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PDF NCP102 Data sheet ( Hoja de datos )
| Número de pieza | NCP102 | |
| Descripción | Low Dropout Linear Regulator Controller | |
| Fabricantes | ON Semiconductor | |
| Logotipo |  |
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NCP102
www.DataSheet4U.com
Low Dropout Linear
Regulator Controller
The NCP102 is a low dropout linear regulator controller for
applications requiring high-current and ultra low dropout voltages.
The use of an external N-Channel MOSFET allows the user to adapt
the device to a multitude of applications depending on system
requirements for current and dropout voltage.
An extremely accurate 0.8 V (±2%) reference allows the
implementation of sub 1 V voltage supplies. The reference is
guaranteed over the complete supply and temperature ranges.
Other features of the NCP102 are a dedicated enable input,
internally compensated error amplifier and an adjustable soft-start. A
minimum drive capability of ±5 mA provides fast transient response.
The drive current is internally limited to protect the controller in case
of an external MOSFET failure. The NCP102 is packaged in a space
saving TSOP-6.
Features
•ă4.5 V to 13.5 V Supply Voltage Range
•ă0.8 V (±2%) Voltage Reference (Temperature and Process)
•ăProgrammable Regulator Output Voltage Down to 0.8 V
•ăDrive Current Capability of > ±5ĂmA
•ăMLCC and POSCAP Compatible
•ăProgrammable Soft-Start
•ăEnable Active High
•ăSpace Saving TSOP-6 Package
•ăRoHS Compliant Pb-Free Package
http://onsemi.com
MARKING
DIAGRAM
TSOP-6
6
(SOT23-6)
102AYW G
SN SUFFIX
G
1
CASE 318G
1
102 = Device Code
A = Assembly Location
Y = Year
W = Work Week
G = Pb-Free Package
(Note: Microdot may be in either location)
PIN CONNECTIONS
EN 1
GND 2
6 VCC
5 DRV
FB 3
4 SOFT-S
Applications
•ăDesktop and Laptops
•ăComputer Peripherals such as Graphics Cards
•ăSub 1 V Power Supplies
CHIP
ENABLE 1
2
3
EN
GND
FB
U1
NCP102
VCC
DRV
SOFT-S
VCC
6
CCC
5
RG
4
CSOFT-S
CFB
Vin
X1
R1
(Top View)
ORDERING INFORMATION
Device
Package
Shipping†
NCP102SNT1G TSOP-6 3000/Tape & Reel
(Pb-Free)
Cin
VOUT
†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.
COUT1
COUT2
Figure 1. Typical Application
R2
©Ă Semiconductor Components Industries, LLC, 2008
January, 2008 - Rev. 1
1
Publication Order Number:
NCP102/D
1 page  
NCP102
TYPICAL CHARACTERISTICS
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3.00
2.75
2.50
2.25
2.00
1.75
1.50
1.25
1.00
0.75
0.50
0.25
0
-50
VCC = 12 V
Operating
Standby
-25 0 25 50 75 100 125
TJ, JUNCTION TEMPERATURE (°C)
Figure 3. Supply Current vs. Junction
Temperature
150
4.5
4.4
4.3
4.2
4.1
4.0
3.9
3.8
3.7
3.6
3.5
-50
Start-up Threshold
Minimum Operating
-25 0 25 50 75 100 125
TJ, JUNCTION TEMPERATURE (°C)
Figure 4. Supply Voltage Thresholds vs.
Junction Temperature
150
80 180
70
60
Gain
Phase
TJ = 25°C
VCC = 5 V
144
108
50 72
40 36
30 0
20 -36
10 -72
0 -108
-10
-20
0.1
1
-144
-180
10 100 1000
f, FREQUENCY (kHz)
Figure 5. Error Amplifier Open Loop Voltage
Gain/Phase vs. Frequency
100
90
80
70 VCC = 12 V, VDRV = 6 V, VFB = 1 V
60
50
40
30
20 VCC = 5 V, VDRV = 2.5 V, VFB = 1 V
10
0
-50 -25
0
25 50 75 100 125 150
TJ, JUNCTION TEMPERATURE (°C)
Figure 6. Drive Sink Current vs. Junction
Temperature
30
28
25 VCC = 12 V, VFB = 0.6 V
23
20 VCC = 5 V, VFB = 0.6 V
18
15
13
10
8
5
3
0
-50 -25
0
25 50 75 100 125 150
TJ, JUNCTION TEMPERATURE (°C)
Figure 7. Drive Source Current vs. Junction
Temperature
40
37
34
31 VDRV = 0 V, VFB = 0.6 V
28
25
22
19
16
13 VDRV = open, VFB = 0.6 V
10
-50 -25
0
25 50 75 100 125 150
TJ, JUNCTION TEMPERATURE (°C)
Figure 8. Drive Current Under Fault Conditions
vs. Junction Temperature
http://onsemi.com
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| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet NCP102.PDF ] | |
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