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ADP1715:  500 mA Low-Dropout CMOS Linear Regulator with Soft Start

The ADP1715/ADP1716 are low dropout, CMOS linear regulators that operate from 2.5 V to 5.5 V and provide up to 500 mA of output current. Using an advanced proprietary architecture, they provide high power supply rejection and achieve excellent line and load transient response with just a small 2.2 μF ceramic output capacitor.

Three versions of this part are available, one with fixed output ...More

ADP1715:  500 mA Low-Dropout CMOS Linear Regulator with Soft Start

Product Description

The ADP1715/ADP1716 are low dropout, CMOS linear regulators that operate from 2.5 V to 5.5 V and provide up to 500 mA of output current. Using an advanced proprietary architecture, they provide high power supply rejection and achieve excellent line and load transient response with just a small 2.2 μF ceramic output capacitor.

Three versions of this part are available, one with fixed output voltage options and variable soft start (ADP1715), one with adjustable output voltage and fixed soft start (ADP1715 Adjustable), and one with voltage tracking in fixed output voltage options (ADP1716). The fixed output voltage options are internally set to one of sixteen values between 0.75 V and 3.3 V; the adjustable output voltage can be set to any value between 0.8 V and 5.0 V by an external voltage divider connected from OUT to ADJ. The variable soft start uses an external capacitor at SS to control the output voltage ramp. Tracking limits the output voltage to the at-or-below voltage at the TRK pin.

The ADP1715/ADP1716 are available in 8-lead thermally enhanced MSOP packages, making them not only a very compact solution but also providing excellent thermal performance for applications requiring up to 500 mA of output current in a small, low profile footprint.

Applications

  • Notebook computers
  • Memory components
  • Telecommunications equipment
  • Network Equipment
  • DSP/FPGA/µP supplies
  • Instrumentation equipment/data acquisition systems

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    • Maximum output current: 500 mA
    • Input voltage range: 2.5 V to 5.5 V
    • Low shutdown current: <1 μA
    • Low dropout voltage:
      250 mV @ 500 mA load
      50 mV @ 100 mA load
    • Initial accuracy: ±1%
    • Accuracy over line, load, and temperature: ±3%
    • 16 Fixed Output Voltage Options with soft start from 0.75V to 3.3V
    • Adjustable Output Voltage from 0.8V to 5.0V
    • Stable with small 2.2 μF ceramic output capacitor
    • Excellent load/line transient response
    • Current limit & thermal overload protection
    • Logic controlled enable
    • Vout Preset: 16 Presets From 0.75-3.3V
    • Vout Adj Range: 0.8V to 5.0V
    • Vin Range (Vmin to Vmax): 2.5 to 5.5
    • Iout (max): 500mA
    • Supply Current : 650µA
    • Vdropout @ Rated Iout: 50mV to 500mV
    • Vout Total Acc: 2% @ 10 mA - Iout max
    • Package: MSOP-8
    • # of Outputs: 1
    • Line Regulation: 1.1mV/V
    • Load Regulation: 15µV/mA
    • Shutdown: Yes
    • Operating Temp Range: -40 to +125

