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RT9008 Datasheet(PDF) 2 Page - Richtek Technology Corporation

Part # RT9008
Description  Low Dropout Linear Regulator Controller with Soft-Start
PDF  9 Pages
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Manufacturer  RICHTEK [Richtek Technology Corporation]
Direct Link  http://www.richtek.com
Logo RICHTEK - Richtek Technology Corporation

RT9008 Datasheet(HTML) 2 Page - Richtek Technology Corporation

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RT9008
2
DS9008-01 April 2011
www.richtek.com
Function Block Diagram
Functional Pin Description
Pin No.
Pin N ame
Pin Function
1
EN
Enable Input Pin. (Active High)
2
GND
Ground.
3
FB
Output Voltage Feedback Reference Input.
4
SS
Soft Start Control.
5
DR I
D river Output.
6
VCC
Power Supply Input.
+
-
Shutdown
Logic
0.8V
Reference
GND
FB
SS
DRI
VCC
EN
Test Circuit
VCC
EN
SS
DRI
FB
GND
RT9008
CCC
VCC
4
2
3
5
6
1
Chip Enable
1µF
CFB
VFB
A
VDRI
5V
12V
Figure 1. Typical Test Circuit
Figure 2. DRI Source/Sink Current Test Circuit
VCC
EN
SS
DRI
FB
GND
RT9008
R1
R2
COUT
VIN
CCC
CSS
VCC
CIN
4
23
5
6
1
Chip Enable
VOUT
Q1
1µF/X7R
100µF/EC
100µF/EC
1k
2k
100pF/
Ceramic
PHD3055



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