ncv4275a ON Semiconductor, ncv4275a Datasheet

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ncv4275a

Manufacturer Part Number
ncv4275a
Description
5.0 V, 3.3 V 450 Ma Low-dropout Voltage Regulator With Reset
Manufacturer
ON Semiconductor
Datasheet

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NCV4275A
5.0 V, 3.3 V 450 mA
Low-Dropout Voltage
Regulator with Reset
for use in harsh automotive environments. It includes wide
operating temperature and input voltage ranges. The output is
regulated at 5.0 V or 3.3 V and is rated to 450 mA of output current.
It also provides a number of features, including overcurrent
protection, overtemperature protection and a programmable
microprocessor reset. The NCV4275A is available in the DPAK and
D
output capacitance and ESR range. The NCV4275A is pin for pin
compatible with NCV4275.
Features
Applications
© Semiconductor Components Industries, LLC, 2008
August, 2008 − Rev. 1
D
I
2
The NCV4275A is an integrated low dropout regulator designed
5.0 V and 3.3 V, ±2% Output Voltage Options
450 mA Output Current
Very Low Current Consumption
Active Reset Output
Reset Low Down to V
500 mV (max) Dropout Voltage
Fault Protection
AEC−Q100 Qualified
Pin Compatible with NCV4275
These are Pb−Free Devices
Auto Body Electronics
PAK surface mount packages. The output is stable over a wide
+45 V Peak Transient Voltage
−42 V Reverse Voltage
Short Circuit Protection
Thermal Overload Protection
Reference
Shutdown
Bandgap
Thermal
Figure 1. Block Diagram
Q
Amplifier
= 1.0 V
+
Error
Current Limit and
Saturation Sense
Generator
Reset
1
Q
GND
RO
See detailed ordering and shipping information in the
dimensions section on page 17 of this data sheet.
1
1
5
5
ORDERING INFORMATION
x
A
WL, L
Y
WW
G
Pin 1. I
Tab, 3. GND*
* Tab is connected to
Pin 3 on all packages
http://onsemi.com
http://onsemi.com
2. RO
4. D
5. Q
D
CASE 175AA
DPAK, 5−PIN
CASE 936A
DT SUFFIX
DS SUFFIX
2
= 5 (5.0 V Output)
or 3 (3.3 V Output)
= Assembly Location
= Wafer Lot
= Year
= Work Week
= Pb−Free Package
PAK, 5−PIN
Publication Order Number:
DIAGRAMS
MARKING
1
4275AxG
AWLYWWG
NCV4275A/D
ALYWW
1
V4275Ax
NC

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ncv4275a Summary of contents

Page 1

... The NCV4275A is available in the DPAK and 2 D PAK surface mount packages. The output is stable over a wide output capacitance and ESR range. The NCV4275A is pin for pin compatible with NCV4275. Features • 5.0 V and 3.3 V, ±2% Output Voltage Options • ...

Page 2

PIN FUNCTION DESCRIPTION Pin # Symbol Ñ Ñ Ñ Ñ Ñ Ñ Ñ Ñ Ñ Ñ Ñ Ñ Ñ Ñ Ñ Ñ Ñ Ñ Ñ Ñ Ñ Ñ Ñ Ñ Ñ Ñ Ñ Ñ Ñ Ñ Ñ Ñ Ñ Ñ ...

Page 3

OPERATING RANGE Input Voltage Operating Range, 5.0 V Output Input Voltage Operating Range, 3.3 V Output Junction Temperature LEAD TEMPERATURE SOLDERING REFLOW AND MSL Lead Free, 60 sec−150 sec above 217°C Moisture Sensitivity Level THERMAL CHARACTERISTICS Characteristic DPAK 5−PIN PACKAGE ...

Page 4

ELECTRICAL CHARACTERISTICS Characteristic Symbol Output Output Voltage V Q Output Voltage V Q Output Current Limitation I Q Quiescent Current − Dropout Voltage V dr Load Regulation DV Q Line Regulation ...

Page 5

TYPICAL PERFORMANCE CHARACTERISTICS 5.0 V Version 10 Stable ESR Region 0.1 0.01 0 100 200 I , OUTPUT CURRENT (mA) Q Figure 2. Output Stability with Output Capacitor ESR 100 10 1 Stable ESR ...

