RICOH R5520H

USB HIGH-SIDE POWER SWITCH
NO. EA-091-0204
DESCRIPTION
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FEATURES
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APPLICATIONS
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1
R5520H
BLOCK DIAGRAM
IN
OUT
GATE
CONTROL
EN
CURRENT
LIMIT
FLAG
DELAY
UVLO
THERMAL
SHUTDOWN
GND
SELECTION GUIDE
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Code
Description
9
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FLG
R5520H
PIN CONFIGURATION
SOT-89-5
5
4
(mark side)
1
2
3
ABSOLUTE MAXIMUM RATINGS
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Symbol
Item
Ratings
Unit
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PIN DESCRIPTION
Pin No.
Symbol
description
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R5520H
ELECTRICAL CHARACTERISTICS
• R5520H001A/B
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Symbol
Item
Conditions
Typ.
Unit
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Max.
4,1
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(Note2) EN=H (R5520H001A), EN=L (R5520H001B)
4
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(Note1) EN=L (R5520H001A), EN=H (R5520H001B)
4
Min.
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4
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R5520H
OPERATION
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5
R5520H
TEST CIRCUITS
(1) Supply Current Test Circuit
(2) Switch On Resistance Test Circuit
IOUT
VEN
1
EN
2
GND
3
FLG
OUT
5
VEN
IN
4
A
1
EN
OUT
2
GND
3
FLG
5
V VON
IN
4
VIN
VIN
0.1µF
0.1µF
(3) Output On Time Test Circuit
(4) Over-current Limit Test Circuit
IOUT
VOUT
1
OUT
EN
5
1
EN
2
GND
3
FLG
OUT
5
IN
4
A
10Ω
VEN
2
GND
3
FLG
VEN
IN
4
VIN
VIN
0.1µF
0.1µF
(5) Over-current Threshold Test Circuit
(6) Enable Input Voltage
IOUT
1
OUT
EN
100kΩ
5
1
OUT
EN
5
V
VEN
2
GND
3
FLG
VEN
IN
4
2
GND
3
FLG
VOUT
IN
VIN
VIN
0.1µF
6
4
0.1µF
R5520H
(7) Flag Output Delay Time
1
(8) UVLO Threshold
OUT
EN
5
100kΩ
1
VEN
2
5
GND
V
VEN
3
OUT
EN
FLG
IN
GND
3
FLG
VOUT
4
IN
4
VIN
0.1µF
VFLG
2
VIN
10kΩ
0.1µF
TYPICAL APLICATION AND TECHNICAL NOTES
• R5520H001A/R5520H001B
VIN
+4V to +5.5V
10k to 100k
VEN
EN
OUT
VOUT
GND
VFLG
IN
FLG
R5520H
0.1µF
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7
R5520H
TIMING CHART
• R5520H001A
VEN
50%
50%
tOFF
tON
90%
VOUT
10%
Output On Time/Output Off Time
10%
FLG Output Delay Time
tFD
VEN
50%
VFLG
• R5520H001B
VEN
50%
50%
tOFF
tON
90%
VOUT
VEN
10%
Output On Time/Output Off Time
10%
FLG Output Delay Time
50%
tFD
VFLG
8
R5520H
TYPICAL CHARACTERISTICS
1)
Supply Current vs. Temperature
2)
Supply Current vs. Input Voltage
25
Supply Current IDD1(µA)
Supply Current IDD1(µA)
25
VIN=5.5V
20
VIN=4V
15
10
5
0
-40
-20
0
20
40
60
80
25°C
15
-40°C
10
5
0
2.5
100
85°C
20
3
Temperature Topt(°C)
On Resistance vs. Temperature
4)
On Resistance RON(mΩ)
140
VIN=4V
100
VIN=5V
80
60
40
-40
-20
0
20
40
60
5.5
6
80
IOUT=500mA
160
140
25°C
100
80
-40°C
60
40
2.5
100
85°C
120
3
Temperature Topt(°C)
3.5
4
4.5
5