    Typical Application Circuit Diagram for ADP1715

    类似产品

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    Part# Vout Preset Vout Adj Range Iout (max) Vin Range (Vmin to Vmax) Supply Current Vdropout @ Rated Iout Vout Setpoint Acc Vout Total Acc Shutdown Product Description Pos Supply Operating Temp Range Price* (1000-4999)
    ADP120 16 Presets From 1.2-3.3V n/a 100mA 2.3 to 5.5 35µA 60mV to 80mV 1% @ Iout = 10mA 2% @ 10 mA - Iout max Yes 100 mA, Low Quiescent Current, CMOS Linear Regulator +2.3 to +5.5 -40 to +125 $0.26
    ADP121 16 Presets From 1.2-3.3V n/a 150mA 2.5 to 5.5 40µA 90mV to 120mV 1% @ Iout = 10mA 2% @ 10 mA - Iout max Yes 150 mA, Low Quiescent Current, CMOS Linear Regulator in 5-Lead TSOT +2.3 to +5.5 -40 to +125 $0.27
    ADP130 31 Presets From 0.8-3.0V n/a 350mA 1.2 to 3.6 220µA 70mV 1% @ Iout = 10mA 2% @ 1 mA - Iout max Yes 350 mA, Low VIN, Low Quiescent Current, CMOS Linear Regulator +1.2 to +3.6 -40 to +125 $0.33
    ADP170 31 Presets From 0.8-3.0V n/a 300mA 1.6 to 3.6 260µA 66mV 1% @ Iout = 10mA 2% @ 1 mA - Iout max Yes 300 mA, Low Quiescent Current, Low Dropout, CMOS Linear Regulator +1.6 to +3.6 -40 to +125 $0.33
    ADP1707 16 Presets From 0.75-3.3V, With Tracking n/a 1A 2.5 to 5.5 1.55mA 345mV to 365mV 1% @ Iout = 10mA 1.5% @ 0.1 mA - Iout max Yes 1 A, Low Dropout, CMOS Linear Regulator +2.5 to +5.5 -40 to +125 $1.12
    ADP1708 n/a 0.8V to 5.0V 1A 2.5 to 5.5 1.55mA 345mV to 365mV n/a 1.5% @ 0.1 mA - Iout max Yes 1 A, Low Dropout, CMOS Linear Regulator +2.5 to +5.5 -40 to +125 $1.09
    ADP171 n/a 0.8V to 3.0V 300mA 1.6 to 3.6 260µA 66mV 1% @ Iout = 10mA 2% @ 1 mA - Iout max Yes 300 mA, Low Quiescent Current, Low Dropout, CMOS Linear Regulator +1.6 to +3.6 -40 to +125 $0.33
    ADP1740 7 Presets--0.75 to 2.5V n/a 2A 1.6 to 3.6 1.8mA 350mV 1% @ Iout= 100mA 2% @ 1 mA - Iout max Yes 2 A, Low Dropout, CMOS Linear Regulator +1.6 to +3.6 -40 to +125 $1.20
    ADP1741 n/a 0.75V to 3.0V 2A 1.6 to 3.6 1.8mA 350mV 1% @ Iout= 100mA 2% @ 1 mA - Iout max Yes 2 A, Low Dropout, CMOS Linear Regulator with Adj. Output +1.6 to +3.6 -40 to +125 $1.20
    ADP1752 7 Presets--0.75 to 2.5V n/a 800mA 1.6 to 3.6 1.4mA 140mV 1% @ Iout = 10mA 2% @ 1 mA - Iout max Yes 800mA Low-Vin LDO Regulator +1.6 to +3.6 -40 to +125 $0.90
    ADP1753 n/a 0.75V to 3.0V 800mA 1.6 to 3.6 1.4mA 140mV 1% @ Iout = 10mA 2% @ 1 mA - Iout max Yes 800mA Low-Vin, Adjustable-Vout LDO Regulator +1.6 to +3.6 -40 to +125 $0.90
    ADP1754 7 Presets--0.75 to 2.5V n/a 1.2A 1.6 to 3.6 1.4mA 200mV 1% @ Iout = 10mA 2% @ 1 mA - Iout max Yes 1.2A, Low-Vin, Low Dropout Linear Regulator +1.6 to +3.6 -40 to +125 $0.95
