RICOH R5104V008A

R5104V SERIES
Microprocessor power management with Watchdog Timer
NO.EA-136-070201
OUTLINE
The R5104V Series are high voltage tolerance CMOS-based microprocessor power management ICs with
high accuracy output voltage and detector threshold and with ultra low supply current. Each of these ICs consists
of a voltage regulator, a voltage detector and a watchdog timer. Thus, the R5104V Series have the function of a
power management for microprocessor, a monitor of the voltage of a power source and a microprocessor
supervisor.
The built-in voltage regulator with an external driver transistor can supply Min.1A current to a system.
Therefore these ICs are very suitable for various power supply systems for microprocessors. The output voltage
is monitored by the voltage detector which is built-in these ICs.
The built-in voltage detector has an output delay function and the delay time can be set by an external
capacitor (CD).
The output voltage and the detector threshold voltage can be set individually for each IC by laser trimming.
Furthermore, when a microprocessor works incorrectly, the watchdog timer which checks over microprocessor
generates reset signals intermittently to prevent a whole system from being malfunction.
The timeout periods for watchdog and reset can also be set individually by an external capacitor (CTW).
There are two kinds of power down function: "A" version turns off the supervisor of clock input for the
watchdog timer, while the "B" version turns off all the circuits and realizes the standby mode.
FEATURES
•
•
•
•
•
•
•
•
•
•
•
Low supply current......................................... Typ. 60µA (IOUT=0mA)
Standby Current (B version)........................... Typ. 0.1µA
Output Voltage ............................................... 3.3V to 5.0V
Detector Threshold Voltage ........................... 2.8V to 4.0V
Maximum Operating Input Voltage................. Max. 36V
High Accuracy Output Voltage of Voltage Regulator and Detector Threshold ..... ±2.0%
Built-in a watchdog timer
Timeout period for watchdog and generating a reset signal can be set by an external capacitor
Watchdog timer can be stopped individually by CE Pin
Power-on Reset Delay Time can be set by an external capacitor
Small Package ............................................... SSOP-10
APPLICATION
• Power source for microprocessors
1
R5104V
BLOCK DIAGRAMS
R5104VxxxA
CE
9
WDT
RESET 5
6 SCK
Level Shift
2 ISENSE
Current Limit
CTW
7
VDD
1
4 EXT
3 VOUT
Vref
CD
＋
－
＋
＋
Vref
8
10 GND
R5104VxxxB
CE
9
WDT
RESET 5
6 SCK
Level Shift
2 ISENSE
Current Limit
CTW
7
VDD
1
4 EXT
3 VOUT
Vref
＋
CD
2
8
－
＋
＋
Vref
10 GND
R5104V
SELECTION GUIDE
The selection can be made with designating the part number as shown below:
R5104Vxxxx-xx-x←Part Number
↑ ↑ ↑ ↑ ↑
a b c d e
Code
Contents
a
Designation of Package Type;
V: SSOP-10 (3.1mm×6.4mm)
b
Serial Number for Voltage setting combination from 001
c
Alphabetical Code for Mask Versions (Power-down mode)
A: Watchdog timer off type
B: Standby mode type
d
Designation of Taping TypeE2 is described as standard.
e
Designation of composition of Pin Plating.
-F: Lead free Plating
PIN CONFIGURATION
SSOP-10
1
2
3
4
5
10
9
8
7
6
PIN DESCRIPTIONS
Pin No
Symbol
1
VDD
Pin Description
Power supply Pin Clock
2
ISENSE
Sense Pin for Current Limit of VR.
Monitoring the dropout voltage generated at an external resistor
between pin 1 and pin 2, if the dropout exceeds 0.3V (Typ.),
the current limit works.
