RT9164AGL Richtek USA Inc, RT9164AGL Datasheet

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RT9164AGL

Manufacturer Part Number
RT9164AGL
Description
IC REG LDO ADJ 1A TO252
Manufacturer
Richtek USA Inc
Datasheet

Specifications of RT9164AGL

Regulator Topology
Positive Adjustable
Voltage - Output
Adj to 1.25V
Voltage - Input
3 V ~ 14 V
Voltage - Dropout (typical)
1.3V @ 1A
Number Of Regulators
1
Current - Output
1A (Max)
Current - Limit (min)
1A
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
TO-252-3, DPak (2 Leads + Tab), SC-63
Lead Free Status / RoHS Status
Lead free / RoHS Compliant

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
RT9164AGL
Manufacturer:
RICHTEK
Quantity:
25 000
Part Number:
RT9164AGL
Manufacturer:
RICHTEK/立锜
Quantity:
20 000
1A Fixed and Adjustable Low Dropout Positive Voltage
Regulators
General Description
The RT9164A series of high performance positive voltage
regulators is designed for applications requiring low dropout
performance at fully rated current. Additionally, the RT9164A
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 RT9164A 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
Note :
RichTek Pb-free and Green products are :
DS9164A-14 April 2010
RT9164A-
RoHS compliant and compatible with the current require-
Suitable for use in SnPb or Pb-free soldering processes.
100%matte tin (Sn) plating.
ments of IPC/JEDEC J-STD-020.
Package Type
G : SOT-223
L : TO-252
LR : TO-252 (R-Type)
M : TO-263
Operating Temperature Range
P : Pb Free with Commercial Standard
G : Green (Halogen Free with Commer-
Output Voltage
Default : Adjustable
15 : 1.5V
18 : 1.8V
25 : 2.5V
28 : 2.85V
30 : 3.0V
33 : 3.3V
35 : 3.5V
cial Standard)
Features
Applications
Pin ConFigurations
Low Dropout Performance,
Full Current Rating Over Line and Temperature
Fast Transient Response
±
1.5V, 1.8V, 2.5V, 2.85V, 3.0V, 3.3V, and 3.5V Fixed
Adjustable Output Voltage
SOT-223, TO-252, and TO-263 Packages
RoHS Compliant and 100% Lead (Pb)-Free
Active SCSI Termination
Low Voltage Microcontrollers
Switching Power Supply Post-Regulator
2% Output Voltage Accuracy
TO-252 (R-Type)
(TOP VIEW)
TO-263
SOT-223
TO-252
3
2
1
3
2
1
3
2
1
3
2
1
1.4V Max
VOUT (TAB)
VOUT (TAB)
ADJ/GND (TAB)
VIN
ADJ/GND
RT9164A
VIN
ADJ/GND
VIN
VOUT
VIN
ADJ/GND
www.richtek.com
VOUT (TAB)
1

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RT9164AGL Summary of contents

Page 1

Fixed and Adjustable Low Dropout Positive Voltage Regulators General Description The RT9164A series of high performance positive voltage regulators is designed for applications requiring low dropout performance at fully rated current. Additionally, the RT9164A series provides excellent regulation over ...

Page 2

RT9164A Typical Application Circuit www.richtek.com 2 RT9164A VIN VOUT ADJ 10uF I ADJ (1) C needed if device is far from filter capacitors. IN (2) C required for stability. ...

Page 3

Function Block Diagram Functional Pin Description Pin Name Pin Function ADJ/GND Adjust Output or Ground. VOUT Output Voltage. VIN Power Input. DS9164A-14 April 2010 Current LIMIT Limiting Amplifier SENSE Thermal Overload Voltage Regulation Amplifer V RT9164A VIN S.O.A. VOUT ADJ/GND ...

Page 4

RT9164A Absolute Maximum Ratings Supply Input Voltage -------------------------------------------------------------------------------------------------------- 15V Power Dissipation 25° SOT-223 ----------------------------------------------------------------------------------------------------------------------- 0.740W TO-252 ------------------------------------------------------------------------------------------------------------------------- 1.471 W TO-263 ------------------------------------------------------------------------------------------------------------------------- 2.222W°C Package Thermal Resistance (Note 2) SOT-223, θ ------------------------------------------------------------------------------------------------------------------ 135°C/W JA SOT-223, θ ...

Page 5

Parameter RT9164A -33 Output Voltage (Note 5) RT9164A -35 RT9164A RT9164A -15 RT9164A -18 Line Regulation RT9164A -25 (Note 5) RT9164A -28 RT9164A -30 RT9164A -33 RT9164A -35 RT9164A RT9164A -15 RT9164A -18 RT9164A -25 Load Regulation (Note 5) RT9164A ...

Page 6

RT9164A Note 1. Stresses listed as the above “Absolute Maximum Ratings” may cause permanent damage to the device. These are for stress ratings. Functional operation of the device at these or any other conditions beyond those indicated in the operational ...

Page 7

Typical Operating Characteristics Output Voltage vs. Temperature 3 3.3V OUT 3 2 2.5V OUT 2.2 1 1.5V OUT 1.4 -50 - Temperature ADJ Pin Current vs. Temperature ...

Page 8

RT9164A Dropout Voltage vs 2.5V OUT 1.2 1.1 1.0 0.9 0.8 0 0.3 0.6 Load Current (A) Line Transient Response - Time (10us/Div) Line Transient Response ...

Page 9

Load Transient Response 300 V = 3.3V 1.5V IN OUT 10uF Tantalum 200 IN O Preload = 0.1A 100 0 -100 Time (10us/Div) Load Transient Response 300 V = 5V, V ...

Page 10

RT9164A Application Information Output voltage adjustment Like most regulators, the RT9164A regulates the output by comparing the output voltage to an internally generated reference voltage. On the adjustable version as shown in Figure 4, the V is available externally as ...

Page 11

RT9164A VIN VOUT V IN ADJ Figure 6. Best Load Regulation Using Adjustable Output Regulator Thermal Protection RT9164A has thermal protection which limits junction temperature to 150°C. However, device functionality is only guaranteed to a maximum junction temperature of 125°C. ...

Page 12

RT9164A Outline Dimension Symbol www.richtek.com 12 Dimensions In Millimeters Min Max 1.400 1.800 0.020 0.100 0.600 0.840 3.300 3.700 6.700 7.300 6.300 6.700 2.900 3.100 2.300 0.230 0.350 1.500 ...

Page 13

A Symbol DS9164A-14 April 2010 Dimensions In Millimeters Min Max 2.184 ...

Page 14

RT9164A 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 ...

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