Datasheet LT3090 (Analog Devices) - 9

LT3090
Typical perForMance characTerisTics TJ = 25°C, unless otherwise noted. Output Noise: 10Hz to 100kHz Output Noise: 10Hz to 100kHz Load Transient Response, –3VOUT
ILOAD 300mA/DIV VOUT VOUT 1mV/DIV 100µV/DIV ∆VOUT 100mV/DIV 1ms/DIV 3090 G37 1ms/DIV 3090 G38 20µs/DIV 3090 G39 VIN: –3.5V VIN: –3.5V ILOAD: 20mA TO 600mA COUT: 4.7µF,
CSET: 20pF
COUT: 4.7µF,
CSET: 0.1µF
COUT: 4.7µF, CSET: 0.1µF VOUT: –2V VOUT: –2V VOUT: –3V IL: 600mA IL: 600mA VIN = –4V, SHDN = IN
Slow Input Supply Ramp-Up and Line Transient Response Ramp-Down
0V V V IN OUT 500mV/DIV 1V/DIV ∆VOUT 50mV/DIV VIN 1V/DIV 5µs/DIV 3090 G40 50ms/DIV 3090 G41 VIN: –5V TO –4V VIN: –5V TO 0V COUT: 4.7µF, CSET: 0.1µF COUT: 4.7µF, CSET: 0.1µF VOUT: –3V VOUT: –3V TO 0V IL: 600mA, SHDN = IN IL: 600mA, SHDN = IN
Fast Input Supply Start-Up Fast Input Supply Start-Up
0V 0V VIN VIN 2V/DIV 2V/DIV 0V 0V VOUT VOUT 1V/DIV 1V/DIV 20µs/DIV 3090 G42 5ms/DIV 3090 G43 VIN: 0V TO –5V VIN: 0V TO –5V COUT: 4.7µF, CSET: 100pF COUT: 4.7µF, CSET: 0.1µF VOUT: 0V TO –3V VOUT: 0V TO –3V IL: 600mA, SHDN = IN IL: 600mA, SHDN = IN 3090fa For more information www.linear.com/LT3090 9