3
VOUT
Output Pin for Voltage Regulator
4
EXT
External Transistor Drive Pin
5
RESET
6
SCK
Clock Input Pin from Microprocessor
7
CTW
External Capacitor Pin for Setting Reset and Watchdog Timeout
Periods
8
CD
External Capacitor Pin for Setting Delay Time of Voltage Detector
9
CE
Control Switch Pin for halting Watchdog timer (A version),
or Chip Enable Pin (B version)
10
GND
Output Pin for Reset signal of Watchdog timer and Voltage Detector.
(Output Type is Nch Open Drain, Output “L” at detecting Detector
Threshold and Watchdog Timer Reset.)
Ground Pin
3
R5104V
ABSOLUTE MAXIMUM RATINGS
Symbol
VDD
VPEAK
Item
VOUT
Output Voltage
VCE
Input Voltage
VSCK
IEXT
IRESET
PD
-0.3~50
V
60
V
Voltage of CD Pin
VSS −0.3 to 7.5
V
Voltage of CTW Pin
VSS −0.3 to 7.5
V
Voltage of VOUT Pin
VSS −0.3 to 7.5
V
Voltage of RESET Pin
VSS −0.3 to 7.5
V
Voltage of CE Pin
VSS −0.3~VIN+0.3
V
Voltage of ISENSE Pin
VSS −0.3~VIN+0.3
V
Voltage of SCK Pin
VSS −0.3~VIN+0.3
V
Current of EXT Pin
10
mA
Current of RESET Pin
20
mA
300
mW
Peak Input Voltage (*Note 1)
VRESET
VISENSE
Unit
Supply Voltage
VCD
VCTW
Rating
Output Current
Power Dissipation
Topt
Operating Temperature Range
-40~+125
°C
Tstg
Storage Temperature Range
-55~+140
°C
*Note 1 duration time=200ms
Do not force any voltage more than supply voltage to CD, CTW, VOUT, and RESET pins.
Operational Ratings (Electrical Characteristics)
Application circuits of semiconductors should be designed with operating within the operational ratings of
the semiconductors. Even the noise or surge, if their level is beyond the operational ratings, normal
operation of the semiconductor may not be expected. If the application circuits make the semiconductor
operate beyond the condition of operational ratings, the quality assurance level of the semiconductor
cannot be maintained.
Absolute Maximum Ratings
Absolute maximum ratings are threshold limit values that must not be exceeded even for any moment
under any conditions. More over, such values for any two or more items of the ratings must not be reached
simultaneously. Operation above these absolute maximum ratings may cause degradation or fatal damage
to the device. These mean stress ratings and do not necessarily imply functional operation below these
limits.
4
R5104V
ELECTRICAL CHARACTERISTICS
•
(Unless otherwise specified, VIN=CE=VISENSE=12V, IOUT=100mA, CCTW=0.1µF, CD=0.01µF)
R5104VxxxA(Overall)
Symbol
Topt=25°C
Item
Conditions
Min.
Typ.
Max.
Unit
36
V
VIN
Operating Voltage
ISS
Supply Current
IOUT=0mA
60
100
µA
Ioff
Supply Current (WDT inactive)
VIN=12V, CE=0V
50
90
µA
VCEH
CE Input Voltage “H”
2.0
VIN+0.3
V
VCEL
VR part
Symbol
VOUT
IOUT
VDIF
∆VOUT/∆IOUT
∆VOUT/
∆VIN
∆VOUT/
∆Topt
ISINK1
CE Input Voltage “L”
0.00
0.25
V
Max.
×1.02
ISINK2
VISENSE
RR
Item
Output Voltage
Output Current(*1)
Dropout Voltage(*1)
Load Regulation(*1)
Line Regulation(*1)
Output Voltage Temperature
Coefficient (*1)
EXT Output Sink Current Limit
EXT Output Sink Current Limit
(Output short)
Current Limit Detector
Threshold
Ripple Rejection
Conditions
VIN=12V
IOUT=300mA
VIN=12V,1mA <
= IOUT <
= 1A
IOUT=100mA
VOUT+1V <
= VIN <
= 36V
-40°C
<
=
Topt
<
=
Min.