    ADP1755 n/a 0.75V to 3.0V 1.2A 1.6 to 3.6 1.4mA 200mV 1% @ Iout = 10mA 2% @ 10 mA - Iout max Yes 1.2A, Low-Vin, Adjustable-Vout Low Dropout Linear Regulator +1.6 to +3.6 -40 to +125 $0.95
    ADP220 Dual Presets--0.8 to 3.3V n/a 200mA 2.5 to 5.5 220µA 150mV 1% @ Iout = 10mA 2% @ 0.1 mA - Iout max Yes Dual, 200 mA, Low Noise, High PSRR, Low-dropout Linear Voltage Regulator +2.5 to +5.5 -40 to +125 $0.58
    ADP221 Dual Presets--0.8 to 3.3V n/a 200mA 2.5 to 5.5 220µA 150mV 1% @ Iout = 10mA 2% @ 0.1 mA - Iout max Yes Dual, 200 mA, Low Noise, High PSRR, Low-dropout Linear Voltage Regulator w/active pull-down +2.5 to +5.5 -40 to +125 $0.58
    ADP1710 16 Presets From 0.75-3.3V 0.8V to 5.0V 150mA 2.5 to 5.5 1.3mA 150mV to 180mV 1% @ Iout = 1mA 2% @ 0.1 mA - Iout max Yes 150 mA, Low Dropout, CMOS Linear Regulator +2.5 to +5.5 -40 to +125 $0.41
    ADP1711 16 Presets From 0.75-3.3V n/a 150mA 2.5 to 5.5 1.3mA 150mV to 180mV 1% @ Iout = 1mA 2% @ 0.1 mA - Iout max Yes 150 mA, Low Dropout, CMOS, Linear Regulator +2.5 to +5.5 -40 to +125 $0.45
    ADP1712 16 Presets From 0.75-3.3V 0.8V to 5.0V 300mA 2.5 to 5.5 420µA 200mV to 400mV 1% @ Iout = 10mA 2% @ 0.1 mA - Iout max Yes 300 mA, Low Dropout, CMOS, Linear Regulator w/ fixed or adj output voltage +2.5 to +5.5 -40 to +125 $0.47
    ADP1713 16 Presets From 0.75-3.3V n/a 300mA 2.5 to 5.5 420µA 170mV to 200mV 1% @ Iout = 10mA 2% @ 0.1 mA - Iout max Yes 300 mA, Low Dropout, CMOS, Low Noise Linear Regulator +2.5 to +5.5 -40 to +125 $0.49
    ADP1714 16 Presets From 0.75-3.3V n/a 300mA 2.5 to 5.5 420µA 170mV to 200mV 1% @ Iout = 10mA 2% @ 0.1 mA - Iout max Yes 300 mA, Low Dropout, CMOS Linear Regulator w/ External-Voltage Tracking Capability +2.5 to +5.5 -40 to +125 $0.51
    ADP1716 16 Presets From 0.75-3.3V n/a 500mA 2.5 to 5.5 650µA 50mV to 500mV 1% @ Iout = 10mA 2% @ 10 mA - Iout max Yes 500mA Low-Dropout Linear Regulator with Tracking +2.5 to +5.5 -40 to +125 $0.97
    ADP1715 16 Presets From 0.75-3.3V 0.8V to 5.0V 500mA 2.5 to 5.5 650µA 50mV to 500mV 1% @ Iout = 10mA 2% @ 10 mA - Iout max Yes 500 mA Low-Dropout CMOS Linear Regulator with Soft Start +2.5 to +5.5 -40 to +125 $0.83
    ADP3367 1 Preset 5.0V 1.3V to 16V 300mA 2.5 to 16.5 14mA 300mV to 500mV n/a 2% @ 0.1 mA - Iout max Yes Fixed +5V or Adj 1.3V-16V, Low-Dropout Linear Voltage Regulator +2.5 to +16.5 -40 to +85 $1.81
    ADP3334 n/a 1.4V to 10V 500mA 2.6 to 11 10mA 200mV to 400mV n/a 1.8% @ 0.1 mA - Iout max Yes Adjustable 1.5V-10V Output, High Accuracy, Low Iq, 500 mA anyCAP­® Low Dropout Regulator +2.6 to +11 -40 to +85 $0.87
