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NO. EA-102-0301
OUTLINE
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11
G) Oscillator Frequency, Soft-start Time
V
IN
L
X
V
OUT1
V
OUT1
GND
OSCILLOSCOPE
OSCILLOSCOPE
H)
V
OUT2
Output Voltage, Load Regulation, Dropout
I)
V
DOUT
Detector Threshold, Hysteresis Range,
Voltage, Current Limit, Short Current Limit
VD Output Delay Time for Release
V
IN
L
X
V
OUT1
I
OUT2
GND
V
OUT2
V
V
IN
L
X
V
OUT1
GND
OSCILLOSCOPE
V
DOUT
J)
V
DOUT
"L" Output Current
V
IN
V
OUT1
GND
VD
OUT
A
7\SLFDO &KDUDFWHULVWLFV ZHUH REWDLQHG ZLWK XVLQJ WKH WHVW FLUFXLWV DV IROORZV
7\SLFDO $SSOLFDWLRQ &LUFXLW 7\SLFDO &KDUDFWHULVWLFV
7HVW &LUFXLW ) 7\SLFDO &KDUDFWHULVWLFV
7HVW &LUFXLW * 7\SLFDO &KDUDFWHULVWLFV
7HVW &LUFXLW + 7\SLFDO &KDUDFWHULVWLFV
7HVW &LUFXLW , 7\SLFDO &KDUDFWHULVWLFV
R5210x
12
TYPICAL CHARACTERISTICS
1)
Output Voltage vs. Output Current
2)
Efficiency vs. Output Current
R5210N001C
R5210N001C
2.8
2.75
2.7
2.65
2.6
Output Voltage V
OUT1
(V)
0
200
100
400
300
500
Output Current I
OUT1
(mA)
L1=22
H, C1=10
F
V
OUT1
=2.7V, I
OUT2
=0mA
V
IN
=4.5V
V
IN
=5.0V
V
IN
=5.5V
100
90
80
50
30
40
60
70
20
0
10
Efficiency
(%)
0
200
100
400
300
500
Output Current I
OUT1
(mA)
L1=22
H, C1=10
F
V
OUT1
=2.7V, I
OUT2
=0mA
V
IN
=4.5V
V
IN
=5.0V
V
IN
=5.5V
3)
DC/DC Output Voltage vs. Temperature
4)
VR Output Voltage vs. Temperature
R5210N001C
R5210N001C
2.80
2.75
2.70
2.65
2.60
Output Voltage V
OUT1
(V)
-50
0
-25
50
25
100
75
Temperature Topt(C)
3.50
3.45
3.40
3.35
3.30
Output Voltage V
OUT2
(V)
-50
0
-25
50
25
100
75
Temperature Topt(C)
5)
Detector Threshold vs. Temperature
6)
Oscillator Frequency vs. Temperature
R5210N001C
R5210N001C
4.4
4.3
4.2
4.1
4.0
Detector Threshold-V
DET
(V)
-50
0
-25
50
25
100
75
Temperature Topt(C)
1000
900
800
700
600
Frequency fosc(kHz)
-50
0
-25
50
25
100
75
Temperature Topt(C)
R5210x
13
7)
Soft-start time vs. Temperature
8)
Output Delay Time for Release VD vs. Temperature
R5210N001C
R5210N001C
4.0
3.0
2.0
1.0
0.0
Soft-start Time TSS(msec)
-50
0
-25
50
25
100
75
Temperature Topt(C)
20
12
16
8
4
0
Output Delay Time for Release VD
tPLH(msec)
-50
0
-25
50
25
100
75
Temperature Topt(C)
9)
VR Output Voltage vs. Output Current
10) VR Output Voltage vs. Output Current (zoomed)
R5210N001C
R5210N001C
4
2.5
2
1
3.5
3
1.5
0.5
0
Output Voltage V
OUT2
(V)
0
100
50
200
150
300
250
Output Current I
OUT2
(mA)
3.43
3.41
3.4
3.38
3.42
3.39
3.37
3.36
Output Voltage V
OUT2
(V)
0
100
50
200
150
Output Current I
OUT2
(mA)
11) Load Transient Response 1
12) Load Transient Response 2
L1=22
H, C1=10
F
V
OUT1
=2.7V
1
2
Ch2
Ch1
100mV
500mV
Ch1
M 50.0
s
200mV
I
OUT1
=10mA
I
OUT1
=200mA
L1=22
H, C1=10
F
V
OUT1
=2.7V
1
2
Ch2
Ch1
100mV
500mV
Ch1
M 200
s
200mV
I
OUT1
=200mA
I
OUT1
=10mA
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