USB HIGH-SIDE POWER SWITCH
5+ 6(5,(6
1
NO. EA-091-0204
DESCRIPTION
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APPLICATIONS
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R5520H
2
BLOCK DIAGRAM
IN
EN
OUT
FLG
GATE
CONTROL
CURRENT
LIMIT
FLAG
DELAY
UVLO
THERMAL
SHUTDOWN
GND
SELECTION GUIDE
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Code
Description
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R5520H
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PIN CONFIGURATION
SOT-89-5
5
4
1
2
(mark side)
3
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Item
Ratings
Unit
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R5520H
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ELECTRICAL CHARACTERISTICS
R5520H001A/B
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R5520H
5
OPERATION
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R5520H
6
TEST CIRCUITS
(1) Supply Current Test Circuit
(2) Switch On Resistance Test Circuit
1
5
2
GND
OUT
EN
FLG
4
IN
V
IN
A
V
EN
3
0.1
F
1
5
2
GND
OUT
EN
FLG
4
IN
V
IN
V
EN
3
0.1
F
I
OUT
V
V
ON
(3) Output On Time Test Circuit
(4) Over-current Limit Test Circuit
1
5
2
GND
OUT
EN
FLG
4
IN
V
IN
V
EN
3
0.1
F
V
OUT
10
1
5
2
GND
OUT
EN
FLG
4
IN
V
IN
A
V
EN
3
0.1
F
I
OUT
(5) Over-current Threshold Test Circuit
(6) Enable Input Voltage
1
5
2
GND
OUT
EN
FLG
4
IN
V
IN
V
EN
3
0.1
F
I
OUT
1
5
2
GND
OUT
EN
FLG
4
IN
V
IN
V
EN
3
0.1
F
100k
V
V
OUT
R5520H
7
(7) Flag Output Delay Time
(8) UVLO Threshold
1
5
2
GND
OUT
EN
FLG
4
IN
V
IN
V
EN
3
0.1
F
10k
V
FLG
1
5
2
GND
OUT
EN
FLG
4
IN
V
IN
V
EN
3
0.1
F
100k
V
V
OUT
TYPICAL APLICATION AND TECHNICAL NOTES
R5520H001A/R5520H001B
GND
OUT
EN
FLG
IN
0.1
F
V
OUT
V
EN
V
FLG
10k to 100k
V
IN
+4V to +5.5V
R5520H
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R5520H
8
TIMING CHART
R5520H001A
50
%
90
%
50
%
10
%
t
OFF
t
ON
V
EN
V
OUT
Output On Time/Output Off Time
50
%
10
%
t
FD
V
EN
V
FLG
FLG Output Delay Time
R5520H001B
50
%
90
%
50
%
10
%
t
OFF
t
ON
V
EN
V
OUT
Output On Time/Output Off Time
50
%
10
%
t
FD
V
EN
V
FLG
FLG Output Delay Time
R5520H
9
TYPICAL CHARACTERISTICS
1)
Supply Current vs. Temperature
2)
Supply Current vs. Input Voltage
25
20
5
0
Temperature
Topt(
C)
Supply Current I
DD1
(
A)
-40
0
40
100
-20
20
60
80
15
10
V
IN
=4V
V
IN
=5.5V
25
20
5
0
Input Voltage
V
IN
(V)
Supply Current I
DD1
(
A)
2.5
3.5
4.5
6
3
4
5
5.5
15
10
85
C
-40
C
25
C
3)
On Resistance vs. Temperature
4)
On Resistance vs. Input Voltage
180
140
60
40
Temperature
Topt(
C)
On Resistance R
ON
(m
)
-40
0
40
100
-20
20
60
80
160
120
100
80
I
OUT
=500mA
V
IN
=4V
V
IN
=5V
Input Voltage
V
IN
(V)
On Resistance R
ON
(m
)
180
140
60
40
2.5
3.5
4.5
6
3
4
5
5.5
160
120
100
80
I
OUT
=500mA
85
C
-40
C
25
C
5)
Output On Time vs. Temperature
6)
Output On Time vs. Input Voltage
3.5
3.0
1.5
1.0
Temperature
Topt(
C)
Output On Time t
ON
(ms)
-40
0
40
100
-20
20
60
80
2.5
