Datasheet LT1083, LT1084, LT1085 (Analog Devices) - 8

LT1083/LT1084/LT1085
Typical perForMance characTerisTics Minimum Operating Current Temperature Stability Adjust Pin Current
10 1.27 100 9 90 8 80 1.26 7 70 6 60 5 1.25 50 TJ = 150°C 4 40 TJ = 25°C 3 30 REFERENCE VOLTAGE (V) 1.24 2 ADJUST PIN CURRENT (µA) 20 MINIMUM OPERATING CURRENT (mA) 1 TJ = –55°C 10 0 1.23 0 0 5 10 15 20 25 30 35 –50 –25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 150 INPUT/OUTPUT DIFFERENTIAL (V) TEMPERATURE (°C) TEMPERATURE (°C) LT1083/4/5 ADJ G10 LT1083/4/5 ADJ G11 LT1083/4/5 ADJ G12
LT1083 LT1083 LT1083 Ripple Rejection Ripple Rejection vs Current Maximum Power Dissipation*
100 100 100 VRIPPLE ≤ 3VP-P VRIPPLE f 90 R = 120Hz ≤ 0.5VP-P 90 VRIPPLE ≤ 3VP-P 90 80 80 80 (VIN – VOUT) ≥ 3V 70 70 fR = 20kHz 70 VRIPPLE ≤ 0.5VP-P 60 60 LT1083MK 60 (VIN – VOUT) ≥ VDROPOUT 50 50 50 40 40 POWER (W) 40 30 30 LT1083CP RIPPLE REJECTION (dB) 30 RIPPLE REJECTION (dB) 20 CADJ = 200µF AT FREQUENCIES < 60Hz 20 VOUT = 5V 20 C C 10 ADJ = 25µF AT FREQUENCIES > 60Hz ADJ = 25µF I LT1083CK OUT = 7A 10 COUT = 25µF 10 0 0 0 10 100 1k 10k 100k 0 1 2 3 4 5 6 7 8 50 60 70 80 90 100 110 120 130 140 150 FREQUENCY (Hz) OUTPUT CURRENT (A) CASE TEMPERATURE (°C) 1083/4/5 ADJ G13 * AS LIMITED BY MAXIMUM JUNCTION TEMPERATURE 1083/4/5 ADJ G14 LT1083/4/5 ADJ G15
LT1084 LT1084 LT1084 Ripple Rejection Ripple Rejection vs Current Maximum Power Dissipation*
100 100 60 90 VRIPPLE ≤ 3VP-P VRIPPLE ≤ 0.5VP-P 90 fR = 120Hz VRIPPLE ≤ 3VP-P 80 50 80 (VIN – VOUT) ≥ 3V LT1084MK 70 70 fR = 20kHz V 40 60 RIPPLE ≤ 0.5VP-P 60 (VIN – VOUT) ≥ VDROPOUT 50 50 30 40 40 POWER (W) LT1084CT LT1084CP 30 20 30 RIPPLE REJECTION (dB) RIPPLE REJECTION (dB) 20 CADJ = 200µF AT FREQUENCIES < 60Hz 20 VOUT = 5V C C 10 LT1084CK 10 ADJ = 25µF AT FREQUENCIES > 60Hz ADJ = 25µF IOUT = 5A 10 COUT = 25µF 0 0 0 10 100 1k 10k 100k 0 1 2 3 4 5 50 60 70 80 90 100 110 120 130 140 150 FREQUENCY (Hz) OUTPUT CURRENT (A) CASE TEMPERATURE (°C) 1083/4/5 ADJ G16 * AS LIMITED BY MAXIMUM JUNCTION TEMPERATURE 1083/4/5 ADJ G17 LT1083/4/5 ADJ G18 108345fh 8 For more information www.linear.com/LT1083 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Block Diagram Applications Information Typical Application Package Description Revision History Typical Applications Related Parts