×0.98
1.0
VIN=12V, VOUT=0V
50
15
60
Unit
V
A
mV
mV
0.05
0.10
%/V
±50
125°C
VIN=12V, VOUT=VOUT-0.2V
Typ.
ppm/°C
9
14
20
mA
0.20
0.50
0.85
mA
0.23
0.30
0.37
V
VIN=VOUT+1V,f=1kHz,
500mVp-p
55
dB
*1) Depending on the capability of an external PNP transistor. Use an hFE with approximately 100 to 300. The output
current does not always mean continuous current because of the limit of power dissipation of PNP transistor.
VD part
Symbol
-VDET
VHYS
∆-VDET/
∆Topt
VTCD
ICD
VINL
WDT part
Symbol
tWD
tWR
VIHSCK
VILSCK
TSCKW
Item
Detector Threshold
Conditions
Hysteresis Range
Detector Threshold Temperature
Coefficient
CD pin detector threshold
Internal Current value for
Delay Time Setting
Minimum Operating Voltage
Item
Watchdog Timeout period
Reset Hold Time of WDT
SCK Input Voltage “H”
SCK Input Voltage “L”
SCK Input Pulse Width
-40°C
<
=
Topt
<
=
Min.
×0.98
(-VDET)
×0.01
Typ.
(-VDET)
×0.02
±50
125°C
-VDET
-VDET
>
=
<
=
3.0V
2.9V
Unit
V
V
ppm/°C
2.35
2.50
2.65
V
0.12
0.30
0.47
µA
2.0
V
Max.
510
120
VDD+0.3
0.1
Unit
ms
ms
V
V
VOUT pin voltage
Conditions
CTW=0.1µF
CTW=0.1µF
Max.
×1.02
(-VDET)
×0.03
Min.
200
35
0.8×VOUT
0.0
500
5000
Typ.
300
70
ns
5
R5104V
•
(Unless otherwise specified, VIN=CE=VISENSE =12V, IOUT=100mA, CCTW=0.1µF, CD=0.01µF)
R5104VxxxB (Overall)
Symbol
VIN
Topt=25°C
Item
Operating Voltage
Conditions
Min.
Typ.
Max.
36
Unit
V
ISS
Supply Current
IOUT=0mA
60
100
µA
Ioff
Supply Current (Standby)
VIN=12V, CE=0V
0.1
0.5
µA
V
V
VCEH
VCEL
VR part
Symbol
VOUT
IOUT
VDIF
∆VOUT/∆IOUT
∆VOUT/
∆VIN
∆VOUT/
∆Topt
ISINK1
ISINK2
VISENSE
CE Input Voltage “H”
CE Input Voltage “L”
Item
Output Voltage
Output Current(*Note 1)
Dropout Voltage(*Note 1)
Load Regulation(*Note 1)
Line Regulation(*Note 1)
Output Voltage Temperature
Coefficient (*Note 1)
EXT Output Sink Current Limit
EXT Output Sink Current Limit
(Output short)
Current Limit Detector Threshold
2.0
0.0
Conditions
VIN=12V
IOUT=300mA
VIN=12V ,1mA <
= IOUT <
= 1A
IOUT=100mA
VOUT+1V <
= VIN <
= 36V
-40°C
<
=
Topt
<
=
Min.
VIN=12V, VOUT=0V
Typ.
50
15
60
Unit
V
A
mV
mV
0.05
0.10
%/V
×0.98
1.0
Max.
×1.02
±50
125°C
VIN=12V, VOUT=VOUT-0.2V
VIN+0.3
0.25
ppm/°C
9
14
20
mA
0.20
0.50
0.85
mA
0.23
0.30
0.37
V
VIN=VOUT+1V,f=1kHz,
55
dB
RR
Ripple Rejection
500mVp-p
*1) Depending on the capability of an external PNP transistor. Use an hFE with approximately 100 to 300. The
output current does not always mean continuous current because of the limit of power dissipation of PNP
transistor.
