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PDF NCV8675 Data sheet ( Hoja de datos )
| Número de pieza | NCV8675 | |
| Descripción | 350 mA Very Low Iq Low Dropout Linear Regulator | |
| Fabricantes | ON Semiconductor | |
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NCV8675
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350 mA Very Low Iq Low
Dropout Linear Regulator
with Reset and Reset Delay
The NCV8675 is a precision 5.0 V and 3.3 V fixed output, low
dropout integrated voltage regulator with an output current capability
of 350 mA. Careful management of light load current consumption,
combined with a low leakage process, achieve a typical quiescent
ground current of 34 mA.
NCV8675 is pin for pin compatible with NCV4275 and it could
replace this part when very low quiescent current is required.
The output voltage is accurate within ±2.0%, and maximum dropout
voltage is 600 mV at full rated load current.
It is internally protected against input transients, input supply
reversal, output overcurrent faults, and excess die temperature. No
external components are required to enable these features.
Features
•ă5 V and 3.3 V Fixed Output (2.5 V Version Available Upon Request)
•ă±2.0% Output Accuracy, Over Full Temperature Range
•ă34 mA Typical Quiescent Current at IOUT = 100 mA, 50 mA
Maximum up to 85°C
•ă600 mV Maximum Dropout Voltage at 350 mA Load Current
•ăWide Input Voltage Operating Range of 5.5 V to 45 V
•ăInternal Fault Protection
♦ă-42 V Reverse Voltage
♦ăShort Circuit/Overcurrent
♦ăThermal Overload
•ăAEC-Q100 Qualified
•ăEMC Compliant
•ăNCV Prefix for Automotive and Other Applications Requiring Site
and Control Changes
•ăThese are Pb-Free Devices
IN OUT
Bandgap
Reference
Thermal
Shutdown
D
Error
Amplifier
+
-
Current Limit and
Saturation Sense
Reset
Generator
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MARKING
DIAGRAM
1
5
D2PAK 5
DS SUFFIX
CASE 936A
NC
V8675-xx
AWLYWWG
1
Pin 1. I
2. RO
Tab, 3. GND*
4. D
5. Q
* Tab is connected to
Pin 3 on all packages
xx = 50 (5.0 V Version)
= 33 (3.3 V Version)
A = Assembly Location
WL = Wafer Lot
Y = Year
WW = Work Week
G = Pb-Free Package
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 14 of this data sheet.
Figure 1. Block Diagram
GND
RO
©Ă Semiconductor Components Industries, LLC, 2007
December, 2007 - Rev. 3
1
Publication Order Number:
NCV8675/D
1 page  
NCV8675
TYPICAL CHARACTERISTIC CURVES - 5 V Version
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5
Load = 50 mA
4
3
2
1
0
0 10 20 30 40 50
INPUT VOLTAGE (V)
Figure 8. NCV8675 Quiescent Current vs.
Input Voltage (5 V Version)
0.07
0.06
0.05
0.04
0.03
0.02
0.01
0
-50
Vin = 13.5 V
Load = 100 mA
0 50 100 150
TEMPERATURE (°C)
Figure 9. NCV8675 Quiescent Current vs.
Temperature (5 V Version)
6
5
4
3
2
1
Vin =6.0 V
0
0 100 200 300 400 500
OUTPUT LOAD (mA)
Figure 10. NCV8675 Output Voltage vs. Output
Load (5 V Version)
Figure 12. Reset vs. Output Voltage
(Vin Falling) (5 V Version)
Figure 11. Reset vs. Output Voltage
(Vin Rising) (5 V Version)
80
70
60
50
40
30
20 Iout = 100 mA
Vin = 13.5 V
10 TA = 25°C
0 Cout = 22 mF
10 100
1000
FREQUENCY (Hz)
10k
100k
Figure 13. Power Supply Rejection Ratio
(5 V Version)
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5
5 Page 
VI
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VOUT
VD
Reset
Delay Time
VRO
Reset
Reaction
Time
NCV8675
t
< Reset Reaction Time
VOUT,rt
t
dVD
dt
+
ResetĂChargeĂCurrent
CD
Upper Timing Threshold VDU
Lower Timing Threshold VDL
t
Power-on-Reset
Thermal
Shutdown
Voltage Dip
at Input
Undervoltage
Secondary
Spike
Figure 35. Reset Timing
Overload
at Output
t
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11
11 Page | ||
| Páginas | Total 15 Páginas | |
| PDF Descargar | [ Datasheet NCV8675.PDF ] | |
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