TLE4253 데이터 시트보기 (PDF) - Infineon Technologies
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TLE4253 Datasheet PDF : 22 Pages
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TLE4253
Electrical Characteristics
Typical Performance Characteristics Tracking Regulator
VADJ/EN = 5 V; VFB = VQ (unless otherwise noted)
Output Capacitor Series Resistor ESRCQ vs.
Output Current IQ
10
E S R-IQ_10u.vsd
ESR CQ
[Ω]
Output Capacitor Series Resistor ESRCQ vs.
Output Current IQ
10
E S R-IQ_6u8.vsd
ESR CQ
[Ω]
1
Stable
Region
1
Stable
Region
0.1
CQ = 10 µF
6 V < VI < 28 V
-40 °C < Tj < 150 °C
0.01
0
50
100 150 200
IQ [mA]
Power Supply
Ripple Rejection PSRR
90
P S RR.vsd
PSRR
[dB]
I = 1 mA
Q
70
0.1
CQ = 6.8 µF
6 V < VI < 28 V
-40 °C < Tj < 150 °C
0.01
0
50
100
Line Regulation dVQ,line vs.
Input Voltage Change dVI
2
∆VQ [mV]
VI,initial = 6 V
VADJ = 5 V
150 200
IQ [mA]
dV Q-dV I.vsd
IQ = 10 mA
0
60
50
IQ = 100 mA
VRIPPLE = 1 V
40 VIN = 13.5 V
CQ = 10 µF Ceramic
T = 25 °C
j
0.01
0.1
1
10
100
f [kHz]
-1
-2
IQ = 100 mA
-3
steady-state condition
0
0 5 10 15 20 25 30 35
∆VI [V]
Data Sheet
10
Rev. 1.2, 2009-11-09
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