Enable-IT 350 Manuel d'utilisateur

Naviguer en ligne ou télécharger Manuel d'utilisateur pour Non Enable-IT 350. NCV8772 - Ultra Low LDO Regulator with Enable and Reset [en] Manuel d'utilisatio

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© Semiconductor Components Industries, LLC, 2011
December, 2011 Rev. 3
1 Publication Order Number:
NCV8772/D
NCV8772
Ultra Low I
q
350 mA LDO
Regulator with Enable and
Reset
The NCV8772 is 350 mA LDO regulator with integrated reset
functions dedicated for microprocessor applications. Its robustness allows
NCV8772 to be used in severe automotive environments. Ultra low
quiescent current as low as 24 mA typical makes it suitable for
applications permanently connected to battery requiring ultra low
quiescent current with or without load. This feature is especially critical
when modules remain in active mode when ignition is off. The Enable
function can be used for further decrease of quiescent current in
shutdown mode to 1 mA. The NCV8772 contains protection functions as
current limit, thermal shutdown and reverse output current protection.
Features
Output Voltage Options: 3.3 V and 5 V
Output Voltage Accuracy: ±1.5% (T
J
= 25°C to 125°C)
Output Current up to 350 mA
Ultra Low Quiescent Current: typ 24 mA (max 30 mA)
Very Wide Range of C
out
and ESR Values for Stability
Enable Function
1 mA Max Quiescent Current when disabled
Microprocessor Compatible Control Functions:
Reset with Adjustable PowerOn Delay
Wide Input Voltage Operation Range: up to 40 V
Protection Features
Current Limitation
Thermal Shutdown
Reverse Output Current Protection
These are PbFree Devices
Typical Applications
Body Control Module
Instruments and Clusters
Occupant Protection and Comfort
Powertrain
NCV8772
GND
Figure 1. Typical Application Schematic
V
in
V
out
RESET
Microprocessor
C
out
1 mF
ON
OFF
EN
C
in
0.1 mF
V
BAT
V
out
V
DD
RO
DT*
* D2PAK7 ONLY
http://onsemi.com
MARKING
DIAGRAMS
See detailed ordering and shipping information in the package
dimensions section on page 14 of this data sheet.
ORDERING INFORMATION
y = Timing and Reset Threshold Option
x, xx = Voltage Option
A = Assembly Location
WL, L = Wafer Lot
Y = Year
WW = Work Week
G = PbFree Package
D
2
PAK5
D5S SUFFIX
CASE 936A
NC
V8772yxx
AWLYWWG
772yxxG
ALYWW
1
NC
V8772yxx
AWLYWWG
1
DPAK5
DT SUFFIX
CASE 175AA
D
2
PAK7
D7S SUFFIX
CASE 936AB
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Résumé du contenu

Page 1 - Regulator with Enable and

© Semiconductor Components Industries, LLC, 2011December, 2011 − Rev. 31 Publication Order Number:NCV8772/DNCV8772Ultra Low Iq 350 mA LDORegulator wi

Page 2 - PIN CONNECTIONS

NCV8772http://onsemi.com10TYPICAL CHARACTERISTICSFigure 24. PSRR vs. Frequency(5 V Option)010203040506070809010010 100 1000 10000 100000f, FREQUENCY (

Page 3 - ESD CAPABILITY (Note 3)

NCV8772http://onsemi.com11TYPICAL CHARACTERISTICSFigure 30. Reset Threshold vs. Temperature(5 V Option)4.604.654.704.754.80−40 −20 0 20 40 60 80 100 1

Page 4 - ELECTRICAL CHARACTERISTICS V

NCV8772http://onsemi.com12DEFINITIONSGeneralAll measurements are performed using short pulse lowduty cycle techniques to maintain junction temperature

Page 5

NCV8772http://onsemi.com13APPLICATIONS INFORMATIONThe NCV8772 regulator is self−protected with internalthermal shutdown and internal current limit. Ty

Page 6

NCV8772http://onsemi.com14RESET DELAY AND RESET THRESHOLD OPTIONS(D2PAK−7)DT = GNDResetTimeDT = VoutResetTimeResetThresholdNCV87721D7S 8 ms 128 ms 93%

Page 7

NCV8772http://onsemi.com15PACKAGE DIMENSIONSDPAK 5, CENTER LEAD CROPCASE 175AAISSUE A*For additional information on our Pb−Free strategy and soldering

Page 8

NCV8772http://onsemi.com16PACKAGE DIMENSIONSD2PAK 5CASE 936A−02ISSUE C5 REFA123KBSHDGCEMLPNRVUTERMINAL 6NOTES:1. DIMENSIONING AND TOLERANCING PER AN

Page 9

NCV8772http://onsemi.com17PACKAGE DIMENSIONSD2PAK−7 (SHORT LEAD)CASE 936AB−01ISSUE B5 REFA123KBSHDGCEMLPNRVUTERMINAL 6NOTES:1. DIMENSIONING AND TOLE

Page 10 - TYPICAL CHARACTERISTICS

NCV8772http://onsemi.com2DriverWithCurrentLimitGNDEnableENROThermalShutdownOscillatorReferenceErorr Amplifier Reset ComparatorTimingCircuitReset Drive

Page 11

NCV8772http://onsemi.com3ABSOLUTE MAXIMUM RATINGSRating Symbol Min Max UnitInput Voltage (Note 1) DCTransient, t < 100 msVin−0.3−4045VInput Current

Page 12

NCV8772http://onsemi.com4RECOMMENDED OPERATING RANGE (Note 7)RatingSymbol Min Max UnitInput Voltage (Note 8) Vin4.5 40 VJunction Temperature TJ−40 150

Page 13

NCV8772http://onsemi.com5ELECTRICAL CHARACTERISTICS Vin = 13.2 V, VEN = 3 V, Cin = 0.1 mF, Cout = 1 mF, for typical values TJ = 25°C, for min/maxvalue

Page 14

NCV8772http://onsemi.com6TYPICAL CHARACTERISTICSFigure 4. Quiescent Current vs. Temperature2021222324252627282930−40 −20 0 20 40 60 80 100 120 140 160

Page 15 - PACKAGE DIMENSIONS

NCV8772http://onsemi.com7TYPICAL CHARACTERISTICSFigure 9. Output Voltage vs. Input Voltage(5 V Option)0123456012345678Vin, INPUT VOLTAGE (V)Vout, OUTP

Page 16

NCV8772http://onsemi.com8TYPICAL CHARACTERISTICSFigure 13. Output Current Limit vs. InputVoltage (5 V Option)01002003004005006007008000 5 10 15 20 25

Page 17

NCV8772http://onsemi.com9TYPICAL CHARACTERISTICS14.2 V13 V3.42 V3.33 V3.3 V12.2 VVin(1 V/div)Vout(50 mV/div)Figure 18. Line Transients(5 V Option)TJ =

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