VD part
Symbol
Item
Conditions
Min.
Typ.
Max.
Unit
-VDET
Detector Threshold
V
×0.98
×1.02
(-VDET) (-VDET) (-VDET)
VHYS
Hysteresis Range
V
×0.01 ×0.02 ×0.03
∆-VDET/
Detector Threshold Temperature
-40°C <
ppm/°C
±50
= Topt <
= 125°C
Coefficient
∆Topt
VTCD
CD pin detector threshold
2.35
2.50
2.65
V
Internal Current value for
0.12
0.30
0.47
ICD
µA
Delay Time Setting
VINL
Minimum Operating Voltage
VOUT pin Voltage
2.0
V
WDT part
Symbol
Item
Conditions
Min.
Typ.
Max.
Unit
tWD
Watchdog Timeout period
200
300
510
ms
CTW=0.1µF
tWR
Reset Hold Time of WDT
35
70
130
ms
CTW=0.1µF
VIHSCK
SCK Input Voltage “H”
V
VDD+0.3
0.8×VOUT
VILSCK
SCK Input Voltage “L”
0.0
0.1
V
-VDET >
3.0V
500
=
TSCKW
SCK Input Pulse Width
ns
-VDET <
5000
= 2.9V
6
R5104V
•
(Unless otherwise specified, VIN=CE=VISENSE =12V, IOUT=100mA, CCTW=0.1µF, CD=0.01µF)
R5104V007A (Overall)
Symbol
VIN
Topt=25°C
Item
Operating Voltage
Conditions
Min.
Typ.
Max.
36
Unit
V
ISS
Supply Current
IOUT=0mA
45
80
µA
Ioff
Supply Current (WDT inactive)
VIN=12V, CE=0V
45
80
µA
V
V
VCEH
VCEL
VR part
Symbol
VOUT
IOUT
VDIF
∆VOUT/∆IOU
T
∆VOUT/
∆VIN
∆VOUT/
∆Topt
ISINK1
ISINK2
VISENSE
CE Input Voltage “H”
CE Input Voltage “L”
2.0
0.00
Item
Output Voltage
Output Current(*1)
Dropout Voltage(*1)
VIN=12V
IOUT=300mA
Load Regulation(*1)
VIN=12V ,1mA
<
=
IOUT
Line Regulation(*1)
IOUT=100mA
VOUT+1V <
= VIN
<
=
36V
Output Voltage Temperature
Coefficient (*1)
EXT Output Sink Current Limit
EXT Output Sink Current Limit
(Output short)
Current Limit Detector
Threshold
Conditions
-40°C
<
=
Topt
Min.
VIN+0.3
0.25
Typ.
×0.98
1.0
Max.
×1.02
50
<
=
<
=
1A
VIN=12V, VOUT=VOUT-0.2V
VIN=12V, VOUT=0V
15
60
mV
0.05
0.10
%/V
±50
125°C
Unit
V
A
mV
ppm/°C
9
14
20
mA
0.20
0.50
0.85
mA
0.23
0.30
0.37
V
VIN=VOUT+1V,f=1kHz,
55
dB
500mVp-p
*1) Depending on the capability of an external PNP transistor. Use an hFE with approximately 100 to 300. The
output current does not always mean continuous current because of the limit of power dissipation of PNP
transistor.
VD part
Symbol
Item
Conditions
Min.
Typ.
Max.
