XC6108
Series
Voltage Detector with Separated Sense Pin & Delay Capacitor Pin
ETR0205_010a
■GENERAL
DESCRIPTION
The XC6108 series is highly precise, low power consumption voltage detector, manufactured using CMOS and laser trimming
technologies.
Since the sense pin is separated from power supply, it allows the IC to monitor added power supply.
Using the IC with the sense pin separated from power supply enables output to maintain the state of detection even when
voltage of the monitored power supply drops to 0V.
Moreover, with the built-in delay circuit, connecting the delay capacitance pin to the capacitor enables the IC to provide an
arbitrary release delay time.
Both CMOS and N-channel open drain output configurations are available.
■APPLICATIONS
●Microprocessor
reset circuitry
●Charge
voltage monitors
●Memory
battery back-up switch circuits
●Power
failure detection circuits
■FEATURES
Highly Accurate
Low Power Consumption
: 0.6
μA
TYP. (detect, V
IN
= 1.0V )
0.8
μA
TYP. (release, V
IN
= 1.0V )
Detect Voltage Range
Temperature Stability
Output Configuration
Operating Temperature
Separated Sense Pin
Built-In Delay Circuit
: 0.8V ~ 5.0V in 0.1V increments
: ±100ppm/
℃
TYP.
: CMOS or N-channel open drain
: -40
℃
~ +85
℃
: V
SEN
Pin Available
: Delay Time Adjustable
Operating Voltage Range
: 1.0V ~ 6.0V
:
+2%
(Detect Voltage≧1.5V)
+30mV
(Detect Voltage＜1.5V)
Packages
: USP-4, SOT-25
Environmentally Friendly
: EU RoHS Compliant, Pb Free
■TYPICAL
APPLICATION CIRCUIT
■TYPICAL
PERFORMANCE
CHARACTERISTICS
●Output
Voltage vs. Sense Voltage
XC6108C25A GR
7.0
6.0
Output Voltage: V
OUT
(V)
Output Voltage: VOUT (V)
Ta=25
℃
Monitering
Power
supply
(No Pull-Up resistor needed for
CMOS output product)
5.0
4.0
3.0
2.0
1.0
0.0
-1.0
0
1
2
3
4
V IN=6.0V
4.0V
1.0V
5
6
Sense V oltage: V SEN (V)
Sense Voltage: V
SEN
(V)
1/22
XC6108
Series
■PIN
CONFIGURATION
5
Cd
4
VSEN
VOUT VSS
VIN
3
USP-4
(BOTTOM VIEW)
* In the XC6108xxxA/B series, the dissipation pad should
not be short-circuited with other pins.
* In the XC6108xxxC/D series, when the dissipation pad
is short-circuited with other pins, connect it to the NC
pin (No.2) pin before use.
1
2
SOT-25
(TOP VIEW)
■PIN
ASSIGNMENT
PIN NUMBER
USP- 4
1
2
2
3
4
5
SOT-25
1
5
-
4
3
2
PIN NAME
V
OUT
Cd
NC
V
SEN
V
IN
V
SS
FUNCTION
Output (Detect ”L”)
Delay Capacitance
(*1)
No Connection
Sense
Input
Ground
(*2)
NOTE:
*1: With the V
SS
pin of the USP-4 package, a tab on the backside is used as the pin No.5.
*2: In the case of selecting no built-in delay capacitance pin type, the delay capacitance (Cd) pin will be
used as the N.C.
■PRODUCT
CLASSIFICATION
●Ordering
Information
XC6108
①②③④⑤⑥-⑦
(
*1
)
DESIGNATOR
①
②③
DESCRIPTION
Output Configuration
Detect Voltage
SYMBOL
C
N
08 ~ 50
A
④
Output Delay & Hysteresis
(Options)
B
C
D
GR
⑤⑥-⑦
Packages
Taping Type
(*2)
GR-G
MR
MR-G
CMOS output
N-ch open drain output
e.g. 18→1.8V
Built-in delay capacitance pin, hysteresis 5% (TYP.)(Standard*)
Built-in delay capacitance pin, hysteresis less than 1%(Standard*)
No built-in delay capacitance pin, hysteresis 5% (TYP.)
