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  Richtek Technology Electronic Components Datasheet  

RT9164 Datasheet

1A Fixed and Adjustable Low Dropout Positive Voltage Regulators

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RT9164
1A Fixed and Adjustable Low Dropout
Positive Voltage Regulators
General Description
Features
The RT9164 series of high performance positive voltage
regulators is designed for applications requiring low dropout
performance at fully rated current. Additionally, the RT9164
series provides excellent regulation over variations in line
and load. Outstanding features include low dropout
performance at rated current, fast transient response,
internal current-limiting, and thermal-shutdown protection
of the output device. The RT9164 series of three terminal
regulators offers fixed and adjustable voltage options
available in space-saving SOT-223, TO-252, and TO-263
packages.
Ordering Information
z Low Dropout Performance, 1.4V Max.
z Full Current Rating Over Line and Temperature
z Fast Transient Response
z ± 2% Output Voltage Accuracy
z 1.5V, 1.8V, 2.5V, 2.85V, 3.3V, and 3.5V Fixed/
Adjustable Output Voltage
z SOT-223, TO-252, and TO-263 Packages
z RoHS Compliant and 100% Lead (Pb)-Free
Applications
z Active SCSI Termination
z Low Voltage Microcontrollers
z Switching Power Supply Post-Regulator
RT9164-
Pin Configurations
Package Type
G : SOT-223
L: TO-252
LR: TO-252 (R-Type)
M : TO-263
(TOP VIEW)
Note :
Operating Temperature Range
C : Commercial Standard
P : Pb Free with Commercial Standard
Output Voltage
15 : 1.5V
18 : 1.8V
25 : 2.5V
28 : 2.85V
33 : 3.3V
35 : 3.5V
123
ADJ/GND VOUT VIN
(TAB)
RT9164- CG
SOT-223
12 3
VOUT
(TAB)
ADJ/GND
VIN
RT9164- CL
TO-252
RichTek Pb-free 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.
100%matte tin (Sn) plating.
12 3
ADJ/
GND
VIN (TAB) VOUT
RT9164- CLR
TO-252
R-Type
1 23
ADJ/GND VOUT VIN
(TAB)
RT9164- CM
TO-263
DS9164-19 March 2005
www.richtek.com
1


  Richtek Technology Electronic Components Datasheet  

RT9164 Datasheet

1A Fixed and Adjustable Low Dropout Positive Voltage Regulators

No Preview Available !

RT9164
Typical Application Circuit
VIN = 5V
CIN
10uF
RT9164
VIN VOUT
ADJ
VREF
R1
133
1%
IADJ
R2
232
1%
VOUT = 3.45V
COUT
10uF
Tantalum
VOUT
=
VREF(1+
R2
R1
)+IADJ
R2
(1) CIN needed if device is far from filter capacitors.
(2) COUT required for stability.
Figure 1. Adjustable Voltage Regulator
VIN = 5V
CIN
10uF
RT9164-33
VIN VOUT
GND
IQ
VOUT
3.3V
COUT
10uF
Tantalum
(1) CIN needed if device is far from filter capacitors.
(2) COUT required for stability.
Figure 2. Active SCSI Bus Terminator
RT9164-28
VIN VOUT
GND
CIN
10uF
COUT
22uF
18 - 27 Lines
Figure 3. Fixed Voltage Regulator
www.richtek.com
2
DS9164-19 March 2005


Part Number RT9164
Description 1A Fixed and Adjustable Low Dropout Positive Voltage Regulators
Maker Richtek
PDF Download

RT9164 Datasheet PDF






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