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Спецификация FP6810 изготовлена «Fiti» и имеет функцию, называемую «3-Pin Microprocessor Reset Circuits». |
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Детали детали
Номер произв | FP6810 |
Описание | 3-Pin Microprocessor Reset Circuits |
Производители | Fiti |
логотип |
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FP6809/6810
3-Pin Microprocessor
Reset Circuits
Description
The FP6809 and FP6810 are cost-effective system
supervisory circuits which are designed to monitor
micro-processor voltage and VCC in digital systems.
They provide a reset signal to the host processor
when necessary.
These circuits assert a reset signal whenever the
VCC supply voltage declines below a preset
threshold. They keep reset signal asserted for at
least 140ms after VCC has risen above the reset
threshold.
The FP6809-N has an open-drain output stage
which requires a pull-up resistor while FP6809-C
and FP6810-C have push-pull outputs. The
FP6809 has an active-low
output while the
FP6810 has an active-high RESET output.
The FP6809 and FP6810 are optimized to reject
fast transient glitches on the VCC line. Low supply
current makes these devices suitable for portable
equipments.
Features
Precision Monitoring of Power-Supply Voltage
140ms Guaranteed Minimum Reset Output
Duration
Low Supply Current
VCC Transient Immunity
Small SOT-23-3 Package
No External Components
Guaranteed Reset Valid to VCC=1V
Available in Three Output Configurations
Open-Drain
Output (FP6809-N)
Push-Pull
Output (FP6809-C)
Push-Pull RESET Output (FP6810-C)
RoHS Compliant
Applications
Computer
Battery Powered Equipment
Microprocessor Power Supply Monitoring
Embedded System
Automotive
Pin Assignments
S3 Package (SOT-23-3)
VCC
3
1
2
GND RESET
(RESET)
Figure 1. Pin Assignment of FP6809/FP6810
Ordering Information
FP6809/10-□□□□□
TR: Tape/Reel
P: Green
G: Green
Package Type
S3: SOT-23-3
N: Open-Drain (FP6809 only)
C: Push-Pull
Reset Voltage
23: 2.32V 40: 4.00V
26: 2.63V 44: 4.38V
29: 2.93V 46: 4.63V
31: 3.08V
FP6809: Active Low Reset
FP6810: Active High Reset
Note1:Please consult Fitipower sales office or authorized
distributors for availability of special reset voltages.
FP6809/6810-1.5-JAN-2013
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FP6809/6810
SOT-23-3 Marking (FP6809)
Part Number
FP6809-23NS3P
Product
Code
Cv
Part Number
FP6809-23CS3P
FP6809-23NS3G Cv= FP6809-23CS3G
FP6809-26NS3P Cw
FP6809-26CS3P
FP6809-26NS3G Cw= FP6809-26CS3G
FP6809-29NS3P Cx
FP6809-29CS3P
FP6809-29NS3G Cx= FP6809-29CS3G
FP6809-31NS3P Cz
FP6809-31CS3P
FP6809-31NS3G Cz= FP6809-31CS3G
FP6809-40NS3P CA
FP6809-40CS3P
FP6809-40NS3G CA= FP6809-40CS3G
FP6809-44NS3P CB
FP6809-44CS3P
FP6809-44NS3G CB= FP6809-44CS3G
FP6809-46NS3P CC
FP6809-46CS3P
FP6809-46NS3G CC= FP6809-46CS3G
Product
Code
CD
CD=
CE
CE=
CF
CF=
CG
CG=
CH
CH=
CJ
CJ=
CK
CK=
SOT-23-3 Marking (FP6810)
Part Number
FP6810-23CS3P
FP6810-23CS3G
Product
Code
CL
CL=
Part Number
FP6810-31CS3G
FP6810-40CS3P
FP6810-26CS3P CM
FP6810-40CS3G
FP6810-26CS3G CM= FP6810-44CS3P
FP6810-29CS3P CN
FP6810-44CS3G
FP6810-29CS3G CN= FP6810-46CS3P
FP6810-31CS3P CP
FP6810-46CS3G
Product
Code
CP=
CR
CR=
CS
CS=
CT
CT=
Typical Application Circuit
VCC
VCC
FP6809
(FP6810)
RESET
(RESET)
GND
*For FP6809-N only
*RPULL-UP
VCC
µP
RESET
INPUT
GND
Figure 2. Typical Application Circuit of FP6809/FP6810
Functional Pin Description
Pin Name
GND
(FP6809)
RESET (FP6810)
VCC
Pin Function
Ground
Output remains low while VCC is below the reset threshold, and for at least 140ms after VCC rises above
the reset threshold.
RESET Output remains high while VCC is below the reset threshold, and for at least 140ms after VCC rises above
the reset threshold.
Supply Voltage
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Block Diagram
VCC
FP6809/6810
GND
Bandgap
Reset
Generator
Figure 3. Block Diagram of FP6809/FP6810
RESET
Absolute Maximum Ratings
● Supply Voltage (VCC to GND ) --------------------------------------------------------------------------- -0.3V to +6V
● RESET,
Voltage (Push-Pull) ------------------------------------------------------------------ -0.3 to (Vcc+0.3V)
● Voltage (Open Drain) --------------------------------------------------------------------------- -0.3V to (Vcc+0.3V)
● Input Current, VCC ------------------------------------------------------------------------------------------ 20mA
● Output Current, RESET,
----------------------------------------------------------------------- 20mA
● Rate of Rise (VCC) ------------------------------------------------------------------------------------------ 100V/μs
● Power Dissipation @TA=25°C, SOT-23-3 (PD) ------------------------------------------------------- +0.4W
● Package Junction-to-Case Thermal Resistance SOT-23-3 (θJc) -------------------------------- +150°C/W
● Package Thermal Resistance SOT-23-3 (θJA) ------------------------------------------------------- +250°C/W
● Maximum Junction Temperature (TJ) ------------------------------------------------------------------- +150°C
● Storage Temperature (TS) --------------------------------------------------------------------------------- -65°C to +150°C
● Lead Temperature (Soldering, 10s) (TLEAD) ----------------------------------------------------------- +260°C
Note 2: tresses beyond those listed under “Absolute Maximum atings" may cause permanent damage to the device.
Recommended Operating Conditions
● Supply Voltage (VCC to GND) ---------------------------------------------------------------------------- +1.0V to +5.5V
● Operation Temperature Range --------------------------------------------------------------------------- -40°C to +85°C
FP6809/6810-1.5-JAN-2013
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