Datasheet LT3089 (Analog Devices) - 6

LT3089
TYPICAL PERFORMANCE CHARACTERISTICS TJ = 25°C unless otherwise specified. Linear Regulator Linear Regulator Linear Regulator Load Transient Load T Response ransient Response Load Transient Load T Response ransient Response Load Transient Load T Response ransient Response
100 300 200 V 50 IN = 3V 200 100 TAGE TAGE VOUT = 1V TAGE C 0 OUT = 2.2µF 100 0 TION (mV) TION (mV) CSET = 0.1µF TION (mV) V –50 0 IN = 3V –100 DEVIA DEVIA V OUTPUT VOL DEVIA OUTPUT VOL OUT = 1V OUTPUT VOL C –100 –100 OUT = 0 –200 CSET = 30pF VIN = 3V –200 VOUT = 1V COUT = 2.2µF 100 ∆ILOAD = 100mA TO 800mA 1.0 100 CSET = 0.1µF tr = tf = 1µs LOAD 0 0.5 LOAD LOAD 0 ∆ILOAD = 5mA TO 100mA ∆I CURRENT (mA) LOAD = 5mA TO 100mA CURRENT (mA) –100 CURRENT (mA) 0 –100 0 20 40 60 80 100 120 140 160 180 200 0 20 40 60 80 100 120 140 160 180 200 0 10 20 30 40 50 60 70 80 90 100 TIME (µs) TIME (µs) TIME (µs) 3089 G19 3089 G20 3089 G21
Linear Regulator Linear Regulator Current Source Load Transient Load T Response ransient Response Line Transient Line T Response ransient Response Line Transient Line T Response ransient Response
600 6 6 V R R IN = 3V SET = 20k SET = 6.04k 400 5 5 TAGE V R R OUT = 1V LOAD = 1.25Ω OUT = 3.01Ω C C C OUT = 0 OUT = 2.2µF OUT = 0 200 TAGE (V) 4 4 TION (mV) C INPUT C C SET = 30pF SET = 0.1µF TAGE (V) SET = 30pF INPUT VOL 0 3 VOL 3 OUTPUT VOL DEVIA –200 100mA CURRENT SOURCE CONFIGURATION ∆ILOAD = 100mA TO 800mA –400 20 105 TAGE 1.0 0 100 t TION (mV) r = tf = 1µs LOAD 0.5 –20 OUTPUT 95 DEVIA CURRENT (mA) CURRENT (mA) 0 OUTPUT VOL –40 90 0 10 20 30 40 50 60 70 80 90 100 0 5 10 15 20 25 30 35 40 45 50 0 10 20 30 40 50 60 70 80 90 100 TIME (µs) TIME (µs) TIME (µs) 3089 G22 3089 G23 3089 G24
Current Source Linear Regulator Linear Regulator Line Transient Response Turn T -On Response urn–On Response Turn T -On Response urn–On Response
6 4 4 RSET = 6.04k 5 R 3 OUT = 0.6Ω 3 COUT = 0 INPUT TAGE (V) 4 C 2 SET = 30pF TAGE (V) 2 VOL INPUT RSET = 20k INPUT TAGE (V) RSET = 20k 3 VOL RLOAD = 1.25Ω 1 R C LOAD = 1.25Ω VOL 1 500mA CURRENT SOURCE CONFIGURATION OUT = 2.2µF CERAMIC C C OUT = 2.2µF CERAMIC 520 SET = 0 0 CSET = 0.1µF 0 510 1.0 1.0 500 0.5 0.5 OUTPUT TAGE (V) TAGE (V) 490 CURRENT (mA) OUTPUT 0 OUTPUT VOL 0 VOL 480 –0.5 –0.5 0 10 20 30 40 50 60 70 80 90 100 0 5 10 15 20 25 30 35 40 45 50 0 2 4 6 8 10 12 14 16 18 20 TIME (µs) TIME (µs) TIME (ms) 3089 G25 3089 G26 3089 G27 3089f 6 For more information www.linear.com/LT3089 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Applications Information Typical Applications Package Description Revision History Typical Application Related Parts