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  Richtek Technology Electronic Components Datasheet  

RT9032 Datasheet

Programmable Dual Output Linear Regulator

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®
RT9032
Programmable Dual Output Linear Regulator
General Description
Features
The RT9032 is a dual channels, low noise and low dropout
Wide Operating Voltage Ranges : 2.5V to 5.5V
voltage regulator souring up to 300mA at each channel.
Dual LDO Output
The output voltage range is from 1.1V to 3.3V by operating
Pin Programmable Output Voltage
voltage range from 2.5V to 5.5V.
Low-Noise for RF Application
The output voltages of the RT9032 can be programmed by
setting the voltage of P1 and P2. There are 9 different
voltage settings in one chip. User can choose output
voltages easily by setting P1, P2 to VDD, GND or floating.
The RT9032 offers 3% accuracy, low dropout (330mV
@300mA) and extremely low ground current, only 32μA
per LDO. The shutdown current is near to zero current
which is suitable for battery-powered device. Other
features include current limiting, over temperature
protection and output short circuit protection.
No Noise Bypass Capacitor Required
Fast Response in Line/Load Transient
Low Quiescent Current of 32μA/LDO
3% High Output Accuracy
Current Limiting Protection
Thermal Shutdown Protection
Short Circuit Protection
Tiny WDFN-8L 2x2 and WQFN-8L 1.6x1.6 (COL)
Packages
RoHS Compliant and Halogen Free
The RT9032 can operate stable with very small ceramic
output capacitors, reducing required board space and
Applications
Mobile Phone
component cost. The RT9032 is available in WDFN-8L
Smart Hand-Held Devices
2x2 and WQFN-8L 1.6x1.6 (COL) packages.
Digital Still Camera
Battery-Powered Equipments
Ordering Information
PCMCIA Cards
RT9032
Package Type
QW : WDFN-8L 2x2 (W-Type)
QWA : WQFN-8L 1.6x1.6 (COL) (W-Type)
Lead Plating System
G : Green (Halogen Free and Pb Free)
Pin Configurations
(TOP VIEW)
VIN 1
EN1 2
P2 3
P1 4
8 VOUT1
7 VOUT2
6 GND
9 5 EN2
Note :
Output Voltage
A : Combination A
B : Combination B
C : Combination C
D : Combination D
J : Combination J
Richtek products are :
` RoHS compliant and compatible with the current require-
WDFN-8L 2x2
VOUT1
8
VIN 1
7 VOUT2
EN1 2
6 P2
EN2 3
5 GND
4
P1
WQFN-8L 1.6x1.6 (COL)
ments of IPC/JEDEC J-STD-020.
` Suitable for use in SnPb or Pb-free soldering processes.
Marking Information
For marking information, contact our sales representative
directly or through a Richtek distributor located in your
area.
Copyright ©2012 Richtek Technology Corporation. All rights reserved.
DS9032-03 August 2012
is a registered trademark of Richtek Technology Corporation.
www.richtek.com
1


  Richtek Technology Electronic Components Datasheet  

RT9032 Datasheet

Programmable Dual Output Linear Regulator

No Preview Available !

RT9032
Typical Application Circuit
VIN
CIN
1µF
Chip Enable
RT9032
VIN VOUT1
P1
P2
EN1
VOUT2
EN2 GND
COUT1 VOUT1
1µF
COUT2 VOUT2
1µF
Table for Programmable Output Voltage Setting
Combination A (RT9032A)
P1 State
L
L
L
H
H
H
Open
Open
Open
P2 State
L
H
Open
L
H
Open
L
H
Open
VOUT1
1.5V
1.8V
1.8V
1.8V
1.8V
2.7V
2.8V
2.9V
2.8V
VOUT2
2.8V
2.9V
2.8V
2.7V
2.6V
2.8V
2.8V
2.9V
3.3V
Combination C (RT9032C)
P1 State
L
L
L
H
H
H
Open
Open
Open
P2 State
L
H
Open
L
H
Open
L
H
Open
VOUT1
1.8V
1.8V
1.8V
1.85V
2.6V
2.6V
2.85V
3V
3.3V
VOUT2
2.8V
2.85V
3V
2.85V
2.7V
3.3V
3.3V
3.3V
3.3V
Combination B (RT9032B)
P1 State
L
L
L
H
H
H
Open
Open
Open
P2 State
L
H
Open
L
H
Open
L
H
Open
VOUT1
1.2V
1.5V
1.5V
1.8V
1.8V
2.8V
2.8V
3V
3.3V
VOUT2
2.8V
1.8V
2.8V
2.6V
2.8V
2.8V
3.3V
3.3V
3.3V
Combination D (RT9032D)
P1 State
L
L
L
H
H
H
Open
Open
Open
P2 State
L
H
Open
L
H
Open
L
H
Open
VOUT1
1.8V
2.6V
1.8V
2.9V
2.8V
2.8V
1.8V
1.8V
1.5V
VOUT2
2.9V
2.8V
2.8V
2.9V
3.3V
2.8V
2.6V
2.7V
2.8V
Copyright ©2012 Richtek Technology Corporation. All rights reserved.
www.richtek.com
2
is a registered trademark of Richtek Technology Corporation.
DS9032-03 August 2012


Part Number RT9032
Description Programmable Dual Output Linear Regulator
Maker Richtek
PDF Download

RT9032 Datasheet PDF






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