ncp1117lp ON Semiconductor, ncp1117lp Datasheet

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ncp1117lp

Manufacturer Part Number
ncp1117lp
Description
1.0 A Low-dropout Positive Fixed And Adjustable Voltage Regulators
Manufacturer
ON Semiconductor
Datasheet

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NCP1117LP
1.0 A Low-Dropout Positive
Fixed and Adjustable
Voltage Regulators
family of low dropout voltage regulators, with reduced quiescent
current. It is intended primarily for high volume consumer
applications over the 0 to 125 degree temperature range. Capable of
providing an output current in excess of 1 A, with a dropout voltage of
1.3 V at 1 A full current load, the series consists of an adjustable and
five fixed voltage versions of 1.5 V, 1.8 V, 2.5 V, 3.3 V and 5.0 V.
built−in thermal shutdown. The NCP1117LP series can operate up to
18 V max input voltage. The device is available in the popular
SOT−223 package.
Features
Applications
© Semiconductor Components Industries, LLC, 2009
June, 2009 − Rev. 1
The NCP1117LP is the low power version of the popular NCP1117
Internal protection features consist of output current limiting and
Output Current in Excess of 1.0 A
1.4 V Maximum Dropout Voltage at 1 A
Quiescent Current over 10 times Lower than Traditional 1117
Fixed Output Voltages of 1.5 V, 1.8 V, 2.5 V, 3.3 V and 5.0 V
Adjustable Output Voltage Option
No Minimum Load Requirement for Fixed Voltage Output Devices
Good Noise Rejection
Current Limit and Thermal Shutdown Protection
Operation up to 18 V Input
These are Pb−Free Devices
TV and Monitors
Set Top Boxes and Entertainment Devices
Switching Power Supply Post Regulation
Game Consoles and Consumer Applications
Hard Drive Controllers
C
in
= 10 mF
Input
Output Regulator
+
Figure 1. Fixed
3
NCP1117LP
1
2 Output
TYPICAL APPLICATIONS
+
C
out
= 10 mF
C
in
1
= 10 mF
Input
Figure 2. Adjustable
Output Regulator
+
3
NCP1117LP
†For information on tape and reel specifications,
NCP1117LPST15T3G
NCP1117LPST18T3G
NCP1117LPST25T3G
NCP1117LPST33T3G
NCP1117LPST50T3G
NCP1117LPSTADT3G
including part orientation and tape sizes, please
refer to our Tape and Reel Packaging Specification
Brochure, BRD8011/D.
Pin: 1. Adjust/Ground
(Note: Microdot may be in either loca-
tion)
CASE 318H
ST SUFFIX
1
1
SOT−223
Device
2. Output
3. Input
xx
A
Y
W
G
ORDERING INFORMATION
Heatsink tab is connected to Pin 2.
3
2 Output
http://onsemi.com
+
= 15, 18, 25, 33, 50, AD
= Assembly Location
= Year
= Work Week
C
= Pb−Free Package
out
= 10 mF
(Pb−Free)
SOT−223
Package
Publication Order Number:
1
MARKING
DIAGRAM
4
7LPxx G
2
NCP1117LP/D
4000/Tape &
AYW
Shipping
G
Reel
3

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ncp1117lp Summary of contents

Page 1

... A Low-Dropout Positive Fixed and Adjustable Voltage Regulators The NCP1117LP is the low power version of the popular NCP1117 family of low dropout voltage regulators, with reduced quiescent current intended primarily for high volume consumer applications over the 0 to 125 degree temperature range. Capable of providing an output current in excess with a dropout voltage of 1 ...

Page 2

Table 1. PIN FUNCTION DESCRIPTION Pin No. Pin Name 1 Adj (GND) A resistor divider from this pin to the Vout pin and ground sets the output voltage (Ground only for Fixed−Mode). 2 Vout The output of the regulator. A ...

Page 3

Table 3. ELECTRICAL CHARACTERISTICS the operating ambient temperature range that applies unless otherwise noted.) Parameter Reference Voltage, Ad- NCP1117−ADJ justable Output Devices Output Voltage, Fixed NCP1117−1.5 Output Devices NCP1117−1.8 NCP1117−2.5 NCP1117−3.3 NCP1117−5.0 Line Regulation, NCP1117−XXX Adjustable & Fixed (Note 3) ...

Page 4

T , AMBIENT TEMPERATURE (°C) A Figure 4. Dropout Voltage vs. Temperature load 0.100 0.095 0.090 0.085 0.080 0.075 0.070 0.065 0.060 0.055 0.050 ...

Page 5

T , AMBIENT TEMPERATURE (°C) A Figure 10. Quiescent Current vs. Temperature load 100 90 80 Region of Stability 70 ...

Page 6

I 20 out Tantalum out 0 10 Figure 16. Ripple Rejection vs. Frequency − 120 Hz ripple ...

Page 7

TYPICAL CHARACTERISTICS 125 120 115 110 105 100 100 Copper heat spreader area (mm^2) Figure 19. SOT−223 Thermal Resistance and Maximum Power Dissipation vs. P.C.B. Copper Length Power curve with PCB ...

Page 8

... Introduction The NCP1117LP is a low dropout positive fixed or adjustable mode regulator with 1 A output capability. This LDO is guaranteed to have a significant reduction in dropout voltage along with enhanced output voltage accuracy and temperature stability when compared to older industry standard three−terminal adjustable regulators. ...

Page 9

... Protection Diodes The NCP1117LP family has two internal low impedance diode paths that normally do not require protection when used in the typical regulator applications. The first path connects between V and V , and it can withstand a peak out in surge current of about 15 A. Normal cycling of V generate a current surge of this magnitude. Only when V is shorted or crowbarred to ground and C 50 mF, it becomes possible for device damage to occur ...

Page 10

... Resistor R2 sets the maximum output voltage. Each transistor reduces the output voltage when turned on. Figure 26. Digitally Controlled Regulator Output Input 120 mF mF 360 Figure 28. Adjusting Output of Fixed http://onsemi.com 10 Output 3 2 NCP1117LP + 2N2222 Output NCP1117LP 2 Voltage Regulators 10 mF ...

Page 11

... SECTION B−B 0.079 *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 SOT−223 ST SUFFIX CASE 318H−01 ISSUE O 0 ...

Page 12

... N. American Technical Support: 800−282−9855 Toll Free USA/Canada Europe, Middle East and Africa Technical Support: Phone: 421 33 790 2910 Japan Customer Focus Center Phone: 81−3−5773−3850 http://onsemi.com 12 ON Semiconductor Website: www.onsemi.com Order Literature: http://www.onsemi.com/orderlit For additional information, please contact your local Sales Representative NCP1117LP/D ...

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