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PDF RT9008 Data sheet ( Hoja de datos )
| Número de pieza | RT9008 | |
| Descripción | Low Dropout Linear Regulator Controller | |
| Fabricantes | Richtek Technology | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de RT9008 (archivo pdf) en la parte inferior de esta página. Total 9 Páginas | ||
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RT9008
Low Dropout Linear Regulator Controller with Soft-Start
General Description
The RT9008 is a wide input range, low dropout voltage
regulator controller with soft-start function. The part drives
an external N-MOSFET and can operate with VCC power
range from 4.5V to 13.5V. With this flexible topology and
wide input voltage range, the RT9008 is suitable for various
applications. The soft-start function can reduce the input
inrush current by adjusting the external capacitor. The
RT9008 uses the small footprint package of the SOT-23-6.
Features
z Programmable Output Voltage
z High Current Driver for High Current FET
z Adjustable Soft Start Time
z High Accuracy ±2% Reference Voltage
z Quick Line and Load Transient Response
z Enable Control
z Small Footprint Package SOT-23-6
z RoHS Compliant and 100% Lead (Pb)-Free
Ordering Information
RT9008
Package Type
E : SOT-23-6
Note :
Lead Plating System
P : Pb Free
G : Green (Halogen Free and Pb Free)
Richtek products are :
` RoHS compliant and compatible with the current require-
ments of IPC/JEDEC J-STD-020.
` Suitable for use in SnPb or Pb-free soldering processes.
Marking Information
For marking information, contact our sales representative
directly or through a Richtek distributor located in your
area.
Applications
z Desktop/Notebook PC
z DSC
z Processor Power Sequencing
Pin Configurations
(TOP VIEW)
VCC DRI SS
654
23
EN GND FB
SOT-23-6
Typical Application Circuit
VCC
VIN
RT9008
6 VCC
SS 4
CCC
DRI 5
Chip Enable
1 EN
2 GND
FB 3
CSS
VOUT = VREF x ( R1 + R2 )
R2
Q1
R1
R2
CIN
VOUT
COUT
DS9008-01 April 2011
www.richtek.com
1
1 page  
Typical Operating Characteristics
Quiescent Current vs. Temperature
0.60
0.50
0.40
0.30
0.20
0.10
0.00
-50
-25
VIN = 1.5V, VCC = 12V
0 25 50 75
Temperature (°C)
100 125
DRI Source Current vs. Temperature
60
55
50
45
40
VFB = 0.6V, VCC = 12V, VDRI = 6V
35
-50 -25 0 25 50 75
Temperature (°C)
100 125
Sink Current vs. DRI Voltage
25
20
15
10
5
VFB = 1V, VCC = 12V
0
0 0.5 1 1.5 2 2.5 3
DRI Voltage (V)
DS9008-01 April 2011
RT9008
Feedback Voltage vs. Temperature
1.00
0.95
0.90
0.85
0.80
0.75
0.70
0.65
0.60
-50
-25
VIN = 1.5V, VCC = 12V
0 25 50 75
Temperature (°C)
100 125
DRI Sink Current vs. Temperature
30
27
24
21
18
15
VFB = 1V, VCC = 12V, VDRI = 6V
12
-50 -25 0 25 50 75
Temperature (°C)
100 125
Source Current vs. DRI Voltage
50
40
30
20
10
VFB = 0.6V, VCC = 12V
0
0246
8
DRI Voltage (V)
10 12
www.richtek.com
5
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet RT9008.PDF ] | |
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