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RT9164C-33GQW 数据手册 - Richtek（立锜）
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Richtek（立锜）
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稳压芯片
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WDFN
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RT9164C-33GQW数据手册
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RT9164C
2
DS9164C-03 April 2011
www.richtek.com
Figure 2. Fixed Voltage Regulator
Function Block Diagram
Functional Pin Description
Pin Name Pin Function
ADJ/GND Adjust Output or Ground.
VOUT Output Voltage.
VIN Power Input.
Typical Application Circuit
Figure 1. Adjustable Voltage Regulator
Current
Limiting
Amplifier
Thermal Overload
Voltage
Regulation
Amplifer
V
REF
S.O.A.
VIN
VOUT
ADJ/GND
LIMIT
SENSE
V
IN
= 5V
VIN VOUT
ADJ
RT9164C
R1
133
R2
232
+
+
C
IN
10uF
C
OUT
10uF
Tantalum
1%
1%
I
ADJ
V
REF
V
OUT
= 3.45V
(1) C
IN
needed if device is far from filter capacitors.
(2) C
OUT
required for stability.
V
OUT
= V
REF
(1+ )+I
ADJ
R
2
R
1
R
2
VIN VOUT
GND
RT9164C-33
+
+
10uF
10uF
Tantalum
V
IN
= 5V
V
OUT
= 3.3V
C
IN
C
OUT
(1) C
IN
needed if device is far from filter capacitors.
(2) C
OUT
required for stability.
I
Q
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