Diodes Incorporated — Analog and discrete power solutions
SOT25

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U DFN2020 6 Type F

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AP7335A-50

300MA, Low Quiescent Current, Fast Transient Low Dropout Linear Regulator

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Description

The AP7335A-50 is a 300mA, 5.0V fixed output voltage, low-dropout linear regulator with ±1% output voltage accuracy. The device includes pass element, error amplifier, band-gap, current limit and thermal shutdown circuitry. The device is turned on when EN pin is set to logic high level.

The characteristics of low-dropout voltage and low-quiescent current make it suitable for low-power applications, for example, battery powered devices. The typical quiescent current is 35μA. Built-in, current-limit and thermal-shutdown functions prevent IC from damage in fault conditions.

This device is only available as a 5.0V fixed version. Please contact your local sales office for any other voltage options.

The AP7335A-50 is packaged in SOT25 and U-DFN2020-6.

Feature(s)

  • Smartphones
  • MP3/MP4s
  • Battery-Powered Devices
  • Bluetooth Headsets
  • Battery Chargers
  • TVs
  • Multifunction Monitors

Application(s)

  • 300mA Low Dropout Regulator with EN
  • Very Low IQ 35µA
  • Fixed Output at 5.0V
    • VIN(MIN) 5.5V
  • High PSRR: 65dB at 1kHz
  • Fast Start-up Time 220µs
  • Stable with Low ESR, 1µF Ceramic Output Capacitor
  • Excellent Load/Line Transient Response
  • Low Dropout 150mV at 300mA
  • Current Limit and Short Circuit Protection
  • Thermal Shutdown Protection
  • Ambient Temperature Range -40ºC to +85°C
  • SOT25, and U-DFN2020-6 Available in “Green” Molding Compound (No Br, Sb)

Product Specifications

Product Parameters

Iq (max) (µA) 80
Iq (typ) (µA) 35
AEC Qualified No
Compliance (Only Automotive supports PPAP) Standard
Type LDO
Output options Fixed
Iout (A) 0.3
Vin (Max) (V) 6
Vin (Min) (V) 5.5
Vout (min) 5
Vout (max) 3.3
Fixed Vout (V) 5
Accuracy 25C 1
VDROPOUT (Max) (V) at Max Current and Max Ouput Voltage 0.2
PSRR (dB) 1kHz 65
Operating Temperature (Ambient) (°C) -40 to 85
Enable Active Yes (High)
Channels 1
Output Discharge No
Power Good No
Reverse Protection No
VCTL Function No

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Technical Documents

Recommended Soldering Techniques

TN1.pdf