LT1964 Datasheet – 200mA, Negative Micropower Regulator

Part Number: LT1964


200mA / Low Noise / Low Dropout Negative Micropower Regulator in ThinSOT

Manufacturer: Linear Technology

PinoutLT1964 pinout

The LT1964 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.

1. Low Noise: 30μVRMS(10Hz to 100kHz)
2. Low Quiescent Current: 30μA
3. Low Dropout Voltage: 340mV
4. Output Current: 200mA
5. Fixed Output Voltage: –5V
6. Adjustable Output from –1.22V to – 20V
7. Positive or Negative Shutdown Logic
8. 3μA Quiescent Current in Shutdown
9. Stable with 1μF Output Capacitor
10. Stable with Aluminum, Tantalum, or Ceramic Capacitors
11.Thermal Limiting
12.  Low Profi le (1mm) ThinSOT™ and (0.75mm) 8-Pin 3mm ×3mm DFN Packages

Official Homepage:

LT1964 Datasheet

LT1964 Datasheet


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LM337 Datasheet – Adjustable Negative Voltage Regulator – ST

Part Number: LM337, LM337SP

Function : Three-terminal Adjustable Negative Voltage Regulator

Package: TO-220 Package

Manufacturer: STMicroelectronics




The LM137 series are adjustable 3-terminal negative voltage regulators capable of supplying in excess-1.5Aover a -1.2 to -37Voutput voltage range. They are exceptionally easy to use and require only two external resistors to set the output voltage. Further, both line and load regulation are better than standard fixed regulators. Also, LM137 regulators are supplied in standard transistor packages which are easily mounted and handled. In addition to higher performance than fixed regulators, the LM137 series offer full overload protection available only in integrated circuits. Included on the chip are current limit, thermal overload protection and safe area protection. All overload protection circuitry remains fully functional even ifthe adjustment terminal is disconnected.






1. Output voltage adjustable down to VREF

2. 1.5 A guaranteed output current

3. 0.3%/V typical load regulation

4. 0.01%/V typical line regulation

5. Current limit constant with temperature

6. Ripple rejection: 77 dB

7. Standard 3-lead transistor packages

8. Excellent thermal regulation: 0.002%/V

9. 50 ppm/°C temperature coefficient


LM337 Datasheet

LM337 pdf


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