RT9008GE Ver la hoja de datos (PDF) - Richtek Technology
Número de pieza
componentes Descripción
Fabricante
RT9008GE Datasheet PDF : 9 Pages
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RT9008
Test Circuit
VCC
RT9008 SS 4
6 VCC
CCC
1µF/X7R
DRI 5
Chip Enable
1 EN
2 GND
FB 3
VIN
CSS
100pF/
Ceramic
Q1
PHD3055
R1
1k
R2
2k
CIN
100µF/EC
VOUT
COUT
100µF/EC
Figure 1. Typical Test Circuit
VCC
12V
CCC
1µF
RT9008
6 VCC
SS 4
DRI 5
Chip Enable
5V
1 EN
2 GND
FB 3
A
VDRI
CFB
VFB
Figure 2. DRI Source/Sink Current Test Circuit
Functional Pin Description
Pin No. Pin Name
Pin Function
1
EN
Enable Input Pin. (Active High)
2
GND
G roun d.
3
FB
Output Voltage Feedback Reference Input.
4
SS
Soft Start Control.
5
DR I
Driver Output.
6
VCC
Power Supply Input.
Function Block Diagram
EN
SS
GND
Shutdown
Logic
0.8V
Reference
VCC
+
DRI
-
FB
www.richtek.com
2
DS9008-01 April 2011
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