Datasheet LT1962 (Analog Devices) - 10

LT1962 Series
Typical perForMance characTerisTics RMS Output Noise RMS Output Noise Output Noise Spectral Density vs Bypass Capacitor vs Load Current (10Hz to 100kHz)
) 10 160 160 Hz IL = 300mA IL = 300mA COUT = 10µF COUT = 10µF 140 COUT = 10µF 140 CBYP = 0µF f = 10Hz to 100kHz CBYP = 0.01µF LT1962-5 ) 120 ) 120 LT1962-5 C 1 BYP = 1000pF RMS LT1962-5 RMS 100 LT1962-3 100 CBYP = 100pF LT1962 LT1962-3.3 80 LT1962-2.5 80 C 60 LT1962-1.8 60 LT1962 0.1 BYP = 0.01µF LT1962-1.5 OUTPUT NOISE (µV 40 OUTPUT NOISE (µV LT1962 40 LT1962-5 20 20 OUTPUT NOISE SPECTRAL DENSITY (µV/√ LT1962 0.01 0 0 10 100 1k 10k 100k 10 100 1k 10k 0.01 0.1 1 10 100 1000 FREQUENCY (Hz) CBYP (pF) LOAD CURRENT (mA) 1962 G49 1962 G50 1962 G51
LT1962-5 10Hz to 100kHz LT1962-5 10Hz to 100kHz LT1962-5 10Hz to 100kHz Output Noise (CBYP = 0) Output Noise (CBYP = 100pF) Output Noise (CBYP = 1000pF)
VOUT VOUT VOUT 100µV/DIV 100µV/DIV 100µV/DIV 1ms/DIV 1962 G52 COUT = 10µF 1ms/DIV 1962 G53 COUT = 10µF 1ms/DIV 1962 G54 COUT = 10µF IL = 300mA IL = 300mA IL = 300mA
LT1962-5 10Hz to 100kHz Output Noise (CBYP = 0.01µF) LT1962-5 Transient Response LT1962-5 Transient Response
VIN = 6V VIN = 6V 0.4 CIN = 10µF 0.10 CIN = 10µF C C 0.2 OUT = 10µF OUT = 10µF C 0.05 BYP = 0 CBYP = 0.01µF 0 0 VOUT –0.2 –0.05 100µV/DIV DEVIATION (V) OUTPUT VOLTAGE –0.4 OUTPUT VOLTAGE DEVIATION (mV) –0.10 300 300 200 200 1ms/DIV 1962 G55 COUT = 10µF I 100 100 L = 300mA 0 0 LOAD CURRENT (mA) 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 LOAD CURRENT (mA) 0 50 100 150 200 250 300 350 400 450 500 TIME (ms) TIME (µs) 1962 G56 1962 G57 1962fa 1962fb 10 For more information www.linear.com/LT1962 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Electrical Characteristics Pin Configuration Typical Performance Characteristics Pin Functions Applications Information Package Description Revision History Typical Application Related Parts