AP7343
300mA HIGH PSRR LOW NOISE LDO WITH ENABLE
Description
Pin Assignments
The AP7343 is a low dropout regulator with high output voltage
accuracy, low RDS(ON), high PSRR, low output noise, and low
(Top View)
(Bottom View)
quiescent current. This regulator is based on a CMOS process.
The AP7343 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.
EP
With its low power consumption and line and load transient response,
the AP7343 is well suited for low-power handheld communication
equipment.
X2-DFN1010-4 (Type B)
PIN1 – VOUT, PIN2 – GND, PIN3 – EN, PIN4 – VIN
The AP7343 is packaged in the X2-DFN1010-4 (Type B) and SOT25
packages, allowing for the smallest footprint and a dense PCB layout.
(Top View)
VIN 1
5 VOUT
GND 2
EN 3
4 NC
SOT25
Applications
Features
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Low VIN and Wide VIN Range: 1.7V to 5.25V
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Guarantee Output Current: 300mA
VOUT Accuracy ±1%
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Ripple Rejection 75dB at 1kHz
Low Output Noise, 60µVrms from 10Hz to 100kHz
Quiescent Current as Low as 35µA
VOUT Fixed 0.9V to 3.6V
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Moisture Sensitivity: Level 1 Per J-STD-020
Terminals:
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SOT25: Finish - Matte Tin Plated Leads, Solderable per
MIL-STD-202, Method 208
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X2-DFN1010-4 (Type B): Finish - NiPdAu over Copper
Leads, Solderable per MIL-STD-202, Method 208
Weight:
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SOT25: 0.016 grams (Approximate)
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X2-DFN1010-4 (Type B): 0.001 grams (Approximate)
Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
Halogen- and Antimony-Free. “Green” Device (Note 3)
For automotive applications requiring specific change
control (i.e. parts qualified to AEC-Q100/101/200, PPAP
capable, and manufactured in IATF 16949 certified facilities),
please contact us or your local Diodes representative.
https://www.diodes.com/quality/product-definitions/
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Notes:
AP7343
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Smart Phone/Tablet
RF Supply
Cameras
Portable Video
Portable Media Player
Wireless Adapter
Wireless Communication
1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS), 2011/65/EU (RoHS 2) & 2015/863/EU (RoHS 3) compliant.
2. See https://www.diodes.com/quality/lead-free/ 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
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