RT9161-33GV Richtek USA Inc, RT9161-33GV Datasheet

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RT9161-33GV

Manufacturer Part Number
RT9161-33GV
Description
IC REG LDO 3.3V 300MA SOT23-3
Manufacturer
Richtek USA Inc
Datasheet

Specifications of RT9161-33GV

Regulator Topology
Positive Fixed
Voltage - Output
3.3V
Voltage - Input
Up to 12V
Voltage - Dropout (typical)
0.45V @ 300mA
Number Of Regulators
1
Current - Output
300mA (Max)
Current - Limit (min)
350mA
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
TO-236-3, SC-59, SOT-23-3
Lead Free Status / RoHS Status
Lead free / RoHS Compliant

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
RT9161-33GV
Manufacturer:
RICHTEK/立锜
Quantity:
20 000
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-23 (300mA), SOT-89 (300mA), SOT-223
(500mA), or TO-92 packages.
Ordering Information
Note :
Richtek Pb-free and Green products are :
DS9161/A-34 April 2010
RT9161/A-
RoHS compliant and compatible with the current require-
Suitable for use in SnPb or Pb-free soldering processes.
ments of IPC/JEDEC J-STD-020.
Package Type
V : SOT-23-3
X : SOT-89
G : SOT-223
ZL : TO-92 (L-Type)
ZT : TO-92 (T-Type)
Operating Temperature Range
P : Pb Free with Commercial Standard
G : Green (Halogen Free with Commer-
500mA Output Current
300mA Output Current
Output Voltage
15 : 1.5V
16 : 1.6V
49 : 4.9V
50 : 5.0V
:
cial Standard)
Features
Applications
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.
Pin Configurations
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 Ω Ω Ω Ω P-MOSFET Draws No Base Current
Low Ground Current 110μ μ μ μ μ A
2% Accuracy Output Voltage
Input Voltage Range up to 12V
Extremely Tight Load Regulation
Fast Transient Response
Current-limiting and Thermal-limiting
RoHS Compliant and 100% Lead (Pb)-Free
Voltage Regulator for LAN Card, CD-ROM, and DVD
Wireless Communication Systems
Battery Powered Systems
GND
GND
1
SOT-23-3
SOT-223
VIN
3
(TAB)
VIN
2
VOUT
2
VOUT
3
(TOP VIEW)
RT9161/A
GND
1
www.richtek.com
SOT-89
(TAB)
VIN
2
VOUT
3
1

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RT9161-33GV Summary of contents

Page 1

... 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-23 (300mA), SOT-89 (300mA), SOT-223 (500mA), or TO-92 packages. Ordering Information RT9161/A- ...

Page 2

... TO-92 (L-Type) Typical Application Circuit Functional Pin Description Pin Name Pin Function VOUT Output Voltage. GND Ground. VIN Power Input. Function Block Diagram VIN www.richtek.com 2 VOUT GND VIN RT9161/A VIN VOUT GND 1uF Error Amp Current Limiting Sensor Thermal 1.2V Shutdown Reference 3 ...

Page 3

... V LOAD 5V LIM IN OUT 300/500mA DROP 12V STANDBY 25° low A − which is measured when V IN OUT RT9161/A Min Typ − 350 580 500 900 -- 450/750 600/1000 -- 110 effective single layer thermal conductivity test board of − 100mV OUT OUT(NORMAL) Max Unit ...

Page 4

... RT9161/A Typical Operating Characteristics Temperature Stability 3.4 3.2 3 2.8 2.6 2.4 -50 - Temperature Dropout Voltage (V 1 0.8 0.6 0.4 0 100 200 I Load Line Transient Response 10μF Electrolytic OUT 0.1A OUT ≈ 100 0 2 > -100 1 > -200 Time (100μS/Div) Time (100μs/Div) www ...

Page 5

... Frequency (Hz) DS9161/A-34 April 2010 3.3V OUT ≈ 2.5V OUT ≈ 100mA 10mA 10K 100K 1M 10000 100000 1000000 RT9161/A Load Transient Response 150 C = 1μF IN 100 C = 10μF OUT T = 25° > -50 ≈ 200 100 T 1 > 10 -100 Time (100μS/Div) Time (100μ ...

Page 6

... W for − 125°C 25° 175 = 0.571 W for − 125°C 25° 135 = 0.741 W for − 125°C 25° 160 = 0.625 W for J(MAX) . For RT9161/A packages, the Figure 800 SOT-223 package 700 TO-29 package 600 SOT-89 package 500 400 300 ...

Page 7

... Max 3.175 4.191 1.143 1.372 0.406 0.533 0.406 0.533 4.445 5.207 3.429 5.029 4.318 5.334 1.143 1.397 12.700 3-Lead TO-92 Plastic Package RT9161/A A Dimensions In Inches Min Max 0.125 0.165 0.045 0.054 0.016 0.021 0.016 0.021 0.175 0.205 0.135 0.198 0.170 0.210 ...

Page 8

... RT9161/A Symbol www.richtek.com Dimensions In Millimeters Min Max 0.889 1.295 0.000 0.152 1.397 1.803 0.356 0.508 2.591 2.997 2.692 3.099 1.803 2.007 0.080 0.254 0.300 0.610 SOT-23-3 Surface Mount Package H L Dimensions In Inches Min Max 0.035 0.051 0.000 0.006 0.055 0.071 0.014 ...

Page 9

... SOT-89 Surface Mount Package RT9161 Dimensions In Inches Min Max 0.055 0.063 0.014 0.019 0.094 0.102 0.016 0.021 0.155 0.167 0.031 0.047 ...

Page 10

... RT9161/A Symbol Richtek Technology Corporation Headquarter 5F, No. 20, Taiyuen Street, Chupei City Hsinchu, Taiwan, R.O.C. Tel: (8863)5526789 Fax: (8863)5526611 Information that is provided by Richtek Technology Corporation is believed to be accurate and reliable. Richtek reserves the right to make any change in circuit design, specification or other related things if necessary without notice at any time. No third party intellectual property infringement of the applications should be guaranteed by users when integrating Richtek products into any application ...

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