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Linear Regulator. RT9069 Datasheet

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Linear Regulator. RT9069 Datasheet
















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Part

RT9069

Description

Low Dropout Voltage Linear Regulator



Feature


RT9069 36V, 2A IQ, Peak 200mA Low Dr opout Voltage Linear Regulator General Description The RT9069 is a low-dropou t (LDO) voltage regulators with enable function offering the benefits of high input voltage, low-dropout voltage, low -power consumption, and miniaturized pa ckaging. The features of low quiescent current as low as 2A and zero disabl e current is ideal for.
Manufacture

Richtek

Datasheet
Download RT9069 Datasheet


Richtek RT9069

RT9069; powering the battery equipment to a lon ger service life. The RT9069 is stable with the ceramic output capacitor over its wide input range from 3.5V to 36V a nd the entire range of output load curr ent. Applications  Portable, Battery Powered Equipments  Extra Low Volta ge Microcontrollers  Notebook Comput ers Marking Information For marking inf ormation, contact our sa.


Richtek RT9069

les representative directly or through a Richtek distributor located in your ar ea. Note : Richtek products are :  R oHS compliant and compatible with the c urrent requirements of IPC/JEDEC J-STD- 020.  Suitable for use in SnPb or Pb -free soldering processes. Features 2A Ground Current at no Load  2% Output Accuracy  100mA Continuou s Output Current  Zero Disable.


Richtek RT9069

Current  Maximum Operating Input Vol tage 36V  Dropout Voltage: 0.2V at 1 0mA/ VIN 5V  Support Fixed Output Vo ltage 2.5V, 3V, 3.3V, 5V, 9V, 12V  S table with Ceramic or Tantalum Capacito r  Current Limit Protection  Over -Temperature Protection  RoHS Compli ant and Halogen Free Ordering Informati on RT9069- Package Type SP : SOP-8 (Exp osed Pad-Option 1) B : SOT-23-5 .





Part

RT9069

Description

Low Dropout Voltage Linear Regulator



Feature


RT9069 36V, 2A IQ, Peak 200mA Low Dr opout Voltage Linear Regulator General Description The RT9069 is a low-dropou t (LDO) voltage regulators with enable function offering the benefits of high input voltage, low-dropout voltage, low -power consumption, and miniaturized pa ckaging. The features of low quiescent current as low as 2A and zero disabl e current is ideal for.
Manufacture

Richtek

Datasheet
Download RT9069 Datasheet




 RT9069
RT9069
36V, 2A IQ, Peak 200mA Low Dropout Voltage Linear
Regulator
General Description
The RT9069 is a low-dropout (LDO) voltage regulators
with enable function offering the benefits of high input
voltage, low-dropout voltage, low-power consumption,
and miniaturized packaging.
The features of low quiescent current as low as 2A
and zero disable current is ideal for powering the
battery equipment to a longer service life. The RT9069
is stable with the ceramic output capacitor over its wide
input range from 3.5V to 36V and the entire range of
output load current.
Applications
Portable, Battery Powered Equipments
Extra Low Voltage Microcontrollers
Notebook Computers
Marking Information
For marking information, contact our sales representative
directly or through a Richtek distributor located in your
area.
Note :
Richtek products are :
RoHS compliant and compatible with the current
requirements of IPC/JEDEC J-STD-020.
Suitable for use in SnPb or Pb-free soldering processes.
Features
2A Ground Current at no Load
±2% Output Accuracy
100mA Continuous Output Current
Zero Disable Current
Maximum Operating Input Voltage 36V
Dropout Voltage: 0.2V at 10mA/ VIN 5V
Support Fixed Output Voltage 2.5V, 3V, 3.3V, 5V,
9V, 12V
Stable with Ceramic or Tantalum Capacitor
Current Limit Protection
Over-Temperature Protection
RoHS Compliant and Halogen Free
Ordering Information
RT9069-
Package Type
SP : SOP-8 (Exposed Pad-Option 1)
B : SOT-23-5
X5 : SOT-89-5
QU : UDFN-6L 1.6x1.6 (U-type)
Lead Plating System
G : Green (Halogen Free and Pb Free)
Output Voltage
25 : 2.5V
30 : 3V
33 : 3.3V
50 : 5V
90: 9V
C0: 12V
Special Request: Any Voltage
between 2.5V and 12V under
specific business agreement
Simplified Application Circuit
EN
VCC
CIN
RT9069
EN
VCC
VOUT
GND
VOUT
COUT
Copyright © 2018 Richtek Technology Corporation. All rights reserved.
DS9069-09 November 2018
is a registered trademark of Richtek Technology Corporation.
www.richtek.com
1




 RT9069
RT9069
Pin Configuration
VCC
NC
VOUT
NC
8
2
7
GND
3
6
9
4
5
EN
GND
NC
NC
SOP-8 (Exposed Pad)
(TOP VIEW)
VOUT
EN
5
4
2
3
VCC GND NC
SOT-23-5
VCC
NC
5
4
1
2
3
VOUT GND EN
SOT-89-5
VCC 1
NC 2
VOUT 3
6 GND
5 NC
7 4 EN
UDFN-6L 1.6x1.6
Functional Pin Description
Pin No.
SOP-8
(Exposed Pad)
SOT-23-5
SOT-89-5
UDFN-6L
1.6x1.6
Pin Name
Pin Function
1
1
5
1
VCC
Supply voltage input.
2, 4, 5, 6
3
4
2, 5
NC
No internal connection.
3
5
1
3
VOUT Output of the regulator.
7,
9 (Exposed Pad)
2
2
6,
7 (Exposed Pad)
GND
Ground. The exposed pad must be
soldered to a large PCB and connected
to GND for maximum thermal dissipation.
8
4
3
4
EN
Enable control input.
Copyright © 2018 Richtek Technology Corporation. All rights reserved.
www.richtek.com
2
is a registered trademark of Richtek Technology Corporation.
DS9069-09 November 2018




 RT9069
Functional Block Diagram
VCC
Current/Thermal
Sense
GND
Band gap
EN
Reference
-
+
RT9069
VOUT
R1
R2
Operation
Basic Operation
The RT9069 is a high input voltage linear regulator
designed especially for low external component
systems. The input voltage range is from 3.5V to 36V.
The minimum required output capacitance for stable
operation is 1F effective capacitance after consideration
of the temperature and voltage coefficient of the capacitor.
Output Transistor
The RT9069 builds in a P-MOSFET output transistor
which provides a low switch-on resistance for low
dropout voltage applications.
Error Amplifier
The Error Amplifier compares the internal reference
voltage with the output feedback voltage from the
internal divider, and controls the Gate voltage of
P-MOSFET to support good line regulation and load
regulation at output voltage.
Enable
The RT9069 delivers the output power when it is set to
enable state. When it works in disable state, there is no
output power and the operation quiescent current is
zero.
Current Limit Protection
The RT9069 provides current limit function to prevent
the device from damages during over-load or
shorted-circuit conditions. This current is detected by
an internal sensing transistor.
Over-Temperature Protection
The over-temperature protection function turns off the
P-MOSFET when the junction temperature exceeds
150C (typ.) and the output current exceeds 4mA.
Once the junction temperature cools down by
approximately 20C, the regulator automatically
resumes operation.
Copyright © 2018 Richtek Technology Corporation. All rights reserved.
DS9069-09 November 2018
is a registered trademark of Richtek Technology Corporation.
www.richtek.com
3




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