(Semi-custom)
No built-in delay capacitance pin, hysteresis less than 1%
(Semi-custom)
USP-4
USP-4
SOT-25
SOT-25
DESCRIPTION
*When delay function isn’t used, open the delay capacitance pin before use.
(*1)
(*2)
The “-G” suffix indicates that the products are Halogen and Antimony free as well as being fully RoHS compliant.
The device orientation is fixed in its embossed tape pocket. For reverse orientation, please contact your local Torex sales office or
representative. (Standard orientation:
⑤R-⑦,
Reverse orientation:
⑤L-⑦)
2/22
XC6108
Series
■BLOCK
DIAGRAMS
(1)
XC6108CxxA
*The delay capacitance pin (Cd) is not
connected to the circuit in the block diagram
of XC6108CxxC (semi-custom).
(2)
XC6108CxxB
*The delay capacitance pin (Cd) is not
connected to the circuit in the block diagram of
XC6108CxxD (semi-custom).
(3)
XC6108NxxA
*The delay capacitance pin (Cd) is not
connected to the circuit in the block diagram of
XC6108NxxC (semi-custom).
(4)
XC6108NxxB
*The delay capacitance pin (Cd) is not
connected to the circuit in the block diagram of
XC6108NxxD (semi-custom).
3/22
XC6108
Series
■ABSOLUTE
MAXIMUM RATINGS
●XC6108xxxA/B
PARAMETER
Input Voltage
Output Current
Output Voltage
XC6108C
(*1)
XC6108N
(*2)
Ta = 25
O
C
SYMBOL
V
IN
I
OUT
V
OUT
V
SEN
V
CD
I
CD
Pd
Ta
Tstg
RATINGS
V
SS
－0.3
~ 7.0
10
V
SS
－0.3
~ V
IN
＋0.3
V
SS
－0.3
~ 7.0
V
SS
－0.3
~ 7.0
V
SS
－0.3
~ V
IN
＋0.3
5.0
120
250
－40
~＋85
－55
~＋125
UNITS
V
mA
V
V
V
mA
mW
℃
℃
Sense Pin Voltage
Delay Capacitance Pin Voltage
Delay Capacitance Pin Current
Power Dissipation
USP-4
SOT-25
Operating Temperature Range
Storage Temperature Range
●XC6108xxxC/D
PARAMETER
Input Voltage
Output Current
Output Voltage
XC6108C
(*1)
XC6108N
USP-4
SOT-25
(*2)
O
Ta = 25 C
SYMBOL
V
IN
I
OUT
V
OUT
V
SEN
Pd
Ta
Tstg
RATINGS
V
SS
－0.3
~ 7.0
10
V
SS
－0.3
~ V
IN
＋0.3
V
SS
－0.3
~ 7.0
V
SS
－0.3
~ 7.0
120
250
－40
~＋85
－55
~＋125
UNITS
V
mA
V
V
mW
℃
℃
Sense Pin Voltage
Power Dissipation
Operating Temperature Range
Storage Temperature Range
NOTE:
*1: CMOS output
*2: N-ch open drain output
4/22
XC6108
Series
■ELECTRICAL
CHARACTERISTICS
●XC6108xxxA
PARAMETER
Operating Voltage
Detect Voltage
Hysteresis Width
Detect Voltage
Line Regulation
Supply Current 1
(*2)
Supply Current 2
(*2)
SYMBOL
V
IN
V
DF
V
HYS
ΔV
DF
/
(ΔV
IN
・V
DF
)
I
SS1
I
SS2
CONDITIONS
V
DF(T)
= 0.8 ~ 5.0V
(*1)
V
IN
= 1.0 ~ 6.0V
V
IN
= 1.0 ~ 6.0V
V
IN
= 1.0 ~ 6.0V
V
SEN
=
V
DF
x 0.9
V
SEN
=
V
DF
x 1.1
V
IN
= 1.0V
V
IN
= 6.0V
V
IN
= 1.0V
V
IN
= 6.0V
V
IN
= 1.0V
V
IN
= 2.0V
V
IN
= 3.0V
V
IN
= 4.0V
V
IN
= 5.0V
V
IN
= 6.0V
V
IN
= 1.0V
V
IN
= 6.0V
-
-
-
-
-
0.1
0.8
1.2
1.6
1.8
1.9
-
-
MIN.
