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AP7342 Datasheet

DUAL 150mA HIGH PSRR LOW NOISE LDO

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AP7342
DUAL 150mA HIGH PSRR LOW NOISE LDO WITH ENABLE
Description
The AP7342 is a dual low dropout regulator with high output voltage
accuracy, low RDSON, high PSRR, low output noise and low quiescent
current. This regulator is based on a CMOS process.
Pin Assignments
Each regulator includes a voltage reference, error amplifier, current
limit circuit and an enable input to turn on/off output. With the
integrated resistor network, fixed output voltage versions can be
delivered.
With its low power consumption and line and load transient response,
the AP7342 is well suited for low power handheld communication
equipment.
The AP7342 is packaged in X2-DFN1212-6 package and allows for
smallest footprint and dense PCB layout.
Features
Low VIN and Wide VIN Range: 1.7V to 5.25V
Guarantee Output Current: 150mA
VOUT Accuracy ±1%
Ripple Rejection: 75dB at 1kHz
Low Output Noise: 60µVrms from 10Hz to 100kHz
Quiescent Current as Low as 35µA
VOUT Fixed 1.2V to 3.6V
Totally Lead-Free & and Fully RoHS Compliant (Notes 1 & 2)
Halogen and Antimony Free, Green Device (Note 3)
Applications
Smart Phone/PAD
RF Supply
Cameras
Portable Video
Portable Media Player
Wireless Adapter
Wireless Communication
Notes:
1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant.
2. See http://www.diodes.com/quality/lead_free.html for more information about Diodes Incorporated’s definitions of Halogen- and Antimony-free, "Green"
and Lead-free.
3. Halogen- and Antimony-free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and
<1000ppm antimony compounds.
Typical Applications Circuit
AP7342
Document number: DS37614 Rev. 2 - 2
1 of 14
www.diodes.com
March 2015
© Diodes Incorporated


Diodes Semiconductor Electronic Components Datasheet

AP7342 Datasheet

DUAL 150mA HIGH PSRR LOW NOISE LDO

No Preview Available !

Pin Descriptions
Pin Number
1
2
3
4
5
6
AP7342
Pin Name
VOUT1
VOUT2
GND
EN2
VIN
EN1
Thermal PAD
Function
Channel 1 Output Voltage Pin
Channel 2 Output Voltage Pin
Ground
Chanel 2 Enable Pin
This pin should be driven either high or low and must not be floating. Driving this pin high
enables channel 2 output, while pulling it low puts Chanel 2 regulator into shutdown
mode.
Power Input Pin
Chanel 1 Enable Pin
This pin should be driven either high or low and must not be floating. Driving this pin high
enables channel 1 output, while pulling it low puts Chanel 1 regulator into shutdown
mode.
In PCB layout, it is preferred to use large copper area to cover this pad for better thermal
dissipation, then connect this area to GND or leave it open. However, do not use it as
GND electrode function alone.
Functional Block Diagram
AP7342 (No Discharge)
AP7342 (With Discharge)
AP7342
Document number: DS37614 Rev. 2 - 2
2 of 14
www.diodes.com
March 2015
© Diodes Incorporated


Part Number AP7342
Description DUAL 150mA HIGH PSRR LOW NOISE LDO
Maker Diodes
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AP7342 Datasheet PDF






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