RT9164 Datasheet PDF - Richtek
| Part Number | RT9164 | |
| Description | 1A Fixed and Adjustable Low Dropout Positive Voltage Regulators | |
| Manufacturers | Richtek | |
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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
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RT9164
Parameter
Symbol
Test Conditions
Min Typ Max Units
RT9164-25
IOUT = 0mA, 4.0V ≤ VIN ≤ 12V
Line Regulation
(Note 2)
RT9164-28
RT9164-33
∆VLINE
IOUT = 0mA, 4.25V ≤ VIN ≤ 12V
IOUT = 0mA, 4.75V ≤ VIN ≤ 12V
RT9164-35
IOUT = 0mA, 5.0V ≤ VIN ≤ 12V
RT9164
(VIN-VOUT) = 3V, 0mA ≤ IOUT ≤ 1A
RT9164-15
VIN = 3.3V, 0 ≤ IOUT ≤ 1A
Load Regulation
(Note 2)
RT9164-18
RT9164-25
RT9164-28
∆VLOAD
VIN = 3.3V, 0 ≤ IOUT ≤ 1A
VIN = 4.0V, 0 ≤ IOUT ≤ 1A
VIN = 4.25V, 0 ≤ IOUT ≤ 1A
RT9164-33
VIN = 4.75V, 0 ≤ IOUT ≤ 1A
RT9164-35
VIN = 5.0V, 0 ≤ IOUT ≤ 1A
IOUT = 100mA
Dropout Voltage (Note 3)
VDROP
IOUT = 500mA
IOUT = 800mA
IOUT = 1000mA
Current Limit
ILIMIT VIN = 5V
Minimum Load Current RT9164
(VIN-VOUT) = 2V
Quiescent Current
RT9164-XX IQ
VIN = 5V
Ripple Rejection
PSRR
fRIPPLE = 120Hz ,
(VIN - VOUT) = 2V, VRIPPLE = 1VP-P
Adjust Pin Current
IADJ
Adjust Pin Current Change
∆IADJ 10mA ≤ IOUT ≤ 1A, VIN = 5V
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
1000
--
--
--
--
--
16
16
16
16
0.2 0.4
1 10
1 10
1 10
1 10
1 10
1 15
1.1 1.2
1.15 1.25
1.2 1.3
1.3 1.4
-- 2000
5 10
5 10
72 --
65 120
0.2 5
mV
mV
mV
mV
%
mV
mV
mV
mV
mV
mV
V
V
V
V
mA
mA
mA
dB
µA
µA
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 sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended
periods may remain possibility to affect device reliability.
Note 2. Low duty cycle pulse testing with Kelvin connections.
Note 3. The dropout voltage is defined as VIN -VOUT, which is measured when VOUT is VOUT(NORMAL) − 100mV.
Note 4. θJA is measured in the natural convection at TA = 25°C on a low effective thermal conductivity test board of
JEDEC 51-3 thermal measurement standard. The case point of θJC is on the center of the exposed pad. The pad size
is 6mm2 on SOT-223 packages, 100mm2 on TO-252 packages, 125mm2 on TO-263 packages.
DS9164-19 March 2005
www.richtek.com
5
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Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for RT9164 electronic component. |
| Information | Total 13 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ RT9164.PDF Datasheet ] | |
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