Unit
-VDET
Detector Threshold
V
×0.98
×1.02
(-VDET) (-VDET) (-VDET)
VHYS
Hysteresis Range
V
×0.01 ×0.02 ×0.03
∆-VDET/
Detector Threshold Temperature
< Topt =
< 125°C
-40°C =
ppm/°C
±50
Coefficient
∆Topt
VTCD
CD pin detector threshold
2.35
2.50
2.65
V
Internal Current value for
0.12
0.30
0.47
ICD
µA
Delay Time Setting
VINL
Minimum Operating Voltage
VOUT pin Voltage
2.0
V
WDT part
Symbol
Item
Conditions
Min.
Typ.
Max.
Unit
tWD
Watchdog Timeout period
200
300
510
ms
CTW=0.1µF
tWR
Reset Hold Time of WDT
35
70
130
ms
CTW=0.1µF
VIHSCK
SCK Input Voltage “H”
DD
+0.3
V
V
0.8×VOUT
VILSCK
SCK Input Voltage “L”
0.0
0.1
V
>
-VDET = 3.0V
500
ns
TSCKW
SCK Input Pulse Width
2.9V
5000
-VDET <
=
RR
Ripple Rejection
7
R5104V
TIMING CHART
R5104VxxxA
VDD
CE
VOUT
+VDET
-VDET
tPLH
tPLH
CD
VTCD
tWD
VrefH
CTW
VrefL
SCK
tPLH
tPLH
tWR
RESET
8
R5104V
R5104VxxxB
VDD
CE
VOUT
+VDET
-VDET
tPHL
tPHL
CD
VTCD
tWD
VrefH
CTW
VrefL
SCK
tPHL
tPHL
tPHL
tWR
RESET
9
R5104V
OPERATION
R5104VxxxA (Watchdog Timer On/Off type)
The R5104VxxxA have the function that turns off the clock input of the watchdog timer. When the watchdog
timer is enabled (CE="H"), the output of the internal regulator and SCK input pulse are supervised, while the
watchdog timer is disabled (CE="L"), only the regulator is supervised.
R5104VxxxB (Standby Function)
Since the standby function is included in the R5104VxxxB, the consumption current of the system can be
reduced. The supply current at the standby mode is very small, typically 0.1µA.
Output Delay Time Setting of the built-in voltage detector
The released delay time from reset of the voltage detector (tPLH) can be calculated with the external capacitor
value CD and the next formula.
tPLH = VTCD x CD/ICD (S)
On the other hand, output delay time for detecting voltage (tPHL) is not specified, the time depends on the
capacitance value of CD.
TYPICAL APPLICATION
VIN
VDD
ISENSE
EXT
IOUT
COUT
10
CE
RESET
CTW
VOUT
CD
SCK
GND
CCTW
CD
CIN
R5104V
TEST CIRCUITS
Standard Test Circuit
Test Circuit of Supply Current
VIN
VIN
A
VDD
ISENSE
EXT
IOUT
VOUT
SCK
COUT
CE
VDD
RESET
CTW
ISENSE
CCTW
EXT
CD
GND
CD
CIN
COUT
Test Circuit of Standby Current
CE
RESET
CTW
VOUT
CD
SCK
GND
CCTW
Test Circuit of EXT Sink Current
VIN
VIN
A
VDD
ISENSE
EXT
COUT
VDD
CE
ISENSE
RESET
CTW
VOUT
CD
SCK
GND
A
EXT
CE
CTW
VOUT
CCTW
COUT
CIN
RESET
VOUT
CD
SCK
GND
CCTW
Test Circuit of Ripple Rejection
VIN
VDD
ISENSE
EXT
IOUT
COUT
CE
Vp
P.G.