2.0
V
IN
=4V
V
IN
=5.5V
3.5
3.0
1.5
1.0
Input Voltage
V
IN
(V)
Output On Time t
ON
(ms)
2.5
3.5
4.5
6
3
4
5
5.5
2.5
2.0
85
C
-40
C
25
C
R5520H
10
7)
Over-current limit vs. Temperature
8)
Over-current limit vs. Input Voltage
900
850
550
500
Temperature
Topt(
C)
Over-Current Limit I
LIM
(mA)
-40
0
40
100
-20
20
60
80
750
800
650
700
600
V
IN
=4V
V
IN
=5.5V
900
850
800
750
700
650
600
550
500
Input Voltage
V
IN
(V)
Over-Current Limit I
LIM
(mA)
2.5
3.5
4.5
6
3
4
5
5.5
85
C
-40
C
25
C
9)
Over-current Detector Threshold vs. Temperature
10) Over-current Detector Threshold vs. Input
Voltage
1800
1400
200
0
-40
0
40
100
-20
20
60
80
1600
1200
1000
800
600
400
Temperature
Topt(
C)
Over-current Detector Threshold I
TH
(mA)
V
IN
=4V
V
IN
=5.5V
Input Voltage V
IN
(V)
Over-current Detector Threshold I
TH
(mA)
1800
1600
800
600
2.5
3.5
4.5
6
3
4
5
5.5
1400
1200
1000
85
C
-40
C
25
C
11) Enable Input Voltage vs. Temperature
12) Enable Input Voltage vs. Input Voltage
2.4
2.0
1.2
1.0
Temperature Topt(
C)
Enable Input Voltage V
EN1
/V
EN2
(V)
-40
0
40
100
-20
20
60
80
2.2
1.8
1.6
1.4
V
IN
=5V
V
EN
1
V
EN
2
Input Voltage
V
IN
(V)
Enable Input Voltage V
EN1
/V
EN2
(V)
2.4
2.0
1.2
1.0
2.5
3.5
4.5
6
3
4
5
5.5
2.2
1.8
1.6
1.4
Topt=25
C
V
EN
1
V
EN
2
R5520H
11
13) Flag Output Delay Time vs. Temperature
14) Flag Output Delay Time vs. Input Voltage
20
18
6
4
Temperature
Topt(
C)
Flag Output Delay Time t
FD
(ms)
-40
0
40
100
-20
20
60
80
14
16
10
12
8
V
IN
=4V
V
IN
=5.5V
20
18
16
14
12
10
8
6
4
Input Voltag V
IN
(V)
Flag Output Delay Time t
FD
(ms)
2.5
3.5
4.5
6
3
4
5
5.5
85
C
-40
C
25
C
15) UVLO Threshold vs. Temperature
2.7
2.6
2.0
1.9
Temperature
Topt(
C)
UVLO Detector Threshol V
UVLO
(V)
-40
0
40
100
-20
20
60
80
2.4
2.5
2.2
2.3
2.1
V
IN
decreasing
V
IN
increasing
16) UVLO at V
IN
increasing
Time(5ms/div)
V
EN
=0V, C
L
=57
F, R
L
=35
V
IN
(1V/div)
V
FLG
(1V/div)
V
OUT
(2V/div)
I
OUT
(100mA/div)
R5520H
12
17) Turn-on response
704mA
Time(1ms/div)
V
IN
=5V, C
L
=147
F, R
L
=35
V
EN
(10V/div)
V
FLG
(5V/div)
V
OUT
(5V/div)
I
OUT
(200mA/div)
18) Turn off Response
Time(2ms/div)
V
IN
=5V, C
L
=147
F, R
L
=35
V
EN
(10V/div)
V
FLG
(5V/div)
V
OUT
(5V/div)
I
OUT
(200mA/div)
19) Inrush current
C
L
=310
F
C
L
=210
F
C
L
=110
F
C
L
=10
F
Time(1ms/div)
V
IN
=5V, R
L
=35
V
EN
(10V/div)
V
FLG
(5V/div)
I
OUT
(200mA/div)
R5520H
13
20) Current Limit Transient Response
(Case: Enable to Short)
11.6ms(t
FD
)
Time(2ms/div)
V
IN
=5V
V
EN
(10V/div)
V
FLG
(5V/div)
I
OUT
(500mA/div)
21) Thermal Shutdown
Time(100ms/div)
V
IN
=5V, C
L
=47
F
V
FLG
(5V/div)
V
OUT
(5V/div)
I
OUT
(500mA/div)
22) Current Limit Transient Response
(Case: Output short during enable)
Time(2ms/div)
V
IN
=5V, C
L
=47
F
V
FLG
(5V/div)
V
OUT
(5V/div)
I
OUT
(5A/div)
R5520H
14
23) Zoomed in 22)
V
IN
=5V, C
L
=47
F
V
OUT
(5V/div)
I
OUT
(5A/div)
Time(10
s/div)
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