R5101G004A-F [RICOH]
Power Management Circuit;
| 型号： | R5101G004A-F |
| 厂家： | 
RICOH ELECTRONICS DEVICES DIVISION |
| 描述： | Power Management Circuit |
| 文件： | 总18页 (文件大小：322K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Microprocessor power management with
Watchdog Timer
NO. EA-071-0204
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OUTLINE
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APPLICATION
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1
R5101G
PIN CONFIGURATION
SSOP8G (0.65mm pitch)
SSOP8G
1
2
3
4
SCK
RESET
CE
8
7
6
5
C
C
D
TW
GND
V
DD
V
OUT
BLOCK DIAGRAMS
RESET
8
1
SCK
WDT
Level Shift
C
TW
3
7
CE
4
5
V
V
DD
OUT
Vref2
C
D
2
Vref1
6
GND
2
R5101G
PIN DESCRIPTION
Pin No.
Symbol
Description
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ꢋ
ABSOLUTE MAXIMUM RATINGS
7RSW ꢇꢁ°&ꢆꢀ966 ꢃ9
Symbol
9''
Item
Rating
Unit
9
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ELECTRICAL CHARACTERISTICS
• R5101G001A
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Symbol
9''
Item
Conditions
Min.
Typ.
Max.
ꢂꢃ
Unit
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Conditions
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Item
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ꢎ
ꢂꢃ
10
R5101G
Symbol
,&'
Item
Conditions
9'' ꢂꢅꢍ ꢆꢀ9'6 ꢃꢅꢁ9
9'' ꢂꢅꢍ ꢆꢀ9'6 ꢃꢅꢁ9
9'' ꢂꢅꢍ ꢆꢀ9'6 ꢃꢅꢁ9
Min.
Typ.
Max.
Unit
P$
P$
P$
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ꢄꢂ
ꢂ
$
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9
UHQW
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9'' ꢎꢅꢋ ꢆꢀ6&. *1'
ꢁꢃꢃ
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ꢃꢅꢐ
ꢂꢅꢍ
TYPICAL APPLICATION
R5101GxxxSeries
µ con.
SCK
RESET
D
OUT
CD
(0.001µF)
CE
C
C
D
RESET
TW
GND
510kΩ
1µF
VDD
V
DD
V
OUT
C
W
(0.01µF)
1µF
TECHNICAL NOTES
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11
R5101G
OPERATION DIAGRAM
VDD
Vstart
+V
-VDDEETT
Detector Threshold Hysteresis
VOUT
t
PR
Vref2H
VCD
tWD
tWR
Vref2H
VCTW
Vref2L
t
SCKW
VSCK
VCE
VRESET
1
2
3
4
5
5
6
7
6
7
5
8
2
3
5
9
9
8
12
R5101G
OPERATION
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13
R5101G
TEST CIRCUITS
Test Circuit of Supply Current
Test Circuit of Output Voltage
RESET
CE
SCK
RESET
CE
SCK
C
D
C
D
GND
CTW
GND
CTW
VDD
V
OUT
VDD
V
OUT
A
V
I
OUT
Test Circuit of Detector Threshold(VDET)
Test Circuit of Reset and Watchdog Timeout
Periods
470k
470k
RESET
CE
SCK
RESET
CE
SCK
CD
oscilloscope
CD
V
GND
C
TW
GND
VOUT
CTW
VDD
VOUT
VDD
Test Circuit of SCK Input Current
Test Circuit of Output Current
RESET
SCK
RESET
SCK
CE
CD
CE
CD
A
GND
CTW
GND
CTW
VOUT
VDD
VOUT
VDD
A
Test Circuit of RESET Output leakage Current
Test Circuit of Minimum Input Voltage for RESET
Output
470K
RESET
CE
SCK
SCK
CD
RESET
CE
C
D
V
GND
C
TW
GND
VOUT
CTW
VDD
V
OUT
VDD
A
14
R5101G
TYPICAL CHARACTERISTICS
1) Output Voltage vs. Output Current
V
DD=7V
VDD=5V
6.0
5.0
4.0
3.0
2.0
3.5
3.0
2.5
85°C
-40°C
2.0
1.5
1.0
-40°C
85°C
0°C
25°C
1.0
0.0
0.5
0.0
0
50
100
150
200
0
100
200
300
400
Output Current IOUT (mA)
Output Current IOUT (mA)
2) Output Voltage vs. Input Voltage
Topt =25°C
Topt =25°C
3.2
5.2
5.1
5.0
3.1
0mA
0mA
3.0
30mA
10mA
30mA
2.9
4.9
4.8
10mA
2.8
2
3
4
5
6
7
8
9
10
4
5
6
7
8
9
10
Input Voltage VDD (V)
Input Voltage VDD (V)
3) Dropout Voltage vs. Output Current
V
DD=7.0V
1.0
1.0
0.8
0.8
0.6
0.4
85°C
0.6
85°C
0.4
0.2
0.2
0.0
-40°C
25°C
-40°C
25°C
0.0
0
10
20
30
40
10
20
30
40
50
Output Current IOUT (mA)
Output Current IOUT (mA)
15
R5101G
4) Output Voltage vs. Temperature
V
DD=5V
VDD=7.0V, IOUT=10mA
3.10
5.10
5.05
5.00
3.05
3.00
2.95
2.90
4.95
4.90
-50
-25
0
25
50
75
100
-50
-25
0
25
50
75
100
100
3
Temperature Topt (°C)
Temperature Topt (°C)
5) RESET Pin Voltage vs. Input Voltage
6) Detector Threshold vs. Temperature
2.90
2.85
+Vdet
2.80
2.75
2.70
-Vdet
2.65
2.60
-50
-25
0
25
50
75
Temperature Topt (°C)
7) CD Pin Output Current vs. Input Voltage
8) CTW Pin Output Current vs. Input Voltage
VDS=0.5V
12
10
8
-40°C
6
25°C
4
2
0
85°C
0
0.5
1
1.5
2
2.5
Input Voltage VDD (V)
16
R5101G
9) RESET Pin Output Current vs. Input Voltage
10) Delay Time of Released Voltage vs. Temperature
11) Watchdog Timeout period vs. Temperature
12) Reset Timeout period vs. Temperature
16
14
12
10
8
6
4
2
0
-50
-25
0
25
50
75
100
Temperature Topt (°C)
13) tpr vs. External Capacitance of Cd Pin
14) twd, twr vs. External Capacitance of Ctw Pin
17
R5101G
15) CE Pull-up Resistance vs. Temperature
10
9
8
7
6
5
4
3
2
1
0
-50
-25
0
25
50
75
100
Temperature Topt (°C)
16) Supply Current vs. Input Voltage (WDT ON)
17) Supply Current vs. Temperature (WDT ON)
VDD=5V
15
12
9
6
3
0
-50
-25
0
25
50
75
100
Temperature Topt (°C)
18) Supply Current vs. Input Voltage (WDT OFF)
19) Supply Current vs. Temperature (WDT OFF)
V
DD=5V
18
15
12
9
6
3
0
-50
-25
0
25
50
75
100
Temperature Topt (°C)
18
相关型号：
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Power Supply Management Circuit, Adjustable, 1 Channel, CMOS, PDSO8, HALOGEN FREE AND ROHS COMPLIANT, SSOP-8
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R5104V002A-E2-F
Power Supply Management Circuit, Fixed, 1 Channel, CMOS, PDSO10, 3.10 X 6.40 MM, 0.50 MM PITCH, LEAD FREE, SSOP-10
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