RT9161 Ver la hoja de datos (PDF) - Richtek Technology
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RT9161 Datasheet PDF : 12 Pages
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RT9161/A
300/500mA Low Dropout Linear Voltage Regulator
General Description
The RT9161/A is a 300/500mA fixed output voltage
low dropout linear regulator. Typical ground current
is approximately 110µA, from zero to maximum
loading conditions. Wide range of available output
voltage fits most of applications. Built-in output
current-limiting most thermal-limiting provide
maximal protection against any fault conditions.
For ease of application, the RT9161/A comes in the
popular 3-pin SOT-89 (300mA), SOT-223 (500mA),
or TO-92 packages.
Applications
Voltage Regulator for LAN Card, CD-ROM, and
DVD
Wireless Communication Systems
Battery Powered Systems
Ordering Information
RT9161/A-
Package type
ZL : TO-92
ZT : TO-92
X : SOT-89
G : SOT-223
V : SOT-23
Operating temperature range
C: Commercial standard
Output voltage
15 : 1.5V
16 : 1.6V
:
500mA output current
300mA output current
Marking Information
For marking information, contact our sales
representative directly or through a RichTek
distributor located in your area, otherwise visit our
website for detail.
Features
Low Dropout Voltage of 200mV at Output
Current 100mA, 450mV at Output Current
300mA, and 750mV at 500mA Output Current
Guaranteed 300/500mA Output Current
Internal 1.5Ω P-MOSFET Draws No Base
Current
Low Ground Current 110µA
2% Accuracy Output Voltage
Input Voltage Range up to 12V
Extremely Tight Load Regulation
Fast Transient Response
Current-limiting and Thermal-limiting
Pin Configurations
Part Number
Pin Configurations
RT9161/A- CZL/T
(Plastic TO-92)
123
TOP VIEW
ZL
ZT
1. VIN 1. GND
2. GND 2. VIN
3. VOUT 3. VOUT
RT9161- CV
(Plastic SOT-23)
3
1
2
TOP VIEW
1. GND
2. VOUT
3. VIN
RT9161/A- CX
(Plastic SOT-89)
TOP VIEW
1. GND
2. VIN (TAB)
1 2 3 3.VOUT
RT9161A- CG
(Plastic SOT-223)
TOP VIEW
1. GND
2.VIN (TAB)
1 2 3 3.VOUT
Typical Application Circuit
VIN
1µF
CI N
+
_
RT9161/A
VIN
VOUT
GND
VOUT
+
_
10µF
CO UT
Electrolytic
DS9161/A-20 November 2002
www.richtek.com
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