RESET
CTW
VOUT
CD
SCK
GND
CCTW
Vp
11
R5104V
TYPICAL CHARACTERISTICS
(Unless otherwise provided, VIN=VISENSE=CE=12V, CIN=0.1µF, COUT=10µF, CTW=0.1µF, CD=10µF, Topt=25°C)
1) Output Voltage vs. Output Current
5.0V
ISENSE Resistance=0Ω
6.0
5.0
4.0
3.0
2.0
VIN=6V
VIN=9V
VIN=12V
1.0
ISENSE Resistance=0Ω
3.5
Output Voltage VOUT(V)
Output Voltage VOUT(V)
3.3V
0.0
3.0
2.5
2.0
1.5
VIN=4.3V
VIN=9V
VIN=12V
1.0
0.5
0.0
0
500
1000
1500
Output Current IOUT(mA)
2000
0
500
1000
1500
Output Current IOUT(mA)
5.0V
5.0
4.0
3.0
2.0
1.0
ISENSE Resistance=1Ω
4.0
Output Voltage VOUT(V)
Output Voltage VOUT(V)
3.3V
ISENSE Resistance=1Ω
6.0
2000
0.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
0
100
200
300
Output Current IOUT(mA)
400
0
100
200
300
Output Current IOUT(mA)
400
2) Output Voltage vs. Input Voltage
IOUT=100mA
5.5
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
IOUT=100mA
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
0
12
3.3V
Output Voltage VOUT(V)
Output Voltage VOUT(V)
5.0V
10
20
30
40
Input Voltage VIN(V)
50
0
10
20
30
40
Input Voltage VIN(V)
50
R5104V
3) Output Voltage vs. Temperature
5.0V
IOUT=100mA
5.15
5.10
Output Voltage VOUT(V)
Output Voltage VOUT(V)
3.3V
5.05
5.00
4.95
4.90
4.85
-40 -25 -10 5 20 35 50 65 80 95 110 125
Temperature Topt(°C)
IOUT=100mA
3.40
3.38
3.36
3.34
3.32
3.30
3.28
3.26
3.24
3.22
3.20
-40 -25 -10 5 20 35 50 65 80 95 110 125
Temperature Topt(°C)
4) Base Current Limit vs. Output Voltage
5.0V
VIN=12V
6.0
5.0
4.0
3.0
2.0
1.0
0.0
VIN=12V
4.0
Output Voltage VOUT(V)
Output Voltage VOUT(V)
3.3V
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
0
5
10
15
EXT Output Current ISINK(mA)
20
0
5
10
15
EXT Output Current ISINK(mA)
20
5) Ripple Rejection vs. Frequency
Ripple Rejeciton RR(dB)
90
VIN=VOUT+1V,500mVp-p
80
70
60
50
40
30
20
10
0
0.1
1
10
Frequency f(kHz)
100
13
R5104V
6) Input Transient Response
25.3
22
20.3
17
Input Voltage
12
7
6.0
5.0
Output Voltage
4.0
Output Voltage VOUT(V)
27
3.0
15.3
Input Voltage
10.3
5.3
4.3
3.3
Input Voltage VIN(V)
3.3V
Input Voltage VIN(V)
Output Voltage VOUT(V)
5.0V
Output Voltage
2.3
1.3
0
0.1
0.2
Time t (ms)
0.3
0.4
0
0.1
0.2
Time t (ms)
0.3
0.4
7) Load Transient Response
5.0V
3.3V
50
5.0
Output Voltage
4.0
3.0
100
Output Current
75
50
3.3
Output Voltage
2.3
1.3
0
0.1
0.2
Time t (ms)
0.3
0.4
0
0.1
0.2
Time t (ms)
0.3
0.4
8) Detector Threshold vs. Temperature
Detector Threshold-VDET(V)
4.15
4.10
4.05
4.00
3.95
3.90
3.85
-40 -25 -10 5 20 35 50 65 80 95 110 125
Temperature Topt(°C)
14
2.8V
VD Detector Threshold-VDET(V)
4.0V
2.90
2.85
2.80
2.75
2.70
-40 -25 -10 5 20 35 50 65 80 95 110 125
Temperature Topt(°C)
Output Current IOUT(mA)
75
Output Voltage VOUT(V)
100
Output Current
125
Output Current IOUT(mA)
Output Voltage VOUT(V)
125
R5104V
10) CD Pin Threshold vs. Temperature
0.45
0.40
0.35
0.30
0.25
0.20
0.15
0.10
-40 -25 -10 5 20 35 50 65 80 95 110 125