Page 6

TYPICAL PERFORMANCE CHARACTERISTICS 5.0 V Version 6 25° 5.0 4.0 3.0 2.0 1.0 0 INPUT VOLTAGE (V) I Figure 8. Output Voltage V vs. Input Voltage ...

Page 7

TYPICAL PERFORMANCE CHARACTERISTICS 5.0 V Version 3 13 25° 3.0 2.5 2.0 1.5 1.0 0.5 0 OUTPUT CURRENT (mA) Q Figure 14. Current Consumption I Output ...

Page 8

TYPICAL PERFORMANCE CHARACTERISTICS 5.0 V Version 2.0 1 1.6 1.4 1.2 1.0 0.8 0.6 0 0.2 0.0 − JUNCTION TEMPERATURE (°C) J Figure 20. Delay Switching Threshold V Temperature T 700 ...

Page 9

... Circuit Description The NCV4275A is an integrated low dropout regulator that provides 5 3.3 V, 450 mA protected output and a signal for power on reset. The regulation is provided by a PNP pass transistor controlled by an error amplifier with a bandgap reference, which gives it the lowest possible drop out voltage and best possible temperature stability ...

Page 10

Reset Reset Delay Time Reaction Time V RO Power−on−Reset Thermal Shutdown < Reset Reaction Time Voltage Dip Undervoltage Secondary at Input Spike Figure 24. Reset Timing http://onsemi.com Q,rt t Reset Charge ...

Page 11

... R qJA R are functions of the package type, heatsink and the (2) qSA interface between them. These values appear in heatsink data sheets of heatsink manufacturers. Thermal, mounting, and heatsinking considerations are discussed in the ON Semiconductor application note AN1040/ http://onsemi.com 11 : ...

Page 12

... Thermal Model A discussion of thermal modeling is in the ON Semiconductor web site: http://www.onsemi.com/pub/collateral/BR1487−D.PDF. Table 1. DPAK 5−Lead Thermal RC Network Models Drain Copper Area (1 oz thick) 168 mm (SPICE Deck Format) 168 mm C_C1 Junction Gnd 1.00E−06 C_C2 node1 Gnd 1.00E−05 C_C3 ...

Page 13

Table 2. D PAK 5−Lead Thermal RC Network Models Drain Copper Area (1 oz thick) 241 mm (SPICE Deck Format) 241 mm C_C1 Junction Gnd 1.00E−06 C_C2 node1 Gnd 1.00E−05 C_C3 node2 Gnd 6.00E−05 C_C4 node3 Gnd 1.00E−04 C_C5 ...

Page 14

COPPER AREA (mm Figure 28. qJA vs. Copper Spreader Area, DPAK 5−Lead 100 10 ...

Page 15

Duty Cycle 20 1.0 1% 0.1 Non−normalized Response 0.01 0.0000001 0.000001 0.00001 0.0001 Figure 32. Duty Cycle for 1” Spreader Boards, DPAK 5−Lead 100 50% Duty Cycle 20 1.0 1% ...

Page 16

... A global pin carries a signal or power which enters or leaves the application board local pin carries a signal or power which does not leave the application board. It remains on the application board as a signal between two components 100 NCV4275A VOUT ...

Page 17

... FREQUENCY (MHz) Figure 37. Typical R Pin Susceptibility O ORDERING INFORMATION Device NCV4275ADS50G NCV4275ADS50R4G NCV4275ADT50RKG NCV4275ADS33G NCV4275ADS33R4G NCV4275ADT33RKG †For information on tape and reel specifications,including part orientation and tape sizes, please refer to our Tape and Reel Packaging Specifications Brochure, BRD8011/ Pass 33 dBm ...

Page 18

... 0.13 (0.005) M 5.8 0.228 *For additional information on our Pb−Free strategy and soldering details, please download the ON Semiconductor Soldering and Mounting Techniques Reference Manual, SOLDERRM/D. PACKAGE DIMENSIONS DPAK 5, CENTER LEAD CROP DT SUFFIX CASE 175AA−01 ISSUE A −T− SEATING PLANE E R1 ...

Page 19

... P 0.058 0.078 1.473 1.981 R 5 REF _ 5 REF _ S 0.116 REF 2.946 REF U 0.200 MIN 5.080 MIN V 0.250 MIN 6.350 MIN 1.016 0.04 mm inches ON Semiconductor Website: www.onsemi.com Order Literature: http://www.onsemi.com/orderlit For additional information, please contact your loca Sales Representative NCV4275A/D ...

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