RXXLD10
LINEAR INTEGRATED CIRCUIT
ꢀ
TYPICAL CHARACTERISTICS(Cont.)
Circuit Operating Current vs. Input Voltage
(R25LD10)
Circuit Operating Current vs. Input Voltage
(R03LD10)
30
20
10
0
30
20
V
C
= 2.7V
Ta = Room temp.
IN = 0.33μF
Co = 47μF
V
C
= 2.7V
Ta = Room temp.
IN = 0.33μF
Co = 47μF
R
L
= 2.5Ω(IoUT = 1A)
RL = 3Ω
(IoUT = 1A)
C
C
R
L
= 6Ω
(IoUT = 0.5A)
10
0
RL = 5Ω(IoUT = 0.5A)
RL
= ∞Ω(IoUT = 0A)
RL = ∞Ω(IoUT = 0A)
0
1
2
3
4
5
0
1
2
3
4
5
Input Voltage, VIN (V)
Input Voltage, VIN (V)
Circuit Operating Current vs. Input Voltage
(R33LD10)
Quescent Current vs. Junction Temperature
(RXXLD10)
30
1.4
1.2
1
33: VIN = 4.3V
IOUT = 0A
VC = 2.7V
RL = 6.6Ω(IoUT = 0.5A)
V
C
= 2.7V
Ta = Room temp.
IN = 0.33μF
Co = 47μF
R
L
= 3.3Ω(IoUT = 1A)
30: VIN = 4.0V
25: VIN = 3.5V
C
20
10
0
18: VIN = 2.8V
0.8
0.6
15: VIN = 2.5V
0.4
0.2
0
RL = ∞Ω
(IoUT = 0A)
2
0
1
3
4
5
-50 -25
0
25
50
75 100 125
(℃)
Junction Temperature, T
J
Input Voltage, VIN (V)
Dropout Voltage vs. Junction Temperature
(RXXLD10)
Ripple Rejection vs. Input Ripple Frequency
(RXXLD10)
0.25
0.2
75
70
15(VIN = 3.5V)
18(VIN = 3.8V)
VIN = 2.35V
VC = 2.7V
R33LD10:IOUT = 0.5A
R03LD10:IOUT = 0.5A
65
60
33(VIN = 5.3V)
03(VIN = 5V)
0.15
0.1
25(VIN = 4.5V)
55
50
ei (rms) = 0.5V
V
IO
CO
C
= 2.7V
= 0.3A
= 47μF
Ta = Room temp.
45
0.05
0
40
35
-50 -25
0
25
50
75 100 125
(℃)
0.1
1
10
100
Junction Temperature, T
J
Input Ripple Frequency, f (kHz)
UNISONIC TECHNOLOGIES CO., LTD
9 of 10
QW-R102-025,B
www.unisonic.com.tw
UTC [ Unisonic Technologies ]