Temperature Topt(°C)
11) CD Pin External Capacitance vs. Delay Time
1000
100
tPLH
10
1
0.1
0.01
0.001
0.001
tPHL
0.01
External Capacitance(µF)
2.70
2.65
2.60
2.55
2.50
2.45
2.40
-40 -25 -10 5 20 35 50 65 80 95 110 125
Temperature Topt(°C)
12) WDT monitoring Time vs. Temperature
CCTW=0.1µF
400
380
360
340
320
300
280
260
240
IOUT=100mA
220
200
-40 -25 -10 5 20 35 50 65 80 95 110 125
Temperature Topt(°C)
0.1
13) WDT Reset Time vs. Temperature
WDT Reset Time tWR(ms)
2.75
WDT monitoring Time tWD(ms)
Output Delay Time for Release,
tPLH and Reset, tPHL(ms)
10000
2.80
CCTW=0.1µF
100
95
90
85
80
75
70
65
60
55
50
-40 -25 -10 5 20 35 50 65 80 95 110 125
Temperature Topt(°C)
14) External Capacitance vs.
WDT monitoring/Reset Time
10000
Monitoring Time,tWD/Reset Time,
tWR(ms)
Output Delay Time
Setting Current ICD(µA)
0.50
CD pin Threshold Voltage VTCD(V)
9) Output Voltage vs. Output Current
1000
100
10
tWD
tWR
1
0.1
0.001
0.01
0.1
External Capacitance(µF)
1
15
R5104V
15) Supply Current vs. Temperature
16) Supply Current vs. Input Voltage
5.0V
IOUT=0mA
60
40
20
0
-40 -25 -10 5 20 35 50 65 80 95 110 125
Temperature Topt(°C)
0.40
0.38
0.36
0.34
0.32
0.30
0.28
0.26
0.24
0.22
0.20
-40 -25 -10 5 20 35 50 65 80 95 110 125
Temperature Topt(°C)
19) Nch Driver Output Current vs. VGS
-VDET=3.4V,RESET=0.05V
Output Current IOUT(mA)
0.30
0.25
0.15
25°C
0.10
85°C
125°C
0.05
0.00
0.0
16
-40°C
0.20
1.0
2.0
3.0
VGS(V)
4.0
5.0
100
80
60
40
20
0
5
10
20
30
40
Temperature Topt(°C)
50
18) Nch Driver Output Current vs. VDS
-VDET=3.4V
6.0
Output Current IOUT(mA)
Current Limit Detector Threshold
VISENSE(V)
17) Current limit detector threshold vs. Temperature
IOUT=0mA
120
Supply Current ISS(µA)
Supply Current ISS(µA)
80
5.0
VOUT=3.4V
3.0V
4.0
3.0
2.5V
2.0
1.0
2.0V
0.0
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
VDS(V)
R5104V
TECHNICAL NOTES
The phase compensation is made with the phase compensation circuit in the IC and the ESR of the output
capacitor to make the operation stable. Therefore connect a 10µF or more value capacitor between VOUT and
GND. The ESR range of the output capacitor should be approximately 1Ω to 10Ω.
The fluctuation and the noise of the supply voltage, or a drastic change of the output voltage by the load
transition of the regulator might be the reason of the mis-operation of the watchdog timer. If the SCK input
pulse frequency is beyond 10kHz, or if the capacitance value of CTW pin is large, the watchdog timer is easily
affected by the fluctuation or noise of the supply voltage, or the fluctuation of the regulator output voltage, and
it may cause an unstable operation.
If VIN (supply voltage) may swing momentary, the regulator output is also swings. If the output of the voltage
regulator becomes lower than detector voltage threshold, the built-in detector may generate the reset signal.
