TCL1117 데이터 시트보기 (PDF) - TelCom Semiconductor Inc => Microchip
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TCL1117
TelCom Semiconductor Inc => Microchip
TCL1117 Datasheet PDF : 9 Pages
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800mA LOW DROPOUT POSITIVE REGULATORS
ADJUSTABLE AND FIXED 2.85V, 3.30V, 5.00V
TYPICAL CHARACTERISTICS
PRELIMINARY INFORMATION
TCL1117
TCL1117-2.85
TCL1117-3.30
TCL1117-5.00
Dropout Voltage (VIN - VOUT)
1.4
1.2
TJ = 25°C
1.0
0.8
TJ = 125°C
0.6
0.4
0.2
INDICATES GUARRANTEED TEST POINT
0.0
0 100 200 300 400 500 600 700 800
OUTPUT CURRENT (mA)
Minimum Operating Current
(Adjustable Device)
4
3
TJ = 125°C
TJ = 25°C
2
TJ = –55°C
1
0
0
5
10
15
20
INPUT/OUTPUT DIFFERENTIAL (V)
Short-Circuit Current
1.25
1.00
0.75
TJ = 125°C
TJ = 25°C
0.50
0.25
0
0
5
10
15
INPUT/OUTPUT DIFFERENTIAL (V)
Load Regulation
0.10
0.05
∆ ILOAD = 800mA
0
-0.05
-0.10
-0.15
-0.20
-50 -25
0 25 50 75 100 125
TEMPERATURE (°C)
TCL1117-05 6/5/97
TCL1117 Ripple Rejection
100
90 VRIPPLE ≤ 3Vp-p
80
VRIPPLE ≤
0.5Vp-p
70
60
50
40
30
(VIN – VOUT) ≥ 3V
20 CADJ = 200µF AT f < 60Hz
10 CADJ = 25µF AT f > 60Hz
IOUT = 0.5A
0
10
100
1k
10k
FREQUENCY (Hz)
100k
TCL1117 Ripple Rejection vs. Current
100
90
80
fRIPPLE = 120kHz
70
VRIPPLE ≤ 3Vp-p
60
50
fRIPPLE = 20kHz
40
VRIPPLE ≤ 0.5Vp-p
30
20 VOUT = 5V
10
CADJ = 25µF
COUT = 25µF
0
0
0.2
0.4
0.6
0.8
OUTPUT CURENT (A)
7
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