ncv4279c ON Semiconductor, ncv4279c Datasheet

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ncv4279c

Manufacturer Part Number
ncv4279c
Description
5.0 V Micropower 150 Ma Ldo Linear Regulator With Delay, Adjustable Reset, And Monitor Flag
Manufacturer
ON Semiconductor
Datasheet
NCV4279C
5.0 V Micropower 150 mA
LDO Linear Regulator with
DELAY, Adjustable RESET,
and Monitor FLAG
The output current capability is 150 mA.
dropout voltage of 0.6 V at 150 mA. Low quiescent current is a feature
drawing only 130 mA with a 100 mA load. This part is ideal for any and
all battery operated microprocessor equipment.
DELAY), and a FLAG monitor which can be used to provide an early
warning signal to the microprocessor of a potential impending RESET
signal. The use of the FLAG monitor allows the microprocessor to
finish any signal processing before the RESET shuts the
microprocessor down.
low as 1.0 V. The RESET function is activated during the power up
sequence or during normal operation if the output voltage drops
outside the regulation limits.
external resistor divider to R
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, 2006
March, 2006 - - Rev. 2
The NCV4279C is a 5.0 V precision micropower voltage regulator.
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 an
The regulator is protected against reverse battery, short circuit, and
and Control Changes
These devices are available in Pb- -free package(s). Specifications herein
apply to both standard and Pb- -free devices. Please see our website at
www.onsemi.com for specific Pb- -free orderable part numbers, or
contact your local ON Semiconductor sales office or representative.
5.0 V ± 2.0% Output
Low 130 mA Quiescent Current
Active RESET
Adjustable Reset
150 mA Output Current Capability
Fault Protection
Early Warning through FLAG/MON Leads
Internally Fused Leads in SO- -14 Package
NCV Prefix for Automotive and Other Applications Requiring Site
--
--
--
--
+60 V Peak Transient Voltage
Short Circuit
Thermal Overload
- -15 V Reverse Voltage
ADJ
lead.
1
See detailed ordering and shipping information in the package
dimensions section on page 10 of this data sheet.
14
8
1
1
ORDERING INFORMATION
DELAY
A
WL, L
Y
WW, W = Work Week
MON
R
RESET
DELAY
PIN CONNECTIONS
V
ADJ
http://onsemi.com
http://onsemi.com
R
GND
GND
GND
IN
ADJ
NC
CASE 751A
CASE 751
D SUFFIX
D SUFFIX
1
SO- -14
= Assembly Location
= Wafer Lot
= Year
SO- -8
1
SO- -14
SO- -8
Publication Order Number:
14
8
14
1
MON
V
GND
GND
GND
V
FLAG
DIAGRAMS
MARKING
V
FLAG
RESET
GND
NCV4279C
AWLYWW
IN
OUT
8
1
OUT
4279C
ALYW
NCV4279C/D

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ncv4279c Summary of contents

Page 1

... V Micropower 150 mA LDO Linear Regulator with DELAY, Adjustable RESET, and Monitor FLAG The NCV4279C is a 5.0 V precision micropower voltage regulator. The output current capability is 150 mA. The output voltage is accurate within ±2.0% with a maximum dropout voltage of 0 150 mA. Low quiescent current is a feature drawing only 130 mA with a 100 mA load ...

Page 2

... V Thermal dissipation must be observed closely second maximum above 183°C. 2. --5°C/+0°C allowable conditions. 3. Measured to Pin 4, with Pins 10, 11 and 12 soldered to a thermal plane. V OUT R ADJ NCV4279C MON RESET GND Figure 1. Application Diagram Rating = 14 V) ...

Page 3

ELECTRICAL CHARACTERISTICS Characteristic OUTPUT STAGE Output Voltage 9.0 V < V 6.0 V < V Dropout Voltage ( OUT OUT I OUT Load Regulation V IN Line Regulation [V OUT Quiescent Current ...

Page 4

PACKAGE PIN DESCRIPTION Package Pin Number SO- -8 SO- - 3--5, 10-- TYPICAL PERFORMANCE CHARACTERISTICS 5.01 5.00 4.99 4.98 --40 --25 --10 5 ...

Page 5

TYPICAL PERFORMANCE CHARACTERISTICS 150 I = 100 mA OUT 145 140 135 130 125 120 (V) IN Figure 6. Quiescent Current vs. Input Voltage 1000 Unstable Region 100 10 Stable Region C VOUT 1 0 ...

Page 6

V IN Current Source (Circuit Bias) I BIAS + R + ADJ -- V BG RESET + -- 3.0 mA Delay MON Current Limit Sense I BIAS + -- Error Amplifier V BG 1.8 V Thermal Protection Bandgap Reference I ...

Page 7

... DELAY RESET Td Power on Reset Figure 11. Reset and Delay Circuit Wave Forms REGULATOR CONTROL FUNCTIONS The NCV4279C contains a microprocessor- -compatible control function RESET (Figure 11). RESET Function A RESET signal (low voltage) is generated as the IC powers up. After V increases above the RESET OUT threshold, the DELAY timer is started. When the DELAY timer passes 1 ...

Page 8

... V IN Figure 16. Single Output Regulator with Key Performance Parameters Labeled http://onsemi.com 8 shown in Figure 15 OUT V OUT NCV4279C R RST RESET temperature expected. Output Compensation is the minimum output voltage, is the maximum output current for the is known, the maximum D(max) can be calculated: θ ...

Page 9

... Further mounting and cooling information is available in the application note, AN1040/D, “Mounting Considerations for Power Semiconductors” ON Semiconductor web site. (3) Thermal, mounting, and heatsinking are discussed in the ON Semiconductor applications note AN1040/D. http://onsemi.com 9 and R are θCS θSA located in the ...

Page 10

... ORDERING INFORMATION Device Output Voltage NCV4279CD1 NCV4279CD1R2 NCV4279CD2 NCV4279CD2R2 †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. Package SO--8 5.0 V SO--14 http://onsemi.com 10 † Shipping 98 Units / Rail 2500 / Tape & Reel 55 Units / Rail 2500 / Tape & ...

Page 11

0.25 (0.010 - SEATING PLANE - - 0.25 (0.010 PACKAGE DIMENSIONS SO SUFFIX CASE 751--07 ISSUE ...

Page 12

... C 1.35 1.75 0.054 0.068 D 0.35 0.49 0.014 0.019 F 0.40 1.25 0.016 0.049 G 1.27 BSC 0.050 BSC J J 0.19 0.25 0.008 0.009 K 0.10 0.25 0.004 0.009 5.80 6.20 0.228 0.244 R 0.25 0.50 0.010 0.019 ON Semiconductor Website: http://onsemi.com Order Literature: http://www.onsemi.com/litorder For additional information, please contact your local Sales Representative. NCV4279C/D _ ...

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