Built-in over-current limit works as monitoring the sink current of EXT pin and limits the current. Considering
the over-current of the corrector current caused by short of EXT pin and GND externally, set a resistor
between EXT pin and the base of the external driver transistor to limit the base current.
Use a 100pF or more value capacitor for CTW pin.
Use a 10pF or more capacitor for CD pin. A capacitor must be connected to CD pin to use R5104VxxxA.
To avoid the mis-operation, during watchdog timer monitoring time, there is some ignoring time against clock
pulse. Therefore, during the ignoring time, input clock pulse (rising edge trigger) is ignored. The ignoring time
VREF2H is approximately as follows:
The time interval for CTW pin voltage from VREF2H to VREF2H−(VREF2H−VREF2L)/4
17
PACKAGES INFORMATION
•
PE-SSOP-10-0707
SSOP-10
Unit: mm
PACKAGE DIMENSIONS
3.1±0.2
1.15±0.1
11 2 3 4 5
0.55TYP.
0.15 +0.1
−0.05
6.4±0.2
4.4±0.2
10 9 8 7 6
0.5
0.1±0.05
0°
0.1
0.2±0.1
0.5±0.2
0.1 M
4.0±0.1
3.7
5.5±0.05
2.0±0.05
6.9
8.0±0.1
2.7MAX.
1.6±0.1
E2
User Direction of Feed
TAPING REEL DIMENSIONS
(1reel=2000pcs)
17.4±1
∅13±0.2
13.4±1
∅100±1
21±0.8
∅254±2
2±0.5
12.0±0.3
1.5 +0.1
0
0.3±0.1
1.75±0.1
TAPING SPECIFICATION
10°
PACKAGES INFORMATION
PE-SSOP-10-0707
POWER DISSIPATION (SSOP-10)
This specification is at mounted on board. Power Dissipation (PD) depends on conditions of mounting on board.
This specification is based on the measurement at the condition below:
Measurement Conditions
Standard Land Pattern
Environment
Mounting on Board (Wind velocity=0m/s)
Board Material
Glass cloth epoxy plactic (Single sided)
Board Dimensions
10mm × 10mm × 1.6mm
Copper Ratio
Approx. 10%
Through-hole
−
Measurement Result
(Topt=25°C,Tjmax=125°C)
Standard Land Pattern
Free Air
Power Dissipation
450mW
300mW
Thermal Resistance
θja=(125−25°C)/0.45W=222°C/W
333°C/W
On Board
300
10
Power Dissipation PD(mW)
10
500
450
400
200
Free Air
100
0
0
25
50
75 85 100 125
Ambient Temperature (°C)
150
Power Dissipation
Measurement Board Pattern
IC Mount Area (Unit : mm)
RECOMMENDED LAND PATTERN
0.3
5.9
1.0
0.5
(Unit: mm)
MARK INFORMATION
ME-R5104V-0701
R5104V SERIES MARK SPECIFICATION
• SSOP-10 (0.5mm pitch)
1
2
3
4
5
•
R
1
7
8
9
10
11
2
3
4
5
6
10
9
8
7
6
1
to
4
: 5104 (Fixed)
5
to
7
: Product Code (refer to Part Number vs. Product Code)
8
to 11
: Lot No.
Part Number vs. Product Code
Product Code
Part Number
1
2
3
4
5
6
7
R5104V002A
5
1
0
4
0
2
A
R5104V002B
5
1
0
4
0
2
B
R5104V003A
5
1
0
4
0
3
A
R5104V003B
5
1
0
4
0
3
B
R5104V004A
5
1
0
4
0
4
A
R5104V004B
5
1
0
4
0
4
B
R5104V007A
5
1
0
4
0
7
A
R5104V007B
5
1
0
4
0
7
B
R5104V008A
5
1
0
4
0
8
A
R5104V008B
5
1
0
4
0
8
B