NCV8503 ON Semiconductor, NCV8503 Datasheet

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NCV8503

Manufacturer Part Number
NCV8503
Description
2.5v, 3.3v, 5.0v, Adjustable/400ma Ldo W/ Reset, Delay, Adjustable Reset, Enable And Early Warning
Manufacturer
ON Semiconductor
Datasheet

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NCV8503 Series
Micropower 400 mA LDO
Linear Regulators
with ENABLE, DELAY,
Adjustable RESET, and
General Use Comparator
regulators. Their output current capability is 400 mA. The family has
output voltage options for Adjustable, 2.5 V, 3.3 V and 5.0 V.
dropout voltage of 0.6 V at 400 mA. Low quiescent current is a feature
drawing less than 1.0 mA with ENABLE = 0 V. With ENABLE = 5.0 V,
the part only draws 200 mA with 100 mA load. This part is ideal for any
and all battery operated microprocessor equipment.
DELAY).
low as 1.0 V. The RESET function is activated during the power up
sequence or during normal operation if the output voltage drops below
the regulation limits.
external resistor divider to R
temperature stable voltage and provides 1.0 mA of drive current at its
open collector output.
thermal overload conditions. The device can withstand load dump
transients making it suitable for use in automotive environments. The
device has also been optimized for EMC conditions.
Features
© Semiconductor Components Industries, LLC, 2007
October, 2007 - Rev. 21
The NCV8503 is a family of precision micropower voltage
The output voltage is accurate within ± 2.0% with a maximum
Microprocessor control logic includes an active RESET (with
The active RESET circuit operates correctly at an output voltage as
The reset threshold voltage can be decreased by the connection of
The general use comparator (FLAG/Monitor) is referenced to a
The regulator is protected against reverse battery, short circuit, and
and Change Control
Output Voltage Options: Adjustable, 2.5 V, 3.3 V, 5.0 V
± 2.0% Output
Low < 1.0 mA Sleep Current
Low 200 mA Quiescent Current
Fixed or Adjustable Output Voltage
Active RESET
Adjustable Reset
ENABLE
400 mA Output Current Capability
Fault Protection
General Use Comparator
NCV Prefix for Automotive and Other Applications Requiring Site
AEC Qualified
PPAP Capable
Pb-Free Packages are Available
+60 V Peak Transient Voltage
-15 V Reverse Voltage
Short Circuit
Thermal Overload
ADJ
lead.
1
See detailed ordering and shipping information in the package
dimensions section on page 12 of this data sheet.
16
EXPOSED PAD
x
A
WL = Wafer Lot
YY = Year
WW = Work Week
G
SOIC 16 LEAD
PDW SUFFIX
CASE 751AG
WIDE BODY
ORDERING INFORMATION
= Voltage Ratings as Indicated Below:
= Assembly Location
= Pb-Free Device
1
http://onsemi.com
A = Adjustable
2 = 2.5 V
3 = 3.3 V
5 = 5.0 V
Publication Order Number:
16
1
AWLYYWWG
MARKING
DIAGRAM
NCV8503x
NCV8503/D

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NCV8503 Summary of contents

Page 1

... Linear Regulators with ENABLE, DELAY, Adjustable RESET, and General Use Comparator The NCV8503 is a family of precision micropower voltage regulators. Their output current capability is 400 mA. The family has output voltage options for Adjustable, 2.5 V, 3.3 V and 5.0 V. The output voltage is accurate within ± 2.0% with a maximum dropout voltage of 0 ...

Page 2

... ADJ V OUT MON (Fixed Output Only BAT NCV8503 DELAY C DELAY (Adjustable ENABLE Output Only) FLAG GND NCV8503 Series PIN CONNECTIONS 16 FLAG SENSE RESET V OUT ENABLE NC GND DELAY MON ADJ SENSE ( OUT ...

Page 3

... Active Mode Q Quiescent Current Sleep Mode Q Current Limit Short Circuit Output Current Thermal Shutdown 3. Voltage range specified in the Output Stage of the Electrical Characteristics in boldface type. NCV8503 Series Rating = Junction-to-Case, R θJC Junction-to-Ambient, R θJA Reflow: (SMD styles only) (Note 1) , operation is assured, but not specified. Wider limits may apply. ...