    ADP3331 n/a 1.5V to 11.75V 200mA 2.6 to 12 4mA 140mV to 230mV - 1.4% @ 0.1 mA - Iout max Yes Adjustable 1.5V-10V Output, Ultralow Iq, 200 mA, anyCAP® Low Dropout Regulator in SOT-23 +2.6 to +12 -40 to +85 $0.62
    ADP3333 8 Presets From 1.5-5V n/a 300mA 2.6 to 12 5.5mA 140mV to 230mV n/a 1.8% @ 0.1 mA - Iout max Yes High Accuracy Ultralow Iq, 300 mA, anyCAP® Low Dropout Regulator +2.6 to +12 -25 to +85 $0.83
    ADP3335 10 Presets From 1.8-5V n/a 500mA 2.6 to 12 10mA 200mV to 400mV n/a 1.8% @ 0.1 mA - Iout max Yes High Accuracy, Ultralow Quiescent Current, 500mA, anyCAP® Low Dropout Regulator +2.6 to +12 -40 to +85 $0.91
    ADP3336 n/a 1.5V to 10V 500mA 2.6 to 12 10mA 200mV to 400mV n/a 1.8% @ 0.1 mA - Iout max Yes Small, Adjustable 1.5V-10V Output, 500 mA anyCAP® Low Dropout Regulator +2.6 to +12 -40 to +85 $0.92
    ADP3338 7 Presets From 1.5-5V n/a 1A 2.7 to 8 30mA 190mV to 400mV n/a 1.4% @ 0.1 mA - Iout max No High Accuracy, Ultralow Quiescent Current, 1A, anyCAP™ Low Dropout Regulator +2.7 to +8 -40 to +85 $1.10
    ADP3339 7 Presets From 1.5-5V n/a 1.5A 2.8 to 6 40mA 230mV to 480mV n/a 1.5% @ 0.1 mA - Iout max No High-Accuracy, Ultralow Iq, 1.5 A, anyCAP® Low Dropout Regulator +2.8 to +6 -40 to +85 $1.18
    ADP3309 7 Presets From 2.7-3.6V n/a 100mA 2.8 to 12 2mA 120mV to 240mV - 2.2% @ 0.1 mA - Iout max Yes anyCAP®, 100 mA, Low Dropout Linear Regulator +2.8 to +12 -20 to +85 $0.54
    ADP3330 7 Presets from 2.5-5V n/a 200mA 2.9 to 12 4mA 140mV to 230mV n/a 1.4% @ 0.1 mA - Iout max Yes High Accuracy, Ultralow I(Q), 200 mA, anyCAP® Low Dropout Regulator in SOT23 +2.9 to +12 -40 to +85 $0.62
    ADP3301 5 Presets From 2.7-5V n/a 100mA 3 to12 0.3mA 100mV to 200mV - 1.4% @ 0.1 mA - Iout max Yes High Accuracy, anyCAP®, 100 mA, Low Dropout Linear Regulator +3 to +12 -20 to +85 $1.06
    ADP3303 5 Presets From 2.7-5V n/a 200mA 3.2 to 12 0.4mA 180mV to 400mV - 1.4% @ 0.1 mA - Iout max Yes High Accuracy, anyCAP®, 200 mA, Low Dropout Linear Regulator +3.2 to +12 -20 to +85 $1.11
    ADP667 1 Preset 5.0V 1.3V to 16V 250mA 3.5 to 16.5 20mA 150mVto 250mV n/a 4% Yes Fixed +5V or Adj 1.3V-16V Output, Low-Dropout Linear Voltage Regulator +3.5 to +16.5 -40 to +85 $1.76
    ADP1720 2 Presets 3.3V and 5.0V 1.225V to 5.0V 50mA 4.0 to 28 2.115mA 55mV to 480mV 0.5% @ Iout =0.1 mA 2% @ 0.1 mA - Iout max Yes 50 mA, High-Voltage, Micro-power LDO Linear Regulator in MSOP +4 to +28 -40 to +125 $0.50
    ADP1706 16 Presets From 0.75-3.3V, Soft Start n/a 1A 2.5 to 5.5 1.55mA 345mV to 365mV 1% @ Iout = 10mA 1.5% @ 0.1 mA - Iout max Yes 1 A, Low Dropout, CMOS Linear Regulator +5.5 to +2.5 -40 to +125 $1.09
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