

VΙ 13

9 VQ

CΙ1

CΙ2 470 nF

1 WO

R1

CQ

22 µF

TLE 4278G 14 RO

8 WΙ

3-5,

7 RADJ

*)

6

10-12

2

D

GND

WADJ

Cooling

Area

CD 47 nF

R WADJ

R2

*) or short to GND

for internal threshold

µP

AES02116

Figure 4 Application Circuit

Data Sheet

10

Rev. 1.3, 2005-04-29

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