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LD3985M18R

LDO Regulator Pos 1.8V 0.55A 5-Pin SOT-23 T/R

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LD3985M18R
  • LD3985M18R
Manufacturer:STMicroelectronics
Product Category: Power Management, Voltage Regulators, LDO Voltage Regulators
Avnet Manufacturer Part #: LD3985M18R
Secondary Manufacturer Part#: LD3985M18R
  • Legend Information Icon RoHS 10 Compliant
  • Legend Information Icon Tariff Charges

The LD3985 provides up to 150 mA, from 2.5 V to 6 V input voltage. The ultra low drop voltage, low quiescent current and low noise make it suitable for low power applications and in battery-powered systems. Regulator ground current increases slightly in dropout only, prolonging the battery life. Power supply rejection is better than 60 dB at low frequencies and rolls off at 10 kHz. High power supply rejection is maintained down to low input voltage levels common to battery operated circuits. Shutdown logic control function is available, this means that when the device is used as local regulator, it is possible to put a part of the board in standby, decreasing the total power consumption. The LD3985 is designed to work with low ESR ceramic capacitors. Typical applications are in mobile phones and similar battery-powered wireless systems.

  • Input voltage from 2.5 V to 6 V
  • Stable with low ESR ceramic capacitors
  • Ultra low-dropout voltage (60 mV typ. at 150 mA load, 0.4 mV typ. at 1 mA load)
  • Very low quiescent current (85 µA typ. at no load, 170 µA typ. at 150 mA load; max.1.5 µA in OFF mode)
  • Guaranteed output current up to 150 mA
  • Wide range of output voltage: 1.22 V; 1.8 V; 2.5 V; 2.6 V; 2.7 V; 2.8 V; 2.9 V; 3 V; 3.3 V; 4.7 V
  • Fast turn-on time: typ. 200 µs [CO= 1 µF, CBYP= 10 nF and IO= 1 mA]
  • Logic-controlled electronic shutdown
  • Internal current and thermal limit
  • Output low noise voltage 30 µVRMSover 10 Hz to 100 kHz
  • SVR of 60 dB at 1 kHz, 50 dB at 10 kHz
  • Temperature range: - 40 °C to 125 °C

    • Technical Attributes

    Find Similar Parts

    		 Description Value
    		3 %
    		6 V
    		2.5 V
    		6 to 2.5 V
    		255 °C/W
    		81 °C/W
    		Matte Tin
    		0.1 %/V
    		0.008 %/mA
    		260
    		0.1@150mA V
    		0.15 mA
    		Surface Mount
    		MSL 1 - Unlimited
    		1
    		5
    		1
    		-40 to 125 °C
    		125 °C
    		-40 °C
    		0.55 A
    		Fixed
    		1.8 V
    		5SOT-23
    		5
    		Positive
    		3 x 1.75 x 1.3 mm
    		1.8V 150mA LDO Voltage Regulators
    		Extended
    		SOT-23
    		0.06@150mA V

    ECCN / UNSPSC / COO

    Description Value
    Country of Origin: RECOVERY FEE
    ECCN: EAR99
    HTSN: 8542330001
    Schedule B: 8542330000
    In Stock :  0
    Additional inventory
    Factory Lead Time: 77 Weeks
    Price for: Each
    Quantity:
    Min:3000  Mult:3000  
    USD $:
    3000+
    $0.29028
    6000+
    $0.2888
    12000+
    $0.28731
    18000+
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    24000+
    $0.28435