Rainbow-electronics BD4923G_FVE Uživatelský manuál

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Features
Applications
CMOS RESET IC
BD48XXG/FVE
BD49XXG/FVE
Selection guide
Rohm's BD48XXG/FVE and BD49XXG/FVE are series of high-accuracy, low-power VOLTAGE DETECTOR ICs
with a CMOS process. For flexible choice according to the application, BD48XXG/FVE series with N channel
open drain output and BD49XXG/FVE series with CMOS output are available in 38 voltage types from 2.3 V to
6.0 V in steps of 0.1 V in different packages, totaling 152 models.
1) Detection voltage: 0.1V step line-up 2.3 to 6.0V (Typ.)
2) High-accuracy detection voltage: ±1.5% guaranteed (Ability ±1%)
3) Ultra low current consumption: 0.8 A typ. (Output is High.)
4) Nch open drain output (BD48XXG/FVE series),
CMOS output (BD49XXG/FVE series)
5) Small package VSOF5(EMP5) : BD48XXFVE/BD49XXFVE
SSOP5(SMP5C2) : BD48XXG/BD49XXG
Every kind of appliances with microcontroller and logic circuit
For BD4XXXX series, detection voltage, output circuit types (Refer to the block diagram at P3), and package
(Refer to the dimension at P14) can be selected for your own application.
Part number of devices for each specification is shown below.
Part No. : B D 4 X X X X
Part No. Specification Contents
Output circuit types
Package
Detection voltage
8 : Open drain output
9 : CMOS output
Ex. : VS : described in each 0.1V step
for 2.3V to 6.0V range (29 means 2.9V)
G : SSOP5 (SMP5C2)
FVE : VSOF5 (EMP5)
1
2
3
1 2
3
1/15
Voltage detectors
BD48XXG/FVE
BD49XXG/FVE
Rev.A
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1 2 3 4 5 6 ... 15 16

Shrnutí obsahu

Strany 1 - CMOS RESET IC

FeaturesApplicationsCMOS RESET ICBD48XXG/FVEBD49XXG/FVE Selection guideRohm's BD48XXG/FVE and BD49XXG/FVE are series of high-accuracy, low

Strany 2

Characteristic data (Reference data)521 43 1076 980.51.01.5VDD [V]IDD [ A]0[BD4842G/FVE]1.5 2 2.51015180.5 150VDS [V]IOL [mA]VDD=1.2VVDD=2.4V[

Strany 3

VDDVDDVOUTGNDA Fig.34Circuit current on ON (VS-0.2V)Ta [°C]20-20 0 10040 80600.51.0IDD [ A]-40 [BD4842G/FVE]100RL=470K VDDVVDD

Strany 4

Taping specificationRectangular recess to hold a componentCircular feed holeBAD1P2P0WFED0P1tKPackage SSOP5 (SMP5C2)SymbolDimensionSymbolDimensi

Strany 5

3)Standard packaged quantity and IC direction The standard packaged quantity is 3,000 pcs/reel. Orders should be in multiples of the standard package

Strany 6

(UNIT:mm)SSOP5(SMP5C2)(5)2.9±0.24° + 6°-4°1.6-0.1+0.22.8±0.2(3)(4)(2)(1)+0.050.13–0.030.2MIN0.950.11.25MAX0.05±0.051.1±0.050.42+0.05-0.04VSOF5(EMP5

Strany 7

Reference land pattern Part number and marking of samplesFor actual designing, take the board density, mountability, dimension tolerance, etc.

Strany 8

Appendix Appendix1-Rev1.1 The products listed in this document are designed to be used with ordinary electronic equipment or devices (such as a

Strany 9

Line-up Pin layoutNch Open drain output ( BD48XXG/FVE ) CMOS output ( BD49XXG/FVE )Detection voltage VS ( V ) Ta=25°CDetection voltage

Strany 10 - BD49XXG/FVE

To prevent the functional deterioration or thermal damage of semiconductor devices and ensure their service life and reliability, they must be designe

Strany 11

Power dissipationWhen it is used in the ambient temperature of (Ta)=25°C and more, make reference to each thermal derating characteristics of used

Strany 12

Operating explanationWhen VDD is equal to or more than the release voltage (Vs+ Vs), output VOUT is in "H" mode. (Nch output transisto

Strany 13

Application circuit1)Application circuit as ordinal supply detection reset is shown below.Output type of BD48XXG/FVE series (Open drain type) and

Strany 14 - (UNIT:mm)

• Test dataFig.15 BD4845G TPLH output waveformFig.16 BD4845G TPHL output waveformFig.17 BD4945G TPLH output waveformFig.18 BD4945G TPHL output wave

Strany 15 - B D 4 X X X X

Hysteresis > R X { (Circuit current at ON) - (Circuit current at OFF) }3)Application circuit when it is used as Power-on reset is shown below. (

Strany 16 - Appendix

Establishment of RESET transfer delay time • Delay time at the rise of VDD TPLH : Time until when VOUT is 1/2 of VDD after the rise of VDD, and b

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