200mA, Low Noise, Low Dropout Negative Micropower Regulator


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Overview of LT1964ES5-BYP#TRPBF

LT®1964 is a micropower low noise, low dropout negative regulator. The device is capable of supplying 200mA of output current with a dropout voltage of 340mV. Low quiescent current (30µA operating and 3µA shutdown) makes the LT1964 an excellent choice for battery-powered applications. Quiescent current is well controlled in dropout. Other features of the LT1964 include low output noise. With the addition of an external 0.01µF bypass capacitor, output noise is reduced to 30µVRMS over a 10Hz to 100kHz bandwidth. The LT1964 is capable of operating with small capacitors and is stable with output capacitors as low as 1µF. Small ceramic capacitors can be used without the necessary addition of ESR as is common with other regulators. Internal protection circuitry includes reverse output protection, current limiting, and thermal limiting. The device is available with a fixed output voltage of -5V and as an adjustable device with a -1.22V reference voltage.


Key Features

  • Adjustable output voltage from -1.22V to -20V
  • Positive or negative shutdown logic
  • Stable with aluminium, tantalum, or ceramic capacitor
  • 5-lead plastic SOT-23 package
  • Temperature range from -40°C to 125°C


The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Source Content uid LT1964ES5-BYP#TRPBF Pbfree Code No
Rohs Code Yes Part Life Cycle Code Active
Ihs Manufacturer ANALOG DEVICES INC Package Description VSSOP,
Pin Count 5 Manufacturer Package Code 05-08-1635
Reach Compliance Code compliant Samacsys Manufacturer Analog Devices
Dropout Voltage1-Max 0.49 V JESD-30 Code R-PDSO-G5
JESD-609 Code e3 Length 2.9 mm
Moisture Sensitivity Level 1 Number of Functions 1
Number of Terminals 5 Operating Temperature TJ-Max 125 °C
Operating Temperature TJ-Min -40 °C Output Current1-Max 0.2 A
Output Voltage1-Max 20 V Output Voltage1-Min 1.22 V
Package Body Material PLASTIC/EPOXY Package Code VSSOP
Packing Method TR Peak Reflow Temperature (Cel) 260
Qualification Status Not Qualified Regulator Type ADJUSTABLE NEGATIVE SINGLE OUTPUT LDO REGULATOR
Seated Height-Max 1 mm Surface Mount YES
Terminal Finish MATTE TIN Terminal Form GULL WING
Terminal Pitch 0.95 mm Terminal Position DUAL
Time@Peak Reflow Temperature-Max (s) 30 Width 1.625 mm
Manufacturer Analog Devices Inc. Product Category LDO Voltage Regulators
RoHS Details Mounting Style SMD/SMT
Package / Case SOT-23-5 Output Voltage - 1.22 V to - 20 V
Output Current 200 mA Number of Outputs 1 Output
Polarity Negative Quiescent Current 30 uA
Input Voltage, Min - 20 V Input Voltage, Max 20 V
PSRR / Ripple Rejection - Typ 54 dB Output Type Adjustable
Minimum Operating Temperature - 40 C Maximum Operating Temperature + 125 C
Dropout Voltage 340 mV Series LT1964
Brand Analog Devices Dropout Voltage - Max 420 mV
Ib - Input Bias Current 30 nA Line Regulation 1 mV
Load Regulation 2 mV Operating Supply Current 30 uA
Output Voltage Range - 1.22 V to - 20 V Product LDO Voltage Regulators
Product Type LDO Voltage Regulators Reference Voltage - 1.22 V
Factory Pack Quantity 2500 Subcategory PMIC - Power Management ICs
Type Low Dropout Micropower Regulator

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