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What is RT9033?

This electronic component, produced by the manufacturer "Richtek", performs the same function as "3A Adjustable Output Voltage LDO Regulator".


RT9033 Datasheet PDF - Richtek

Part Number RT9033
Description 3A Adjustable Output Voltage LDO Regulator
Manufacturers Richtek 
Logo Richtek Logo 


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RT9033
3A Adjustable Output Voltage LDO Regulator
General Description
The RT9033 is a low dropout linear regulator designed for
high output current applications with critical performance.
The IC responds very fast to step changes in load, which
is suitable for low voltage microprocessor applications.
The RT9033 uses an internal P-MOSFET as the pass
device, which does not cause extra GND current in heavy
load and dropout condition. The shutdown mode of low
operation current makes the IC suitable for power-saving
systems.
The RT9033 also works well with low-ESR ceramic
capacitors, reducing the amount of board space necessary
for power applications and consumes less than 1μA in
shutdown mode. The other features include ultra low dropout
voltage, high output accuracy, current limiting protection
and over temperature protection. The RT9033 is available
in the TO-263-5 package.
Ordering Information
RT9033
Package Type
M5 : TO-263-5
Lead Plating System
G : Green (Halogen Free and Pb Free)
Note :
Richtek 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.
Typical Application Circuit
Features
z High Current Capability : 3A
z Low Dropout : 350mV at 3A
z Low Ground Current : 250μA
z Adjustable Output Voltage
z Extremely Low Output Capacitor Requirement
z Internal Over Current Protection
z Internal Over Temperature Protection
z RoHS Compliant and Halogen Free
Applications
z Battery-Powered Equipment
z High Efficiency GreenComputer Systems
z Automotive Electronics
z High Efficiency Linear Lower Supplies
z High Efficiency Lost-Regulator for Switching Supply
Pin Configurations
(TOP VIEW)
12 345
TO-263-5
Note
:
VOUT
=
VREF
x
(1+
R1
R2
)
VIN
CIN
10µF
Chip Enable
VIN VOUT
RT9033
ADJ
EN
GND
VOUT
COUT
R1 10µF
R2
DS9033-01 April 2011
www.richtek.com
1

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RT9033 equivalent
RT9033
Typical Operating Characteristics
CIN = COUT = 10uF/X7R, R1 = R2 = 130kΩ, unless otherwise specified.
Output Voltage vs. Temperature
2.70
VIN = 3.3V, IOUT = 0mA, VOUT = 2.5V
2.65
Quiescent Current vs. Temperature
350
VIN = 2.5V, VOUT = 1.24V
325
2.60 300
2.55 275
2.50 250
2.45 225
2.40 200
2.35 175
2.30
-50
-25
0 25 50 75 100 125
Temperature (°C)
150
-50
-25
0 25 50 75
Temperature (°C)
100 125
Reference Voltage vs. Temperature
1.35
VIN = 2.5V, VOUT = 1.24V
1.33
1.30
1.28
1.25
1.23
1.20
1.18
1.15
-50
-25
0 25 50 75 100 125
Temperature (°C)
Current Limit vs. Temperature
4.5 VIN = 3.3V, VOUT = 2.5V
4.0
3.5
3.0
2.5
2.0
-50
-25
0 25 50 75
Temperature (°C)
100 125
En Pin Threshold Voltage vs. Temperature
1.5 VIN = 3.3V, VOUT = 2.5V
1.3
1.1
0.9 Rising
0.7 Falling
0.5
-50
-25
0 25 50 75
Temperature (°C)
100 125
Dropout Voltage vs. Load Current
600 VOUT = 3.3V
500
400
TJ = 125°C
300
TJ = 25°C
200
TJ = 40°C
100
0
0 05.050 10100 1510.50 20200 225.050 30300
LoLoaaddCCuurrrerennt t(m(AA))
DS9033-01 April 2011
www.richtek.com
5


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Part Details

On this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for RT9033 electronic component.


Information Total 9 Pages
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