LT1964ES5-BYP#PBF

Product Summary

The LT1964ES5-BYP#PBF is a Low Dropout Negative Micropower Regulator. The LT1964ES5-BYP#PBF 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 LT1964ES5-BYP#PBF an excellent choice for battery-powered applications. Quiescent current is well controlled in dropout. Other features of the LT1964ES5-BYP#PBF 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 LT1964ES5-BYP#PBF 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. The LT1964ES5-BYP#PBF regulators are available in a low profile (1mm) ThinSOT and the low profile (0.75mm) 8-pin (3mm × 3mm) DFN packages. The applications of the LT1964ES5-BYP#PBF include Battery-Powered Instruments, Low Noise Regulator for Noise-Sensitive Instrumentation and Negative Complement to LT1761 Family of Positive LDOs.

Parametrics

LT1964ES5-BYP#PBF absolute maximum ratings: (1)IN Pin Voltage: ±20V; (2)OUT Pin Voltage (Note 11): ±20V; (3)OUT to IN Differential Voltage (Note 11): –0.5V, 20V; (4)ADJ Pin Voltage (with Respect to IN Pin) (Note 11): –0.5V, 20V; (5)BYP Pin Voltage (with Respect to IN Pin): ±20V; (6)SHDN Pin Voltage (with Respect to IN Pin) (Note 11): –0.5V, 35V; (7)SHDN Pin Voltage (with Respect to GND Pin): –20V, 15V; (8)Output Short-Circuit Duration: Indefinite; (9)Operating Junction Temperature (E, I Grade) Range (Note 10): – 40℃ to 125℃; (10)Storage Temperature Range: –65℃ to 150℃; (11)Lead Temperature (Soldering, 10 sec) SOT-23 Package: 300℃.

Features

LT1964ES5-BYP#PBF features: (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 Profile (1mm) ThinSOT. and (0.75mm) 8-Pin 3mm × 3mm DFN Packages.

Diagrams