Page 4

... V, a RESET = Low may occur with the output in regulation. 5. For Part is guaranteed by design to meet specification over the entire V 7. Minimum V = 4.5 V for 2.5 V, 3.3 V, and Adjustable options. Minimum V IN NCV8503 Series = 1.0 mA, ENABLE = 5.0 V, -40°C ≤ OUT Test Conditions V = 4.5 V (Note 5) (Note 6) ...

Page 5

... ENABLE control for the IC. A high powers the device up. 15 RESET Active reset (accurate FLAG Open collector output from comparator. NOTE: Tentative pinout for SOW-16 E Pad. NCV8503 Series Function to this lead sets the output voltage. OUT OUT. . ≥ 1.0 V) OUT Function ...

Page 6

... Current Source ENABLE + (Circuit Bias BIAS + + R ADJ - 1.8 V (Fixed Versions 1 (Adjustable Version) RESET + - 4.0 mA DELAY MON NCV8503 Series Current Limit Sense I BIAS + - Error Amplifier V BG Fixed Versions only Thermal Protection Bandgap Reference I V Adjustable BIAS BG Version only BIAS + - Figure 2. Block Diagram http://onsemi ...

Page 7

... TEMPERATURE (°C) Figure 5. 2.5 V Output Voltage vs. Temperature 5.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5 125 °C 1.0 25 °C 0.5 -40 °C 0 INPUT VOLTAGE (V) Figure 7. Output Voltage vs. Input Voltage NCV8503 Series 3. 5.0 V OUT 3. 5.0 mA OUT 3.31 3.29 3.27 3.25 3.23 100 120 140 160 -40 -20 Figure 4. 3.3 V Output Voltage vs. Temperature 700 V = 2.5 V ...

Page 8

... out out INPUT VOLTAGE (V) IN Figure 13. Quiescent Current vs. Input Voltage NCV8503 Series 100 5.0 V 3 *There is no unstable lower = VOUT region for the 33 mF capacitor 0.1 250 300 350 400 0 Figure 10 ...

Page 9

... REGULATOR CONTROL FUNCTIONS The NCV8503 contains the microprocessor compatible control function RESET (Figure 15 OUT DELAY RESET Figure 15. Reset and Delay Circuit Wave Forms RESET Function A RESET signal (low voltage) is generated as the IC powers up until V is within 1.5% of the regulated output ...

Page 10

... V options). Use the typical value for Delay Charge Current = 4.2 mA nF(1 DELAY + 4.2 mA NCV8503 Series pin is taken from ADJ APPLICATION NOTES The output or compensation capacitor helps determine three main characteristics of a linear regulator: start-up delay, load transient response and loop stability. ...

Page 11

... D(max) permissible value of R can be calculated: qJA R qJA + 150° NCV8503 Series The value of R package section of the data sheet. Those packages with R 's less than the calculated value in equation 2 will keep qJA the die temperature below 150°C. ...

Page 12

... NCV8503PW33R2G NCV8503PW50 NCV8503PW50G NCV8503PW50R2 NCV8503PW50R2G †For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging Specifications Brochure, BRD8011/D. NCV8503 Series Package SOW-16 Exposed Pad SOW-16 Exposed Pad (Pb-Free) Adjustable SOW-16 Exposed Pad ...

Page 13

... LITERATURE FULFILLMENT:  Literature Distribution Center for ON Semiconductor  P.O. Box 5163, Denver, Colorado 80217 USA  Phone: 303-675-2175 or 800-344-3860 Toll Free USA/Canada  Fax: 303-675-2176 or 800-344-3867 Toll Free USA/Canada  Email: orderlit@onsemi.com NCV8503 Series PACKAGE DIMENSIONS SOIC 16 LEAD WIDE BODY EXPOSED PAD PDW SUFFIX -U- CASE 751AG-01 ...

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