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XD6131 Datasheet Preview

XD6131 Datasheet

Watchdog Timeout Period Externally Adjustable Voltage Detector

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XD6130/XD6131Series
Watchdog Timeout Period Externally Adjustable Voltage Detector
ETR02039-004
AEC-Q100 Grade1
GENERAL DESCRIPTION
The XD6130/XD6131 series are voltage detectors with a watchdog function. The watchdog timeout time and release delay
time can be set as desired using a single external capacitor. These voltage detectors are used for microprocessor monitoring,
and when the power voltage reaches the detect voltage or an LH pulse is not input to the watchdog pin within the watchdog
timeout time, an L level signal is output from the RESETB pin.
The XD6130 series has a manual reset function. When the manual reset pin is set to Low level at any desired timing, an L level
signal is output from the RESETB pin.
The XD6131 series has a watchdog ON/OFF function. By setting the EN pin to L level, the watchdog function can be turned
OFF while the voltage detector that monitors the power voltage continues to operate.
The MRB pin and EN pin are pulled up internally to VIN, and thus these pins can be left open when not used.
APPLICATIONS
Microprocessor reset and malfunction monitoring circuitry
Memory battery backup circuits
Power-on reset circuits
Power failure detection
FEATURES
Operating Ambient Temperature : -40℃~+125
Operating Voltage Range
: 1.5V6.0V
Detect Voltage (Standard)
: 1.6V,2.2V,2.3V,2.4V,2.9V,3.0V,
3.1V,4.4V,4.5V,4.6V,±1.0%
Detect Voltage Range(Option) : 1.6V5.0V (±1.0%)
Hysteresis Width
: VDFL×5
Temperature Characteristics : ±50ppm/
Output Configuration
: N-channel open drain output
Low Power Consumption
Function
: 8.1μA Detect
9.8μA Release
2.5μA Release (EN=L)
: Manual Reset (XD6130)
: Watchdog function OFF (XD6131)
WD Timeout Time
Release Delay Time
: 100ms (Cd=0.1μF)
: 100ms (Cd=0.1μF) (at power on)
10ms (Cd=0.1μF)
(After Watchdog Timeout)
Package
: SOT-26
Environmentally Friendly
: EU RoHS compliant, Pb free
TYPICAL APPLICATION CIRCUIT TYPICAL PERFORMANCE
XCX61D306130 Series
CHARACTERISTICS
RESET
SW
VIN
MRB
Cd
RESETB
WD
VSS
VIN
Rpull
RESETB
INPUT
I/O
XD6X1C3613A13A0310M1MRR--QG
14
12
WD Function ON
WD Function OFF
10
8
Cd=0.01μF, WD=RESETB=OPEN, Ta=25℃
EN=VSS(WD Function OFF)
EN=VIN (WD Function ON)
XCX61D3161リー31 Series
VIN
EN/ENB
Cd
VSS
RESETB
WD
VIN
Rpull
RESETB
INPUT
I/O
6
4
2
0
0
1
2
3
4
5
6
Input Voltage:VIN(V)
The above values do not include the current that flows to the EN pull-up resistance.
1/29




Torex

XD6131 Datasheet Preview

XD6131 Datasheet

Watchdog Timeout Period Externally Adjustable Voltage Detector

No Preview Available !

XD6130/XD6131 Series
BLOCK DIAGRAM
XD6130 Series Type A
VIN
RMRB
MRB
RH
RX
Voltage
RY Reference
Cd
LO GIC
Voltage
Reference
Cd
WD
RESE T
LO GIC
LH PULSE
DETECT LO GIC
RWD
XD6131 Series Type A
VIN
REN
EN
RH
RX
Voltage
RY Reference
Cd
LO GIC
Voltage
Reference
Cd
WD
RESE T
LO GIC
LH PULSE
DETECT LO GIC
RWD
* Diodes inside the circuit are an ESD protection diode and a parasitic diode.
2/29
RESETB
VSS
RESETB
VSS



Part Number XD6131
Description Watchdog Timeout Period Externally Adjustable Voltage Detector
Maker Torex
Total Page 3 Pages
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