5.5
6
5.5
6
Input Voltage VIN(V)
Output On Time vs. Temperature
6)
Output On Time vs. Input Voltage
3.5
3.5
Output On Time tON(ms)
-40°C
Output On Time tON(ms)
5)
5
180
160
120
4.5
On Resistance vs. Input Voltage
IOUT=500mA
180
4
Input Voltage VIN(V)
On Resistance RON(mΩ)
3)
3.5
3.0
VIN=5.5V
2.5
VIN=4V
2.0
1.5
1.0
-40
-20
0
20
40
60
Temperature Topt(°C)
80
100
3.0
25°C
2.5
85°C
2.0
1.5
1.0
2.5
3
3.5
4
4.5
5
Input Voltage VIN(V)
9
R5520H
7)
Over-current limit vs. Temperature
8)
Over-current limit vs. Input Voltage
900
Over-Current Limit ILIM(mA)
Over-Current Limit ILIM(mA)
900
850
800
VIN=5.5V
750
700
VIN=4V
650
600
550
500
-40
-20
0
20
40
60
80
800
25°C
750
700
85°C
650
600
550
500
2.5
100
-40°C
850
3
Temperature Topt(°C)
9)
3.5
4
4.5
5
5.5
6
Input Voltage VIN(V)
Over-current Detector Threshold vs. Temperature
10) Over-current Detector Threshold vs. Input
VIN=5.5V
1400
1200
VIN=4V
1000
800
600
400
200
0
-40
-20
0
20
40
60
80
100
Temperature Topt(°C)
Enable Input Voltage VEN1/VEN2(V)
11) Enable Input Voltage vs. Temperature
2.2
2.0
VEN1
1.8
VEN2
1.6
1.4
1.2
1.0
-40
-20
0
20
40
60
Temperature Topt(°C)
10
1600
-40°C
1400
25°C
1200
85°C
1000
800
600
2.5
3
3.5
4
4.5
5
5.5
6
Input Voltage VIN(V)
12) Enable Input Voltage vs. Input Voltage
VIN=5V
2.4
Over-current Detector Threshold ITH(mA)
1600
1800
80
100
Enable Input Voltage VEN1/VEN2(V)
Over-current Detector Threshold ITH(mA)
Voltage
1800
Topt=25°C
2.4
2.2
2.0
VEN1
1.8
VEN2
1.6
1.4
1.2
1.0
2.5
3
3.5
4
4.5
5
Input Voltage VIN(V)
5.5
6
R5520H
14) Flag Output Delay Time vs. Input Voltage
20
Flag Output Delay Time tFD(ms)
Flag Output Delay Time tFD(ms)
13) Flag Output Delay Time vs. Temperature
18
16
14
VIN=4V
12
10
VIN=5.5V
8
6
4
-40
-20
0
20
40
60
80
100
20
18
16
-40°C
14
25°C
12
10
85°C
8
6
4
2.5
3
3.5
4
4.5
5
5.5
6
Input Voltag VIN(V)
Temperature Topt(°C)
UVLO Detector Threshol VUVLO(V)
15) UVLO Threshold vs. Temperature
2.7
2.6
2.5
VIN increasing
2.4
2.3
2.2
VIN decreasing
2.1
2.0
1.9
-40
-20
0
20
40
60
80
100
Temperature Topt(°C)
16) UVLO at VIN increasing
VEN=0V, CL=57µF, RL=35Ω
VIN
(1V/div)
VFLG
(1V/div)
VOUT
(2V/div)
IOUT
(100mA/div)
Time(5ms/div)
11
R5520H
17) Turn-on response
VIN=5V, CL=147µF, RL=35Ω
VEN
(10V/div)
VFLG
(5V/div)
VOUT
(5V/div)
704mA
IOUT
(200mA/div)
Time(1ms/div)
18) Turn off Response
VIN=5V, CL=147µF, RL=35Ω
VEN
(10V/div)
VFLG
(5V/div)
VOUT
(5V/div)
IOUT
(200mA/div)
Time(2ms/div)
19) Inrush current
VIN=5V, RL=35Ω
VEN
(10V/div)
VFLG
(5V/div)
CL=310µF
CL=210µF
CL=110µF
CL=10µF
IOUT
(200mA/div)
Time(1ms/div)
12
R5520H
20) Current Limit Transient Response
(Case: Enable to Short)
VIN=5V
VEN
(10V/div)
11.6ms(tFD)
VFLG
(5V/div)
IOUT
(500mA/div)
Time(2ms/div)
21) Thermal Shutdown
VIN=5V, CL=47µF
VFLG
(5V/div)
VOUT
(5V/div)
IOUT
(500mA/div)
Time(100ms/div)
22) Current Limit Transient Response
(Case: Output short during enable)
VIN=5V, CL=47µF
VFLG
(5V/div)
VOUT
(5V/div)
IOUT
(5A/div)
Time(2ms/div)
13
R5520H
23) Zoomed in 22)
VIN=5V, CL=47µF
VOUT
(5V/div)
IOUT
(5A/div)
Time(10µs/div)
14