ncp630 ON Semiconductor, ncp630 Datasheet

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ncp630

Manufacturer Part Number
ncp630
Description
3.0 A Fast Linear Voltage Regulators
Manufacturer
ON Semiconductor
Datasheet

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NCP630
3.0 A Fast Linear Voltage
Regulators
capable of providing a guaranteed output current of 3.0 A with a
maximum dropout voltage of 1.25 V at 3.0 A over temperature. The
fast turn on time allows step changes in loads commonly found in low
voltage microprocessor applications. The NCP630 is currently offered
as an adjustable output version that can be programmed down to 1.2 V
with two external resistors and as a fixed output version at 3.47 V. On
chip trimming adjusts the reference/output voltage to within "1.5%
accuracy. Internal protection features consist of output current limiting
and thermal shutdown. NCP630 is available in D
Features
Applications
INPUT
© Semiconductor Components Industries, LLC, 2005
June, 2005 − Rev. 5
R2 + R1
The NCP630 is a low dropout positive voltage regulator that is
68 mF −
Output Current of 3.0 A
1.25 V Maximum Dropout Voltage at 3.0 A Over Temperature
Voltage on Shutdown Pin is TTL Compatible
Reference/Output Voltage Trimmed to "1.5%
Current Limit Protection
Thermal Shutdown Protection
−40°C to 125°C Junction Temperature Range
Pb−Free Packages are Available
Microprocessor Power Supplies
DSP Power Supplies
SMPS Post Regulation
Battery Chargers
Figure 1. Typical Application Circuit for NCP630A
C
in
+
1.216
V out
Shutdown
* 1
V
in
NCP630A
GND
ADJ
V
out
R2
R1
10 kW
+
2
PAK package.
Co
33 mF
V
@ 3 A
out
1
Figure 2. Typical Application Circuit for NCP630G
INPUT
68 mF −
C
in
+
See detailed ordering and shipping information in the package
dimensions section on page 9 of this data sheet.
1
Shutdown
Tab = Ground
Pin 1. Shutdown
5
NCP630A
ORDERING INFORMATION
2. V
3. Ground
4. V
5. Adj
x
A
WL = Wafer Lot
Y
WW = Work Week
G
out
http://onsemi.com
in
V
in
= Specific Device Code
= Assembly Location
= Year
= Pb−Free Package
NCP630G
D2T SUFFIX
CASE 936A
GND
D
SENSE
2
PAK
Publication Order Number:
V
out
Tab = Ground
Pin 1. Shutdown
NCP630G
2. V
3. Ground
4. V
5. Sense
MARKING
DIAGRAM
+
AWLYWWG
P630xD2T
out
in
NCP630/D
Co
33 mF
V
@ 3 A
NC
out

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ncp630 Summary of contents

Page 1

... NCP630 3.0 A Fast Linear Voltage Regulators The NCP630 is a low dropout positive voltage regulator that is capable of providing a guaranteed output current of 3.0 A with a maximum dropout voltage of 1. 3.0 A over temperature. The fast turn on time allows step changes in loads commonly found in low voltage microprocessor applications. The NCP630 is currently offered as an adjustable output version that can be programmed down to 1 ...

Page 2

... NCP630G Shutdown This input is used to place the NCP630 into shutdown mode. The NCP630 is active when a voltage greater than 2 applied. The NCP630 will be placed into a shutdown mode when a voltage less than 0 applied. If left unused then connect the pin high. V ...

Page 3

... Typical numbers are included in the specification for line and load regulation. adj 5. The short circuit limit is for device protection. Maximum output current is guaranteed to be greater or equal to 3.0 A with a 6.0 A typical as listed in the peak output limit specification. NCP630 = ...

Page 4

... Typical numbers are included in the specification for line and load regulation. out 8. The short circuit limit is for device protection. Maximum output current is guaranteed to be greater or equal to 3.0 A with a 5.0 A typical as listed in the peak output limit specification. NCP630 = ...

Page 5

... OUT −60 −40 − AMBIENT TEMPERATURE (°C) A Figure 7. Ground Pin Current in Shutdown Mode versus Temperature NCP630 TYPICAL CHARACTERISTICS 100 120 −40 − Figure 4. Short Circuit Current Limit versus 1.8 1 ...

Page 6

... 1 OUT − Tantalum C OUT 1 = 100 OUT 0.8 0.6 0.4 0.2 0 0.01 0 FREQUENCY (kHz) Figure 9. Output Noise Density NCP630 TYPICAL CHARACTERISTICS 120 100 3. OUT 100 mF Electrolytic C OUT OUT 0 10 100 0.01 Figure 10. Ripple Rejection http://onsemi.com ...

Page 7

... The placement of a ceramic capacitor in parallel is not recommend due to possible instabilities. Sense Pin The sense pin of the NCP630G will need to be connected near the output voltage. This provides great advantages when the linear regulator can’t be near the load. The sense pin will monitor the load and allow the linear regulator to adjust for losses in the line between itself and the load ...

Page 8

... Leads 2 D PAK 5 9.2 mm 0.30 $ 0.05 R 0.3 MAX 0.70 Max 20° Max B 0 9.00 2.40 11.15 Max 4. SECTION B−B NOTES PITCHES CUMULATIVE TOTAL ±0.2 mm NCP630 Package Package Reel Width Thickness Quantity 10 mm 4.4 mm 800 ∅ 1.55 ±0.05 2.0 ±0.1 4.0 ±0.1 See Note #2 16.00 = 10.60 ±0. 16.50 ±0. 4.90 ±0. ...

Page 9

... ORDERING INFORMATION Output Voltage Device NCP630AD2T NCP630AD2TG NCP630AD2TR4 NCP630AD2TR4G NCP630GD2T NCP630GD2TG NCP630GD2TR4 NCP630GD2TR4G NCP630 Nominal Package 2 Adj D PAK 2 D PAK Adj (Pb−Free) 2 Adj D PAK 2 D PAK Adj (Pb−Free) 2 3.47 D PAK 2 D PAK 3.47 (Pb−Free) 2 3.47 D PAK 2 D PAK 3.47 (Pb−Free) http://onsemi.com 9 Shipping ...

Page 10

... P 0.058 0.078 1.473 1.981 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: http://onsemi.com Order Literature: http://www.onsemi.com/litorder For additional information, please contact your local Sales Representative. NCP630/D ...

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