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AP7340 Datasheet

150mA HIGH PSRR LOW NOISE LDO

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AP7340
150mA HIGH PSRR LOW NOISE LDO WITH ENABLE
Description
The AP7340 is 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.
The AP7340 includes a voltage reference, error amplifier, current limit
circuit and an enable input to turn it on and off. With the integrated
resistor network fixed output voltage versions can be delivered.
With its low power consumption and line and load transient response
the AP7340 is well suited for low power handheld communication
equipment.
The AP7340 is packaged in a X2-DFN1010-4 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, 60uVrms from 10Hz to 100kHz
Quiescent current as low as 35µA
VOUT fixed 1.2V to 3.3V
Totally Lead-Free & and Fully RoHS Compliant (Note 1)
Halogen and Antimony Free, Green Device (Note 2)
Pin Assignments
PIN1 – VOUT, PIN2 – GND, PIN3 – EN, PIN4 – VIN
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
Figure 1 Typical Application Circuit
AP7340
Document number: DS35282 Rev. 2 - 2
1 of 15
www.diodes.com
October 2013
© Diodes Incorporated
Free Datasheet http://www.datasheet4u.com/


Diodes Semiconductor Electronic Components Datasheet

AP7340 Datasheet

150mA HIGH PSRR LOW NOISE LDO

No Preview Available !

AP7340
Pin Descriptions
Pin Name
VOUT
GND
EN
PIN No
X2-DFN1010-4
1
2
3
VIN 4
Thermal PAD
Function
Power Output Pin
Ground
Enable pin. This pin should be driven either high or low and must not be floating. Driving this pin
high enables the regulator, while pulling it low puts the regulator into shutdown mode
Power Input pin
In PCB layout, prefer 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
AP7340 (Non discharge)
AP7340D (with discharge)
Absolute Maximum Ratings (Note 4) (@TA = +25°C, unless otherwise specified.)
Symbol
VIN
VCE
VOUT
IOUT
PD
TA
TSTG
Parameter
Input Voltage
Input Voltage EN
Output Voltage
Output Current
Power Dissipation
Operating Temperature
Storage Temperature
Ratings
6.0
6.0
-0.3 to VIN +0.3
300
400
-40 to +85
-55 to +125
Unit
V
V
V
mA
mW
°C
°C
Note:
4. a). Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings only and
functional operation of the device at these conditions is not implied. Exposure to absolute-maximum-rated conditions for extended periods may
affect device reliability.
b). Ratings apply to ambient temperature at 25°C . The JEDEC High-K board design used to derive this data was a 2 inch x 2 inch multilayer board
with 1-ounce internal power and ground planes and 2-ounce copper traces on the top and bottom of the board.
Recommended Operating Conditions (@TA = +25°C, unless otherwise specified.)
Symbol
VIN
IOUT
TA
Parameter
Input Voltage
Output Current
Operating Ambient Temperature
Min Max Unit
1.7 5.25
V
0 150 mA
-40 +85
°C
AP7340
Document number: DS35282 Rev. 2 - 2
2 of 15
www.diodes.com
October 2013
© Diodes Incorporated
Free Datasheet http://www.datasheet4u.com/


Part Number AP7340
Description 150mA HIGH PSRR LOW NOISE LDO
Maker Diodes
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