Datasheet LT1086 (Analog Devices) - 6

LT1086 Series
W U TYPICAL PERFORMANCE CHARACTERISTICS LT1086-5 Ripple Rejection LT1086-12 Ripple Rejection vs Current LT1086-12 Ripple Rejection vs Current
100 80 100 VRIPPLE ≤ 3VP-P VRIPPLE ≤ 0.5VP-P 90 70 90 f 80 R = 120Hz V 80 RIPPLE ≤ 3VP-P 60 fR = 120Hz 70 (VIN – VOUT) ≥ 3V 70 VRIPPLE ≤ 3VP-P 60 fR = 20kHz 50 60 VRIPPLE ≤ 0.5VP-P 50 40 50 fR = 20kHz (V V IN – VOUT) ≥ VDROPOUT RIPPLE ≤ 0.5VP-P 40 40 30 30 RIPPLE REJECTION (dB) 30 RIPPLE REJECTION (dB) 20 RIPPLE REJECTION (dB) 20 VOUT = 5V 20 VOUT = 5V C 10 10 ADJ = 25µF CADJ = 25µF C 10 OUT = 25µF I C OUT = 1.5A OUT = 25µF 0 0 0 0 0.25 0.5 0.75 1.0 1.25 1.5 10 100 1k 10k 100k 0 0.25 0.5 0.75 1.0 1.25 1.5 OUTPUT CURRENT (A) FREQUENCY (Hz) OUTPUT CURRENT (A) LT1086 • TPC10 LT1086 • TPC11 LT1086 • TPC12
LT1086 Line Transient Response LT1086 Load Transient Response LT1086H Short-Circuit Current
60 0.3 1.2 40 0.2 CADJ = 0 1.0 20 C 0.1 ADJ = 1µF 0 0 0.8 –20 C –0.1 C ADJ = 0 DEVIATION (V) ADJ = 1µF OUTPUT VOLTAGE DEVIATION (mV) OUTPUT VOLTAGE –40 V –0.2 0.6 OUT = 10V CIN = 1µF TANTALUM IOUT = 0.2A –60 –0.3 COUT = 10µF TANTALUM CIN = 1µF TANTALUM 0.4 14 COUT = 10µF TANTALUM 1.5 VOUT = 10V VIN = 13V 13 1.0 PRELOAD = 100mA SHORT-CIRCUIT CURRENT (A) 0.2 12 0.5 GUARANTEED OUTPUT CURRENT 11 0 0 INPUT VOLTAGE DEVIATION (V) 0 100 200 LOAD CURRENT (A) 0 50 100 0 5 10 15 20 25 TIME (µs) TIME (µs) INPUT/OUTPUT DIFFERENTIAL (V) LT1086 • TPC13 LT1086 • TPC14 LT1086 • TPC15
LT1086H Ripple Rejection LT1086H Dropout Voltage LT1086H Load Regulation vs Current
2 0.10 100 INDICATES GUARANTEED TEST POINT ∆I = 0.5A 90 0.05 80 fR = 120Hz – 55°C ≤ TJ ≤ 150°C V 70 RIPPLE ≤ 3VP-P 0°C ≤ T 0 J ≤ 125°C 60 f 1 –0.05 R = 20kHz 50 VRIPPLE ≤ 0.5VP-P 40 TJ = – 55°C –0.10 T 30 J = 25°C RIPPLE REJECTION (dB) TJ = 150°C 20 V OUTPUT VOLTAGE DEVIATION (%) –0.15 OUT = 5V C 10 ADJ = 25µF C MINIMUM INPUT/OUTPUT DIFFERENTIAL (V) OUT = 25µF 0 –0.20 0 0 0.1 0.2 0.3 0.4 0.5 –50 –25 0 25 50 75 100 125 150 0 0.1 0.2 0.3 0.4 0.5 OUTPUT CURRENT (A) TEMPERATURE (°C) OUTPUT CURRENT (A) LT1086 • TPC16 LT1086 • TPC17 LT1086 • TPC18 sn1086 1086ffs 6