1.0
TYP.
-
E-1
E-2
±0.1
0.6
0.7
0.8
0.9
0.7
1.6
2.0
2.3
2.4
2.5
-0.30
-2.00
0.20
-
0.20
-
±100
E-4
1.6
-
0.4
2.9
-
2.0
200
0.5
3.0
0.3
30
30
2.4
-
0.6
3.1
0.4
230
200
0.40
-
ppm/
℃
MΩ
MΩ
μA
V
V
μs
μs
①
⑤
⑥
⑥
⑦
⑧
⑨
⑨
-
1.5
1.6
1.7
1.8
MAX.
6.0
UNITS
V
V
V
%/V
μA
μA
Ta=25℃
CIRCUITS
-
①
①
①
②
②
I
OUT1
Output Current
(*3)
V
SEN
=0V
V
DS
= 0.5V
(N-ch)
-
mA
③
I
OUT2
V
SEN
= 6.0V
V
DS
= 0.5V
(P-ch)
-0.08
mA
-0.70
-
μA
③
④
Leakage
Current
CMOS
Output
Nch Open
Drain Output
I
LEAK
ΔV
DF /
(ΔTopr½V
DF
)
R
SEN
Rdelay
I
CD
V
TCD
V
UNS
t
DF0
t
DR0
V
IN
=6.0V, V
SEN
=6.0V,
V
OUT
=6.0V, Cd: Open
-40
℃ ≦
Ta
≦
85℃
V
SEN
= 5.0V, V
IN
= 0V
V
SEN
= 6.0V, V
IN
= 5.0V,
Cd = 0V
V
DS
= 0.5V, V
IN
= 1.0V
V
SEN
= 6.0V, V
IN
= 1.0V
V
SEN
= 6.0V, V
IN
= 6.0V
V
IN
= V
SEN
= 0V ~ 1.0V
V
IN
= 6.0V, V
SEN
= 6.0V→ 0.0V
Cd: Open
V
IN
= 6.0V, V
SEN
= 0.0V→ 6.0V
Cd: Open
Temperature Characteristics
Sense Resistance
(*4)
Delay Resistance
(*5)
Delay capacitance pin
Sink Current
Delay Capacitance Pin
Threshold Voltage
Unspecified Operating
Voltage
(*6)
Detect Delay Time
(*7)
Release Delay Time
(*8)
NOTE:
*1: V
DF(T):
Nominal detect voltage
*2: Current flows the sense resistor is not included.
*3: The Pch values are applied only to the XC6108C series (CMOS output).
*4: Calculated from the voltage value and the current value of the V
SEN
.
*5: Calculated from the voltage value of the V
IN
and the current value of the Cd.
*6: The maximum voltage of the V
OUT
in the range of the V
IN
0V to 1.0V when the V
IN
and the V
SEN
are short-circuited
This value is applied only to the XC6108C series (CMOS output).
*7: Time which ranges from the state of V
SEN
=V
DF
to the V
OUT
reaching 0.6V when the V
SEN
falls without connecting to the Cd pin.
*8: Time which ranges from the state of V
IN
= V
DF
+V
HYS
to the V
OUT
reaching 5.4V when the V
SEN
rises without connecting to the Cd pin.
5/22
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