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LD2985 Datasheet(PDF) 14 Page - Unisonic Technologies

Part No. LD2985
Description  VERY LOW DROP AND LOW NOISE VOLTAGE REGULATOR LOW ESR CAP. COMPATIBLE
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Maker  UTC [Unisonic Technologies]
Homepage  http://www.utc-ic.com
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LD2985 Datasheet(HTML) 14 Page - Unisonic Technologies

 
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LD2985
LINEAR INTEGRATED CIRCUIT
UNISONIC TECHNOLOGIES CO., LTD
14 of 15
www.unisonic.com.tw
QW-R102-024.M
T Y PI CAL CH ARACT ERI ST I CS(Cont .) (TJ=25°C, CI=1
μF, CO=2.2μF, CBYP=100nF)
80
25
0
75
50
60
125
40
100
150
Supply Voltage Rejection vs Output Current
20
Output Current, IOUT (mA)
0
VIN=3.5 ~ 6.5V
CO=10
μF
fosc=1KHz
70
60
40
Supply Voltage Rejection vs Frequency
20
Frequency, f (KHz)
0
50
30
10
10
1
10
2
10
3
10
4
VIN=3.5 ~ 6.5V
IOUT=10mA
VOUT=2.5V
CO=1
μF
80
25
0
75
50
60
125
40
100
150
Supply Voltage Rejection vs Output Current
20
Output Current, IOUT (mA)
0
VIN=3.5 ~ 6.5V
CO=1
μF
fosc=1KHz
Line Transient
VIN
VOUT
VOUT=2.5V, IOUT=50mA, no CIN, COUT=4.7
μF, tr=tf=20ns
Ch1 500mV
20.0mV
CH2
M 10.0
μs Ch1
3.96V
Ch2
1
1
100
175
100
175
80
10
5
Line Transient
VIN
VOUT
VOUT=2.5V, IOUT=50mA, no CIN, COUT=4.7
μF, tr=tf=1μs
500mV
20.0mV
CH2
M 10.0
μs Ch1
3.96V
1
Ch1
Ch2
2
Frequency, f (KHz)
70
60
40
Supply Voltage Rejection vs Frequency
20
0
50
30
10
10
1
10
2
10
3
10
4
VIN=2.8 ~ 5.8V
IOUT=10mA
VOUT=1.8V
CO=10
μF
10
5
Tek Run:5.00MS/s
Tek Run:5.00MS/s


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